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$361+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — BOS
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
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 March 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/91:20 pm
BIO
-
BOS
1 stop13h 45m
Multiple Airlines
Mon 4/1310:50 pm
BOS
-
BIO
1 stop18h 10m
Multiple Airlines
Deal found 3/9$478
This Iberia deal was found by Cheapflights users on 3/9. 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 4/93:30 pm
BIO
-
BOS
1 stop11h 35m
Iberia
Thu 4/2310:50 pm
BOS
-
BIO
1 stop17h 35m
Iberia
Deal found 3/9$491
This Iberia deal was found by Cheapflights users on 3/9. 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.
Wed 4/221:30 pm
BIO
-
BOS
1 stop12h 20m
Iberia
Mon 4/2710:50 pm
BOS
-
BIO
1 stop18h 10m
Iberia
Deal found 3/9$494
This Finnair deal was found by Cheapflights users on 3/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:45 am
BIO
-
BOS
1 stop19h 05m
Multiple Airlines
Mon 4/139:20 pm
BOS
-
BIO
1 stop19h 55m
Multiple Airlines
Deal found 3/9$495
This British Airways deal was found by Cheapflights users on 3/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:30 pm
BIO
-
BOS
1 stop12h 20m
Multiple Airlines
Thu 4/2311:34 am
BOS
-
BIO
2 stops14h 56m
Multiple Airlines
Deal found 3/11$496
This Finnair deal was found by Cheapflights users on 3/9. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:45 am
BIO
-
BOS
2 stops23h 07m
Multiple Airlines
Mon 4/279:20 pm
BOS
-
BIO
1 stop19h 55m
Multiple Airlines
Deal found 3/9$500
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:25 pm
BIO
-
BOS
1 stop32h 20m
TAP AIR PORTUGAL
Sun 4/266:05 pm
BOS
-
BIO
1 stop11h 35m
TAP AIR PORTUGAL
Deal found 3/12$528
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:25 pm
BIO
-
BOS
2 stops13h 55m
TAP AIR PORTUGAL
Mon 4/2710:45 pm
BOS
-
BIO
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 3/12$540
This Gotogate deal was found by Cheapflights users on 3/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:25 pm
BIO
-
BOS
1 stop32h 20m
TAP AIR PORTUGAL
Mon 5/410:45 pm
BOS
-
BIO
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 3/11$556

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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$478
(Kiwi.com)

One-way from

$361
(Travelocity)

Popular in

July

Cheapest in

February

Average price

$528
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. 20% potential increase in price ($162 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 March 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 March 14, 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 4/13

12:25 pm-8:20 pm

2 stops13h 55m

Boston Logan Intl

Sun 4/26

10:30 pm-6:00 pm

2 stops37h 30m

$563

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Fri 4/10

2:20 pm-9:05 pm

1 stop12h 45m

Boston Logan Intl

Sat 4/25

10:50 pm-10:15 am

1 stop29h 25m

$576

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Fri 4/10

6:45 am-3:40 pm

1 stop14h 55m

Boston Logan Intl

Sat 4/25

4:16 pm-10:50 pm

2 stops24h 34m

$608
Quickest round-trip

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 3/26

6:45 am-2:10 pm

1 stop12h 25m

Boston Logan Intl

Mon 3/30

8:05 pm-11:25 pm

1 stop21h 20m

$613

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sun 5/3

6:50 am-7:26 pm

2 stops18h 36m

Boston Logan Intl

Thu 5/14

8:05 pm-11:25 pm

1 stop21h 20m

$614

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 4/9

6:50 am-8:04 pm

2 stops19h 14m

Boston Logan Intl

Thu 4/23

11:17 am-5:00 pm

2 stops23h 43m

$614

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 4/18

7:15 am-5:40 pm

1 stop16h 25m

Boston Logan Intl

Tue 4/21

8:05 pm-11:25 pm

1 stop21h 20m

$618

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Wed 3/25

7:25 am-7:35 pm

1 stop17h 10m

Boston Logan Intl

Sun 3/29

9:30 am-11:25 pm

2 stops31h 55m

$620
Cheapest one-way

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sun 5/31

7:50 pm-7:50 pm

3 stops54h 00m

$444

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 8/22

9:40 pm-6:50 pm

3 stops51h 10m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March.
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, September is the cheapest month in which you can book a flight from Bilbao to Boston (average of $227). Flying from Bilbao to Boston in July is currently the most expensive (average of $699). 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.

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 fly from Bilbao to Boston in about 11h 35m. The time it takes to get you to your destination can typically vary by up to . There are 3348 mi between Bilbao and Boston.

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

    $215 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on TAP AIR PORTUGAL and Iberia, with prices starting from $403 and $466, 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, September is the cheapest month in which you can book a flight from Bilbao to Boston (average of $227). Flying from Bilbao to Boston in July is currently the most expensive (average of $699). 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
Seekonk
Brockton
Seabrook
Cranston
Chelsea
Smithfield
Lincoln
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy

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Alternative routes for Bilbao to Boston

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