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Cheap flights from St. Louis to Bilbao from $457

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Bilbao departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
7:01 pm - 4:30 pm
STL
-
BIO
14h 29m
2 stops
KLM Logo
6:45 am - 4:10 pm
BIO
-
STL
16h 25m
2 stops
$1,093KLM
Mon, May 18 - Wed, May 27
United Airlines Logo
2:15 pm - 10:25 pm
STL
-
BIO
25h 10m
2 stops
United Airlines Logo
6:50 am - 1:25 pm
BIO
-
STL
13h 35m
1 stop
$1,098United Airlines
Mon, May 18 - Wed, May 27
Multiple Airlines Logo
7:05 am - 12:50 pm
STL
-
BIO
22h 45m
3 stops
Multiple Airlines Logo
9:00 pm - 8:25 pm
BIO
-
STL
30h 25m
3 stops
$1,440Multiple Airlines
Mon, May 18 - Wed, May 27
Multiple Airlines Logo
7:05 am - 11:00 pm
STL
-
BIO
32h 55m
3 stops
Multiple Airlines Logo
7:15 am - 8:25 pm
BIO
-
STL
20h 10m
2 stops
$1,484Multiple Airlines
Mon, May 18 - Wed, May 27

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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, momondo users made 832,500 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from St. Louis to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 5/18

7:01 pm-4:30 pm

2 stops14h 29m

Bilbao

Wed 5/27

6:45 am-4:10 pm

2 stops16h 25m

$1,093

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 5/18

2:15 pm-10:25 pm

2 stops25h 10m

Bilbao

Wed 5/27

6:50 am-1:25 pm

1 stop13h 35m

$1,098

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 5/18

7:05 am-12:50 pm

3 stops22h 45m

Bilbao

Wed 5/27

9:00 pm-8:25 pm

3 stops30h 25m

$1,440

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 5/18

7:05 am-11:00 pm

3 stops32h 55m

Bilbao

Wed 5/27

7:15 am-8:25 pm

2 stops20h 10m

$1,484
Cheapest one-way

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 7/24

6:01 am-5:55 pm

2 stops28h 54m

$457
Quickest one-way

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 7/24

3:30 pm-10:50 pm

1 stop24h 20m

$480

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 7/24

3:30 pm-8:15 am

3 stops57h 45m

$582

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bilbao from

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

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 Lambert-St Louis to Bilbao?

Lufthansa is the most popular carrier operating from Lambert-St Louis to Bilbao

When to book flights from St. Louis to Bilbao

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

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

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

Fastest flight time

14h 29m

Direct flights

None
The fastest flight from St. Louis to Bilbao takes 14h 29m
There are no direct flights from St. Louis to Bilbao. There are no popular flight routes from St. Louis to Bilbao.
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Frequently asked questions about flying from St. Louis to Bilbao

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

    A flight from Lambert-St Louis to Bilbao will travel around 4345.5 mi. By plane, this route typically takes 14h 29m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

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

It is quick and easy to find St. Louis to Bilbao flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bilbao that suits you.

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

Flights from St. Louis to Bilbao 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 St. Louis to Bilbao?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Bilbao.

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

Yes. momondo can track prices for St. Louis to Bilbao flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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