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Cheap flights from Barcelona-El Prat Airport to Boston from £186

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
17 Dec — 24 Dec1
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 January, booked 54 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 17 November 2025.

Round-trip from

£325

One-way from

£186

Popular in

December

Cheapest in

February

Average price

£352
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 12/2-19/2
  • 2 total stops
  • 32h 50m total
  • Barcelona to Boston
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LEVEL
  • LEVEL
  • 15/1
  • Nonstop
  • 8h 45m total
  • Barcelona to Boston
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High demand for flights, 1% potential price rise
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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 November 2025
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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 17 November 2025.

Mon 24/1113:00BCN - BOS
1 stop11h 55mDelta
Sun 30/1118:30BOS - BCN
1 stop13h 30mDelta
Deal found 17/11£329
Sat 6/1209:55BCN - BOS
1 stop12h 25mDelta
Thu 11/1209:59BOS - BCN
1 stop16h 01mDelta
Deal found 17/11£337
Mon 8/1212:30BCN - BOS
1 stop13h 52mBritish Airways
Tue 24/216:20BOS - BCN
2 stops16h 25mBritish Airways
Deal found 15/11£353
Mon 24/1111:10BCN - BOS
1 stop13h 45mMultiple Airlines
Sun 30/1120:25BOS - BCN
1 stop12h 35mMultiple Airlines
Deal found 17/11£354
Wed 3/1211:10BCN - BOS
1 stop13h 45mDelta
Sun 7/1220:25BOS - BCN
1 stop11h 35mDelta
Deal found 17/11£354
Thu 27/1106:00BCN - BOS
1 stop13h 20mDelta
Wed 3/1206:05BOS - BCN
1 stop19h 55mDelta
Deal found 15/11£357
Sat 22/1106:00BCN - BOS
2 stops18h 55mDelta
Sun 30/1118:30BOS - BCN
1 stop16h 35mDelta
Deal found 15/11£358
Mon 24/1106:00BCN - BOS
2 stops20h 00mDelta
Mon 1/1218:30BOS - BCN
1 stop10h 40mDelta
Deal found 17/11£360
Thu 4/1211:10BCN - BOS
2 stops18h 45mDelta
Fri 6/213:25BOS - BCN
2 stops15h 45mDelta
Deal found 15/11£360
Thu 11/1206:00BCN - BOS
2 stops22h 26mDelta
Mon 15/1206:05BOS - BCN
1 stop19h 55mDelta
Deal found 15/11£361

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 17 November 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 12/2

06:45-14:35

1 stop13h 50m

Boston Logan Intl

Thu 19/2

22:45-23:45

1 stop19h 00m

£325

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sat 18/4

09:15-16:30

1 stop13h 15m

Boston Logan Intl

Sat 25/4

17:20-09:00

1 stop9h 40m

£353

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Tue 12/5

12:50-18:52

1 stop12h 02m

Boston Logan Intl

Wed 27/5

19:30-12:05

1 stop10h 35m

£353

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Mon 2/2

12:30-20:30

1 stop14h 00m

Boston Logan Intl

Mon 9/2

19:34-19:45

2 stops18h 11m

£354

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 12/2

06:00-13:25

1 stop13h 25m

Boston Logan Intl

Thu 19/2

20:55-17:05

2 stops14h 10m

£354

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 4/3

06:00-22:21

2 stops22h 21m

Boston Logan Intl

Sun 8/3

19:30-14:00

1 stop13h 30m

£358

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 26/3

11:15-22:59

2 stops16h 44m

Boston Logan Intl

Mon 6/4

19:30-12:05

1 stop10h 35m

£358

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 15/1

13:00-07:33

2 stops24h 33m

Boston Logan Intl

Thu 22/1

13:00-11:10

2 stops16h 10m

£358

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 4/12

06:00-20:00

2 stops20h 00m

Boston Logan Intl

Thu 11/12

09:59-08:00

1 stop16h 01m

£363

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 16/1

12:30-20:30

1 stop14h 00m

Boston Logan Intl

Mon 19/1

21:35-13:40

1 stop10h 05m

£366

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 18 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 14 November 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 54 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, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £184). Flying from Barcelona-El Prat Airport to Boston in June is currently the most expensive (average of £317). 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 17 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 61% on flights from Barcelona-El Prat Airport to Boston by exploring options for tickets at midday.

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 is 1 flight 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 TAP AIR PORTUGAL, Delta, and British Airways fly from Barcelona-El Prat Airport to Boston in about 12h 25m. The time it takes to get you to your destination can typically vary by up to 4h 19m. 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 Vueling (87%), KLM (82%) or Air France (82%) 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, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of £184). Flying from Barcelona-El Prat Airport to Boston in June is currently the most expensive (average of £317). 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
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

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

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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.

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

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