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Cheap flights from Bilbao to St. Louis from $516

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bilbao to St. Louis departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Bilbao to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
Multiple Airlines Logo
1:05 pm - 5:55 pm
STL
-
BIO
21h 50m
2 stops
$914Multiple Airlines
Fri, May 22 - Tue, May 26
Lufthansa Logo
6:45 am - 3:46 pm
BIO
-
STL
16h 01m
2 stops
Lufthansa Logo
1:13 pm - 1:20 pm
STL
-
BIO
17h 07m
2 stops
$923Lufthansa
Fri, May 22 - Tue, May 26
Multiple Airlines Logo
8:20 am - 12:06 pm
BIO
-
STL
34h 46m
3 stops
Multiple Airlines Logo
7:05 am - 10:00 pm
STL
-
BIO
31h 55m
3 stops
$1,537Multiple Airlines
Fri, May 22 - Tue, May 26
Multiple Airlines Logo
8:20 am - 12:06 pm
BIO
-
STL
34h 46m
3 stops
Multiple Airlines Logo
2:15 pm - 5:25 pm
STL
-
BIO
20h 10m
2 stops
$1,766Multiple Airlines
Fri, May 22 - Tue, May 26
Multiple Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
Multiple Airlines Logo
9:35 pm - 6:35 pm
STL
-
BIO
14h 00m
1 stop
$3,288Multiple Airlines
Fri, May 22 - Tue, May 26

momondo 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, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Bilbao to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/22

6:45 am-1:25 pm

1 stop13h 40m

Lambert-St Louis

Tue 5/26

1:05 pm-5:55 pm

2 stops21h 50m

$914

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/22

6:45 am-3:46 pm

2 stops16h 01m

Lambert-St Louis

Tue 5/26

1:13 pm-1:20 pm

2 stops17h 07m

$923

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/22

8:20 am-12:06 pm

3 stops34h 46m

Lambert-St Louis

Tue 5/26

7:05 am-10:00 pm

3 stops31h 55m

$1,537

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/22

8:20 am-12:06 pm

3 stops34h 46m

Lambert-St Louis

Tue 5/26

2:15 pm-5:25 pm

2 stops20h 10m

$1,766
Quickest round-trip

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/22

6:45 am-1:25 pm

1 stop13h 40m

Lambert-St Louis

Tue 5/26

9:35 pm-6:35 pm

1 stop14h 00m

$3,288
Cheapest one-way

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Tue 9/1

10:20 am-12:14 am

3 stops44h 54m

$516

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Tue 9/1

6:05 pm-7:30 pm

2 stops32h 25m

$580

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 7/30

6:45 am-12:16 am

2 stops24h 31m

$868

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 7/30

6:45 am-12:16 am

2 stops24h 31m

$869

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 7/30

6:45 am-12:16 am

2 stops24h 31m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Bilbao to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Bilbao to Lambert-St Louis?

Aer Lingus and Finnair are the most popular carriers operating from Bilbao to Lambert-St Louis

When to book flights from Bilbao to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bilbao to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bilbao to St. Louis (BIO to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bilbao to St. Louis

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Bilbao to St. Louis takes 13h 40m
There are no direct flights from Bilbao to St. Louis. There are no popular flight routes from Bilbao to St. Louis.
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Frequently asked questions about flying from Bilbao to St. Louis

  • How far is Bilbao to Lambert-St Louis by plane?

    Lambert-St Louis is 4345.5 mi away from Bilbao. Flights usually cover this in 13h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Bilbao Airport to Lambert-St Louis Airport?

    Prices for flights from Bilbao Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Bilbao Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bilbao Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Bilbao to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bilbao to St. Louis for you.

Can I find flights from Bilbao to St. Louis with flexible booking policies on momondo?

Flights from Bilbao to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Bilbao to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Bilbao.

I’m not ready to book a flight from Bilbao to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Bilbao are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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