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$234+ Cheap flights from Barcelona-El Prat (BCN) to Boston (BOS)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Barcelona-El Prat to Boston Logan Intl are usually found in January or March, booked 87 days in advance, depart on a Thursday or Saturday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$382
(United Airlines)

One-way from

$234
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$465

Good round-trip deal

$497 or less

Good one-way deal

$298 or less
From Barcelona-El Prat to Boston Logan Intl
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One-way flight from Barcelona-El Prat to Boston Logan Intl
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Highest demand for flights based on searches. 12% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 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

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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/166:00 amBCN - BOS
1 stop19h 55mUnited Airlines
Thu 10/309:15 amBOS - BCN
2 stops18h 20mUnited Airlines
Deal found 9/11$382
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:30 pmBCN - BOS
Nonstop8h 45mIberia
Mon 11/1010:40 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/10$392
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/1712:00 pmBCN - BOS
1 stop11h 40mUnited Airlines
Fri 10/248:00 amBOS - BCN
2 stops17h 50mUnited Airlines
Deal found 9/9$398
This Iberia deal was found by Cheapflights users on 9/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:15 amBCN - BOS
1 stop11h 45mIberia
Mon 10/611:00 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/9$405
This Iberia deal was found by Cheapflights users on 9/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:45 amBCN - BOS
1 stop11h 15mIberia
Tue 10/1411:00 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/9$406
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:45 pmBCN - BOS
1 stop33h 05mIcelandair
Wed 10/2211:35 pmBOS - BCN
1 stop33h 10mIcelandair
Deal found 9/9$411
This Iberia deal was found by Cheapflights users on 9/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:50 pmBCN - BOS
1 stop15h 29mIberia
Mon 10/2711:40 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/10$413
This Iberia deal was found by Cheapflights users on 9/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:15 pmBCN - BOS
1 stop24h 00mIberia
Mon 11/1710:40 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/11$415
This Iberia deal was found by Cheapflights users on 9/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:50 pmBCN - BOS
1 stop15h 29mIberia
Sat 11/1510:40 pmBOS - BCN
Nonstop7h 15mIberia
Deal found 9/9$416
This Ticket deal was found by Cheapflights users on 9/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:00 pmBCN - BOS
1 stop11h 55mMultiple Airlines
Mon 11/176:30 pmBOS - BCN
1 stop13h 30mMultiple Airlines
Deal found 9/9$417

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 September 11, 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

Tue 10/14

6:30 pm-9:15 pm

Nonstop8h 45m

Boston Logan Intl

Fri 10/24

11:00 pm-12:15 pm

Nonstop7h 15m

$435

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Mon 10/20

6:30 pm-9:15 pm

Nonstop8h 45m

Boston Logan Intl

Fri 10/24

11:00 pm-12:15 pm

Nonstop7h 15m

$435

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 11/27

6:00 am-1:20 pm

1 stop13h 20m

Boston Logan Intl

Tue 12/2

1:20 pm-11:10 am

2 stops15h 50m

$436

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 11/27

6:00 am-1:20 pm

1 stop13h 20m

Boston Logan Intl

Tue 12/2

6:30 pm-11:10 am

1 stop10h 40m

$436

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 10/9

9:20 am-4:30 pm

1 stop13h 10m

Boston Logan Intl

Thu 10/16

5:20 pm-9:00 am

1 stop9h 40m

$436

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 10/9

6:20 am-4:30 pm

1 stop16h 10m

Boston Logan Intl

Sun 10/12

5:20 pm-2:50 pm

1 stop15h 30m

$436

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Thu 11/27

7:55 pm-1:20 pm

1 stop23h 25m

Boston Logan Intl

Mon 12/1

8:25 pm-2:00 pm

1 stop11h 35m

$437

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Mon 11/24

11:10 am-6:55 pm

1 stop13h 45m

Boston Logan Intl

Sun 11/30

8:25 pm-2:00 pm

1 stop11h 35m

$437

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 10/8

9:30 am-12:00 pm

Nonstop8h 30m

Boston Logan Intl

Sun 10/12

7:25 pm-2:50 pm

1 stop13h 25m

$437

BarcelonaBoston

BCN - BOS

BCNBOS

Barcelona-El Prat

Wed 11/26

6:00 am-1:20 pm

1 stop13h 20m

Boston Logan Intl

Tue 12/2

8:25 pm-2:00 pm

1 stop11h 35m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
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The best insider tips for Barcelona-El Prat Airport to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Barcelona-El Prat Airport to Boston trip
Airports
BCN

For Non-Schengen flights, arrive three hours early at BCN. Security queues are well-managed but expect delays during peak times.

Read more about BCNby Duncan Madden
BOS

Use the FlyLogan App for real-time flight updates and pre-order food at BOS. It enhances your arrival experience with premium Wi-Fi and interactive maps.

Read more about BOSby Paul Rubio
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

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 Madden

Duncan Madden

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Barcelona-El Prat to Boston. Price data was last updated on August 29, 2025.

Booking 87 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, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of $218). Flying from Barcelona-El Prat Airport to Boston in July is currently the most expensive (average of $311). 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 September 11, 2025.

One of the essential ways to save on airfare from Barcelona-El Prat Airport to Boston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 44% on airfare.

What is the cheapest day to fly from Barcelona-El Prat Airport to Boston?

Use this chart to determine the cheapest time to fly round-trip from Barcelona-El Prat to Boston. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Barcelona-El Prat Airport to Boston flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Get a feel of what it's like to fly with Delta, Vueling, and TAP AIR PORTUGAL 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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Vueling
7.1
Good
1,185 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 2 daily inbound flights from Barcelona-El Prat from 9 different airlines.

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

    Airlines like Iberia and Delta 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 4h 35m. Barcelona-El Prat Airport and Boston are separated by a distance of 3638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Barcelona-El Prat Airport to Boston round-trip?

    Vueling, at $259, was found to be the cheapest airline from Barcelona-El Prat Airport to Boston.Alternate airlines to your destination round-trip include LEVEL and Iberia. You may be able to fly from Barcelona-El Prat Airport to Boston for 47% less than the average price by searching for these airlines.

  • 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 American Airlines (100%), Finnair (100%) and KLM (85%).

  • 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 $1,068, our data indicates the cheapest price to be $194. The most popular route (Barcelona-El Prat - Boston Logan Intl), is priced around $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 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, January is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boston (average of $218). Flying from Barcelona-El Prat Airport to Boston in July is currently the most expensive (average of $311). 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
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Chelsea
Warwick
Peabody
Quincy
York Beach
Swansea
Waltham
Saugus
Burlington

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Alternative routes for Barcelona-El Prat to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Costa Brava to Boston flights
Reus to Boston flights

Top 9 airlines flying from Barcelona-El Prat to Boston

Discover the top 9 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$259Average$556FlexibilityNo cancel feeOn-time88%
LEVELCheapest$293Average$536FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$299Average$586FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$308Average$487FlexibilityNo cancel feeOn-time69%
TAP AIR PORTUGALCheapest$355Average$590FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$356Average$739FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$358Average$658FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$362Average$709FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$400Average$1,092FlexibilityNo cancel feeOn-timeN/A

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