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$287+ Cheap flights from Bilbao (BIO) 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — BOS
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Bilbao to Boston

Cheapest flights from Bilbao to Boston
Explore the most affordable flight options available from Bilbao to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/23. 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 9/1510:50 pm
BIO
-
BOS
1 stop28h 25m
Multiple Airlines
Sun 9/2711:50 pm
BOS
-
BIO
1 stop26h 25m
Multiple Airlines
Deal found 4/23$498
This Iberia deal was found by Cheapflights users on 4/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:05 pm
BIO
-
BOS
1 stop15h 00m
Iberia
Thu 9/2411:00 pm
BOS
-
BIO
1 stop17h 25m
Iberia
Deal found 4/23$501
This Iberia deal was found by Cheapflights users on 4/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 am
BIO
-
BOS
1 stop18h 20m
Iberia
Sun 9/2011:50 pm
BOS
-
BIO
1 stop9h 45m
Iberia
Deal found 4/21$503
This LEVEL deal was found by Cheapflights users on 4/21. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:10 pm
BIO
-
BOS
1 stop32h 05m
LEVEL
Sun 9/2011:50 pm
BOS
-
BIO
1 stop26h 25m
LEVEL
Deal found 4/21$508
This LEVEL deal was found by Cheapflights users on 4/20. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:30 pm
BIO
-
BOS
1 stop11h 35m
LEVEL
Tue 5/2610:50 pm
BOS
-
BIO
1 stop17h 35m
LEVEL
Deal found 4/20$511
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Sat 9/195:45 pm
BIO
-
BOS
1 stop34h 20m
Multiple Airlines
Sun 9/2711:50 pm
BOS
-
BIO
1 stop26h 25m
Multiple Airlines
Deal found 4/23$513
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:15 am
BIO
-
BOS
1 stop16h 35m
American Airlines
Mon 9/219:35 am
BOS
-
BIO
2 stops25h 20m
American Airlines
Deal found 4/23$521
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:15 am
BIO
-
BOS
1 stop16h 35m
American Airlines
Mon 9/286:30 am
BOS
-
BIO
2 stops28h 25m
American Airlines
Deal found 4/23$522
This Expedia deal was found by Cheapflights users on 4/24. 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.
Mon 6/81:30 pm
BIO
-
BOS
1 stop12h 15m
Iberia
Mon 6/159:20 pm
BOS
-
BIO
1 stop17h 30m
Iberia
Deal found 4/24$523
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:15 am
BIO
-
BOS
1 stop16h 35m
American Airlines
Mon 6/19:20 pm
BOS
-
BIO
1 stop13h 35m
American Airlines
Deal found 4/22$524
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:15 am
BIO
-
BOS
2 stops20h 33m
American Airlines
Mon 9/281:00 pm
BOS
-
BIO
2 stops13h 30m
American Airlines
Deal found 4/23$528

Find flight deals from Bilbao to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) 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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$498
(Kiwi.com)

One-way from

$287
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$562
Provider with most accurate pricing for Bilbao-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Boston Logan Intl flights.
Search Deals
From Bilbao to Boston Logan Intl
Search Deals
One-way flight from Bilbao to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao 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 April 24, 2026.
Use the filters below to find and compare flights from Bilbao to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 5/18

1:30 pm-11:52 pm

2 stops16h 22m

Boston Logan Intl

Mon 6/1

9:20 pm-4:55 pm

1 stop13h 35m

$529

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 5/21

8:20 am-4:33 pm

1 stop14h 13m

Boston Logan Intl

Thu 5/28

5:25 pm-3:55 pm

1 stop16h 30m

$641

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 6/1

8:20 am-4:30 pm

1 stop14h 10m

Boston Logan Intl

Mon 6/8

8:25 pm-10:45 pm

1 stop20h 20m

$658

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 5/21

12:00 pm-11:37 pm

2 stops17h 37m

Boston Logan Intl

Thu 5/28

4:35 pm-4:30 pm

1 stop17h 55m

$675

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 5/5

6:50 pm-8:20 pm

2 stops31h 30m

Boston Logan Intl

Sat 5/9

11:15 pm-11:40 am

2 stops30h 25m

$677
Quickest round-trip

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 8/4

8:20 am-4:31 pm

1 stop14h 11m

Boston Logan Intl

Mon 8/10

5:25 pm-11:55 am

1 stop12h 30m

$696

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Fri 5/22

12:00 pm-11:37 pm

2 stops17h 37m

Boston Logan Intl

Tue 5/26

12:55 pm-9:50 am

2 stops14h 55m

$699

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 6/27

8:20 am-4:30 pm

1 stop14h 10m

Boston Logan Intl

Mon 7/13

5:20 pm-11:55 am

1 stop12h 35m

$700

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sun 9/20

7:45 pm-2:45 pm

1 stop25h 00m

Boston Logan Intl

Fri 9/25

6:05 pm-5:35 pm

1 stop17h 30m

$722

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 9/19

2:00 pm-8:10 pm

1 stop12h 10m

Boston Logan Intl

Wed 9/23

10:00 pm-10:25 pm

1 stop18h 25m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Bilbao 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 Bilbao to Boston in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 Bilbao-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bilbao-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-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 Bilbao-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 Bilbao to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Bilbao 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 Bilbao to Boston

What is the cheapest month to book a flight from Bilbao to Boston?

Currently, February is the cheapest month in which you can book a flight from Bilbao to Boston (average of $473). Flying from Bilbao to Boston in July is currently the most expensive (average of $890). 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.

How much does it cost to fly round-trip from Bilbao to Boston?

Related info for your journey

Find useful and relevant information for your journey from Bilbao to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bilbao to Boston?

    Airlines like LEVEL and American Airlines fly from Bilbao to Boston in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 7h 10m. There are 3348 mi between Bilbao and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Bilbao to Boston that include hotel bookings?

    Yes. In addition to deals on Bilbao to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to Boston?

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

  • Can I find deals for business class flights from Bilbao to Boston?

    Yes. Cheapflights offers flight deals from Bilbao 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 Bilbao to Boston?

    Currently, February is the cheapest month in which you can book a flight from Bilbao to Boston (average of $473). Flying from Bilbao to Boston in July is currently the most expensive (average of $890). 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree

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Alternative routes for Bilbao to Boston

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