Which layover airport has the shortest travel time from Boston to Bilbao?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 10h 40m.

Which layover airport has the shortest connection time from Boston to Bilbao?

Paris (CDG) has the shortest average layover time for this route: 1h 30m.

What is the cheapest airline that flies from Boston Logan Intl to Bilbao?

Aer Lingus, Iberia, and United Airlines are the most popular carriers operating from Boston Logan Intl to Bilbao

Which airport is the most popular layover for flights between Boston and Bilbao?

Madrid (MAD) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Bilbao?

Iberia, KLM and Delta are the top three most popular airlines that fly to Bilbao from Boston according to our data. Iberia is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 10 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Boston to Bilbao?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $811.

When did momondo last update prices for flights from Boston Logan Intl Airport to Bilbao Airport?

Prices for flights from Boston Logan Intl Airport to Bilbao Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boston Logan Intl Airport to Bilbao Airport?

The number of operators available for flights from Boston Logan Intl Airport to Bilbao Airport is 10 as of September 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Bilbao Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Bilbao Airport.

What documentation or ID do you need to fly to Bilbao Airport?

The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$333 Cheap Flights from Boston to Bilbao in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 pm - 6:35 pmBOS Boston Logan Intl-BIO Bilbao

14h 25m1 stop Lisbon Humberto Delgado

6:40 pm - 2:40 pmBIO Bilbao-BOS Boston Logan Intl

26h 00m1 stop Lisbon Humberto Delgado

$527TAP AIR PORTUGAL

Sun, Nov 1 - Sun, Nov 8

6:00 pm - 11:25 amBOS Boston Logan Intl-BIO Bilbao

11h 25m1 stop Lisbon Humberto Delgado

7:20 pm - 2:45 pmBIO Bilbao-BOS Boston Logan Intl

25h 25m1 stop Lisbon Humberto Delgado

$527TAP AIR PORTUGAL

Wed, Jan 13 - Mon, Jan 18

5:15 pm - 4:50 pmBOS Boston Logan Intl-BIO Bilbao

17h 35m2 stops Dublin Barcelona-El Prat

7:05 am - 7:05 pmBIO Bilbao-BOS Boston Logan Intl

18h 00m2 stops Barcelona-El Prat Dublin

$577Multiple Airlines

Wed, Nov 4 - Wed, Nov 11

8:00 pm - 4:50 pmBOS Boston Logan Intl-BIO Bilbao

14h 50m2 stops Madrid Barajas Barcelona-El Prat

9:50 pm - 8:00 pmBIO Bilbao-BOS Boston Logan Intl

28h 10m2 stops Barcelona-El Prat Madrid Barajas

$589Multiple Airlines

Wed, Jan 13 - Mon, Jan 18

9:05 pm - 8:50 pmBOS Boston Logan Intl-BIO Bilbao

17h 45m1 stop Madrid Barajas

6:45 am - 5:40 pmBIO Bilbao-BOS Boston Logan Intl

16h 55m1 stop Madrid Barajas

$600Iberia

Sun, Oct 18 - Tue, Nov 3

5:32 pm - 12:50 pmBOS Boston Logan Intl-BIO Bilbao

13h 18m2 stops Philadelphia Madrid Barajas

9:35 pm - 6:25 pmBIO Bilbao-BOS Boston Logan Intl

26h 50m1 stop Madrid Barajas

$611American Airlines

Tue, Nov 24 - Mon, Nov 30

5:28 pm - 12:45 pmBOS Boston Logan Intl-BIO Bilbao

13h 17m2 stops New York John F Kennedy Intl Madrid Barajas

9:35 pm - 6:00 pmBIO Bilbao-BOS Boston Logan Intl

26h 25m1 stop Madrid Barajas

$611American Airlines

Sun, Oct 18 - Mon, Nov 2

5:10 pm - 5:30 pmBOS Boston Logan Intl-BIO Bilbao

18h 20m1 stop Paris Charles de Gaulle

11:55 am - 2:13 pmBIO Bilbao-BOS Boston Logan Intl

32h 18m1 stop Amsterdam Schiphol

$624Delta

Sun, Oct 18 - Mon, Nov 2

8:00 pm - 12:50 pmBOS Boston Logan Intl-BIO Bilbao

10h 50m1 stop Madrid Barajas

6:45 am - 6:25 pmBIO Bilbao-BOS Boston Logan Intl

17h 40m1 stop Madrid Barajas

$626Iberia

Mon, Jan 4 - Mon, Jan 18

1:35 pm - 9:50 amBOS Boston Logan Intl-BIO Bilbao

14h 15m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

11:55 am - 11:05 pmBIO Bilbao-BOS Boston Logan Intl

17h 10m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$690Delta

Sun, Oct 18 - Mon, Nov 2

Cheap last minute flights

Enter your travel dates to find the best prices.

3:35 pm - 2:05 pmBOS Boston Logan Intl-BIO Bilbao

16h 30m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

9:00 pm - 3:10 pmBIO Bilbao-BOS Boston Logan Intl

24h 10m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Zurich

$836Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

12:30 pm - 1:05 pmBOS Boston Logan Intl-BIO Bilbao

18h 35m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat

9:00 pm - 3:10 pmBIO Bilbao-BOS Boston Logan Intl

24h 10m3 stops Palma de Mallorca Son Sant Joan Barcelona-El Prat Zurich

$845Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

11:35 am - 8:30 amBOS Boston Logan Intl-BIO Bilbao

14h 55m2 stops New York John F Kennedy Intl Madrid Barajas

9:15 am - 7:30 pmBIO Bilbao-BOS Boston Logan Intl

16h 15m1 stop Madrid Barajas

$1,022Iberia

Thu, Sep 24 - Wed, Sep 30

10:55 pm - 5:35 pmBOS Boston Logan Intl-BIO Bilbao

12h 40m1 stop Barcelona-El Prat

9:15 am - 7:30 pmBIO Bilbao-BOS Boston Logan Intl

16h 15m1 stop Madrid Barajas

$1,027Iberia

Thu, Sep 24 - Wed, Sep 30

10:55 pm - 8:15 amBOS Boston Logan Intl-BIO Bilbao

27h 20m1 stop Barcelona-El Prat

7:15 pm - 9:45 pmBIO Bilbao-BOS Boston Logan Intl

32h 30m1 stop Barcelona-El Prat

$1,076LEVEL

Thu, Sep 24 - Sat, Sep 26

5:10 pm - 9:50 amBOS Boston Logan Intl-BIO Bilbao

10h 40m1 stop Paris Charles de Gaulle

12:00 pm - 1:19 pmBIO Bilbao-BOS Boston Logan Intl

31h 19m1 stop Amsterdam Schiphol

$1,085Delta

Fri, Sep 25 - Sun, Sep 27

9:45 pm - 9:50 amBOS Boston Logan Intl-BIO Bilbao

30h 05m1 stop Paris Charles de Gaulle

12:00 pm - 1:19 pmBIO Bilbao-BOS Boston Logan Intl

31h 19m1 stop Amsterdam Schiphol

$1,086Delta

Thu, Sep 24 - Sun, Sep 27

2:15 pm - 11:25 pmBOS Boston Logan Intl-BIO Bilbao

27h 10m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

11:55 am - 5:40 pmBIO Bilbao-BOS Boston Logan Intl

11h 45m1 stop Munich Franz Josef Strauss

$1,098Lufthansa

Thu, Sep 24 - Sun, Sep 27

3:48 pm - 11:10 pmBOS Boston Logan Intl-BIO Bilbao

25h 22m2 stops Newark Frankfurt am Main

11:55 am - 1:50 pmBIO Bilbao-BOS Boston Logan Intl

31h 55m2 stops Munich Franz Josef Strauss Vienna Intl

$1,130United Airlines

Thu, Sep 24 - Sun, Sep 27

6:00 am - 11:15 amBOS Boston Logan Intl-BIO Bilbao

23h 15m2 stops Newark Brussels Bruxelles-National

2:10 pm - 3:40 pmBIO Bilbao-BOS Boston Logan Intl

31h 30m1 stop Frankfurt am Main

$5,500United Airlines

Sat, Sep 26 - Sun, Sep 27

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

TAP AIR PORTUGAL flights from Boston to Bilbao

Our best TAP AIR PORTUGAL deals on Boston to Bilbao flight tickets

TAP AIR PORTUGAL

Nov 1

BOS10:10 pmBoston Logan Intl

14h 25m

1 stop

BIO6:35 pmBilbao

Nov 8

BIO6:40 pmBilbao

26h 00m

1 stop

BOS2:40 pmBoston Logan Intl

$527

TAP AIR PORTUGAL

Oct 18

BOS6:05 pmBoston Logan Intl

11h 35m

1 stop

BIO11:40 amBilbao

Nov 2

BIO7:20 pmBilbao

25h 25m

1 stop

BOS2:45 pmBoston Logan Intl

$540

TAP AIR PORTUGAL

Nov 1

BOS10:50 pmBoston Logan Intl

13h 45m

2 stops

BIO6:35 pmBilbao

Nov 8

BIO6:40 pmBilbao

31h 15m

1 stop

BOS7:55 pmBoston Logan Intl

$616

Delta flights from Boston to Bilbao

Our best Delta deals on Boston to Bilbao flight tickets

Delta

Oct 18

BOS5:10 pmBoston Logan Intl

18h 20m

1 stop

BIO5:30 pmBilbao

Nov 2

BIO11:55 amBilbao

32h 18m

1 stop

BOS2:13 pmBoston Logan Intl

$624

Delta

Oct 18

BOS1:35 pmBoston Logan Intl

14h 15m

2 stops

BIO9:50 amBilbao

Nov 2

BIO11:55 amBilbao

17h 10m

2 stops

BOS11:05 pmBoston Logan Intl

$690

Delta

Sep 25

BOS5:10 pmBoston Logan Intl

10h 40m

1 stop

BIO9:50 amBilbao

Sep 27

BIO12:00 pmBilbao

31h 19m

1 stop

BOS1:19 pmBoston Logan Intl

$1,085

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Sun 11/1

10:10 pm-6:35 pm

1 stop14h 25m

Bilbao

Sun 11/8

6:40 pm-2:40 pm

1 stop26h 00m

$527

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Wed 1/13

6:00 pm-11:25 am

1 stop11h 25m

Bilbao

Mon 1/18

7:20 pm-2:45 pm

1 stop25h 25m

$527

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Wed 11/4

5:15 pm-4:50 pm

2 stops17h 35m

Bilbao

Wed 11/11

7:05 am-7:05 pm

2 stops18h 00m

$577

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Wed 1/13

8:00 pm-4:50 pm

2 stops14h 50m

Bilbao

Mon 1/18

9:50 pm-8:00 pm

2 stops28h 10m

$589

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Sun 10/18

9:05 pm-8:50 pm

1 stop17h 45m

Bilbao

Tue 11/3

6:45 am-5:40 pm

1 stop16h 55m

$600

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Tue 11/24

5:32 pm-12:50 pm

2 stops13h 18m

Bilbao

Mon 11/30

9:35 pm-6:25 pm

1 stop26h 50m

$611

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Sun 10/18

5:28 pm-12:45 pm

2 stops13h 17m

Bilbao

Mon 11/2

9:35 pm-6:00 pm

1 stop26h 25m

$611

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Sun 10/18

5:10 pm-5:30 pm

1 stop18h 20m

Bilbao

Mon 11/2

11:55 am-2:13 pm

1 stop32h 18m

$624

Quickest round-trip

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Mon 1/4

8:00 pm-12:50 pm

1 stop10h 50m

Bilbao

Mon 1/18

6:45 am-6:25 pm

1 stop17h 40m

$626

BostonBilbao

BOS Boston Logan Intl - BIO Bilbao

BOSBIO

Boston Logan Intl

Sun 10/18

1:35 pm-9:50 am

2 stops14h 15m

Bilbao

Mon 11/2

11:55 am-11:05 pm

2 stops17h 10m

$690

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Boston and Bilbao?

Prices are currently low for flights on this route.

Typical prices usually range from $631 to $1,013.
The lowest price recently found on this route was $527.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Boston is in January. Flight prices, which tend to average around $528, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in January, then March is your next best option. Flight prices from Boston to Bilbao during March average around $554.

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

You are more likely to see cheaper flights to Bilbao from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $765 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from Boston for as low as $685 on momondo.

How have Boston to Bilbao flight prices changed over time?

When to book flights from Boston to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Bilbao according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Bilbao (BOS to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Bilbao

Best Price Found	$333
Fastest flight time	10h 10m
Direct flights	None

The best one-way flight to Bilbao from Boston in the past 72 hours is $333. The best round-trip flight deal from Boston to Bilbao found on momondo in the last 72 hours is $527.

The fastest flight from Boston to Bilbao takes 10h 10m

There are no direct flights from Boston to Bilbao. There are no popular flight routes from Boston to Bilbao.

Search flight deals

Frequently asked questions about flying from Boston to Bilbao

How far is Boston Logan Intl to Bilbao by plane?
The straight-line distance from Boston Logan Intl to Bilbao is 3350.6 mi. In terms of flight time, this usually takes a little over 10h 10m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Bilbao Airport?
Prices for flights from Boston Logan Intl Airport to Bilbao Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boston Logan Intl Airport to Bilbao Airport?
The number of operators available for flights from Boston Logan Intl Airport to Bilbao Airport is 10 as of September 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Bilbao Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boston to Bilbao?
Based on momondo bookings for flights between Boston and Bilbao, the leading airline is KLM, making up 25% of the total bookings. Other popular airlines include Delta with 22%, Iberia with 20%, and Lufthansa with 13%.

Best airlines flying from Boston to Bilbao

Compare and see reviews for airlines that fly from Boston to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 10,222 reviews	Search United Airlines flights
Iberia	PriceFrom $397	Free Cancellation	Rating 7.0 3,251 reviews	Search Iberia flights
TAP AIR PORTUGAL	PriceFrom $471	Free Cancellation	Rating 7.2 2,377 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $495	Free Cancellation	Rating 6.8 8,238 reviews	Search Lufthansa flights
American Airlines	PriceFrom $597	Free Cancellation	Rating 7.0 12,074 reviews	Search American Airlines flights
KLM	PriceFrom $611	Free Cancellation	Rating 7.8 1,575 reviews	Search KLM flights
Air France	PriceFrom $663	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
Delta	PriceFrom $683	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
Air Europa	PriceFrom $714	Free Cancellation	Rating 6.9 639 reviews	Search Air Europa flights
LEVEL	PriceFrom $897	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights

Getxo

Laredo

Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Bilbao?

Finding the right flight to Bilbao from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bilbao quick and easy, saving you time and money.

Can I find flights from Boston to Bilbao with flexible booking policies on momondo?

Yes. All flights to Bilbao from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Bilbao?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bilbao from Boston.

I’m not ready to book a flight from Boston to Bilbao right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Bilbao now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bilbao and let you know when they change.

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/22

Thu 10/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Nearby airports

Airlines

Cabin classes

Other Spain destinations

Other flights from Boston

Complete your trip

Feeling lucky

Airports servicing Basque Country

San Sebastián Airport

Cheap flights from Boston to Bilbao from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Bilbao departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Boston to Bilbao

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

TAP AIR PORTUGAL flights from Boston to Bilbao

Our best TAP AIR PORTUGAL deals on Boston to Bilbao flight tickets

Delta flights from Boston to Bilbao

Our best Delta deals on Boston to Bilbao flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Boston to Bilbao that are best for you.

See travel insights to Bilbao from

How to get the cheapest flight ticket from Boston to Bilbao

What is the typical price of a round-trip flight between Boston and Bilbao?

What is the cheapest month to fly to Bilbao?

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

How have Boston to Bilbao flight prices changed over time?

What is the cheapest airline that flies from Boston Logan Intl to Bilbao?

What airlines fly to Bilbao?

Which airport is the most popular layover for flights between Boston and Bilbao?

Which layover airport offers the lowest fares from Boston to Bilbao?

Which layover airport has the shortest travel time from Boston to Bilbao?

Which layover airport has the shortest connection time from Boston to Bilbao?

When to book flights from Boston to Bilbao

Cheap Boston to Bilbao (BOS to BIO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boston to Bilbao

Best airlines flying from Boston to Bilbao

Compare and see reviews for airlines that fly from Boston to Bilbao with momondo

Traveling to a place near Bilbao?

Why use momondo?

An easier way to manage your Bilbao trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Airports servicing Basque Country

Fly your favorite airline to Bilbao

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bilbao

List of cabin classes available on flights landing in Bilbao. Availability may vary depending on flight origin and airline.

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Boston

According to popular flight searches on momondo this year

Complete your trip to Bilbao

Explore popular destinations other users love

According to popular flight searches on momondo this year