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Cheap flights from St. Louis to Bilbao from $403

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 7/26. 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.
Multiple Airlines Logo
1:03 pm - 9:50 am
STL
-
BIO
13h 47m
2 stops
Multiple Airlines Logo
6:45 am - 4:42 pm
BIO
-
STL
16h 57m
2 stops
$644Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
British Airways Logo
12:27 pm - 12:45 pm
STL
-
BIO
17h 18m
2 stops
British Airways Logo
9:35 pm - 5:03 pm
BIO
-
STL
26h 28m
2 stops
$664British Airways
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
11:06 am - 11:15 pm
STL
-
BIO
29h 09m
2 stops
Multiple Airlines Logo
6:45 am - 10:24 pm
BIO
-
STL
22h 39m
2 stops
$665Multiple Airlines
Tue, Apr 21 - Wed, Apr 29
American Airlines Logo
9:10 am - 8:30 am
STL
-
BIO
16h 20m
2 stops
American Airlines Logo
9:15 am - 7:33 pm
BIO
-
STL
17h 18m
2 stops
$809American Airlines
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
12:15 pm - 11:10 am
STL
-
BIO
15h 55m
2 stops
United Airlines Logo
6:50 am - 1:25 pm
BIO
-
STL
13h 35m
1 stop
$889United Airlines
Tue, Apr 21 - Wed, Apr 29
Lufthansa Logo
3:30 pm - 5:15 pm
STL
-
BIO
18h 45m
1 stop
Lufthansa Logo
6:50 am - 1:25 pm
BIO
-
STL
13h 35m
1 stop
$939Lufthansa
Wed, Apr 22 - Wed, Apr 29
United Airlines Logo
10:00 am - 5:55 pm
STL
-
BIO
24h 55m
2 stops
United Airlines Logo
6:45 am - 6:11 pm
BIO
-
STL
18h 26m
2 stops
$980United Airlines
Fri, Apr 3 - Fri, Apr 10
Multiple Airlines Logo
10:00 am - 11:10 am
STL
-
BIO
18h 10m
3 stops
Multiple Airlines Logo
6:50 am - 3:25 pm
BIO
-
STL
39h 35m
2 stops
$1,024Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
12:15 pm - 10:50 pm
STL
-
BIO
27h 35m
2 stops
United Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$1,033United Airlines
Fri, Apr 3 - Fri, Apr 10
United Airlines Logo
11:15 am - 1:00 pm
STL
-
BIO
18h 45m
2 stops
United Airlines Logo
6:45 am - 3:25 pm
BIO
-
STL
39h 40m
2 stops
$1,041United Airlines
Fri, Apr 3 - Fri, Apr 10

United Airlines flights from St. Louis to Bilbao

Our best United Airlines deals on St. Louis to Bilbao flight tickets
United Airlines
Apr 21
STL12:15 pmLambert-St Louis
15h 55m
2 stops
BIO11:10 amBilbao
Apr 29
BIO6:50 amBilbao
13h 35m
1 stop
STL1:25 pmLambert-St Louis
$889
United Airlines
Apr 3
STL10:00 amLambert-St Louis
24h 55m
2 stops
BIO5:55 pmBilbao
Apr 10
BIO6:45 amBilbao
18h 26m
2 stops
STL6:11 pmLambert-St Louis
$980
United Airlines
Apr 3
STL12:15 pmLambert-St Louis
27h 35m
2 stops
BIO10:50 pmBilbao
Apr 10
BIO6:45 amBilbao
13h 40m
1 stop
STL1:25 pmLambert-St Louis
$1,033

Air Canada flights from St. Louis to Bilbao

Our best Air Canada deals on St. Louis to Bilbao flight tickets
Air Canada
Apr 21
STL4:05 pmLambert-St Louis
18h 05m
2 stops
BIO5:10 pmBilbao
Apr 29
BIO6:50 amBilbao
19h 41m
3 stops
STL7:31 pmLambert-St Louis
$1,206
Air Canada
Apr 22
STL11:15 amLambert-St Louis
19h 00m
3 stops
BIO1:15 pmBilbao
Apr 29
BIO6:50 amBilbao
15h 35m
2 stops
STL3:25 pmLambert-St Louis
$1,211
Air Canada
Apr 22
STL10:00 amLambert-St Louis
20h 15m
3 stops
BIO1:15 pmBilbao
Apr 29
BIO6:50 amBilbao
19h 41m
3 stops
STL7:31 pmLambert-St Louis
$1,231

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 March 11, 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

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 4/22

1:03 pm-9:50 am

2 stops13h 47m

Bilbao

Wed 4/29

6:45 am-4:42 pm

2 stops16h 57m

$644

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 4/20

12:27 pm-12:45 pm

2 stops17h 18m

Bilbao

Mon 4/27

9:35 pm-5:03 pm

2 stops26h 28m

$664

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 4/21

11:06 am-11:15 pm

2 stops29h 09m

Bilbao

Wed 4/29

6:45 am-10:24 pm

2 stops22h 39m

$665

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Thu 4/23

9:10 am-8:30 am

2 stops16h 20m

Bilbao

Thu 4/30

9:15 am-7:33 pm

2 stops17h 18m

$809
Quickest round-trip

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 4/21

12:15 pm-11:10 am

2 stops15h 55m

Bilbao

Wed 4/29

6:50 am-1:25 pm

1 stop13h 35m

$889

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Wed 4/22

3:30 pm-5:15 pm

1 stop18h 45m

Bilbao

Wed 4/29

6:50 am-1:25 pm

1 stop13h 35m

$939

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 4/3

10:00 am-5:55 pm

2 stops24h 55m

Bilbao

Fri 4/10

6:45 am-6:11 pm

2 stops18h 26m

$980

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 4/20

10:00 am-11:10 am

3 stops18h 10m

Bilbao

Mon 4/27

6:50 am-3:25 pm

2 stops39h 35m

$1,024

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 4/3

12:15 pm-10:50 pm

2 stops27h 35m

Bilbao

Fri 4/10

6:45 am-1:25 pm

1 stop13h 40m

$1,033

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 4/3

11:15 am-1:00 pm

2 stops18h 45m

Bilbao

Fri 4/10

6:45 am-3:25 pm

2 stops39h 40m

$1,041

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on St. Louis to Bilbao flights?

You could potentially save up to 11% on your flight if you consider stops on a St. Louis to Bilbao flight.

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

29h 09m

Direct flights

None
The fastest flight from St. Louis to Bilbao takes 29h 09m
There are no direct flights from St. Louis to Bilbao. There are no popular flight routes from St. Louis to Bilbao.
Search flight deals

  • 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 29h 09m.

  • 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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