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$360+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — BOS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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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 July 28, 2026.

This Iberia deal was found by Cheapflights users on 7/26. 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 9/37:10 am
BIO
-
BOS
1 stop19h 55m
Iberia
Wed 9/169:05 pm
BOS
-
BIO
1 stop14h 45m
Iberia
Deal found 7/26$488
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/109:15 am
BIO
-
BOS
1 stop12h 55m
American Airlines
Wed 9/239:05 pm
BOS
-
BIO
1 stop13h 50m
American Airlines
Deal found 7/27$491
This Iberia deal was found by Cheapflights users on 7/27. 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 9/106:45 am
BIO
-
BOS
2 stops16h 10m
Iberia
Wed 9/239:05 pm
BOS
-
BIO
1 stop20h 10m
Iberia
Deal found 7/27$496
This Iberia deal was found by Cheapflights users on 7/28. 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 9/79:35 pm
BIO
-
BOS
1 stop24h 35m
Iberia
Wed 9/169:05 pm
BOS
-
BIO
1 stop14h 45m
Iberia
Deal found 7/28$502
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:15 pm
BIO
-
BOS
1 stop14h 05m
TAP AIR PORTUGAL
Sun 10/2511:10 pm
BOS
-
BIO
1 stop14h 25m
TAP AIR PORTUGAL
Deal found 7/24$505
This Iberia deal was found by Cheapflights users on 7/23. 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.
Wed 9/28:55 am
BIO
-
BOS
1 stop18h 10m
Iberia
Fri 9/115:28 pm
BOS
-
BIO
2 stops21h 22m
Iberia
Deal found 7/23$506
This Mytrip deal was found by Cheapflights users on 7/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:15 pm
BIO
-
BOS
1 stop14h 05m
TAP AIR PORTUGAL
Mon 9/2110:45 pm
BOS
-
BIO
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 7/24$512
This Iberia deal was found by Cheapflights users on 7/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:45 am
BIO
-
BOS
1 stop19h 15m
Iberia
Mon 11/99:30 pm
BOS
-
BIO
1 stop19h 45m
Iberia
Deal found 7/24$525
This Expedia deal was found by Cheapflights users on 7/24. 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.
Fri 9/116:45 am
BIO
-
BOS
1 stop18h 25m
Iberia
Sat 9/199:20 pm
BOS
-
BIO
1 stop19h 55m
Iberia
Deal found 7/24$526

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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$488
(Iberia)

One-way from

$360
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$965
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. 21% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 28, 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

Thu 9/3

7:10 am-9:05 pm

1 stop19h 55m

Boston Logan Intl

Wed 9/16

9:05 pm-5:50 pm

1 stop14h 45m

$488

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 9/10

6:45 am-4:55 pm

2 stops16h 10m

Boston Logan Intl

Wed 9/23

9:05 pm-11:15 pm

1 stop20h 10m

$496

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 10/17

9:35 pm-7:30 pm

1 stop27h 55m

Boston Logan Intl

Sat 10/31

10:30 pm-4:55 pm

1 stop13h 25m

$536

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 11/5

12:10 pm-7:55 pm

1 stop13h 45m

Boston Logan Intl

Mon 11/9

6:00 pm-5:55 pm

1 stop17h 55m

$629

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 9/3

9:15 am-7:50 pm

1 stop16h 35m

Boston Logan Intl

Wed 9/16

6:00 am-8:30 am

2 stops20h 30m

$662
Quickest round-trip

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 9/7

7:10 am-3:00 pm

1 stop13h 50m

Boston Logan Intl

Wed 9/16

1:32 pm-9:50 am

2 stops14h 18m

$680

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 10/22

12:00 pm-11:08 pm

2 stops17h 08m

Boston Logan Intl

Wed 11/4

1:10 pm-11:30 am

2 stops16h 20m

$697

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 9/10

7:10 am-9:05 am

3 stops31h 55m

Boston Logan Intl

Wed 9/23

8:50 pm-9:00 pm

2 stops18h 10m

$705

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Wed 9/2

6:50 am-4:42 pm

2 stops15h 52m

Boston Logan Intl

Fri 9/11

10:00 pm-11:25 pm

2 stops19h 25m

$736

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 12/3

11:35 am-11:54 pm

2 stops18h 19m

Boston Logan Intl

Mon 12/7

4:30 pm-5:00 pm

3 stops18h 30m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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 July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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 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 $965). 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?

Airfare is below average for this route at the moment.

Bilbao to Boston flights typically cost between $581 and $871 in September.
The cheapest round-trip price found within the last 5 days was $488 on Iberia (Sep 3-Sep 16).

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 Iberia, American Airlines, and TAP AIR PORTUGAL 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. There are 3348 mi between Bilbao and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Bilbao to Boston one-way?

    $360 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on American Airlines and TAP AIR PORTUGAL, with prices starting from $381 and $453, respectively.

  • 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 $965). 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
Randolph
Brockton
Seekonk
Hampton Beach
Cranston
Warwick
Peabody
Dedham
Auburn
York Beach
Chelsea
Londonderry
Swansea
Fitchburg
North Falmouth
Braintree
Revere

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Alternative routes for Bilbao to Boston

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