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Cheap flights from Barcelona-El Prat Airport to Boston from £282

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
8 Aug — 15 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Barcelona-El Prat to Boston Logan Intl are usually found in February or October, booked 57 days in advance, depart on a Monday or Thursday and return on a Monday

Cheap flight deals from Barcelona-El Prat to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Barcelona-El Prat to Boston
Explore the most affordable flight options available from Barcelona-El Prat to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 July 2026.

Thu 8/1018:30
BCN
-
BOS
Nonstop8h 35m
LEVEL
Wed 21/1022:55
BOS
-
BCN
Nonstop7h 05m
LEVEL
Deal found 6/7£282
Tue 1/915:15
BCN
-
BOS
2 stops24h 33m
United Airlines
Thu 10/910:38
BOS
-
BCN
2 stops15h 42m
United Airlines
Deal found 5/7£286
Fri 18/912:15
BCN
-
BOS
1 stop32h 26m
United Airlines
Sun 27/906:00
BOS
-
BCN
2 stops20h 00m
United Airlines
Deal found 4/7£286
Thu 1/1015:15
BCN
-
BOS
1 stop31h 06m
United Airlines
Fri 9/1020:25
BOS
-
BCN
2 stops29h 35m
United Airlines
Deal found 5/7£288
Wed 2/915:15
BCN
-
BOS
2 stops23h 02m
United Airlines
Wed 9/914:28
BOS
-
BCN
1 stop11h 52m
United Airlines
Deal found 9/7£290
Fri 2/1012:15
BCN
-
BOS
1 stop11h 52m
United Airlines
Sat 17/1007:38
BOS
-
BCN
2 stops18h 22m
United Airlines
Deal found 8/7£290
Wed 2/912:15
BCN
-
BOS
2 stops26h 02m
United Airlines
Wed 16/910:40
BOS
-
BCN
1 stop15h 20m
United Airlines
Deal found 6/7£293
Fri 2/1012:15
BCN
-
BOS
2 stops29h 09m
United Airlines
Fri 16/1005:50
BOS
-
BCN
1 stop20h 10m
United Airlines
Deal found 8/7£294
Tue 6/1015:15
BCN
-
BOS
1 stop14h 09m
United Airlines
Tue 20/1009:51
BOS
-
BCN
2 stops17h 29m
United Airlines
Deal found 7/7£295
Sun 4/1006:00
BCN
-
BOS
1 stop19h 55m
United Airlines
Sun 11/1007:38
BOS
-
BCN
2 stops18h 22m
United Airlines
Deal found 4/7£296
Fri 11/912:15
BCN
-
BOS
1 stop32h 26m
United Airlines
Sat 12/918:00
BOS
-
BCN
1 stop33h 00m
United Airlines
Deal found 8/7£297

Find flight deals from Barcelona-El Prat to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 July 2026.

Round-trip from

£282

Popular in

August

Cheapest in

February

Average price

£506
LEVEL
  • LEVEL
  • 8/10-21/10
  • Nonstop
  • 15h 40m total
  • Barcelona to Boston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Barcelona-El Prat to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 9/10

12:15-09:50

1 stop27h 35m

Boston Logan Intl

Tue 13/10

07:38-08:00

2 stops18h 22m

£290

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sat 7/11

09:55-20:22

2 stops16h 27m

Boston Logan Intl

Sat 14/11

19:00-14:05

2 stops13h 05m

£381

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 18/9

15:15-17:45

Nonstop8h 30m

Boston Logan Intl

Sat 26/9

21:45-15:35

1 stop11h 50m

£382

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Tue 6/10

15:15-17:45

Nonstop8h 30m

Boston Logan Intl

Tue 13/10

19:05-17:10

1 stop16h 05m

£382

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Tue 1/9

15:15-17:45

Nonstop8h 30m

Boston Logan Intl

Mon 7/9

19:20-08:35

Nonstop7h 15m

£385

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 1/10

15:15-17:45

Nonstop8h 30m

Boston Logan Intl

Thu 8/10

16:45-18:50

1 stop20h 05m

£387

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Tue 4/8

18:35-17:00

1 stop28h 25m

Boston Logan Intl

Wed 12/8

17:07-06:45

1 stop31h 38m

£467

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 30/7

11:10-16:40

1 stop11h 30m

Boston Logan Intl

Mon 3/8

19:25-08:35

Nonstop7h 10m

£471

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 29/7

11:10-16:40

1 stop11h 30m

Boston Logan Intl

Wed 5/8

19:25-08:35

Nonstop7h 10m

£471
Fastest return journey

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 24/7

15:15-17:41

Nonstop8h 26m

Boston Logan Intl

Wed 29/7

19:20-08:35

Nonstop7h 15m

£474

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Barcelona-El Prat to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Barcelona-El Prat with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Barcelona-El Prat Airport to Boston

How far ahead should I book a flight from Barcelona-El Prat Airport to Boston?

The price you pay for your flight from Barcelona-El Prat Airport to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 42 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to Boston?

Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £304). Flying from Barcelona-El Prat Airport to Boston in August is currently the most expensive (average of £535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BCN to BOS?

Find hourly flight availability from Barcelona-El Prat to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Barcelona-El Prat Airport to Boston as you normally would.

How much does it cost for a return flight from Barcelona-El Prat Airport to Boston?

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Barcelona-El Prat?

    If you book a flight to Boston from Barcelona-El Prat, you will be flying to Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 5 flights from Barcelona-El Prat to Logan Intl per day from 1 airline.

  • How long is the flight from Barcelona-El Prat Airport to Boston?

    Airlines like United Airlines fly from Barcelona-El Prat Airport to Boston in about 22h 34m. The time it takes to get you to your destination can typically vary by up to . Barcelona-El Prat Airport and Boston are separated by a distance of 3638 mi.

  • What is the cheapest airline to fly from Barcelona-El Prat Airport to Boston round-trip?

    Currently priced at £181, LEVEL will fly you from Barcelona-El Prat Airport to Boston and back. In addition to LEVEL, many other airlines offer competitively priced options for your trip. LEVEL is priced at 55% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Barcelona-El Prat Airport to Boston?

    Consider LEVEL (76%), American Airlines (76%) or Qatar Airways (76%) when booking your flight. These represent the most reliable airlines when flying from Barcelona-El Prat Airport to Boston.

  • Can I find deals for flights from Barcelona-El Prat to Boston that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to Boston.

  • Can I find deals for business class flights from Barcelona-El Prat to Boston?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Barcelona-El Prat Airport to Boston?

    Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £304). Flying from Barcelona-El Prat Airport to Boston in August is currently the most expensive (average of £535). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
North Truro
Waltham
Warwick
Cambridge
Peabody
Wellfleet
Revere
Somerville
Quincy
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Barcelona-El Prat to Boston

Discover the top airline that operate flights from Barcelona-El Prat to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest£181Average£398FlexibilityNo cancel feeOn-timeN/A
Search LEVEL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Barcelona-El Prat to Boston?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Barcelona-El Prat to Boston. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to Boston?

Cheapflights helps you find that perfect flight to Boston from Barcelona-El Prat by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Barcelona-El Prat to Boston with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Barcelona-El Prat to Boston, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Barcelona-El Prat to Boston become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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