$407+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOS
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Barcelona-El Prat to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Barcelona-El Prat to Boston Logan Intl are usually found in February or March, booked 57 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from Barcelona-El Prat to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Barcelona-El Prat to BostonExplore 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 October 25, 2026.
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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/196:50 am -
2 stops16h 37m
Fri 12/46:00 am -
2 stops21h 00m
Deal found 10/25![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/196:50 am -
2 stops21h 09m
Wed 12/26:00 am -
2 stops21h 00m
Deal found 10/20![United Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/121:35 pm -
1 stop11h 27m
Thu 11/266:00 am -
2 stops21h 00m
Deal found 10/25![United Airlines logo]()
$452
This Ticket deal was found by Cheapflights users on 10/21. 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.
Wed 11/186:50 am -
1 stop12h 55m
Tue 12/19:50 pm -
1 stop10h 15m
Deal found 10/21![Multiple Airlines logo]()
$483
This eDestinos deal was found by Cheapflights users on 10/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:35 pm -
1 stop10h 50m
Mon 11/308:00 pm -
1 stop12h 20m
Deal found 10/20![Iberia logo]()
$484
This Ticket deal was found by Cheapflights users on 10/21. 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.
Fri 11/206:20 am -
1 stop20h 00m
Sun 11/292:40 pm -
1 stop12h 20m
Deal found 10/21![Multiple Airlines logo]()
$490
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:30 pm -
1 stop13h 10m
Thu 12/106:35 pm -
1 stop10h 50m
Deal found 10/24![British Airways logo]()
$499
This eDestinos deal was found by Cheapflights users on 10/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:35 am -
1 stop19h 05m
Tue 11/247:30 am -
1 stop21h 10m
Deal found 10/20![British Airways logo]()
$500
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Thu 11/196:20 am -
1 stop20h 00m
Fri 12/49:50 pm -
1 stop19h 10m
Deal found 10/25![SWISS logo]()
$501
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
1 stop13h 45m
Wed 12/96:35 pm -
1 stop10h 45m
Deal found 10/24![British Airways logo]()
$502
Best flights from Barcelona-El Prat to BostonDiscover carefully curated flight deals from Barcelona-El Prat to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Barcelona-El Prat to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. 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 1/811:00 am -
2 stops18h 59m
Sun 1/108:50 am -
2 stops18h 45m
Deal found 10/22![United Airlines logo]()
$503
This British Airways deal was found by Cheapflights users on 10/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:00 pm -
1 stop15h 37m
Thu 11/129:25 pm -
1 stop11h 15m
Deal found 10/25![British Airways logo]()
$546
This Lufthansa deal was found by Cheapflights users on 10/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 am -
1 stop20h 00m
Sat 11/282:40 pm -
1 stop12h 20m
Deal found 10/24![Multiple Airlines logo]()
$550
This Kissandfly.com deal was found by Cheapflights users on 10/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2010:55 am -
2 stops15h 35m
Sat 1/910:10 pm -
1 stop13h 05m
Deal found 10/24![TAP AIR PORTUGAL logo]()
$583
This lol.travel deal was found by Cheapflights users on 10/24. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:50 am -
2 stops17h 08m
Sun 11/2911:15 am -
2 stops16h 20m
Deal found 10/24![Air Canada logo]()
$595
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/76:50 am -
1 stop12h 55m
Sun 12/136:00 am -
1 stop20h 20m
Deal found 10/20![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 4/116:40 am -
1 stop15h 00m
Sun 4/258:05 pm -
1 stop12h 50m
Deal found 10/21![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/266:20 am -
1 stop20h 00m
Tue 1/199:30 am -
2 stops16h 50m
Deal found 10/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/266:20 am -
1 stop20h 00m
Mon 1/189:30 am -
2 stops16h 50m
Deal found 10/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/256:20 am -
1 stop20h 00m
Fri 1/229:30 am -
2 stops16h 50m
Deal found 10/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/21. 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 3/1910:30 am -
2 stops17h 54m
Sat 3/277:15 am -
2 stops20h 05m
Deal found 10/21![United Airlines logo]()
$615
Last-minute flights from Barcelona-El Prat to BostonDiscover last-minute flight deals from Barcelona-El Prat to Boston. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Barcelona-El Prat to Boston. Data last updated October 25, 2026 and is based on user searches.
This Ticket deal was found by Cheapflights users on 10/22. 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.
Fri 10/303:30 pm -
1 stop12h 20m
Wed 11/49:30 pm -
1 stop13h 05m
Deal found 10/22![British Airways logo]()
$553
This British Airways deal was found by Cheapflights users on 10/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:30 pm -
1 stop12h 20m
Mon 12/73:50 pm -
2 stops13h 35m
Deal found 10/21![British Airways logo]()
$573
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:30 pm -
1 stop13h 10m
Thu 12/106:35 pm -
1 stop10h 50m
Deal found 10/24![British Airways logo]()
$499
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
1 stop13h 45m
Wed 12/96:35 pm -
1 stop10h 45m
Deal found 10/24![British Airways logo]()
$502
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
1 stop13h 45m
Sat 12/129:30 pm -
1 stop13h 50m
Deal found 10/24![British Airways logo]()
$515
This deal was found by Cheapflights users on 10/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm -
1 stop13h 05m
Sun 12/66:45 pm -
1 stop11h 55m
Deal found 10/24![British Airways logo]()
$517
This British Airways deal was found by Cheapflights users on 10/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:00 pm -
1 stop14h 08m
Tue 12/159:30 pm -
1 stop10h 15m
Deal found 10/22![British Airways logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 11/311:00 am -
1 stop26h 43m
Sun 11/87:05 pm -
2 stops31h 55m
Deal found 10/24![United Airlines logo]()
$560
This Expedia deal was found by Cheapflights users on 10/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:30 pm -
1 stop11h 10m
Sun 11/88:50 pm -
1 stop30h 20m
Deal found 10/24![Iberia logo]()
$561
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 11/36:20 am -
2 stops18h 14m
Tue 12/156:00 am -
2 stops21h 35m
Deal found 10/22![United Airlines logo]()
$579
One-way flights from Barcelona-El Prat to BostonSearch for one-way flight options from Barcelona-El Prat to Boston. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Barcelona-El Prat to Boston. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/216:45 am -
2 stops19h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![TAP AIR PORTUGAL logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Tue 11/179:55 pm -
3 stops52h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/85:55 am -
2 stops19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 1/1811:30 am -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Aer Lingus logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/212:35 pm -
2 stops37h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$411
This FlightHub deal was found by Cheapflights users on 10/22. 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.
Tue 11/310:55 am -
2 stops15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Tue 11/1010:55 am -
2 stops15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/259:25 pm -
3 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$415
This Avianca deal was found by Cheapflights users on 10/23. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/221:40 pm -
1 stop22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Avianca logo]()
$416
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $431 (United Airlines) |
One-way from | $407 (Cheapflightsfares) |
Popular in | September |
Cheapest in | February |
Average price | $566 |
Good round-trip deal | $765 or less |
Good one-way deal | $573 or less |
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 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Tue 11/10
10:55 am-8:30 pm
2 stops15h 35m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$417
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Mon 1/18
9:25 pm-7:15 pm
3 stops27h 50m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$417
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Mon 3/22
6:05 pm-9:30 pm
2 stops32h 25m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$418
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Mon 1/11
9:10 pm-8:30 pm
2 stops29h 20m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$418
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Sat 1/9
2:35 pm-8:30 pm
2 stops35h 55m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$418
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Wed 2/3
6:00 am-6:27 pm
2 stops18h 27m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$420
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Sun 1/10
6:20 pm-7:40 pm
1 stop31h 20m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$423
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Fri 3/19
6:05 pm-9:30 pm
2 stops56h 25m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$426
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Thu 1/21
6:00 am-2:23 pm
1 stop14h 23m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$434
Quickest round-trip
BarcelonaBoston
BCN Barcelona-El Prat - BOS Boston Logan Intl
BCNBOS
Barcelona-El Prat
Fri 1/8
12:40 pm-7:40 pm
1 stop13h 00m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$438
Showing 1-10 of 21 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- 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.
BCN-BOS
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
Prices
Delays
How far ahead should I book a flight from Barcelona-El Prat Airport to Boston?
Booking 56 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 $419). Flying from Barcelona-El Prat Airport to Boston in September is currently the most expensive (average of $671). 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 October 25, 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 often are flights from Barcelona to Boston delayed?
About 14% of weekly flights between Barcelona and Boston have experienced delays in the past year, with the average delay time being 137 minutes.
What is the most punctual flight time for Barcelona to Boston flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Barcelona to Boston flights?
Over the last year, LEVEL have had the lowest number of delays on this route, with just 9% of flights being delayed.
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
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 October 25, 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.
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Overall
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
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.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
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Barcelona-El Prat and Boston flights
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Top 10 airlines flying from Barcelona-El Prat to Boston
Discover the top 10 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$245 | Average$543 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$415 | Average$674 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$444 | Average$626 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$448 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$467 | Average$593 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$610 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$513 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$513 | Average$765 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$599 | Average$697 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$616 | Average$673 | FlexibilityNo cancel fee | On-time75% |