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Cheap flights from Barcelona-El Prat Airport to Boston from £183

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Barcelona-El Prat to Boston Logan Intl are usually found in January or March, booked 87 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 2 October 2025.

Round-trip from

£299

One-way from

£183

Popular in

August

Cheapest in

January

Average price

£331

Good round-trip deal

£326 or less

Good one-way deal

£289 or less
LEVEL
  • LEVEL
  • 20/11-4/12
  • Nonstop
  • 16h 00m total
  • Barcelona to Boston
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LEVEL
  • LEVEL
  • 12/2
  • Nonstop
  • 8h 45m total
  • Barcelona to Boston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Barcelona-El Prat to Boston Logan Intl.
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Price to beat on a one-way flight from Barcelona-El Prat to Boston Logan Intl.
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Find 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 2 October 2025.

Thu 20/1118:10BCN - BOS
Nonstop8h 45mLEVEL
Thu 4/1222:40BOS - BCN
Nonstop7h 15mLEVEL
Deal found 30/9£299
Thu 20/1118:10BCN - BOS
Nonstop8h 45mIberia
Thu 4/1222:40BOS - BCN
Nonstop7h 15mIberia
Deal found 30/9£308
Thu 20/1118:10BCN - BOS
Nonstop8h 45mIberia
Sat 6/1222:40BOS - BCN
Nonstop7h 15mIberia
Deal found 1/10£309
Fri 21/1110:55BCN - BOS
1 stop15h 15mTAP AIR PORTUGAL
Sun 30/1122:45BOS - BCN
1 stop12h 30mTAP AIR PORTUGAL
Deal found 30/9£320
Thu 20/1112:30BCN - BOS
1 stop13h 52mBritish Airways
Thu 4/1215:46BOS - BCN
2 stops18h 19mBritish Airways
Deal found 30/9£323
Thu 16/1009:20BCN - BOS
1 stop13h 10mMultiple Airlines
Sun 19/1022:20BOS - BCN
1 stop10h 30mMultiple Airlines
Deal found 1/10£324
Sat 11/1020:00BCN - BOS
1 stop21h 25mBritish Airways
Mon 27/1022:35BOS - BCN
1 stop16h 10mBritish Airways
Deal found 30/9£325
Tue 25/1106:50BCN - BOS
1 stop12h 35mUnited Airlines
Sat 29/1110:15BOS - BCN
1 stop17h 20mUnited Airlines
Deal found 30/9£326
Sun 12/1006:20BCN - BOS
1 stop16h 10mDelta
Sat 18/1018:05BOS - BCN
Nonstop7h 10mDelta
Deal found 1/10£327
Fri 21/1105:50BCN - BOS
2 stops15h 02mAir Canada
Sun 30/1110:15BOS - BCN
1 stop17h 20mAir Canada
Deal found 30/9£327

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 2 October 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Boston that are best for you.

Fly from

Barcelona-El Prat

Fly to

Boston

Route

Depart

Return

Price

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 20/11

18:10-20:55

Nonstop8h 45m

Boston Logan Intl

Thu 4/12

22:40-11:55

Nonstop7h 15m

£309

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 21/11

10:55-20:10

1 stop15h 15m

Boston Logan Intl

Sun 30/11

22:45-17:15

1 stop12h 30m

£320

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 20/11

12:30-20:22

1 stop13h 52m

Boston Logan Intl

Thu 4/12

15:46-16:05

2 stops18h 19m

£323

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 21/11

12:30-18:29

1 stop11h 59m

Boston Logan Intl

Sun 30/11

19:15-12:30

1 stop11h 15m

£324

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 11/12

12:30-20:22

1 stop13h 52m

Boston Logan Intl

Mon 15/12

19:15-13:40

1 stop12h 25m

£324

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sun 12/10

09:30-16:30

1 stop13h 00m

Boston Logan Intl

Sun 19/10

22:20-15:40

1 stop11h 20m

£324

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 23/10

10:45-21:07

1 stop16h 22m

Boston Logan Intl

Mon 10/11

19:17-16:05

2 stops14h 48m

£324

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sat 14/2

18:10-20:55

Nonstop8h 45m

£183

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sun 11/1

18:10-20:55

Nonstop8h 45m

£210

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Tue 16/12

18:10-20:55

Nonstop8h 45m

£215

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 19 results
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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?

Use this chart to determine the optimal time to book a return flight from Barcelona-El Prat to Boston. Price data was last updated on 26 September 2025.

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 87 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, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £10). Flying from Barcelona-El Prat Airport to Boston in July is currently the most expensive (average of £724). 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 2 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Barcelona-El Prat Airport to Boston by exploring options for tickets at midday.

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 3 flights from Barcelona-El Prat to Logan Intl per day from 0 different airlines.

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

    Airlines like Iberia, TAP AIR PORTUGAL, and British Airways fly from Barcelona-El Prat Airport to Boston in about 8h 45m. The time it takes to get you to your destination can typically vary by up to 6h 30m. Barcelona-El Prat Airport and Boston are separated by a distance of 3638 mi. This flight may include one or multiple stops.

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

    Consider KLM (81%), Air France (81%) or Delta (81%) when booking your flight. These represent the most reliable airlines when flying from Barcelona-El Prat Airport to Boston.

  • What are the cheapest flights from Barcelona-El Prat Airport to Boston?

    On average you can expect to pay £370 for a flight from Barcelona-El Prat Airport to Boston. The cheapest flight overall is £289 while the most popular route, (Barcelona-El Prat - Boston Logan Intl) is currently priced at £324.

  • 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, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £10). Flying from Barcelona-El Prat Airport to Boston in July is currently the most expensive (average of £724). 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
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Cambridge
Somerville
Quincy
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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.

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