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Bilbao

$369+ Cheap flights from Massachusetts to Bilbao (BIO)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:30 amBOS - BIO
2 stops28h 40mMultiple Airlines
Tue 12/96:45 amBIO - BOS
1 stop12h 40mMultiple Airlines
Deal found 10/27$369
This Finnair deal was found by Cheapflights users on 10/29. 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 12/39:20 pmBOS - BIO
1 stop19h 55mFinnair
Tue 12/96:45 amBIO - BOS
1 stop14h 30mFinnair
Deal found 10/29$395
This Iberia deal was found by Cheapflights users on 10/28. 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.
Thu 12/1110:40 pmBOS - BIO
1 stop27h 40mIberia
Tue 12/162:30 pmBIO - BOS
1 stop12h 25mIberia
Deal found 10/28$426
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:40 pmBOS - BIO
1 stop19h 15mUnited Airlines
Sun 11/167:25 amBIO - BOS
1 stop17h 10mUnited Airlines
Deal found 10/27$433
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:40 pmBOS - BIO
1 stop15h 25mLufthansa
Sun 11/1611:35 amBIO - BOS
1 stop13h 00mLufthansa
Deal found 10/29$434
This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:35 pmBOS - BIO
2 stops25h 40mMultiple Airlines
Tue 12/166:45 amBIO - BOS
2 stops22h 09mMultiple Airlines
Deal found 10/28$444
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:00 pmBOS - BIO
2 stops15h 20mDelta
Thu 12/116:50 amBIO - BOS
1 stop12h 30mDelta
Deal found 10/29$462
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:40 pmBDL - BIO
2 stops16h 25mLufthansa
Sun 1/46:45 amBIO - BDL
2 stops23h 13mLufthansa
Deal found 10/30$4,158
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:40 pmBDL - BIO
2 stops21h 40mLufthansa
Mon 1/57:25 amBIO - BDL
2 stops22h 33mLufthansa
Deal found 10/30$4,868
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:40 pmBDL - BIO
2 stops21h 40mLufthansa
Sun 1/46:45 amBIO - BDL
2 stops23h 13mLufthansa
Deal found 10/30$4,875
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:50 pmBDL - BIO
2 stops19h 50mLufthansa
Mon 1/57:25 amBIO - BDL
2 stops22h 33mLufthansa
Deal found 10/30$4,891
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:50 pmBDL - BIO
2 stops19h 50mLufthansa
Sun 1/45:35 pmBIO - BDL
2 stops31h 20mLufthansa
Deal found 10/30$4,917

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$369
(Gotogate)

Popular in

April

Cheapest in

October

Average price

$547
Provider with most accurate pricing for Boston Logan Intl-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Bilbao flights.
Search Deals
From Massachusetts to Bilbao
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Wed 12/3

5:30 am-4:10 pm

2 stops28h 40m

Bilbao

Tue 12/9

11:35 am-8:20 pm

2 stops14h 45m

$382

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 12/3

9:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Tue 12/9

6:45 am-3:15 pm

1 stop14h 30m

$395

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/12

8:40 pm-9:55 pm

1 stop19h 15m

Bilbao

Sun 11/16

7:25 am-6:35 pm

1 stop17h 10m

$433

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/12

8:40 pm-6:05 pm

1 stop15h 25m

Bilbao

Sun 11/16

11:35 am-6:35 pm

1 stop13h 00m

$434

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Thu 12/11

3:35 pm-11:15 pm

2 stops25h 40m

Bilbao

Tue 12/16

6:45 am-3:15 pm

1 stop14h 30m

$434

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Thu 3/26

11:45 pm-11:25 am

1 stop30h 40m

Bilbao

Sun 4/5

7:45 pm-8:20 pm

1 stop30h 35m

$457

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 2/21

7:19 pm-4:10 pm

2 stops38h 51m

Bilbao

Sun 3/1

6:45 am-5:00 pm

2 stops16h 15m

$461

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Fri 3/27

6:10 am-11:20 pm

2 stops36h 10m

Bilbao

Tue 3/31

6:45 am-9:22 pm

2 stops20h 37m

$781

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sun 12/28

7:40 pm-6:05 pm

2 stops16h 25m

Bilbao

Mon 1/5

7:25 am-11:58 pm

2 stops22h 33m

$4,868

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Sat 12/27

7:40 pm-11:20 pm

2 stops21h 40m

Bilbao

Sun 1/4

6:45 am-11:58 pm

2 stops23h 13m

$4,875

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 21 results
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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, October is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $359). Flying from Massachusetts to Bilbao in June is currently the most expensive (average of $584). 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Massachusetts to Bilbao by exploring options for tickets in the morning.

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

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 $4,868, Finnair can have you in Bilbao from Massachusetts in 16h 25m. The distance from Massachusetts to Bilbao is about 3438 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $1,941. Users have also found prices from $3,046 and $3,177 on Iberia and United Airlines, respectively.

  • 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, October is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $359). Flying from Massachusetts to Bilbao in June is currently the most expensive (average of $584). 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.

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Alternative routes for Massachusetts to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$395Average$666FlexibilityNo cancel feeOn-time77%
DeltaCheapest$424Average$751FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$657FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$453Average$745FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$468Average$647FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$499Average$712FlexibilityNo cancel feeOn-time69%
KLMCheapest$516Average$810FlexibilityNo cancel feeOn-time75%
LEVELCheapest$523Average$753FlexibilityNo cancel feeOn-timeN/A

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