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Bilbao

$303+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIO
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 3/18:40 pm
BOS
-
BIO
1 stop19h 15m
Lufthansa
Tue 3/176:45 am
BIO
-
BOS
1 stop12h 25m
Lufthansa
Deal found 2/3$356
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 3/16:25 pm
BOS
-
BIO
2 stops16h 15m
Multiple Airlines
Tue 3/176:45 am
BIO
-
BOS
1 stop12h 25m
Multiple Airlines
Deal found 2/3$377
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 3/48:40 pm
BOS
-
BIO
1 stop15h 25m
Lufthansa
Wed 3/1111:35 am
BIO
-
BOS
1 stop13h 00m
Lufthansa
Deal found 2/2$380
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 3/411:34 am
BOS
-
BIO
2 stops14h 56m
American Airlines
Wed 3/116:45 am
BIO
-
BOS
2 stops17h 34m
American Airlines
Deal found 2/2$390
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/311:51 am
BOS
-
BIO
2 stops16h 59m
United Airlines
Tue 3/1011:35 am
BIO
-
BOS
1 stop13h 00m
United Airlines
Deal found 2/2$393
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Tue 3/109:40 pm
BOS
-
BIO
1 stop19h 15m
Lufthansa
Mon 3/166:50 pm
BIO
-
BOS
1 stop29h 45m
Lufthansa
Deal found 2/3$397
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/15:30 am
BOS
-
BIO
2 stops23h 20m
United Airlines
Tue 3/176:45 am
BIO
-
BOS
2 stops19h 56m
United Airlines
Deal found 2/3$402
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 4/2911:34 am
BOS
-
BIO
2 stops14h 56m
American Airlines
Wed 5/61:30 pm
BIO
-
BOS
1 stop12h 20m
American Airlines
Deal found 2/2$405
This United Airlines deal was found by Cheapflights users on 2/1. 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 7/136:00 am
BDL
-
BIO
2 stops28h 00m
United Airlines
Wed 7/2211:55 am
BIO
-
BDL
2 stops18h 03m
United Airlines
Deal found 2/1$769
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/184:43 pm
BDL
-
BIO
2 stops19h 22m
United Airlines
Sun 2/226:45 am
BIO
-
BDL
2 stops23h 14m
United Airlines
Deal found 2/2$777
This Bravofly deal was found by Cheapflights users on 2/3. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:45 pm
BDL
-
BIO
2 stops16h 15m
Lufthansa
Fri 3/276:45 am
BIO
-
BDL
2 stops22h 14m
Lufthansa
Deal found 2/3$981
This Turkish Airlines deal was found by Cheapflights users on 2/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:00 am
BDL
-
BIO
2 stops28h 10m
Turkish Airlines
Tue 2/1012:00 pm
BIO
-
BDL
2 stops41h 43m
Turkish Airlines
Deal found 2/1$1,315

Find flight deals from Massachusetts to Bilbao

Keep the following information in mind while searching for Massachusetts to Bilbao flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(Kiwi.com)

One-way from

$303
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$604
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
One-way flight from Massachusetts to Bilbao
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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 3/4

11:34 am-8:30 am

2 stops14h 56m

Bilbao

Wed 3/11

6:45 am-7:19 pm

2 stops17h 34m

$390

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 3/3

11:51 am-10:50 am

2 stops16h 59m

Bilbao

Tue 3/10

11:35 am-7:35 pm

1 stop13h 00m

$393

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 4/29

11:34 am-8:30 am

2 stops14h 56m

Bilbao

Wed 5/6

1:30 pm-7:50 pm

1 stop12h 20m

$405

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 3/10

9:40 pm-9:55 pm

1 stop19h 15m

Bilbao

Mon 3/16

12:50 pm-3:05 pm

2 stops31h 15m

$412

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 3/10

7:25 pm-11:20 pm

2 stops22h 55m

Bilbao

Mon 3/16

5:35 pm-3:05 pm

2 stops26h 30m

$444

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Fri 4/24

10:45 pm-5:35 pm

1 stop12h 50m

Bilbao

Sun 5/3

7:45 pm-2:40 pm

1 stop24h 55m

$447

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 3/10

9:40 pm-9:55 pm

1 stop19h 15m

Bilbao

Sun 3/15

6:50 pm-2:10 pm

2 stops24h 20m

$465

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 2/15

5:15 pm-12:50 pm

2 stops13h 35m

Bilbao

Wed 3/4

6:45 am-7:50 pm

1 stop19h 05m

$489

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Mon 7/13

6:00 am-4:00 pm

2 stops28h 00m

Bilbao

Wed 7/22

11:55 am-11:58 pm

2 stops18h 03m

$769

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

Wed 2/18

4:43 pm-6:05 pm

2 stops19h 22m

Bilbao

Sun 2/22

6:45 am-11:59 pm

2 stops23h 14m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 20 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, March is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $348). Flying from Massachusetts to Bilbao in July is currently the most expensive (average of $580). 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 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 $390, American Airlines can have you in Bilbao from Massachusetts in 14h 56m. 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, March is the cheapest month in which you can book a flight from Massachusetts to Bilbao (average of $348). Flying from Massachusetts to Bilbao in July is currently the most expensive (average of $580). 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

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$381Average$650FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$393Average$703FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$417Average$743FlexibilityNo cancel feeOn-time76%
DeltaCheapest$424Average$741FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$657FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$468Average$815FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$516Average$707FlexibilityNo cancel feeOn-time75%
LEVELCheapest$523Average$753FlexibilityNo cancel feeOn-timeN/A

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