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

$799+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — STL
ene. 25 — feb. 11
dom. 1/25
dom. 2/1
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

Best flights from Bilbao to St. Louis
Discover carefully curated flight deals from Bilbao to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 26, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/411:35 amBIO - STL
2 stops18h 23mUnited Airlines
dom. 2/84:49 pmSTL - BIO
2 stops40h 51mUnited Airlines
Deal found 12/25$804
This Kissandfly.com deal was found by Cheapflights users on 12/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/99:40 amBIO - STL
2 stops21h 19mMultiple Airlines
mar. 1/1312:44 pmSTL - BIO
2 stops15h 06mMultiple Airlines
Deal found 12/23$964
This Kissandfly.com deal was found by Cheapflights users on 12/25. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/107:25 amBIO - STL
2 stops19h 02mLufthansa
mié. 1/1412:44 pmSTL - BIO
2 stops15h 06mLufthansa
Deal found 12/25$1,132
This United Airlines deal was found by Cheapflights users on 12/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/227:40 amBIO - STL
2 stops20h 18mUnited Airlines
jue. 1/2911:20 amSTL - BIO
2 stops17h 40mUnited Airlines
Deal found 12/25$805
This Air Canada deal was found by Cheapflights users on 12/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/96:45 amBIO - STL
3 stops21h 28mAir Canada
mar. 1/139:57 amSTL - BIO
3 stops19h 08mAir Canada
Deal found 12/23$1,712
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2111:35 amBIO - STL
2 stops18h 23mUnited Airlines
dom. 1/253:50 pmSTL - BIO
1 stop17h 50mUnited Airlines
Deal found 12/23$846
This Air Canada deal was found by Cheapflights users on 12/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 1/107:25 amBIO - STL
3 stops34h 37mMultiple Airlines
mié. 1/144:05 pmSTL - BIO
2 stops36h 55mMultiple Airlines
Deal found 12/25$2,064
This Lufthansa deal was found by Cheapflights users on 12/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 1/96:45 amBIO - STL
1 stop14h 10mLufthansa
mar. 1/136:40 pmSTL - BIO
2 stops20h 15mLufthansa
Deal found 12/23$2,181

Find 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 diciembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$799
(Air Canada)
Provider with most accurate pricing for Bilbao-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-Lambert-St Louis flights.
Search Deals
From Bilbao to Lambert-St Louis
Search Deals

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 diciembre 26, 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

mié. 2/4

11:35 am-10:58 pm

2 stops18h 23m

Lambert-St Louis

dom. 2/8

4:49 pm-4:40 pm

2 stops40h 51m

$804

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

jue. 1/22

7:40 am-8:58 pm

2 stops20h 18m

Lambert-St Louis

jue. 1/29

11:20 am-12:00 pm

2 stops17h 40m

$805

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

mié. 1/21

11:35 am-10:58 pm

2 stops18h 23m

Lambert-St Louis

dom. 1/25

3:50 pm-4:40 pm

1 stop17h 50m

$846

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

vie. 1/9

9:40 am-11:59 pm

2 stops21h 19m

Lambert-St Louis

mar. 1/13

12:44 pm-10:50 am

2 stops15h 06m

$964

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

sáb. 1/10

7:25 am-7:27 pm

2 stops19h 02m

Lambert-St Louis

mié. 1/14

12:44 pm-10:50 am

2 stops15h 06m

$1,132

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

vie. 1/9

6:45 am-9:13 pm

3 stops21h 28m

Lambert-St Louis

mar. 1/13

9:57 am-12:05 pm

3 stops19h 08m

$1,712

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

sáb. 1/10

7:25 am-11:02 am

3 stops34h 37m

Lambert-St Louis

mié. 1/14

4:05 pm-12:00 pm

2 stops36h 55m

$2,064

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

vie. 1/9

6:45 am-1:55 pm

1 stop14h 10m

Lambert-St Louis

mar. 1/13

6:40 pm-9:55 pm

2 stops20h 15m

$2,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Compare providers for flights from Bilbao to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bilbao to St. Louis in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bilbao-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

    United Airlines can get you from Bilbao to St. Louis in just under 18h 23m. Your travel time can differ by up to . Bilbao and St. Louis are separated by a distance of 4348 mi.

  • 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.

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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
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.