Bilbao

$209+ Cheap flights from the United States to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
Oct 17 — Oct 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to Bilbao with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to Bilbao

Keep the following information in mind while searching for USA to Bilbao flight deals. Data was last updated September 17, 2025.

Round-trip from

$334
(Flighttix)

One-way from

$209
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$677

Good round-trip deal

$1,011 or less

Good one-way deal

$588 or less
From USA to Bilbao
One-way flight from USA to Bilbao
High demand for flights, 2% potential price rise
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from USA to Bilbao.
Price to beat on a one-way flight from USA to Bilbao.

Find flight deals from USA to Bilbao

Cheapest flights from USA to Bilbao
Explore the most affordable flight options available from USA to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Flighttix deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:01 pmBOS - BIO
2 stops13h 29mIberia
Wed 10/2211:15 amBIO - BOS
1 stop16h 00mIberia
Deal found 9/17$334
This lol.travel deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:20 pmBOS - BIO
1 stop19h 55mFinnair
Tue 11/256:45 amBIO - BOS
1 stop14h 30mFinnair
Deal found 9/16$337
This Finnair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:20 pmBOS - BIO
1 stop19h 55mMultiple Airlines
Wed 10/226:45 amBIO - BOS
1 stop19h 05mMultiple Airlines
Deal found 9/17$343
This Flightnetwork deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amBOS - BIO
2 stops29h 50mAir Canada
Wed 10/227:15 amBIO - BOS
2 stops32h 15mAir Canada
Deal found 9/17$350
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:05 pmBOS - BIO
1 stop21h 20mLufthansa
Tue 10/287:25 amBIO - BOS
1 stop17h 10mLufthansa
Deal found 9/17$351
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:15 amBOS - BIO
2 stops25h 50mAir Canada
Tue 11/257:25 amBIO - BOS
2 stops32h 32mAir Canada
Deal found 9/16$357
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:05 pmBOS - BIO
1 stop21h 20mLufthansa
Tue 10/286:45 amBIO - BOS
1 stop12h 40mLufthansa
Deal found 9/16$360
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:40 pmBOS - BIO
1 stop16h 30mMultiple Airlines
Wed 10/297:25 amBIO - BOS
1 stop17h 10mMultiple Airlines
Deal found 9/16$361
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:05 pmBOS - BIO
1 stop21h 20mMultiple Airlines
Tue 10/287:25 amBIO - BOS
2 stops20h 12mMultiple Airlines
Deal found 9/17$366
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:45 pmJFK - BIO
1 stop26h 35mMultiple Airlines
Wed 11/267:10 amBIO - JFK
1 stop20h 50mMultiple Airlines
Deal found 9/16$367
This Finnair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:20 pmBOS - BIO
1 stop19h 55mMultiple Airlines
Mon 11/39:35 pmBIO - BOS
1 stop23h 40mMultiple Airlines
Deal found 9/17$379
This Flightnetwork deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:05 pmJFK - BIO
1 stop11h 55mAir Europa
Tue 10/2112:45 pmBIO - JFK
1 stop11h 00mAir Europa
Deal found 9/17$382

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from the United States to Bilbao that are best for you.

Fly from

USA

Fly to

Bilbao

Route

Depart

Return

Price

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 10/27

10:20 pm-11:15 pm

1 stop19h 55m

Bilbao

Mon 11/3

9:35 pm-3:15 pm

1 stop23h 40m

$379

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/26

8:40 pm-6:05 pm

1 stop15h 25m

Bilbao

Thu 12/4

11:35 am-6:35 pm

1 stop13h 00m

$383

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Mon 11/24

8:40 pm-11:05 pm

1 stop20h 25m

Bilbao

Tue 12/2

11:35 am-6:35 pm

1 stop13h 00m

$383

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Sun 12/28

8:40 pm-6:05 pm

1 stop15h 25m

Bilbao

Fri 1/9

11:35 am-6:35 pm

1 stop13h 00m

$384

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/26

11:59 am-6:05 pm

2 stops24h 06m

Bilbao

Tue 12/2

7:25 am-6:35 pm

1 stop17h 10m

$387

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 11/19

8:40 pm-11:05 pm

1 stop20h 25m

Bilbao

Mon 12/1

6:50 pm-6:35 pm

1 stop29h 45m

$393

BostonBilbao

BOS - BIO

BOSBIO

Boston Logan Intl

Wed 10/22

2:36 pm-4:05 pm

2 stops19h 29m

Bilbao

Wed 10/29

7:25 am-7:35 pm

1 stop17h 10m

$393

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Wed 10/15

10:20 pm-5:50 pm

1 stop13h 30m

Bilbao

Wed 10/22

11:50 am-7:25 pm

1 stop13h 35m

$414

New YorkBilbao

JFK - BIO

JFKBIO

New York John F Kennedy Intl

Sun 10/19

10:05 pm-4:00 pm

1 stop11h 55m

Bilbao

Tue 11/4

12:35 pm-5:50 pm

1 stop11h 15m

$415

NewarkBilbao

EWR - BIO

EWRBIO

Newark

Thu 11/6

6:30 pm-7:40 pm

2 stops19h 10m

Bilbao

Mon 11/10

7:30 pm-1:35 pm

2 stops24h 05m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

The best insider tips for theUnited States to Bilbao flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Bilbao trip
Airlines
United Airlines

United's Polaris Business Class includes lie-flat seats, Saks bedding, and upscale amenity kits.


United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international flights.

Iberia

Iberia's premium economy offers 37-inch legroom, footrests, and noise-canceling headphones on long-haul flights.


Iberia offers two hot meal options on long-haul flights, with special meals available on request.

Read more about Iberiaby Emily Zemler
Lufthansa

Lufthansa's Allegris economy offers 31-inch pitch, adjustable headrests, and enhanced seatback pockets.


Lufthansa's premium economy features hard-shell seats, generous recline, and upgraded meals on long-hauls.

Read more about Lufthansaby Blane Bachelor
Delta

Delta One features lie-flat seats with duvets, lumbar pillows, and premium food on long-haul routes.


Delta offers free Wi-Fi on most long-haul routes for SkyMiles members, enhancing connectivity.

Read more about Deltaby Harriet Baskas
KLM

KLM's Economy Comfort offers 4 extra inches of legroom, enhancing comfort on long-haul flights.


KLM's premium economy offers extra width, legroom, and upgraded service in a small mini-cabin.

Read more about KLMby Gabriel Leigh
Air Europa

Air Europa's XL seats offer extra legroom for a small fee, enhancing long-haul comfort.


Air Europa's Flex Fare includes free seat reservation, checked bag, and reservation changes.

Read more about Air Europaby Brandon Schultz
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and Delta

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Emily Zemler

Emily Zemler

Expert on Iberia

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on KLM

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Brandon Schultz

Brandon Schultz

Expert on Air Europa

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from USA to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to Bilbao

What is the cheapest month to book a flight from USA to Bilbao?

Currently, January is the cheapest month in which you can book a flight from USA to Bilbao (average of $541). Flying from USA to Bilbao in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to BIO?

Find hourly flight availability from USA to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from USA to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from the United States to Bilbao, such as Delta, KLM, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from USA to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Bilbao from United States?

    Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to Bilbao from United States.

  • How long is the flight from USA to Bilbao?

    Departing from USA to Bilbao will take you 11h 55m. The distance between USA and Bilbao is about 3530 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Bilbao one-way?

    One-way options have recently been found by users for as low as $229 on Scandinavian Airlines. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $249 and Iberia from $254 one-way.

  • What are the most popular routes from USA to Bilbao?

  • Can I find deals for flights from USA to Bilbao that include hotel bookings?

    Yes. In addition to deals on USA to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Bilbao.

  • Can I find deals for business class flights from USA to Bilbao?

    Yes. Cheapflights offers flight deals from USA to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from USA to Bilbao (average of $541). Flying from USA to Bilbao in June is currently the most expensive (average of $1,136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from USA to Bilbao

Discover the top 10 airlines that operate flights from USA to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$395Average$898FlexibilityNo cancel feeOn-time77%
Air EuropaCheapest$416Average$770FlexibilityNo cancel feeOn-time83%
LEVELCheapest$418Average$827FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$424Average$879FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$427Average$739FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$905FlexibilityNo cancel feeOn-time71%
KLMCheapest$467Average$935FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$513Average$944FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$528Average$883FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$535Average$1,008FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.