HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$761+ Cheap flights from Bilbao (BIO) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to St. Louis 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 Bilbao to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$761
(Iberia)
From Bilbao to Lambert-St Louis
Search Deals

Find flight deals from Bilbao to St. Louis

Cheapest flights from Bilbao to St. Louis
Explore the most affordable flight options available from Bilbao to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Iberia deal was found by Cheapflights users on 9/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:45 amBIO - STL
2 stops19h 42mIberia
Mon 11/108:39 amSTL - BIO
2 stops21h 11mIberia
Deal found 9/13$761
This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:35 pmBIO - STL
2 stops29h 41mIberia
Sun 10/59:56 amSTL - BIO
2 stops27h 54mIberia
Deal found 9/14$789
This lol.travel deal was found by Cheapflights users on 9/14. 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.
Wed 10/16:35 pmBIO - STL
2 stops52h 09mLufthansa
Sun 10/53:30 pmSTL - BIO
1 stop19h 55mLufthansa
Deal found 9/14$933
This Brussels Airlines deal was found by Cheapflights users on 9/14. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:55 pmBIO - STL
2 stops33h 14mBrussels Airlines
Sun 10/51:05 pmSTL - BIO
3 stops44h 00mBrussels Airlines
Deal found 9/14$1,212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to St. Louis 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 15, 2025.
Use the filters below to find and compare flights from Bilbao to St. Louis that are best for you.

Fly from

Bilbao

Fly to

St. Louis

Route

Depart

Return

Price

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 11/6

6:45 am-7:27 pm

2 stops19h 42m

Lambert-St Louis

Mon 11/10

8:39 am-12:50 pm

2 stops21h 11m

$761

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Wed 10/1

9:35 pm-8:16 pm

2 stops29h 41m

Lambert-St Louis

Sun 10/5

9:56 am-8:50 pm

2 stops27h 54m

$789

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Wed 10/1

6:35 pm-3:44 pm

2 stops52h 09m

Lambert-St Louis

Sun 10/5

3:30 pm-6:25 pm

1 stop19h 55m

$933

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Wed 10/1

4:55 pm-7:09 pm

3 stops57h 14m

Lambert-St Louis

Sun 10/5

1:05 pm-4:05 pm

3 stops44h 00m

$1,255

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Bilbao to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bilbao 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.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bilbao to St. Louis?

    Iberia and Lufthansa can get you from Bilbao to St. Louis in just under 19h 42m. Your travel time can differ by up to 32h 27m. Bilbao and St. Louis are separated by a distance of 4348 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Bilbao to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Bilbao to St. Louis?

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

  • Can I find deals for business class flights from Bilbao to St. Louis?

    Yes. Cheapflights offers flight deals from Bilbao to St. Louis 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 Bilbao to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Bilbao to St. Louis (average of $311). Flying from Bilbao to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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 Bilbao to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Bilbao to Kansas City flights

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.