St. Louis

$776+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — STL
jun. 17 — jun. 241
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 junio 12, 2025.

Round-trip from

$776
(United Airlines)
From Bilbao to Lambert-St Louis

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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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. 6/266:45 amBIO - STL
2 stops23h 00mUnited Airlines
jue. 7/101:04 pmSTL - BIO
2 stops14h 41mUnited Airlines
Deal found 6/11$776
This lol.travel deal was found by Cheapflights users on 6/11. 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.
jue. 6/266:45 amBIO - STL
2 stops40h 02mLufthansa
jue. 7/1011:24 amSTL - BIO
1 stop16h 21mLufthansa
Deal found 6/11$779
This Iberia deal was found by Cheapflights users on 6/10. 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.
lun. 6/235:35 pmBIO - STL
2 stops46h 56mIberia
mar. 7/88:37 amSTL - BIO
2 stops27h 13mIberia
Deal found 6/10$884
This Air Canada deal was found by Cheapflights users on 6/11. 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.
mar. 6/246:45 amBIO - STL
2 stops20h 13mAir Canada
vie. 7/111:30 pmSTL - BIO
2 stops21h 20mAir Canada
Deal found 6/11$941
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/2512:00 pmBIO - STL
2 stops18h 27mKLM
vie. 7/115:37 pmSTL - BIO
2 stops15h 53mKLM
Deal found 6/11$958
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/2512:00 pmBIO - STL
2 stops18h 36mDelta
sáb. 7/1210:30 amSTL - BIO
2 stops17h 25mDelta
Deal found 6/11$975
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/236:45 amBIO - STL
2 stops24h 09mAmerican Airlines
mié. 7/910:08 amSTL - BIO
2 stops23h 47mAmerican Airlines
Deal found 6/11$993
This Air France deal was found by Cheapflights users on 6/10. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/136:50 amBIO - STL
2 stops17h 17mMultiple Airlines
jue. 6/266:04 pmSTL - BIO
2 stops15h 36mMultiple Airlines
Deal found 6/10$1,128
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/116:25 pmBIO - STL
2 stops35h 20mTurkish Airlines
jue. 6/268:00 amSTL - BIO
2 stops20h 05mTurkish Airlines
Deal found 6/10$1,470

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 junio 12, 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

jue. 6/26

6:45 am-10:45 pm

2 stops23h 00m

Lambert-St Louis

mar. 7/8

10:00 am-10:45 am

2 stops17h 45m

$776

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

jue. 6/26

6:45 am-3:47 pm

2 stops40h 02m

Lambert-St Louis

jue. 7/10

11:24 am-10:45 am

1 stop16h 21m

$779

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

lun. 6/23

5:35 pm-9:31 am

2 stops46h 56m

Lambert-St Louis

mar. 7/8

8:37 am-6:50 pm

2 stops27h 13m

$884

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

mar. 6/24

6:45 am-7:58 pm

2 stops20h 13m

Lambert-St Louis

vie. 7/11

1:30 pm-5:50 pm

2 stops21h 20m

$941

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

mié. 6/25

12:00 pm-11:27 pm

2 stops18h 27m

Lambert-St Louis

vie. 7/11

5:37 pm-4:30 pm

2 stops15h 53m

$958

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

mié. 6/25

12:00 pm-11:36 pm

2 stops18h 36m

Lambert-St Louis

sáb. 7/12

10:30 am-10:55 am

2 stops17h 25m

$975

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

lun. 6/23

6:45 am-11:54 pm

2 stops24h 09m

Lambert-St Louis

mié. 7/9

10:08 am-4:55 pm

2 stops23h 47m

$993

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

mié. 6/25

7:55 am-11:53 pm

2 stops22h 58m

Lambert-St Louis

vie. 7/11

3:30 pm-6:25 pm

1 stop19h 55m

$1,319

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

dom. 6/22

6:30 pm-10:45 pm

2 stops35h 15m

Lambert-St Louis

mié. 7/9

8:00 am-5:25 pm

2 stops26h 25m

$1,613

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Cheapflights Insights

Everything you need to know about your flight from Bilbao to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Bilbao to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 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.
  • What are the cheapest airlines flying from Bilbao to St. Louis round-trip?

    Cheapflights users have booked flights from Bilbao to St. Louis round-trip from $776. Other airlines that can offer you cheap pricing are Lufthansa, from $779, and Iberia, from $884.

  • 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 Bilbao?

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

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.

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.