HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$209+ Cheap flights from Massachusetts to Bilbao (BIO)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to Bilbao 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.

Cheap flight deals from Massachusetts to Bilbao

Keep the following information in mind while searching for Massachusetts to Bilbao flight deals. Data was last updated September 16, 2025.

Round-trip from

$337
(lol.travel)

One-way from

$209
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$563
From Massachusetts to Bilbao
Search Deals
One-way flight from Massachusetts to Bilbao
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Massachusetts to Bilbao

Cheapest flights from Massachusetts to Bilbao
Explore the most affordable flight options available from Massachusetts to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This lol.travel deal was found by Cheapflights users on 9/16. 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 11/99:20 pmBOS - BIO
1 stop19h 55mFinnair
Tue 11/256:45 amBIO - BOS
1 stop14h 30mFinnair
Deal found 9/16$337
This Iberia deal was found by Cheapflights users on 9/14. 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 12/210:40 pmBOS - BIO
1 stop17h 00mIberia
Tue 12/91:35 pmBIO - BOS
2 stops15h 19mIberia
Deal found 9/14$350
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sun 11/910:15 amBOS - BIO
2 stops25h 50mAir Canada
Tue 11/257:25 amBIO - BOS
2 stops32h 32mAir Canada
Deal found 9/16$357
This Finnair deal was found by Cheapflights users on 9/14. 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.
Tue 12/23:35 pmBOS - BIO
2 stops25h 40mMultiple Airlines
Tue 12/96:45 amBIO - BOS
2 stops22h 09mMultiple Airlines
Deal found 9/14$364
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/248:40 pmBOS - BIO
1 stop20h 25mUnited Airlines
Tue 12/211:35 amBIO - BOS
1 stop13h 00mUnited Airlines
Deal found 9/16$383
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/288:40 pmBOS - BIO
1 stop15h 25mUnited Airlines
Fri 1/911:35 amBIO - BOS
1 stop13h 00mUnited Airlines
Deal found 9/14$384
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/318:40 pmBOS - BIO
1 stop15h 25mUnited Airlines
Fri 1/911:35 amBIO - BOS
1 stop13h 00mUnited Airlines
Deal found 9/14$386
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/241:30 pmBOS - BIO
2 stops15h 20mUnited Airlines
Thu 12/47:25 amBIO - BOS
1 stop17h 10mUnited Airlines
Deal found 9/15$387
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/241:30 pmBOS - BIO
2 stops15h 20mUnited Airlines
Wed 12/37:25 amBIO - BOS
1 stop17h 10mUnited Airlines
Deal found 9/16$388
This lol.travel deal was found by Cheapflights users on 9/16. 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.
Thu 10/210:33 amBDL - BIO
2 stops25h 47mLufthansa
Mon 10/67:10 pmBIO - BDL
2 stops29h 42mLufthansa
Deal found 9/16$596
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/196:00 amBDL - BIO
2 stops23h 05mUnited Airlines
Sun 10/2612:45 pmBIO - BDL
2 stops49h 53mUnited Airlines
Deal found 9/16$631
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:05 pmBDL - BIO
1 stop17h 25mAer Lingus
Sun 10/263:55 pmBIO - BDL
1 stop30h 15mAer Lingus
Deal found 9/14$976

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Bilbao 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 September 16, 2025.
Use the filters below to find and compare flights from Massachusetts to Bilbao that are best for you.

Fly from

Massachusetts

Fly to

Bilbao

Route

Depart

Return

Price

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 11/9

9:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Tue 11/25

6:45 am-10:59 pm

2 stops22h 14m

$343

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 12/2

3:35 pm-11:15 pm

2 stops25h 40m

Bilbao

Tue 12/9

6:45 am-10:54 pm

2 stops22h 09m

$364

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 11/24

8:40 pm-11:05 pm

1 stop20h 25m

Bilbao

Tue 12/2

11:35 am-6:35 pm

1 stop13h 00m

$383

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 12/28

8:40 pm-6:05 pm

1 stop15h 25m

Bilbao

Fri 1/9

11:35 am-6:35 pm

1 stop13h 00m

$384

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/26

1:30 pm-10:50 am

2 stops15h 20m

Bilbao

Wed 12/3

11:35 am-6:35 pm

1 stop13h 00m

$387

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/26

8:40 pm-6:05 pm

1 stop15h 25m

Bilbao

Thu 12/4

6:45 am-1:25 pm

1 stop12h 40m

$391

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/19

8:40 pm-11:05 pm

1 stop20h 25m

Bilbao

Mon 12/1

6:50 pm-6:35 pm

1 stop29h 45m

$393

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 11/24

1:30 pm-10:50 am

2 stops15h 20m

Bilbao

Fri 12/5

11:35 am-10:45 pm

2 stops17h 10m

$398

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/26

3:40 pm-4:10 pm

2 stops18h 30m

Bilbao

Thu 12/4

12:50 pm-9:57 am

2 stops27h 07m

$403

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 11/25

4:20 pm-12:05 pm

1 stop13h 45m

Bilbao

Tue 12/2

11:35 am-6:35 pm

1 stop13h 00m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Massachusetts to Bilbao

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

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

Currently, January is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $541). Flying from Massachusetts to Bilbao in June is currently the most expensive (average of $1,136). 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 MA to BIO?

Find hourly flight availability from Massachusetts to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Massachusetts to Bilbao as you normally would.

Related info for your journey

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

  • What airport do you fly into for flights to Bilbao from Massachusetts?

    Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to Bilbao from Massachusetts.

  • How long is the flight from Massachusetts to Bilbao?

    For as low as $343, Finnair can have you in Bilbao from Massachusetts in 19h 55m. The distance from Massachusetts to Bilbao is about 3348 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Massachusetts to Bilbao?

    Most travelers choose Boston Logan Intl - Bilbao, Hartford Bradley Intl - Bilbao or Provincetown - Bilbao when deciding on the best route from Massachusetts to Bilbao.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $541). Flying from Massachusetts to Bilbao in June is currently the most expensive (average of $1,136). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Massachusetts to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Bilbao flights
Newark to Bilbao flights
San Francisco to Bilbao flights
John F Kennedy Intl to San Sebastian flights
Miami to Bilbao flights
John F Kennedy Intl to Bilbao flights
Dulles Intl to Bilbao flights
LaGuardia to Bilbao flights
Seattle to Bilbao flights
Los Angeles to Bilbao flights
Baltimore to Bilbao flights
Hobby to Bilbao flights
San Jose to Bilbao flights
Dallas/Fort Worth to Bilbao flights
O'Hare Intl to Bilbao flights
Reagan-National to Bilbao flights
San Diego to Bilbao flights
Boston to San Sebastian flights
LaGuardia to San Sebastian flights
Newark to San Sebastian flights
George Bush Intcntl to Bilbao flights
Salt Lake City to Bilbao flights
Dulles Intl to San Sebastian flights
Minneapolis to Bilbao flights
Boise to Bilbao flights
Love Field to Bilbao flights
Denver to Bilbao flights
Atlanta to Bilbao flights
Reagan-National to San Sebastian flights
Fort Lauderdale to Bilbao flights
Indianapolis to Bilbao flights
Ontario to Bilbao flights
O'Hare Intl to San Sebastian flights
Miami to San Sebastian flights
Charlotte to San Sebastian flights
New Orleans to San Sebastian flights
Philadelphia to San Sebastian flights
Baton Rouge to Bilbao flights
Charlotte to Bilbao flights
Orlando to Bilbao flights
Raleigh to Bilbao flights
Columbus to Bilbao flights
Midway to Bilbao flights
Oakland to Bilbao flights
West Palm Beach to Bilbao flights
Pittsburgh to Bilbao flights
St. Louis to Bilbao flights
San Francisco to San Sebastian flights
Philadelphia to Bilbao flights

Top 8 airlines flying from Massachusetts to Bilbao

Discover the top 8 airlines that operate flights from Massachusetts to Bilbao. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$395Average$685FlexibilityNo cancel feeOn-time77%
LEVELCheapest$418Average$753FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$424Average$736FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$657FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$483Average$671FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$532Average$810FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$573Average$772FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$576Average$712FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.