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

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

What airlines fly to Bilbao?

Iberia, Lufthansa and American Airlines 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 58% 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 March 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.

$261 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.

10:45 pm - 6:00 pm

BOS

BIO

13h 15m

1 stop

6:50 pm - 2:45 pm

BIO

BOS

25h 55m

1 stop

$523TAP AIR PORTUGAL

lun., abr. 27 - mar., may. 12

11:15 pm - 11:30 am

BOS

BIO

30h 15m

2 stops

6:50 pm - 8:20 pm

BIO

BOS

31h 30m

1 stop

$526TAP AIR PORTUGAL

mié., abr. 22 - mar., may. 5

8:05 pm - 11:25 pm

BOS

BIO

21h 20m

1 stop

7:25 pm - 3:10 pm

BIO

BOS

25h 45m

1 stop

$552Multiple Airlines

mié., abr. 22 - lun., may. 4

8:05 pm - 11:25 pm

BOS

BIO

21h 20m

1 stop

7:15 am - 5:40 pm

BIO

BOS

16h 25m

1 stop

$556United Airlines

mié., abr. 8 - mié., abr. 29

9:40 pm - 8:05 pm

BOS

BIO

16h 25m

1 stop

7:25 pm - 3:10 pm

BIO

BOS

25h 45m

1 stop

$560SWISS

lun., may. 4 - lun., may. 11

9:30 am - 11:25 pm

BOS

BIO

31h 55m

2 stops

11:55 am - 5:40 pm

BIO

BOS

11h 45m

1 stop

$561United Airlines

mié., abr. 8 - mié., abr. 29

5:45 pm - 1:20 pm

BOS

BIO

13h 35m

1 stop

11:55 am - 5:40 pm

BIO

BOS

11h 45m

1 stop

$568Lufthansa

mar., may. 5 - mar., may. 12

8:05 pm - 11:25 pm

BOS

BIO

21h 20m

1 stop

12:30 pm - 7:28 pm

BIO

BOS

12h 58m

1 stop

$570United Airlines

dom., sep. 6 - mié., sep. 16

8:05 pm - 11:25 pm

BOS

BIO

21h 20m

1 stop

7:15 am - 5:40 pm

BIO

BOS

16h 25m

1 stop

$575Lufthansa

lun., abr. 27 - mar., may. 12

3:18 pm - 5:30 pm

BDL

BIO

20h 12m

2 stops

6:05 pm - 4:30 pm

BIO

BDL

28h 25m

1 stop

$1,116Multiple Airlines

vie., abr. 3 - mar., abr. 7

TAP AIR PORTUGAL flights from Massachusetts to Bilbao

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

TAP AIR PORTUGAL

Apr 27

BOS10:45 pmBoston Logan Intl

13h 15m

1 stop

BIO6:00 pmBilbao

May 12

BIO6:50 pmBilbao

25h 55m

1 stop

BOS2:45 pmBoston Logan Intl

$523

TAP AIR PORTUGAL

Apr 22

BOS11:15 pmBoston Logan Intl

30h 15m

2 stops

BIO11:30 amBilbao

May 5

BIO6:50 pmBilbao

31h 30m

1 stop

BOS8:20 pmBoston Logan Intl

$526

TAP AIR PORTUGAL

Mar 26

BOS11:45 pmBoston Logan Intl

13h 10m

1 stop

BIO5:55 pmBilbao

Apr 5

BIO7:45 pmBilbao

25h 00m

1 stop

BOS2:45 pmBoston Logan Intl

$716

SWISS flights from Massachusetts to Bilbao

Our best SWISS deals on Massachusetts to Bilbao flight tickets

SWISS

May 4

BOS9:40 pmBoston Logan Intl

16h 25m

1 stop

BIO8:05 pmBilbao

May 11

BIO7:25 pmBilbao

25h 45m

1 stop

BOS3:10 pmBoston Logan Intl

$560

SWISS

Mar 30

BOS5:20 pmBoston Logan Intl

20h 45m

1 stop

BIO8:05 pmBilbao

Apr 6

BIO7:25 pmBilbao

25h 45m

1 stop

BOS3:10 pmBoston Logan Intl

$577

SWISS

May 3

BOS9:40 pmBoston Logan Intl

14h 55m

1 stop

BIO6:35 pmBilbao

May 11

BIO7:25 pmBilbao

25h 45m

1 stop

BOS3:10 pmBoston Logan Intl

$579

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 4/27

10:45 pm-6:00 pm

1 stop13h 15m

Bilbao

mar. 5/12

6:50 pm-2:45 pm

1 stop25h 55m

$523

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 4/22

11:15 pm-11:30 am

2 stops30h 15m

Bilbao

mar. 5/5

6:50 pm-8:20 pm

1 stop31h 30m

$526

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 4/22

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

lun. 5/4

7:25 pm-3:10 pm

1 stop25h 45m

$552

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 4/8

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

mié. 4/29

7:15 am-5:40 pm

1 stop16h 25m

$556

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 5/4

9:40 pm-8:05 pm

1 stop16h 25m

Bilbao

lun. 5/11

7:25 pm-3:10 pm

1 stop25h 45m

$560

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mié. 4/8

9:30 am-11:25 pm

2 stops31h 55m

Bilbao

mié. 4/29

11:55 am-5:40 pm

1 stop11h 45m

$561

Quickest round-trip

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

mar. 5/5

5:45 pm-1:20 pm

1 stop13h 35m

Bilbao

mar. 5/12

11:55 am-5:40 pm

1 stop11h 45m

$568

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

dom. 9/6

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

mié. 9/16

12:30 pm-7:28 pm

1 stop12h 58m

$570

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

lun. 4/27

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

mar. 5/12

7:15 am-5:40 pm

1 stop16h 25m

$575

HartfordBilbao

BDL - BIO

BDLBIO

Hartford Bradley Intl

vie. 4/3

3:18 pm-5:30 pm

2 stops20h 12m

Bilbao

mar. 4/7

6:05 pm-4:30 pm

1 stop28h 25m

$1,116

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 $483, 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 $495.

How far in advance should I book a flight 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 $633 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 $472 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 55m
Direct flights	None

The fastest flight from Massachusetts to Bilbao takes 11h 55m

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

Search flight deals

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 March 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 3,150 reviews	Search Iberia flights
United Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 9,470 reviews	Search United Airlines flights
Lufthansa	PriceFrom $417	Free Cancellation	Rating 6.8 7,864 reviews	Search Lufthansa flights
Delta	PriceFrom $424	Free Cancellation	Rating 7.9 8,321 reviews	Search Delta flights
American Airlines	PriceFrom $439	Free Cancellation	Rating 7.1 11,491 reviews	Search American Airlines flights
TAP AIR PORTUGAL	PriceFrom $468	Free Cancellation	Rating 7.1 2,175 reviews	Search TAP AIR PORTUGAL flights
KLM	PriceFrom $516	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM flights
LEVEL	PriceFrom $523	Free Cancellation	Rating 0.0	Search LEVEL flights
LEVEL	PriceFrom $897	Free Cancellation	Rating 0.0 0 reviews	Search LEVEL flights

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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 $261

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 4/23. 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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TAP AIR PORTUGAL flights from Massachusetts to Bilbao

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

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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.

Get notified when prices go down

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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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