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$295+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BIO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 junio 12, 2025.

Round-trip from

$420
(Iberia)

One-way from

$295
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$761
From Massachusetts to Bilbao
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One-way flight from Massachusetts to Bilbao
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Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 9/241:00 pmBOS - BIO
2 stops13h 30mAmerican Airlines
jue. 10/26:45 amBIO - BOS
1 stop19h 05mAmerican Airlines
Deal found 6/10$374
This Finnair deal was found by Cheapflights users on 6/10. 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.
lun. 9/159:20 pmBOS - BIO
1 stop19h 55mMultiple Airlines
lun. 9/229:35 pmBIO - BOS
1 stop23h 25mMultiple Airlines
Deal found 6/10$405
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/264:30 pmBOS - BIO
1 stop14h 15mIberia
vie. 10/241:30 pmBIO - BOS
1 stop12h 20mIberia
Deal found 6/12$415
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 7/1610:00 amBOS - BIO
2 stops19h 15mDelta
mar. 8/126:50 amBIO - BOS
1 stop17h 35mDelta
Deal found 6/10$478
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/175:50 pmBOS - BIO
1 stop18h 30mLufthansa
jue. 9/256:45 amBIO - BOS
1 stop19h 25mLufthansa
Deal found 6/11$494
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 9/173:16 pmBOS - BIO
2 stops21h 04mUnited Airlines
jue. 9/256:45 amBIO - BOS
1 stop19h 25mUnited Airlines
Deal found 6/10$495
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/246:00 amBOS - BIO
2 stops28h 05mAir Canada
jue. 10/26:45 amBIO - BOS
2 stops20h 40mAir Canada
Deal found 6/11$496
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/410:20 pmBOS - BIO
1 stop17h 40mKLM
mié. 8/207:10 amBIO - BOS
1 stop12h 30mKLM
Deal found 6/10$551
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/49:25 pmBOS - BIO
1 stop14h 05mAer Lingus
jue. 8/146:10 pmBIO - BOS
1 stop26h 30mAer Lingus
Deal found 6/10$609
This SWISS deal was found by Cheapflights users on 6/10. 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.
mié. 7/165:05 pmBOS - BIO
1 stop18h 10mSWISS
jue. 8/76:05 pmBIO - BOS
1 stop27h 20mSWISS
Deal found 6/10$621
This United Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 8/196:00 amBDL - BIO
2 stops22h 45mUnited Airlines
lun. 8/252:10 pmBIO - BDL
2 stops34h 46mUnited Airlines
Deal found 6/10$685
This FlightHub deal was found by Cheapflights users on 6/10. 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.
mié. 7/28:05 pmBOS - BIO
2 stops38h 00mBrussels Airlines
mar. 7/84:55 pmBIO - BOS
2 stops29h 00mBrussels Airlines
Deal found 6/10$714

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 junio 12, 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

mié. 9/24

1:00 pm-8:30 am

2 stops13h 30m

Bilbao

jue. 10/2

6:45 am-7:50 pm

1 stop19h 05m

$374

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 9/15

9:20 pm-11:15 pm

1 stop19h 55m

Bilbao

lun. 9/22

9:35 pm-3:00 pm

1 stop23h 25m

$405

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

vie. 9/26

4:30 pm-12:45 pm

1 stop14h 15m

Bilbao

vie. 10/24

1:30 pm-7:50 pm

1 stop12h 20m

$415

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 7/16

10:00 am-11:15 am

2 stops19h 15m

Bilbao

mar. 8/12

6:50 am-6:25 pm

1 stop17h 35m

$478

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 9/17

5:50 pm-6:20 pm

1 stop18h 30m

Bilbao

jue. 9/25

6:45 am-8:10 pm

1 stop19h 25m

$494

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 9/17

3:16 pm-6:20 pm

2 stops21h 04m

Bilbao

jue. 9/25

6:45 am-8:10 pm

1 stop19h 25m

$495

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 9/24

6:00 am-4:05 pm

2 stops28h 05m

Bilbao

jue. 10/2

6:45 am-9:25 pm

2 stops20h 40m

$496

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 8/4

10:20 pm-10:00 pm

1 stop17h 40m

Bilbao

mié. 8/20

7:10 am-1:40 pm

1 stop12h 30m

$551

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 8/4

9:25 pm-5:30 pm

1 stop14h 05m

Bilbao

jue. 8/14

6:10 pm-2:40 pm

1 stop26h 30m

$609

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 7/16

5:05 pm-5:15 pm

1 stop18h 10m

Bilbao

jue. 8/7

6:05 pm-3:25 pm

1 stop27h 20m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 32 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, 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 $1,139). 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 junio 12, 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.

Rainfall in Bilbao by month

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

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

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

If weather is an important factor for your trip to Bilbao, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. 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 Bilbao. Reviews last updated junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines from Massachusetts to Bilbao to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    For one-way options, check prices for Vueling. According to our data, you can fly for as low as $314. Users have also found prices from $383 and $414 on Iberia and SWISS, 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, 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 $1,139). 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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John F Kennedy Intl to Bilbao flights
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San Francisco to Bilbao flights
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Boston to San Sebastian flights
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Top 9 airlines flying from Massachusetts to Bilbao

Discover the top 9 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$418Average$753FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$428Average$695FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$657FlexibilityNo cancel feeOn-time71%
DeltaCheapest$481Average$750FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$525Average$713FlexibilityNo cancel feeOn-time77%
KLMCheapest$532Average$891FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$573Average$795FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$608Average$813FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$616Average$712FlexibilityNo cancel feeOn-time69%

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