Boston lisbon airfare

Get affordable fares from New York and Boston to Lisbon, Portugal from $247 R/T. Airfare Spot. Travel is affordable! Trending. ... Annual Fall Fare Sale via Alaska Airlines; fares from $49 one-way or 4.5k miles + t&f “Buy One Get One 50% promo code” via Southwest Airlines;

Boston lisbon airfare. Nonstop flight is 10h 55m. The time difference between Boston and Lisbon is 5h. The cheapest flight by JetBlue that our users were able to find is $239. This airfare is economy class on one-way B62579 flight for November 28, 2020 leaving Logan in Boston at 5:00 pm, it includes all taxes and additional fees.

Cheap flights from Boston (BOS) to Lisbon (LIS) from $252. From? To? Round-trip One-way. mar. 4/16. mar. 4/23. 1 adult, Economy. Find deals. We work with …

The best round-trip flight price to Lisbon from United States in the last 72 hours is $337 (Boston Logan Intl to Lisbon Humberto Delgado). The fastest flight to Lisbon from United States takes 9h 40m (Boston Logan Intl to Lisbon Humberto Delgado). There are 3 airlines operating flights to Lisbon, including Azores Airlines, Vueling and PLAY.The two airlines most popular with KAYAK users for flights from New York to Lisbon are Delta and United Airlines. With an average price for the route of $891 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $949 and an overall rating of 7.4.Find the best flight deals to Lisbon with TAP Air - Portugal's leading airline. ... Fare Type. Dates. Price. From New York/Newark (EWR) To Lisbon (LIS) Round-trip | Economy: 20/10/2024 - 29/10/2024: From. ... Boston - Lisbon; San Francisco - Lisbon; Washington, D.C. - Lisbon; Chicago - Lisbon; Book flights to LisbonSearch flights to Lisbon by cabin class. First Class. Business Class from $875/person. Prem Econ Class from $1,398/person. Economy Class from $299/person. Find cheap flights to Lisbon Humberto Delgado (LIS), Portugal from $196. Search and compare round-trip, one-way, or last-minute flights to Lisbon.Lowest pricing is based on our 3rd party pricing supplier and valid as of April 23rd, 2024. Looking for cruises from Lisbon to Boston? Find and plan your next cruise from Lisbon to Boston on ...from $28. Seville.$30 per passenger.Departing Mon, May 6, returning Mon, May 27.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Lisbon on Mon, May 6, arriving in Seville.Inbound direct flight with Ryanair departing from Seville on Mon, May 27, arriving in Lisbon.Price includes taxes and charges.From $30, …

Looking for cheap flights to Lisbon (LIS)? Book hundreds of Lisbon flights with confidence. ... Save money by comparing multiple airlines within our website and choosing the lowest fare. Close[x] Need help booking? Our agents are ready! Call us 24/7 at 1-646-738-4820. Hawaiian Airlines ... Flights from Boston to Lisbon As Portugal's capital, part of Lisbon’s charm is its ease of getting around and its mix of tradition and trend-setting culture. Go Beyond the Flight to this scenic city with a flight + hotel getaway. And, start exploring sooner with daily nonstop Delta® flights from New York (JFK), plus seasonal daily nonstop service from Boston beginning ... Cheap Flights from Boston to Ponta Delgada (BOS-PDL) Prices were available within the past 7 days and start at $246 for one-way flights and $509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Ponta Delgada with no change fee on ...In United States there are several airports with flights to Lisbon (8 in total). From Boston, you can fly non-stop with Delta (SkyTeam) or TAP ... For example, the possibility to fly with a different airline or alliance, or finding a cheaper airfare. In total there are two alternative airports to Lisbon (LIS) within a range of 125 miles (200 km ...In the last 3 days, Azores Airlines offered the best one-way deal for that route, at $225. KAYAK users also found Boston to Ponta Delgada round-trip flights on Azores Airlines from $730 and on United Airlines from $819.Prices for airfare for your summer vacation may be sky high this year after manufacturing delays for new Boeing aircraft are likely to decrease the amount of flights …

Sun, 20 Oct BOS - LIS with Fly Play. 1 stop. from £305. Boston. £331 per passenger.Departing Fri, 17 May, returning Sun, 26 May.Return flight with Fly Play.Outbound indirect flight with Fly Play, departs from Lisbon on Fri, 17 May, arriving in Boston Logan International.Inbound indirect flight with Fly Play, departs from Boston …American Airlines flights. Flights to Portugal. Flights to Lisbon. Find low-fare American Airlines flights to Lisbon. Enjoy our travel experience and great prices. Book the lowest fares on Lisbon flights today! Book cheap flights from Lisbon to Boston. Enjoy award winning service and inflight entertainment with Tap Air Portugal. ... Fare Type. Dates. Price. From Lisbon (LIS ... Find best airfare deals and cheap plane tickets from Boston, MA to London. Full information on one-way and round-trip BOS to LON flights, compare last minute flight offers. ... Boston — Lisbon. 1h 25m stop. 07:10 — 09:50 TP1338 TAP Portugal. Lisbon — London. 10h 30m . including layover. Find flight from $ 127. 18:20 — 12:40 ...The cheapest flights to Logan Intl. found within the past 7 days were $633 round trip and $1,096 one way. Prices and availability subject to change. Additional terms may apply. Sat, Apr 13 - Sun, Apr 21. LIS. Lisbon. BOS. Boston. $633.

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Flight deals from Boston to Lisbon. Looking for a cheap last-minute deal or the best return flight from Boston to Lisbon? Find the lowest prices on one-way and return tickets right …Portland, OR (PDX) Cheap flights to Lisbon airport starting at $599 Roundtrip. Compare the best deals and lowest prices to find your next flight to Lisbon (LIS) on Airfarewatchdog.Chicago (ORD) to. Lisbon (LIS) 04/30/24 - 05/07/24. from. $873*. Updated: 2 hours ago. Round trip. I. Economy.JOSEPH) to Lisbon (LIS) $1583. Airfares from Manchester (MANCHESTER MUNICIPAL) to Lisbon (LIS) $2350. Airfares from Cork (CORK) to Lisbon (LIS) $2544. Airfares from Burlington (BURLINGTON INTL) to Lisbon (LIS) $5149. View how prices vary over time for flights from Boston to Lisbon and get the best prices.Discover Portugal with flights to Lisbon and Porto. Visit Lisbon. ... Boston (BOS) to. Lisbon (LIS) 05/26/24 - 05/30/24. Roundtrip | Business. from. $ 2,989* ... fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may ...

Find your cheap flight to Lisbon with Air France from $636. Discover our selection of return flights at the best price to Lisbon LIS.The two airlines most popular with KAYAK users for flights from New York to Lisbon are Delta and United Airlines. With an average price for the route of $891 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $949 and an overall rating of 7.4.The best round-trip flight deal from Boston to Lisbon found on momondo in the last 72 hours is $462. The fastest flight from Boston to Lisbon takes 6h 20m. Direct flights go from Boston to Lisbon on Tuesday, …Skiplagged is an airfare search engine for cheap flights, showing hidden-city ticketing trips in addition to what sites like Expedia, KAYAK, and Travelocity show you. Save up to 80% on airfare today!The two airlines most popular with KAYAK users for flights from Boston to Seville are American Airlines and TAP AIR PORTUGAL. With an average price for the route of $909 and an overall rating of 7.3, American Airlines is the most popular choice. TAP AIR PORTUGAL is also a great choice for the route, with an average price of $762 and an …Which airlines provide the cheapest flights from Boston to Athens? In the last 72 hours, the cheapest one-way ticket from Boston to Athens found on KAYAK was with PLAY for $322. Scandinavian Airlines proposed a round-trip …There are 2 airlines that fly nonstop from Boston to Lisbon. They are Delta and TAP AIR PORTUGAL. The cheapest airline for this route is TAP AIR PORTUGAL, with the best one-way deal found costing $403. On average, the best prices for this route can be found at TAP AIR PORTUGAL.Book a Boston to Portugal flight and enjoy our premium cabins with speedy Wi-Fi. ... Boston (BOS) to. Lisbon (LIS) 05/01/24 - 05/08/24. from. $ 940* Viewed: 1 day ago. Roundtrip | Economy. Book Now. ... which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional ...Which airlines provide the cheapest flights from Istanbul to Lisbon? The cheapest return flight ticket from Istanbul to Lisbon found by KAYAK users in the last 72 hours was for $359 on Air Serbia, followed by Lufthansa ($428). One-way flight deals have also been found from as low as $141 on Wizz Air and from $161 on Wizz Air UK.Hong Kong to Lisbon 14-Jan to 20-Jan $521. Singapore to Lisbon 21-Jan to 6-Feb $782. Atlanta to Lisbon 27-Feb to 5-Mar $625. Madrid to Lisbon 13-Jan to 20-Jan $62. Barcelona, Spain to Lisbon 22-Feb to 26-Feb $84. Dubai to Lisbon 20-Jan to 29-Jan $551. Boston to Lisbon 12-Jan to 19-Jan $467.

Best offer found. Boston - Lisbon. from 10 of August to 5 of September. From. $ 728. FINAL PRICE Taxes, service fees and carrier charges included.

Return flights from Boston BOS to Lisbon LIS with Virgin Atlantic If you’re planning a round trip, booking return flights with Virgin Atlantic is usually the most cost-effective option. With airfares ranging from $771 to $771, it’s easy to find a flight that suits your budget.Boston - Milan. Boston - Copenhagen. Boston - Vienna. Boston - Budapest. Boston - Athens. Find the best flights and travel deals from Boston to Lisbon. We know your time is precious. With KLM you know you can make the most of it! Book JetBlue flights and vacation packages to 100+ destinations. Award-winning service, the most legroom in coach, free wi-fi, live TV, movies, snacks, and more. The two airlines most popular with KAYAK users for flights from Boston to Faro are KLM and United Airlines. With an average price for the route of $628 and an overall rating of 7.8, KLM is the most popular choice. United Airlines is also a great choice for the route, with an average price of $705 and an overall rating of 7.4.Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply. Find more Boston to Spain deals Take a look at the list of non stop flights and flights with layovers from Boston to Lisbon with the lowest price of $226. The fastest direct flight takes 6h 15m and the fastest connecting – 8h 15m. *Departure and arrival times - local. New York City to Faro, Portugal. $406. New York City to Amsterdam. $362. New York City to Dublin, Ireland. $303. Find flights from Boston (BOS) to Lisbon (LIS) $56+, FareCompare finds cheap flights, and sends email alerts.Flights to Lisbon. See flights from Lisbon. Miami - Lisbon Found 48 h 7 min From $ 614. Dallas - Lisbon Found 66 h 16 min From $ 618. San Francisco - Lisbon 83 h 16 min $ 647. New York - Lisbon 38 h 10 min $ 784. Los Angeles - Lisbon 12 h 2 min $ 786.

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Prices were available within the past 7 days and start at $217 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for flights deals to Lisbon ? Find cheap one-way or return flights from Boston (BOS) to Lisbon (LIS) starting at $217. Book now! Find info about flight duration, direct flights, and airports for your flight from Lisbon to Boston. The best one-way flight to Boston from Lisbon in the past 72 hours is $262. The best round-trip flight deal from Lisbon to Boston found on momondo in the last 72 hours is $452. The fastest flight from Lisbon to Boston takes 7h 25m.Nonstop flight is 10h 55m. The time difference between Boston and Lisbon is 5h. The cheapest flight by JetBlue that our users were able to find is $239. This airfare is economy class on one-way B62579 flight for November 28, 2020 leaving Logan in Boston at 5:00 pm, it includes all taxes and additional fees.Find cheap flights from Boston to Lisbon from C$ 595. Return. 1 adult. Economy. 0 bags. Fri 17/5. Fri 24/5. Search. Nonstop flights only. Search hundreds of travel sites at once …See Latest Fare. Seattle (SEA) to. Lisbon (LIS) 05/10/24 - 05/17/24. from. $891*. Updated: 2 hours ago. Round trip. New York City to Faro, Portugal. $406. New York City to Amsterdam. $362. New York City to Dublin, Ireland. $303. Find flights from Boston (BOS) to Lisbon (LIS) $56+, FareCompare finds cheap flights, and sends email alerts. Planning a trip to Lisbon? Find flight deals to Lisbon (LIS) with Air Canada, certified with a four-star ranking by Skytrax. ... Fare Type. Departure. Price. From Toronto (YYZ) To Lisbon (LIS) Round-trip / Economy: Mar 06, 2025 - Mar 23, 2025: ... From Boston (BOS) To Lisbon (LIS) Round-trip / Economy: Nov 22, 2024 - Dec 02, 2024: 140,000 pts ... Prices were available within the past 7 days and start at $265 for one-way flights and $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Lisbon? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ... ….

Feb 5, 2024 · Which airlines provide the cheapest flights from Boston to Lisbon? The cheapest return flight ticket from Boston to Lisbon found by KAYAK users in the last 72 hours was for £319 on PLAY, followed by United Airlines (£442). One-way flight deals have also been found from as low as £600 on Azores Airlines and from £714 on TAP AIR PORTUGAL. The cheapest flights to Logan Intl. found within the past 7 days were $633 round trip and $1,096 one way. Prices and availability subject to change. Additional terms may apply. Sat, Apr 13 - Sun, Apr 21. LIS. Lisbon. BOS. Boston. $633.Monsanto is built on, under, in and around giant boulders and is a dedicated living museum. Book flights to Lisbon with British Airways. Our Lisbon flights (LIS) include online 2x hand baggage, award winning service and more. Book today at ba.com.Airfares from $277 One Way, $353 Round Trip from Lisbon District to Boston. Prices starting at $353 for return flights and $277 for one-way flights to Boston were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Fri, Apr 26 - Sun, Apr 28. LIS. Lisbon.Flights from Boston to Lisbon from. Round-trip. expand_more. 1 Passenger, Economy. expand_more. From. Departure. Return. Home. Flights. To Portugal. Boston - Lisbon. …Nonstop flight is 10h 55m. The time difference between Boston and Lisbon is 5h. The cheapest flight by JetBlue that our users were able to find is $239. This airfare is economy class on one-way B62579 flight for November 28, 2020 leaving Logan in Boston at 5:00 pm, it includes all taxes and additional fees.Airfares from $277 One Way, $353 Round Trip from Lisbon District to Boston. Prices starting at $353 for return flights and $277 for one-way flights to Boston were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Fri, Apr 26 - Sun, Apr 28. LIS. Lisbon. Book cheap flights from Boston to Lisbon. Enjoy award winning service and inflight entertainment with Tap Air Portugal. ... Fare Type. Dates. Price. From Boston (BOS ... Which airlines provide the cheapest flights from Seville to Boston? The cheapest return flight ticket from Seville to Boston found by KAYAK users in the last 72 hours was for $454 on TAP AIR PORTUGAL, followed by American Airlines ($482). One-way flight deals have also been found from as low as $395 on Vueling and from $500 on TAP AIR PORTUGAL. Boston lisbon airfare, Our best fare finder can help you search for the best value to your holiday destination. The most inexpensive flight from Boston to Lisbon is available for 740 $ in October 2024. *Please note: To provide you with the widest possible selection of flight destinations, some of the direct flights or connecting flights on lufthansa.com are operated ... , Looking at taxi prices, a ride in Boston costs an average of 2.49 EUR euros, 33% cheaper than Lisbon, with a fare of 3.70 EUR euros, while train tickets cost 11% more in Boston: 2.21 EUR euros against 2.00 EUR euros in Lisbon. Comparing the price of a meal, they range from 22.10 EUR euros in Boston, 61% more than the 13.75 EUR euros in Lisbon., Flights from Boston to Lisbon. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Boston to Lisbon. Find the best flights fast, track..., Flights to Ponta Delgada, São Miguel. Find flights to São Miguel from $225. Fly from Boston on Azores Airlines, United Airlines, TAP AIR PORTUGAL and more. Search for São Miguel flights on KAYAK now to find the best deal., The two airlines most popular with KAYAK users for flights from Boston to Lisbon are Delta and United Airlines. With an average price for the route of $1,130 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $1,106 and an overall rating of 7.4., Planning a trip to Lisbon? Find flight deals to Lisbon (LIS) with Air Canada, certified with a four-star ranking by Skytrax. ... Fare Type. Departure. Price. From Toronto (YYZ) To Lisbon (LIS) Round-trip / Economy: Mar 06, 2025 - Mar 23, 2025: ... From Boston (BOS) To Lisbon (LIS) Round-trip / Economy: Nov 22, 2024 - Dec 02, 2024: 140,000 pts ..., Find flights to Lisbon from $249. Fly from Massachusetts on PLAY, Vueling, Iberia and more. Search for Lisbon flights on KAYAK now to find the best deal. , Compare flight deals to Lisbon from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Lisbon start from $200 one-way., Chicago (ORD) to. Lisbon (LIS) 04/30/24 - 05/07/24. from. $873*. Updated: 2 hours ago. Round trip. I. Economy., 2 days ago · Book Boston to Portugal flight deals*. Known for its great maritime explorers and Moorish architecture, Portugal’s Mediterranean climate and varied landscapes draw visitors from around the world. Book your flight to Portugal with Aer Lingus and experience Portugal’s deep heritage and culture for yourself. , Hong Kong to Lisbon 14-Jan to 20-Jan $521. Singapore to Lisbon 21-Jan to 6-Feb $782. Atlanta to Lisbon 27-Feb to 5-Mar $625. Madrid to Lisbon 13-Jan to 20-Jan $62. Barcelona, Spain to Lisbon 22-Feb to 26-Feb $84. Dubai to Lisbon 20-Jan to 29-Jan $551. Boston to Lisbon 12-Jan to 19-Jan $467., Flights to Lajes, Azores. $504. Flights to Pico Island, Azores. $482. Flights to Ponta Delgada, Azores. View more. Find flights to Azores from $225. Fly from Boston on TAP AIR PORTUGAL, Azores Airlines and more. Search for Azores flights on …, Find flights to Lisbon from C$ 740. Fly from Boston on PLAY, Azores Airlines, Scandinavian Airlines and more. Search for Lisbon flights on KAYAK now to find the best deal., Find cheap flights from Boston to Lisbon from C$ 595. Return. 1 adult. Economy. 0 bags. Fri 17/5. Fri 24/5. Search. Nonstop flights only. Search hundreds of travel sites at once …, Prices were available within the past 7 days and start at $265 for one-way flights and $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Lisbon? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ... , Which airlines provide the cheapest flights from Seville to Boston? The cheapest return flight ticket from Seville to Boston found by KAYAK users in the last 72 hours was for $454 on TAP AIR PORTUGAL, followed by American Airlines ($482). One-way flight deals have also been found from as low as $395 on Vueling and from $500 on TAP AIR PORTUGAL., We found fares leaving Boston at 8pm and arriving into Manhattan at midnight for just $19 (before taxes), but the trip was for November 29. Looking at November 15, the fare went up to $39 (which ..., Discover flights from Boston with Virgin Atlantic. With fares from $529, we offer a great choice of food, drinks and onboard entertainment & WiFi. ... Search latest fare. Boston (BOS) to. London (LON) 05/03/2024 - 05/08/2024. Starting from. $584* Seen: 9 hours ago. Round trip / Economy. Search latest fare. Boston (BOS) to. Delhi (DEL), My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule., Flights to Lisbon. See flights from Lisbon. Miami - Lisbon Found 48 h 7 min From $ 614. Dallas - Lisbon Found 66 h 16 min From $ 618. San Francisco - Lisbon 83 h 16 min $ 647. New York - Lisbon 38 h 10 min $ 784. Los Angeles - Lisbon 12 h 2 min $ 786., Mar 5, 2024 · Flights to Lisbon Airport (LIS) Compare Lisbon Airport flights across hundreds of providers. Find the cheapest month or even day of the year to fly. Book the best flight with no fees. Looking for a cheap last-minute deal or the best round-trip flight to Lisbon? Find the lowest prices on one-way and round-trip tickets right here. , Planning a trip to Lisbon? Find flight deals to Lisbon (LIS) with Air Canada, certified with a four-star ranking by Skytrax. ... Fare Type. Departure. Price. From Toronto (YYZ) To Lisbon (LIS) Round-trip / Economy: Mar 06, 2025 - Mar 23, 2025: ... From Boston (BOS) To Lisbon (LIS) Round-trip / Economy: Nov 22, 2024 - Dec 02, 2024: 140,000 pts ..., The best round-trip flight price to Lisbon from United States in the last 72 hours is $337 (Boston Logan Intl to Lisbon Humberto Delgado). The fastest flight to Lisbon from United States takes 9h 40m (Boston Logan Intl to Lisbon Humberto Delgado). There are 3 airlines operating flights to Lisbon, including Azores Airlines, Vueling and PLAY., Cheap Flights from Boston to Barcelona (BOS-BCN) Prices were available within the past 7 days and start at $230 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Boston to Barcelona with no change fee on selected flights., Find best airfare deals and cheap plane tickets from Boston, MA to London. Full information on one-way and round-trip BOS to LON flights, compare last minute flight offers. ... Boston — Lisbon. 1h 25m stop. 07:10 — 09:50 TP1338 TAP Portugal. Lisbon — London. 10h 30m . including layover. Find flight from $ 127. 18:20 — 12:40 ..., The best round-trip flight deal from Boston to Lisbon found on momondo in the last 72 hours is $462. The fastest flight from Boston to Lisbon takes 6h 20m. Direct flights go from Boston to Lisbon on Tuesday, …, $429 Cheap TAP Portugal flights Boston (BOS) to Lisbon (LIS) Prices were available within the past 7 days and start at $429 for one-way flights and $749 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. , Cheap Flights from Lisbon to Boston, MA from $ 75. One way Round trip. Enter city or airport. Enter city or airport. Depart. Return. Passengers. Passengers and flight class 1. Adults. 0. Children under 12. 0. Infants under 2 without place. Economy Business First done. Find flights. Return flight: Boston – Lisbon. Airline Tickets., Cheapest flights to Portugal from Boston. Boston to Lisbon from $354. Price found Apr 14, 2024, 8:53 AM. Boston to Ponta Delgada from $480. Price found Apr 15, 2024, 9:30 PM. Boston to Porto from $554., Find cheap flights from Massachusetts to Lisbon from $249. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search hundreds of …, Feb 5, 2024 · Which airlines provide the cheapest flights from Boston to Lisbon? The cheapest return flight ticket from Boston to Lisbon found by KAYAK users in the last 72 hours was for £319 on PLAY, followed by United Airlines (£442). One-way flight deals have also been found from as low as £600 on Azores Airlines and from £714 on TAP AIR PORTUGAL. , Prices were available within the past 7 days and start at $265 for one-way flights and $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Lisbon? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ... , The two airlines most popular with KAYAK users for flights from Boston to Barcelona are Delta and United Airlines. With an average price for the route of $861 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $807 and an overall rating of 7.4.