What is the cheapest airline that flies from Massachusetts to Bilbao?

United Airlines and KLM are the most popular carriers operating from Massachusetts to Bilbao

What airlines fly to Bilbao?

Iberia, Delta and Lufthansa are the top three most popular airlines that fly to Bilbao from Massachusetts according to our data. Iberia is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 9 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Massachusetts to Bilbao Airport?

Prices for flights from Massachusetts to Bilbao Airport are updated daily.

How many operators does momondo search for flights from Massachusetts to Bilbao Airport?

As of May 2026, there are 9 operators available to choose from for flights from Massachusetts to Bilbao Airport.

How old do you have to be to fly from Massachusetts to Bilbao Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Bilbao Airport.

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

The required travel and health documents for your Bilbao Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bilbao Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$297 Cheap Flights from Massachusetts to Bilbao in 2026

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Find the cheapest flights from Massachusetts to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 9:50 am

BOS

BIO

10h 40m

1 stop

7:10 am - 1:39 pm

BIO

BOS

12h 29m

1 stop

$739Delta

Sun, Jul 26 - Wed, Aug 12

10:45 pm - 6:00 pm

BOS

BIO

13h 15m

1 stop

12:25 pm - 8:20 pm

BIO

BOS

13h 55m

2 stops

$740TAP AIR PORTUGAL

Mon, Oct 19 - Wed, Oct 21

2:15 pm - 11:10 am

BOS

BIO

14h 55m

2 stops

6:50 am - 7:55 pm

BIO

BOS

19h 05m

2 stops

$741United Airlines

Mon, Jul 27 - Wed, Aug 5

2:28 pm - 11:10 am

BOS

BIO

14h 42m

2 stops

7:40 am - 11:59 pm

BIO

BOS

22h 19m

2 stops

$742United Airlines

Mon, Aug 24 - Sun, Aug 30

3:35 pm - 5:55 pm

BOS

BIO

20h 20m

2 stops

6:50 am - 9:50 am

BIO

BOS

33h 00m

2 stops

$743Air Canada

Wed, Aug 19 - Tue, Sep 1

9:05 am - 9:50 am

BOS

BIO

18h 45m

2 stops

7:10 am - 2:55 pm

BIO

BOS

13h 45m

1 stop

$744Delta

Sun, Jul 26 - Tue, Aug 11

8:05 pm - 10:50 pm

BOS

BIO

20h 45m

2 stops

6:50 am - 5:40 pm

BIO

BOS

16h 50m

2 stops

$745Lufthansa

Sat, Aug 15 - Tue, Aug 25

5:00 pm - 5:55 pm

BOS

BIO

42h 55m

2 stops

11:55 am - 5:40 pm

BIO

BOS

11h 45m

1 stop

$746United Airlines

Sat, May 30 - Tue, Jun 9

12:25 pm - 6:45 pm

BOS

BIO

24h 20m

2 stops

7:35 pm - 3:35 pm

BIO

BOS

26h 00m

1 stop

$747Scandinavian Airlines

Tue, Aug 25 - Fri, Aug 28

8:05 pm - 11:25 pm

BOS

BIO

21h 20m

1 stop

6:40 pm - 5:40 pm

BIO

BOS

29h 00m

1 stop

$748Lufthansa

Mon, Jun 1 - Mon, Jun 8

Lufthansa flights from Massachusetts to Bilbao

Our best Lufthansa deals on Massachusetts to Bilbao flight tickets

Lufthansa

Aug 15

BOS8:05 pmBoston Logan Intl

20h 45m

2 stops

BIO10:50 pmBilbao

Aug 25

BIO6:50 amBilbao

16h 50m

2 stops

BOS5:40 pmBoston Logan Intl

$745

Lufthansa

Jun 1

BOS8:05 pmBoston Logan Intl

21h 20m

1 stop

BIO11:25 pmBilbao

Jun 8

BIO6:40 pmBilbao

29h 00m

1 stop

BOS5:40 pmBoston Logan Intl

$748

Lufthansa

Jul 27

BOS7:27 pmBoston Logan Intl

21h 58m

2 stops

BIO11:25 pmBilbao

Aug 11

BIO6:50 amBilbao

16h 50m

2 stops

BOS5:40 pmBoston Logan Intl

$751

United Airlines flights from Massachusetts to Bilbao

Our best United Airlines deals on Massachusetts to Bilbao flight tickets

United Airlines

Jul 27

BOS2:15 pmBoston Logan Intl

14h 55m

2 stops

BIO11:10 amBilbao

Aug 5

BIO6:50 amBilbao

19h 05m

2 stops

BOS7:55 pmBoston Logan Intl

$741

United Airlines

Aug 24

BOS2:28 pmBoston Logan Intl

14h 42m

2 stops

BIO11:10 amBilbao

Aug 30

BIO7:40 amBilbao

22h 19m

2 stops

BOS11:59 pmBoston Logan Intl

$742

United Airlines

May 16

BOS6:55 pmBoston Logan Intl

41h 00m

2 stops

BIO5:55 pmBilbao

May 30

BIO7:15 amBilbao

34h 31m

2 stops

BOS11:46 amBoston Logan Intl

$744

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 7/26

5:10 pm-9:50 am

1 stop10h 40m

Bilbao

Wed 8/12

7:10 am-1:39 pm

1 stop12h 29m

$739

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 10/19

10:45 pm-6:00 pm

1 stop13h 15m

Bilbao

Wed 10/21

12:25 pm-8:20 pm

2 stops13h 55m

$740

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 7/27

2:15 pm-11:10 am

2 stops14h 55m

Bilbao

Wed 8/5

6:50 am-7:55 pm

2 stops19h 05m

$741

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 8/24

2:28 pm-11:10 am

2 stops14h 42m

Bilbao

Sun 8/30

7:40 am-11:59 pm

2 stops22h 19m

$742

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 8/19

3:35 pm-5:55 pm

2 stops20h 20m

Bilbao

Tue 9/1

6:50 am-9:50 am

2 stops33h 00m

$743

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 7/26

9:05 am-9:50 am

2 stops18h 45m

Bilbao

Tue 8/11

7:10 am-2:55 pm

1 stop13h 45m

$744

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 8/15

8:05 pm-10:50 pm

2 stops20h 45m

Bilbao

Tue 8/25

6:50 am-5:40 pm

2 stops16h 50m

$745

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 5/30

5:00 pm-5:55 pm

2 stops42h 55m

Bilbao

Tue 6/9

11:55 am-5:40 pm

1 stop11h 45m

$746

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 8/25

12:25 pm-6:45 pm

2 stops24h 20m

Bilbao

Fri 8/28

7:35 pm-3:35 pm

1 stop26h 00m

$747

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 6/1

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

Mon 6/8

6:40 pm-5:40 pm

1 stop29h 00m

$748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts 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

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Massachusetts is in October. Flight prices, which tend to average around $332, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in October, then March is your next best option. Flight prices from Massachusetts to Bilbao during March average around $340.

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

You are more likely to see cheaper flights to Bilbao from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $694 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from Massachusetts for as low as $527 on momondo.

Cheap Massachusetts to Bilbao flight deals and tips

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

Fastest flight time	11h 35m
Direct flights	None

The fastest flight from Massachusetts to Bilbao takes 11h 35m

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

Search flight deals

Frequently asked questions about flying from Massachusetts to Bilbao

When did momondo last update prices for flights from Massachusetts to Bilbao Airport?
Prices for flights from Massachusetts to Bilbao Airport are updated daily.
How many operators does momondo search for flights from Massachusetts to Bilbao Airport?
As of May 2026, there are 9 operators available to choose from for flights from Massachusetts to Bilbao Airport.
How old do you have to be to fly from Massachusetts to Bilbao Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The required travel and health documents for your Bilbao Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bilbao Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Massachusetts to Bilbao

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

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $386	Free Cancellation	Rating 7.0 3,215 reviews	Search Iberia flights
United Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 9,704 reviews	Search United Airlines flights
American Airlines	PriceFrom $439	Free Cancellation	Rating 7.1 11,665 reviews	Search American Airlines flights
Lufthansa	PriceFrom $453	Free Cancellation	Rating 6.8 7,993 reviews	Search Lufthansa flights
TAP AIR PORTUGAL	PriceFrom $468	Free Cancellation	Rating 7.2 2,250 reviews	Search TAP AIR PORTUGAL flights
Delta	PriceFrom $508	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
KLM	PriceFrom $559	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights
Air Europa	PriceFrom $714	Free Cancellation	Rating 6.9 605 reviews	Search Air Europa flights
LEVEL	PriceFrom $897	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Bilbao. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Massachusetts to Bilbao flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Massachusetts to Bilbao.

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

Price alerts on flights to Bilbao from Massachusetts are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Massachusetts to Bilbao from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Bilbao departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from Massachusetts to Bilbao

Our best Lufthansa deals on Massachusetts to Bilbao flight tickets

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Our best United Airlines deals on Massachusetts to Bilbao flight tickets

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How to get the cheapest flight ticket from Massachusetts to Bilbao

What is the cheapest month to fly to Bilbao?

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

What is the cheapest airline that flies from Massachusetts to Bilbao?

What airlines fly to Bilbao?

Cheap Massachusetts to Bilbao flight deals and tips

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

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Frequently asked questions about flying from Massachusetts to Bilbao

Best airlines flying from Massachusetts to Bilbao

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

Traveling to a place near Bilbao?

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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.

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

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