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$376+ Cheap flights from Barcelona-El Prat (BCN) to Boston (BOS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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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 Thursday or Wednesday and return on a Monday

Cheap flight deals from Barcelona-El Prat to Boston

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 July 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:30 pm
BCN
-
BOS
Nonstop8h 35m
LEVEL
Wed 9/1610:55 pm
BOS
-
BCN
Nonstop7h 05m
LEVEL
Deal found 7/9$376
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:15 am
BCN
-
BOS
2 stops18h 09m
United Airlines
Sat 10/177:38 am
BOS
-
BCN
2 stops18h 42m
United Airlines
Deal found 7/11$387
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:15 pm
BCN
-
BOS
1 stop27h 35m
United Airlines
Fri 10/27:38 am
BOS
-
BCN
2 stops18h 22m
United Airlines
Deal found 7/10$388
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:15 am
BCN
-
BOS
1 stop18h 44m
United Airlines
Fri 10/98:25 pm
BOS
-
BCN
2 stops29h 35m
United Airlines
Deal found 7/11$390
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:00 pm
BCN
-
BOS
2 stops17h 59m
United Airlines
Fri 10/27:38 am
BOS
-
BCN
2 stops18h 22m
United Airlines
Deal found 7/10$391
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:15 pm
BCN
-
BOS
2 stops29h 09m
United Airlines
Fri 10/165:50 am
BOS
-
BCN
1 stop20h 10m
United Airlines
Deal found 7/8$393
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:15 pm
BCN
-
BOS
2 stops32h 07m
United Airlines
Wed 9/2310:40 am
BOS
-
BCN
1 stop15h 20m
United Airlines
Deal found 7/10$394
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:15 pm
BCN
-
BOS
1 stop15h 11m
United Airlines
Sat 10/38:25 pm
BOS
-
BCN
2 stops29h 35m
United Airlines
Deal found 7/10$395
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:15 pm
BCN
-
BOS
2 stops26h 02m
United Airlines
Wed 9/1610:40 am
BOS
-
BCN
1 stop15h 20m
United Airlines
Deal found 7/10$397
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:10 pm
BCN
-
BOS
Nonstop8h 35m
LEVEL
Wed 9/3010:55 pm
BOS
-
BCN
Nonstop7h 05m
LEVEL
Deal found 7/9$399
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
BCN
-
BOS
1 stop19h 55m
United Airlines
Mon 11/28:05 pm
BOS
-
BCN
2 stops31h 30m
United Airlines
Deal found 7/11$401

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 July 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$676

Good round-trip deal

$438 or less

Good one-way deal

$482 or less
Provider with most accurate pricing for Barcelona-El Prat-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Barcelona-El Prat-Boston Logan Intl flights.
Search Deals
From Barcelona-El Prat to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Barcelona-El Prat to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Barcelona-El Prat to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 12, 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 round-trip

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 10/9

11:15 am-11:24 pm

2 stops18h 09m

Boston Logan Intl

Sat 10/17

7:38 am-8:20 am

2 stops18h 42m

$387

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 9/2

3:15 pm-8:17 am

2 stops23h 02m

Boston Logan Intl

Wed 9/9

2:28 pm-8:20 am

1 stop11h 52m

$387

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 10/9

12:15 pm-9:50 am

1 stop27h 35m

Boston Logan Intl

Tue 10/13

7:38 am-8:00 am

2 stops18h 22m

$388

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Fri 10/9

8:00 am-3:40 pm

1 stop13h 40m

Boston Logan Intl

Sun 10/18

3:48 pm-9:00 am

1 stop11h 12m

$508

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 9/30

10:15 am-8:10 pm

1 stop15h 55m

Boston Logan Intl

Sun 10/4

12:36 pm-9:00 am

1 stop14h 24m

$508

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sat 10/10

3:15 pm-5:45 pm

Nonstop8h 30m

Boston Logan Intl

Sun 10/18

7:20 pm-8:35 am

Nonstop7h 15m

$548

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sat 10/10

1:25 pm-6:30 pm

1 stop11h 05m

Boston Logan Intl

Sat 10/17

4:45 pm-10:15 am

1 stop11h 30m

$549

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Sun 8/30

11:15 am-11:59 pm

1 stop18h 44m

Boston Logan Intl

Sun 12/20

8:00 pm-9:35 am

2 stops31h 35m

$596

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 7/30

11:10 am-4:40 pm

1 stop11h 30m

Boston Logan Intl

Mon 8/3

7:25 pm-8:35 am

Nonstop7h 10m

$630
Quickest round-trip

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 8/6

3:15 pm-5:41 pm

Nonstop8h 26m

Boston Logan Intl

Mon 8/10

7:25 pm-8:35 am

Nonstop7h 10m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Barcelona-El Prat to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to Boston in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Barcelona-El Prat Airport to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $406). Flying from Barcelona-El Prat Airport to Boston in August is currently the most expensive (average of $711). 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 July 12, 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 to fly round-trip from Barcelona-El Prat Airport to Boston?

The best insider tips for Barcelona-El Prat Airport to Boston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Barcelona-El Prat Airport to Boston trip
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Duncan Madden

Duncan Madden

Expert on BCN

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated July 12, 2026.
Get a feel of what it's like to fly with Delta,JetBlue, andIberia from Barcelona-El Prat Airport to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,459 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
7.8
Good
8,459 reviews
Delta
7.8
Good
8,459 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
JetBlue
7.1
Good
3,012 reviews
Delta
7.8
Good
8,459 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Iberia
7.0
Good
3,253 reviews
Delta
7.8
Good
8,459 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.8

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Barcelona-El Prat. Booking flights from Barcelona-El Prat to Logan Intl (BOS) should be relatively easy as there are 5 daily inbound flights from Barcelona-El Prat from 8 different airlines.

  • 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 18h 09m. 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 are the cheapest airlines flying from Barcelona-El Prat Airport to Boston round-trip?

    LEVEL, at $245, was found to be the cheapest airline from Barcelona-El Prat Airport to Boston.Alternate airlines to your destination round-trip include Iberia and LEVEL. You may be able to fly from Barcelona-El Prat Airport to Boston for 55% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to Boston one-way?

    To fly one-way, consider booking your trip with LEVEL, which is currently one of the cheapest options available, starting at $150. LEVEL flights start at $161 while deals on Iberia start at $215 one-way.

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

    The top 3 most reliable airlines when flying from Barcelona-El Prat Airport to Boston are LEVEL (76%), American Airlines (76%) and Qatar Airways (76%).

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

    Looking for the cheapest flight from Barcelona-El Prat Airport to Boston? While on average our users pay $1,313, our data indicates the cheapest price to be $253. The most popular route (Barcelona-El Prat - Boston Logan Intl), is priced around $375.

  • 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 vacation 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 $406). Flying from Barcelona-El Prat Airport to Boston in August is currently the most expensive (average of $711). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Waltham
Cambridge
Concord
Brockton
Hampton Beach
Seekonk
Cranston
Warwick
Dedham
Peabody
Randolph
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Swansea
North Falmouth
Smithfield
Braintree

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Top 8 airlines flying from Barcelona-El Prat to Boston

Discover the top 8 airlines 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 2,558,603 searches. Data last updated July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$245Average$561FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$304Average$573FlexibilityNo cancel feeOn-time77%
LEVELCheapest$351Average$597FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$443Average$814FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$462Average$601FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$467Average$601FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$520Average$862FlexibilityNo cancel feeOn-time77%
KLMCheapest$533Average$673FlexibilityNo cancel feeOn-time75%

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