Which airports can I use when flying from Boston to Bilbao?

Flights from Boston to Bilbao usually depart from Boston Logan Intl (BOS) and arrive at Bilbao (BIO).

What cabin classes can I book on flights from Boston to Bilbao?

Three cabin classes are available on flights from Boston to Bilbao: • Economy Class • Premium Economy Class • Business Class

Which airports do connecting flights from Boston to Bilbao pass through?

One-stop flights from Boston to Bilbao most commonly connect through: • Madrid Barajas (MAD) - 31% of one-stop connections • Paris Charles de Gaulle (CDG) - 24% of one-stop connections • Amsterdam Schiphol (AMS) - 22% of one-stop connections • Barcelona-El Prat (BCN) - 9% of one-stop connections

Can I save money by using flexible dates for flights from Boston to Bilbao?

Yes. Flexible dates can save you up to 40% on flights from Boston to Bilbao. Tuesday is the cheapest departure day at $668 round-trip on average, while Saturday is the most expensive at $1,108, a difference of $440. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How expensive are last-minute Boston to Bilbao flights?

Last-minute fares on this route (booked within two weeks of departure) are 11% below the route average of $941. Booking late can sometimes save you money, but inventory is limited.

How long is a flight from Boston to Bilbao?

A nonstop flight from Boston to Bilbao takes 00m, covering 3,348 miles.

Do I need a passport to fly from Boston to Bilbao?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Boston to Bilbao looking right now?

One-way fares from Boston to Bilbao are currently lower than usual. Average one-way flight prices are about $394, which is 20% below the typical average for this route.

How much time can I save by choosing a different layover airport from Boston to Bilbao?

Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 10h 34m, compared with 11h 06m via Newark (EWR) and 11h 23m via Paris Charles de Gaulle (CDG).

What is the time difference between Boston and Bilbao?

Bilbao is 6 hours ahead of Boston (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Bilbao Airport (BIO)?

Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include: • Record go • Goldcar Rental SP • CLICK RENT • Rentbycar • Centauro

How much should I expect to pay for a Boston to Bilbao flight?

Round-trip flights from Boston to Bilbao range from $735 to $1,086, with an average of $941 over the past 12 months. Anything below $735 counts as a good deal.

What's the cheapest day of the week to fly from Boston to Bilbao?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boston to Bilbao. It’s 30% cheaper than the average day, while Saturday is the most expensive, with prices 17% higher.

What’s the cheapest month to fly from Boston to Bilbao?

•January is the cheapest month to fly from Boston to Bilbao at $528 round-trip. •July ($1,058) and February ($979) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 100% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Bilbao the cheapest?

Flights from Boston to Bilbao are cheapest 6 weeks before departure. Booking in this window typically costs about 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Which airline is the cheapest to fly from Boston to Bilbao?

Iberia ($546) and TAP AIR PORTUGAL ($657) are the cheapest airlines to fly round-trip from Boston to Bilbao according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Boston to Bilbao?

Madrid Barajas (MAD) is the most popular layover for the Boston to Bilbao route. 31% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via MAD.

What is the cheapest layover airport when flying from Boston to Bilbao?

Flights via Zurich (ZRH) offer the most affordable fares, with an average round-trip price of $708. Based on KAYAK data over the past 3 months.

When flying from Boston to Bilbao which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Boston to Bilbao layovers at 5h 58m over the past 3 months.

$315 CHEAP FLIGHTS from Boston to Bilbao (BOS - BIO)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$522

Typical prices: $735-$1,086

Multiple Airlines

Fri 1/5Fri 2/2

BOS - BIO • 1 stop

Cheapest one-way

$315

Typical prices: $430-$594

Multiple Airlines

Wed 1/17

BOS - BIO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Boston and Bilbao. You'll need to take a connecting flight to reach the destination.

Insights

When to book

6 weeks

in advance

Our data shows that travelers who book at least 6 weeks in advance save around 13% compared to booking last minute.

Insights

When to travel

January

Cheapest • 44% price drop

August

Most popular

Good to know

Top layover airports

Zurich (ZRH)

Cheapest • Avg $708 (round-trip)

Newark (EWR)

Shortest trip • 11h 06m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Bilbao!

Flight Deals

Cheap Flights from Boston to Bilbao (BOS-BIO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Boston to Bilbao

Tue, Jan 5 - Tue, Feb 2

8:00 pm - 11:50 amBOS Boston Logan Intl-BIO Bilbao

9h 50m1 stop Madrid Barajas

12:35 pm - 6:25 pmBIO Bilbao-BOS Boston Logan Intl

11h 50m1 stop Madrid Barajas

$522Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

8:00 pm - 11:15 pmBOS Boston Logan Intl-BIO Bilbao

21h 15m1 stop Madrid Barajas

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

26h 50m1 stop Madrid Barajas

$546Iberia

Sun, Nov 29 - Sun, Dec 6

8:00 pm - 11:15 pmBOS Boston Logan Intl-BIO Bilbao

21h 15m1 stop Madrid Barajas

1:15 pm - 6:25 pmBIO Bilbao-BOS Boston Logan Intl

11h 10m1 stop Madrid Barajas

$551Iberia

Thu, Nov 12 - Thu, Nov 19

5:15 pm - 11:35 amBOS Boston Logan Intl-BIO Bilbao

36h 20m2 stops Dublin Milan Malpensa

12:10 pm - 8:15 pmBIO Bilbao-BOS Boston Logan Intl

14h 05m1 stop Lisbon Humberto Delgado

$552Multiple Airlines

Sun, Nov 1 - Tue, Nov 17

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

$657TAP AIR PORTUGAL

Sun, Nov 1 - Tue, Nov 17

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

$665TAP AIR PORTUGAL

Wed, Nov 25 - Fri, Dec 11

8:40 pm - 5:45 pmBOS Boston Logan Intl-BIO Bilbao

15h 05m1 stop Munich Franz Josef Strauss

7:30 am - 6:35 pmBIO Bilbao-BOS Boston Logan Intl

17h 05m1 stop Munich Franz Josef Strauss

$811Lufthansa

Wed, Nov 25 - Wed, Dec 9

8:40 pm - 5:45 pmBOS Boston Logan Intl-BIO Bilbao

15h 05m1 stop Munich Franz Josef Strauss

7:30 am - 6:35 pmBIO Bilbao-BOS Boston Logan Intl

17h 05m1 stop Munich Franz Josef Strauss

$814United Airlines

Wed, Nov 25 - Thu, Dec 10

8:40 pm - 9:55 pmBOS Boston Logan Intl-BIO Bilbao

19h 15m1 stop Munich Franz Josef Strauss

11:45 am - 6:35 pmBIO Bilbao-BOS Boston Logan Intl

12h 50m1 stop Munich Franz Josef Strauss

$814United Airlines

Wed, Nov 25 - Mon, Dec 14

8:40 pm - 5:45 pmBOS Boston Logan Intl-BIO Bilbao

15h 05m1 stop Munich Franz Josef Strauss

5:50 pm - 1:45 pmBIO Bilbao-BOS Boston Logan Intl

25h 55m1 stop Frankfurt am Main

$859Lufthansa

Recent last minute flight deals from Boston to Bilbao

Fri, Oct 16 - Sun, Nov 1

9:15 pm - 9:00 pmBOS Boston Logan Intl-BIO Bilbao

17h 45m2 stops Dublin London Heathrow

6:40 pm - 8:30 pmBIO Bilbao-BOS Boston Logan Intl

55h 50m2 stops Lisbon Humberto Delgado Porto

$839Multiple Airlines

Sat, Oct 17 - Tue, Oct 20

10:45 pm - 11:40 amBOS Boston Logan Intl-BIO Bilbao

30h 55m1 stop Lisbon Humberto Delgado

6:50 pm - 8:20 pmBIO Bilbao-BOS Boston Logan Intl

31h 30m2 stops Lisbon Humberto Delgado Porto

$882TAP AIR PORTUGAL

Sun, Oct 18 - Thu, Oct 22

11:00 pm - 6:00 pmBOS Boston Logan Intl-BIO Bilbao

37h 00m2 stops Porto Lisbon Humberto Delgado

12:15 pm - 8:20 pmBIO Bilbao-BOS Boston Logan Intl

14h 05m1 stop Lisbon Humberto Delgado

$890TAP AIR PORTUGAL

Sat, Oct 17 - Tue, Oct 20

7:10 pm - 5:55 pmBOS Boston Logan Intl-BIO Bilbao

40h 45m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:50 pm - 8:20 pmBIO Bilbao-BOS Boston Logan Intl

31h 30m2 stops Lisbon Humberto Delgado Porto

$928Multiple Airlines

Tue, Oct 20 - Sun, Oct 25

8:05 pm - 5:55 pmBOS Boston Logan Intl-BIO Bilbao

15h 50m1 stop Munich Franz Josef Strauss

7:30 am - 7:35 pmBIO Bilbao-BOS Boston Logan Intl

17h 05m1 stop Munich Franz Josef Strauss

$1,001Lufthansa

Sat, Oct 17 - Tue, Oct 20

5:25 pm - 6:35 pmBOS Boston Logan Intl-BIO Bilbao

19h 10m2 stops Dublin London Heathrow

9:05 pm - 8:20 pmBIO Bilbao-BOS Boston Logan Intl

29h 15m3 stops Madrid Barajas Lisbon Humberto Delgado Porto

$1,007Multiple Airlines

Mon, Oct 19 - Sun, Oct 25

8:05 pm - 11:25 pmBOS Boston Logan Intl-BIO Bilbao

21h 20m1 stop Munich Franz Josef Strauss

7:30 am - 7:35 pmBIO Bilbao-BOS Boston Logan Intl

17h 05m1 stop Munich Franz Josef Strauss

$1,015Lufthansa

Tue, Oct 20 - Sun, Oct 25

9:30 am - 5:55 pmBOS Boston Logan Intl-BIO Bilbao

26h 25m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

7:30 am - 7:35 pmBIO Bilbao-BOS Boston Logan Intl

17h 05m1 stop Munich Franz Josef Strauss

$1,027United Airlines

Tue, Oct 20 - Sun, Oct 25

8:05 pm - 5:55 pmBOS Boston Logan Intl-BIO Bilbao

15h 50m1 stop Munich Franz Josef Strauss

7:30 am - 11:59 pmBIO Bilbao-BOS Boston Logan Intl

21h 29m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,032United Airlines

Sun, Oct 18 - Thu, Oct 22

9:05 pm - 3:35 pmBOS Boston Logan Intl-BIO Bilbao

12h 30m2 stops Madrid Barajas Valencia

1:30 pm - 11:25 pmBIO Bilbao-BOS Boston Logan Intl

15h 55m2 stops Madrid Barajas New York John F Kennedy Intl

$1,455Iberia

Booking Insights

Price, demand and travel trends for Boston to Bilbao flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Boston to Bilbao?: Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Boston to Bilbao. It’s 30% cheaper than the average day, while Saturday is the most expensive, with prices 17% higher.
What’s the cheapest month to fly from Boston to Bilbao? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Boston to Bilbao, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •January is the cheapest month to fly from Boston to Bilbao at $528 round-trip.
•July ($1,058) and February ($979) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are flights from Boston to Bilbao the cheapest?: Flights from Boston to Bilbao are cheapest 6 weeks before departure. Booking in this window typically costs about 13% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	February
High season	August
Cheapest flight	$315

Beat the crowds with an average 84% drop in travelers.

The most popular month to fly with an average 146% increase in travelers.

One-way flight from Boston to Bilbao

When to book flights from Boston to Bilbao

Are your dates flexible? Find out the best times to travel from Boston to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Boston to Bilbao?
Three cabin classes are available on flights from Boston to Bilbao:

• Economy Class
• Premium Economy Class
• Business Class
How long is a flight from Boston to Bilbao?
A nonstop flight from Boston to Bilbao takes 00m, covering 3,348 miles.
Do I need a passport to fly from Boston to Bilbao?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Boston to Bilbao flight?
Round-trip flights from Boston to Bilbao range from $735 to $1,086, with an average of $941 over the past 12 months. Anything below $735 counts as a good deal.
How expensive are last-minute Boston to Bilbao flights?
Last-minute fares on this route (booked within two weeks of departure) are 11% below the route average of $941. Booking late can sometimes save you money, but inventory is limited.
How are flight prices from Boston to Bilbao looking right now?
One-way fares from Boston to Bilbao are currently lower than usual. Average one-way flight prices are about $394, which is 20% below the typical average for this route.
What car rental options are available at Bilbao Airport (BIO)?
Bilbao Airport (BIO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

• Record go
• Goldcar Rental SP
• CLICK RENT
• Rentbycar
• Centauro
Which airports can I use when flying from Boston to Bilbao?
Flights from Boston to Bilbao usually depart from Boston Logan Intl (BOS) and arrive at Bilbao (BIO).
Which airports do connecting flights from Boston to Bilbao pass through?
One-stop flights from Boston to Bilbao most commonly connect through:

• Madrid Barajas (MAD) - 31% of one-stop connections
• Paris Charles de Gaulle (CDG) - 24% of one-stop connections
• Amsterdam Schiphol (AMS) - 22% of one-stop connections
• Barcelona-El Prat (BCN) - 9% of one-stop connections
Can I save money by using flexible dates for flights from Boston to Bilbao?
Yes. Flexible dates can save you up to 40% on flights from Boston to Bilbao. Tuesday is the cheapest departure day at $668 round-trip on average, while Saturday is the most expensive at $1,108, a difference of $440.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Boston to Bilbao?
Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 10h 34m, compared with 11h 06m via Newark (EWR) and 11h 23m via Paris Charles de Gaulle (CDG).
What is the time difference between Boston and Bilbao?
Bilbao is 6 hours ahead of Boston (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $668, about $440 less than Saturday fares (40% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 13% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Boston to Bilbao trip for January. Fares historically average $528 round-trip in that month - typically $530 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Boston to Bilbao

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Bilbao with a hotel stay or car rental

Car rentals in Bilbao

Hotels in Bilbao

Vacations in Bilbao

BOS - BIO

$315 Find Cheap Flights from Boston to Bilbao - Compare and Save

Everything you should know

Cheap Flights from Boston to Bilbao (BOS-BIO)

Recent round-trip flight deals from Boston to Bilbao

Recent one-way flight deals from Boston to Bilbao

Recent last minute flight deals from Boston to Bilbao

Price, demand and travel trends for Boston to Bilbao flights

What's the cheapest day of the week to fly from Boston to Bilbao?

What’s the cheapest month to fly from Boston to Bilbao?

When are flights from Boston to Bilbao the cheapest?

Which airline is the cheapest to fly from Boston to Bilbao?

What’s the most popular layover airport when flying from Boston to Bilbao?

What is the cheapest layover airport when flying from Boston to Bilbao?

When flying from Boston to Bilbao which airport offers the shortest layover?

Key details for Boston to Bilbao flights

Low season

High season

Cheapest flight

When to book flights from Boston to Bilbao

Your Boston to Bilbao flight questions, answered

Your guide to booking Boston to Bilbao flights

More options for your flight from Boston to Bilbao

Complete your trip to Bilbao with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Boston to Bilbao

Find direct flights to and from Boston and Bilbao

Flights from domestic origins to Bilbao

Flights to other popular destinations

Find deals for your return flight