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$341+ Cheap flights from Bilbao (BIO) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — BOS
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Bilbao to Boston Logan Intl are usually found in September or January, booked 30 days in advance, depart on a Wednesday or Monday and return on a Sunday

Cheap 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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Delta)

Popular in

August

Cheapest in

September

Average price

$566
Provider with most accurate pricing for Bilbao-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Bilbao-Boston Logan Intl flights.
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From Bilbao to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 22, 2025.

This Iberia deal was found by Cheapflights users on 2/21. 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.
Tue 5/272:25 pmBIO - BOS
1 stop12h 40mIberia
Tue 6/104:30 pmBOS - BIO
1 stop14h 15mIberia
Deal found 2/21$352
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/11:30 pmBIO - BOS
1 stop31h 30mAmerican Airlines
Tue 4/811:54 amBOS - BIO
2 stops14h 36mAmerican Airlines
Deal found 2/21$388
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/16:45 amBIO - BOS
2 stops33h 22mUnited Airlines
Tue 4/84:32 pmBOS - BIO
2 stops19h 18mUnited Airlines
Deal found 2/21$417
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:25 pmBIO - BOS
1 stop13h 40mTAP AIR PORTUGAL
Mon 9/2910:40 pmBOS - BIO
1 stop31h 00mTAP AIR PORTUGAL
Deal found 2/21$423
This Booking.com deal was found by Cheapflights users on 2/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:45 amBIO - BOS
2 stops22h 05mMultiple Airlines
Wed 3/2610:55 pmBOS - BIO
1 stop17h 20mMultiple Airlines
Deal found 2/21$443
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:10 pmBIO - BOS
1 stop26h 50mLufthansa
Sun 5/410:00 pmBOS - BIO
1 stop18h 50mLufthansa
Deal found 2/21$469
This Brussels Airlines deal was found by Cheapflights users on 2/21. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:55 pmBIO - BOS
2 stops53h 05mBrussels Airlines
Mon 5/58:05 pmBOS - BIO
2 stops14h 00mBrussels Airlines
Deal found 2/21$522
This lol.travel deal was found by Cheapflights users on 2/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:45 amBIO - BOS
2 stops17h 24mAir Canada
Tue 6/103:20 pmBOS - BIO
2 stops18h 45mAir Canada
Deal found 2/21$570
This Austrian Airlines deal was found by Cheapflights users on 2/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:45 amBIO - BOS
2 stops37h 05mAustrian Airlines
Fri 9/125:10 pmBOS - BIO
2 stops19h 15mAustrian Airlines
Deal found 2/21$705
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:10 pmBIO - BOS
1 stop26h 30mAer Lingus
Mon 5/55:30 pmBOS - BIO
1 stop18h 00mAer Lingus
Deal found 2/21$1,074
This SWISS deal was found by Cheapflights users on 2/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1211:35 amBIO - BOS
2 stops14h 45mSWISS
Fri 3/1410:55 pmBOS - BIO
2 stops32h 20mSWISS
Deal found 2/21$2,020

Find flights from Bilbao to Boston within your budget

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 February 22, 2025.

Fly from

Bilbao

Fly to

Boston

Route

Depart

Return

Price

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 3/3

6:50 am-1:21 pm

1 stop12h 31m

Boston Logan Intl

Mon 3/17

7:45 pm-11:30 am

1 stop10h 45m

$341

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 5/27

2:25 pm-9:05 pm

1 stop12h 40m

Boston Logan Intl

Tue 6/10

4:30 pm-12:45 pm

1 stop14h 15m

$352

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 4/1

1:30 pm-3:00 pm

1 stop31h 30m

Boston Logan Intl

Tue 4/8

11:54 am-8:30 am

2 stops14h 36m

$387

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 4/1

6:45 am-2:57 pm

2 stops14h 12m

Boston Logan Intl

Tue 4/8

7:32 pm-5:50 pm

2 stops16h 18m

$416

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 3/20

6:45 am-11:50 pm

2 stops22h 05m

Boston Logan Intl

Wed 3/26

10:55 pm-9:15 pm

1 stop17h 20m

$443

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Thu 4/24

6:45 am-4:00 pm

1 stop15h 15m

Boston Logan Intl

Sun 5/4

10:00 pm-10:50 pm

1 stop18h 50m

$461

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 4/28

4:55 pm-4:00 pm

2 stops53h 05m

Boston Logan Intl

Mon 5/5

8:05 pm-4:05 pm

2 stops14h 00m

$522

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Sat 5/17

6:50 am-4:25 pm

1 stop15h 35m

Boston Logan Intl

Sun 6/22

4:40 pm-11:15 am

1 stop12h 35m

$560

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Tue 5/27

6:45 am-6:09 pm

2 stops17h 24m

Boston Logan Intl

Tue 6/10

3:20 pm-4:05 pm

2 stops18h 45m

$570

BilbaoBoston

BIO - BOS

BIOBOS

Bilbao

Mon 4/28

7:55 pm-9:05 pm

1 stop31h 10m

Boston Logan Intl

Thu 5/1

10:50 pm-4:55 pm

1 stop12h 05m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.

Travel insights for flights from Bilbao to Boston

Get recent, data-driven insights about flights from Bilbao to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Bilbao to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Bilbao to Boston. Price data was last updated on February 14, 2025.

The price you pay for your flight from Bilbao to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Bilbao to Boston (average of $218). Flying from Bilbao to Boston in July is currently the most expensive (average of $311). 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.

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 February 22, 2025.
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Azores Airlines
7.6
Good
62 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
8,213 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Bilbao to Boston round-trip?

    Cheapflights users have booked flights from Bilbao to Boston round-trip from $341. Other airlines that can offer you cheap pricing are Iberia, from $352, and American Airlines, from $387. Users have found that Delta is 41% cheaper than the other options available to this destination.

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

    $479 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Azores Airlines and Iberia, with prices starting from $531 and $1,138, 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, January is the cheapest month in which you can book a flight from Bilbao to Boston (average of $218). Flying from Bilbao to Boston in July is currently the most expensive (average of $311). 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 Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Warwick
Marlborough
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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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.
San Sebastian to Boston flights

Top airline flying from Bilbao to Boston

Discover the top airline that operate flights from Bilbao 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 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$398Average$750FlexibilityNo cancel feeOn-time75%
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