Barcelona-El Prat

$264+ Cheap flights from Boston (BOS) to Barcelona-El Prat (BCN)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BCN
Apr 16 — Apr 231
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Find cheap flights from Boston to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Barcelona-El Prat are usually found in September or October, booked 29 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from Boston to Barcelona-El Prat

Cheapest flights from Boston to Barcelona-El Prat
Explore the most affordable flight options available from Boston to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:40 pm
BOS
-
BCN
1 stop14h 40m
TAP AIR PORTUGAL
Sun 5/106:00 am
BCN
-
BOS
1 stop20h 20m
TAP AIR PORTUGAL
Deal found 3/13$427
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:40 pm
BOS
-
BCN
1 stop17h 10m
TAP AIR PORTUGAL
Mon 5/411:25 am
BCN
-
BOS
1 stop14h 55m
TAP AIR PORTUGAL
Deal found 3/12$428
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:45 pm
BOS
-
BCN
1 stop17h 05m
TAP AIR PORTUGAL
Wed 5/133:00 pm
BCN
-
BOS
1 stop11h 20m
TAP AIR PORTUGAL
Deal found 3/13$429
This Mytrip deal was found by Cheapflights users on 3/16. 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.
Mon 4/2710:45 pm
BOS
-
BCN
1 stop20h 45m
TAP AIR PORTUGAL
Wed 5/610:40 pm
BCN
-
BOS
1 stop27h 40m
TAP AIR PORTUGAL
Deal found 3/16$431
This Mytrip deal was found by Cheapflights users on 3/16. 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.
Sun 3/2211:45 pm
BOS
-
BCN
1 stop19h 00m
TAP AIR PORTUGAL
Tue 3/318:20 pm
BCN
-
BOS
1 stop24h 25m
TAP AIR PORTUGAL
Deal found 3/16$432
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/2310:50 pm
BOS
-
BCN
Nonstop7h 20m
LEVEL
Fri 5/16:30 pm
BCN
-
BOS
Nonstop8h 35m
LEVEL
Deal found 3/12$434
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Tue 4/2810:45 pm
BOS
-
BCN
1 stop20h 45m
TAP AIR PORTUGAL
Tue 5/55:45 pm
BCN
-
BOS
1 stop27h 00m
TAP AIR PORTUGAL
Deal found 3/14$435
This FlightHub deal was found by Cheapflights users on 3/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:40 pm
BOS
-
BCN
1 stop18h 30m
Scandinavian Airlines
Sun 5/109:45 am
BCN
-
BOS
1 stop11h 50m
Scandinavian Airlines
Deal found 3/16$437
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Sat 5/210:50 pm
BOS
-
BCN
Nonstop7h 20m
Iberia
Fri 5/156:30 pm
BCN
-
BOS
Nonstop8h 35m
Iberia
Deal found 3/13$442
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Mon 4/275:40 pm
BOS
-
BCN
1 stop18h 30m
Scandinavian Airlines
Sun 5/39:45 am
BCN
-
BOS
1 stop11h 50m
Scandinavian Airlines
Deal found 3/16$445

Find flight deals from Boston to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Barcelona-El Prat (BCN). 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$427
(Super.com)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$547

Good round-trip deal

$587 or less

Good one-way deal

$303 or less
Provider with most accurate pricing for Boston Logan Intl-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Barcelona-El Prat flights.
From Boston Logan Intl to Barcelona-El Prat
One-way flight from Boston Logan Intl to Barcelona-El Prat
Highest demand for flights based on searches. 14% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Boston Logan Intl to Barcelona-El Prat.
Price to beat on a one-way flight from Boston Logan Intl to Barcelona-El Prat.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Barcelona-El Prat 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 March 17, 2026.
Use the filters below to find and compare flights from Boston to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 5/13

5:40 pm-7:00 pm

2 stops19h 20m

Barcelona-El Prat

Sun 5/17

9:45 am-3:35 pm

1 stop11h 50m

$613

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 4/27

9:50 pm-11:15 pm

1 stop19h 25m

Barcelona-El Prat

Thu 5/14

12:10 pm-7:55 pm

1 stop37h 45m

$626

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 4/13

10:45 pm-1:30 am

1 stop20h 45m

Barcelona-El Prat

Thu 4/16

3:00 pm-8:20 pm

1 stop11h 20m

$651

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Mon 4/20

10:30 pm-4:55 pm

2 stops12h 25m

Barcelona-El Prat

Sat 5/16

6:00 am-8:20 pm

2 stops20h 20m

$670

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Wed 8/12

11:15 pm-9:50 pm

2 stops16h 35m

Barcelona-El Prat

Tue 8/18

8:20 pm-8:20 pm

2 stops30h 00m

$695

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 8/11

3:00 pm-2:50 pm

2 stops17h 50m

Barcelona-El Prat

Fri 8/21

10:05 am-7:35 pm

1 stop15h 30m

$697

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Tue 8/11

5:10 pm-5:10 pm

1 stop18h 00m

Barcelona-El Prat

Thu 8/20

10:05 am-11:23 pm

2 stops19h 18m

$702
Quickest round-trip

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 8/14

7:35 pm-12:20 pm

1 stop10h 45m

Barcelona-El Prat

Tue 8/25

10:15 am-4:55 pm

1 stop12h 40m

$706

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Sun 8/9

8:00 am-12:50 pm

1 stop22h 50m

Barcelona-El Prat

Tue 8/25

3:15 pm-5:41 pm

Nonstop8h 26m

$778

BostonBarcelona

BOS - BCN

BOSBCN

Boston Logan Intl

Fri 4/10

5:05 pm-10:50 am

1 stop11h 45m

Barcelona-El Prat

Wed 4/15

6:20 am-1:40 pm

1 stop13h 20m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Boston to Barcelona-El Prat

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 Boston to Barcelona-El Prat in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*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 Boston-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Barcelona-El Prat Airport 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 Boston-Barcelona-El Prat Airport 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 Boston to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Boston 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 Boston to Barcelona-El Prat Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Barcelona-El Prat. Price data was last updated on March 13, 2026.

The best time to book flights from Boston to Barcelona-El Prat Airport is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Boston to Barcelona-El Prat Airport (average of $275). Flying from Boston to Barcelona-El Prat Airport in June is currently the most expensive (average of $415). 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 BOS to BCN?

Find hourly flight availability from Boston to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.

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

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

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.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated March 17, 2026.
Get a feel of what it's like to fly with Delta,Vueling, andIberia from Boston to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Barcelona-El Prat. 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 from for flights from Boston to Barcelona-El Prat?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Barcelona-El Prat. On average, Logan Intl has 1 outbound flight to Barcelona-El Prat per day from 21 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    There are many flights that can get you from Boston to Barcelona-El Prat Airport in 19h 20m. Fly via Scandinavian Airlines, Turkish Airlines, or TAP AIR PORTUGAL to get the fastest option. Boston and Barcelona-El Prat Airport are separated by a distance of 3638 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $230, Condor will fly you from Boston to Barcelona-El Prat Airport and back. In addition to Condor, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and LEVEL - these airlines can fly you to your destination from $272 and $275, respectively. You may be able to fly from Boston to Barcelona-El Prat Airport for 59% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Boston to Barcelona-El Prat Airport are Vueling ($129), LEVEL ($130), and Iberia ($150).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Barcelona-El Prat Airport on time: LEVEL (83%), American Airlines (79%), Qatar Airways (79%).

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

    Looking for the cheapest flight from Boston to Barcelona-El Prat Airport? While on average our users pay $1,291, our data indicates the cheapest price to be $208. The most popular route (Boston Logan Intl - Barcelona-El Prat), is priced around $432.

  • Where are the most common layover locations when flying from Boston to Barcelona-El Prat Airport?

  • What are some popular things to do or see while on a layover in Lisbon?

    Most Lisbon visitors opt to spend their time experiencing Chiado, Praça do Marquês de Pombal, and Londres. Those on a layover in Lisbon interested in visiting Chiado, Praça do Marquês de Pombal, or Londres can do so by traveling 4.5 mi, 3.6 mi, and 2.3 mi, respectively from Lisbon Humberto Delgado. Those looking to explore during their layover in Lisbon can rent a car from Lisbon Humberto Delgado for about $20 per day.

  • What are some popular points of interest to see during a layover in London?

    London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than any other notable places. Travelers on a layover in London can visit Hyde Park, Buckingham Palace, and Piccadilly Circus, by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively after landing at London Heathrow. Travelers can rent a car at London Heathrow for an average daily rate of $33 to make sightseeing during their layover a little easier.

  • What are points of interest worth seeing during a layover in Paris?

    The majority of Paris visitors spend their time at Eiffel Tower, Champs-Elysées, and Louvre Museum. Eiffel Tower, Champs-Elysées, and Louvre Museum can be visited by traveling about 15.8 mi, 14.7 mi, and 14.3 mi respectively from Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their layover can rent a car for about $36 per day.

  • Where are the least popular layover locations for Boston to Barcelona-El Prat Airport flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Barcelona-El Prat 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 Boston to Barcelona-El Prat Airport?

    Currently, September is the cheapest month in which you can book a flight from Boston to Barcelona-El Prat Airport (average of $275). Flying from Boston to Barcelona-El Prat Airport in June is currently the most expensive (average of $415). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Boston to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Boston to Barcelona-El Prat. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$230Average$590FlexibilityNo cancel feeOn-time76%
IcelandairCheapest$272Average$440FlexibilityNo cancel feeOn-time76%
LEVELCheapest$275Average$446FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$334Average$480FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$349Average$510FlexibilityNo cancel feeOn-time76%
LEVELCheapest$349Average$575FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$392Average$495FlexibilityNo cancel feeOn-time88%
SWISSCheapest$393Average$753FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$399Average$475FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$412Average$652FlexibilityNo cancel feeOn-timeN/A

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