Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Bilbao from $220

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:50 am - 5:55 pm-
30h 05m
Air Canada Logo
7:15 am - 10:40 pm-
21h 25m
$678Air Canada
Tue, Oct 13 - Tue, Oct 20
Delta Logo
8:25 pm - 4:30 pm-
14h 05m
Delta Logo
7:10 am - 3:00 pm-
13h 50m
$680Delta
Wed, Sep 30 - Thu, Oct 8
Delta Logo
8:25 pm - 4:30 pm-
14h 05m
Delta Logo
12:00 pm - 6:30 pm-
12h 30m
$680Delta
Wed, Sep 30 - Fri, Oct 9
Lufthansa Logo
8:05 pm - 11:25 pm-
21h 20m
Lufthansa Logo
6:40 pm - 5:40 pm-
29h 00m
$682Lufthansa
Sun, Oct 4 - Mon, Oct 12
TAP AIR PORTUGAL Logo
11:15 pm - 11:40 am-
30h 25m
TAP AIR PORTUGAL Logo
6:50 pm - 8:20 pm-
31h 30m
$682TAP AIR PORTUGAL
Sat, Aug 15 - Tue, Sep 1
TAP AIR PORTUGAL Logo
11:15 pm - 11:40 am-
30h 25m
TAP AIR PORTUGAL Logo
6:50 pm - 8:20 pm-
31h 30m
$683TAP AIR PORTUGAL
Sat, Aug 15 - Tue, Sep 1
United Airlines Logo
7:00 pm - 4:00 pm-
39h 00m
United Airlines Logo
11:55 am - 11:59 pm-
18h 04m
$684United Airlines
Sun, Sep 20 - Wed, Sep 30
United Airlines Logo
8:05 pm - 5:55 pm-
15h 50m
United Airlines Logo
12:30 pm - 10:06 pm-
15h 36m
$685United Airlines
Wed, Sep 2 - Fri, Sep 11
Multiple Airlines Logo
8:50 pm - 10:15 pm-
19h 25m
Multiple Airlines Logo
10:50 pm - 9:45 pm-
28h 55m
$685Multiple Airlines
Tue, Sep 8 - Tue, Sep 15
Lufthansa Logo
9:30 am - 11:25 pm-
31h 55m
Lufthansa Logo
6:40 pm - 5:40 pm-
29h 00m
$687Lufthansa
Wed, Sep 30 - Mon, Oct 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

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
Aug 15
BOS11:15 pmBoston Logan Intl
30h 25m
2 stops
BIO11:40 amBilbao
Sep 1
BIO6:50 pmBilbao
31h 30m
2 stops
BOS8:20 pmBoston Logan Intl
$682
TAP AIR PORTUGAL
Aug 15
BOS11:15 pmBoston Logan Intl
30h 25m
2 stops
BIO11:40 amBilbao
Sep 1
BIO6:50 pmBilbao
31h 30m
2 stops
BOS8:20 pmBoston Logan Intl
$683
TAP AIR PORTUGAL
Aug 17
BOS11:15 pmBoston Logan Intl
30h 25m
2 stops
BIO11:40 amBilbao
Sep 1
BIO6:50 pmBilbao
31h 30m
2 stops
BOS8:20 pmBoston Logan Intl
$684

Austrian Airlines flights from Boston to Bilbao

Our best Austrian Airlines deals on Boston to Bilbao flight tickets
Austrian Airlines
Sep 8
BOS5:10 pmBoston Logan Intl
23h 55m
2 stops
BIO11:05 pmBilbao
Sep 15
BIO2:05 pmBilbao
29h 45m
2 stops
BOS1:50 pmBoston Logan Intl
$739
Austrian Airlines
Sep 8
BOS5:10 pmBoston Logan Intl
14h 10m
2 stops
BIO1:20 pmBilbao
Sep 15
BIO2:05 pmBilbao
29h 45m
2 stops
BOS1:50 pmBoston Logan Intl
$757

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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, momondo users made 832,500 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Boston to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 10/13

5:50 am-5:55 pm

2 stops30h 05m

Bilbao

Tue 10/20

7:15 am-10:40 pm

2 stops21h 25m

$678

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 9/30

8:25 pm-4:30 pm

1 stop14h 05m

Bilbao

Thu 10/8

7:10 am-3:00 pm

1 stop13h 50m

$680
Quickest round-trip

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 9/30

8:25 pm-4:30 pm

1 stop14h 05m

Bilbao

Fri 10/9

12:00 pm-6:30 pm

1 stop12h 30m

$680

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 10/4

8:05 pm-11:25 pm

1 stop21h 20m

Bilbao

Mon 10/12

6:40 pm-5:40 pm

1 stop29h 00m

$682

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 8/15

11:15 pm-11:40 am

2 stops30h 25m

Bilbao

Tue 9/1

6:50 pm-8:20 pm

2 stops31h 30m

$682

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sat 8/15

11:15 pm-11:40 am

2 stops30h 25m

Bilbao

Tue 9/1

6:50 pm-8:20 pm

2 stops31h 30m

$683

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 9/20

7:00 pm-4:00 pm

2 stops39h 00m

Bilbao

Wed 9/30

11:55 am-11:59 pm

2 stops18h 04m

$684

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 9/2

8:05 pm-5:55 pm

1 stop15h 50m

Bilbao

Fri 9/11

12:30 pm-10:06 pm

1 stop15h 36m

$685

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Tue 9/8

8:50 pm-10:15 pm

2 stops19h 25m

Bilbao

Tue 9/15

10:50 pm-9:45 pm

3 stops28h 55m

$685

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 9/30

9:30 am-11:25 pm

2 stops31h 55m

Bilbao

Mon 10/12

6:40 pm-5:40 pm

1 stop29h 00m

$687

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bilbao from

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

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

Prices are currently typical for flights on this route.

Typical prices usually range from $678 to $941.
The lowest price recently found on this route was $678.

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Boston is in March. Flight prices, which tend to average around $495, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in March, then January is your next best option. Flight prices from Boston to Bilbao during January average around $528.

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 $738 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 $626 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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Boston to Bilbao takes 11h 35m
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 11h 35m.

  • 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?

  • 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?

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
IberiaPriceFrom $391Free CancellationRating
7.0
3,268 reviews
Search Iberia flights
United AirlinesPriceFrom $393Free CancellationRating
7.4
10,060 reviews
Search United Airlines flights
LufthansaPriceFrom $463Free CancellationRating
6.8
8,175 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $468Free CancellationRating
7.2
2,357 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $495Free CancellationRating
7.1
11,849 reviews
Search American Airlines flights
KLMPriceFrom $611Free CancellationRating
7.8
1,553 reviews
Search KLM flights
Air FrancePriceFrom $663Free CancellationRating
7.5
1,634 reviews
Search Air France flights
DeltaPriceFrom $689Free CancellationRating
7.8
8,487 reviews
Search Delta flights
Air EuropaPriceFrom $714Free CancellationRating
7.0
631 reviews
Search Air Europa flights
LEVELPriceFrom $897Free CancellationRating
0.0
0 reviews
Search LEVEL flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
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 9/3
Thu 9/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Airports servicing Basque Country

San Sebastián Airport