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Cheap flights from St. Louis to Bilbao from $576

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 6/19. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:30 pm - 1:20 pm
STL
-
BIO
14h 50m
1 stop
Lufthansa Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$732Lufthansa
Mon, Oct 5 - Fri, Oct 16
Multiple Airlines Logo
12:10 pm - 5:55 pm
STL
-
BIO
22h 45m
2 stops
Multiple Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$735Multiple Airlines
Mon, Oct 5 - Fri, Oct 16
United Airlines Logo
8:00 am - 5:55 pm
STL
-
BIO
26h 55m
2 stops
United Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$736United Airlines
Mon, Oct 5 - Fri, Oct 16
United Airlines Logo
12:20 pm - 4:00 pm
STL
-
BIO
20h 40m
2 stops
United Airlines Logo
6:45 am - 6:41 pm
BIO
-
STL
18h 56m
2 stops
$740United Airlines
Mon, Oct 5 - Fri, Oct 16
United Airlines Logo
3:30 pm - 1:20 pm
STL
-
BIO
14h 50m
1 stop
United Airlines Logo
6:45 am - 1:25 pm
BIO
-
STL
13h 40m
1 stop
$744United Airlines
Mon, Oct 5 - Fri, Oct 16
Multiple Airlines Logo
7:00 am - 10:45 am
STL
-
BIO
20h 45m
1 stop
Multiple Airlines Logo
6:50 am - 2:00 pm
BIO
-
STL
38h 10m
2 stops
$844Multiple Airlines
Tue, Sep 8 - Thu, Sep 24
Multiple Airlines Logo
12:59 pm - 5:55 pm
STL
-
BIO
21h 56m
2 stops
Multiple Airlines Logo
6:50 am - 8:00 pm
BIO
-
STL
20h 10m
2 stops
$851Multiple Airlines
Tue, Sep 8 - Thu, Sep 24
Lufthansa Logo
3:30 pm - 5:10 pm
STL
-
BIO
18h 40m
1 stop
Lufthansa Logo
5:55 pm - 1:25 pm
BIO
-
STL
26h 30m
1 stop
$1,102Lufthansa
Tue, Sep 8 - Thu, Sep 24
Iberia Logo
7:57 pm - 12:45 pm
STL
-
BIO
33h 48m
2 stops
Iberia Logo
5:35 pm - 9:09 am
BIO
-
STL
46h 34m
2 stops
$1,313Iberia
Fri, Jul 3 - Mon, Jul 13
Multiple Airlines Logo
8:55 am - 1:20 pm
STL
-
BIO
21h 25m
2 stops
Multiple Airlines Logo
12:15 pm - 2:00 pm
BIO
-
STL
32h 45m
3 stops
$1,321Multiple Airlines
Tue, Sep 8 - Thu, Sep 24

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United Airlines flights from St. Louis to Bilbao

Our best United Airlines deals on St. Louis to Bilbao flight tickets
United Airlines
Oct 5
STL3:11 pmLambert-St Louis
25h 14m
2 stops
BIO11:25 pmBilbao
Oct 16
BIO6:45 amBilbao
13h 40m
1 stop
STL1:25 pmLambert-St Louis
$736
United Airlines
Oct 5
STL12:20 pmLambert-St Louis
20h 40m
2 stops
BIO4:00 pmBilbao
Oct 16
BIO6:45 amBilbao
18h 56m
2 stops
STL6:41 pmLambert-St Louis
$740
United Airlines
Oct 5
STL3:30 pmLambert-St Louis
14h 50m
1 stop
BIO1:20 pmBilbao
Oct 16
BIO6:45 amBilbao
13h 40m
1 stop
STL1:25 pmLambert-St Louis
$744

Lufthansa flights from St. Louis to Bilbao

Our best Lufthansa deals on St. Louis to Bilbao flight tickets
Lufthansa
Oct 5
STL3:30 pmLambert-St Louis
14h 50m
1 stop
BIO1:20 pmBilbao
Oct 16
BIO6:45 amBilbao
13h 40m
1 stop
STL1:25 pmLambert-St Louis
$732
Lufthansa
Sep 8
STL3:30 pmLambert-St Louis
18h 40m
1 stop
BIO5:10 pmBilbao
Sep 24
BIO5:55 pmBilbao
26h 30m
1 stop
STL1:25 pmLambert-St Louis
$1,102
Lufthansa
Jul 3
STL3:30 pmLambert-St Louis
18h 30m
1 stop
BIO5:00 pmBilbao
Jul 13
BIO6:50 amBilbao
13h 35m
1 stop
STL1:25 pmLambert-St Louis
$1,663

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 June 14, 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 10/5

3:30 pm-1:20 pm

1 stop14h 50m

Bilbao

Fri 10/16

6:45 am-1:25 pm

1 stop13h 40m

$732

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 10/5

12:10 pm-5:55 pm

2 stops22h 45m

Bilbao

Fri 10/16

6:45 am-1:25 pm

1 stop13h 40m

$735

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 10/5

8:00 am-5:55 pm

2 stops26h 55m

Bilbao

Fri 10/16

6:45 am-1:25 pm

1 stop13h 40m

$736

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 10/5

12:20 pm-4:00 pm

2 stops20h 40m

Bilbao

Fri 10/16

6:45 am-6:41 pm

2 stops18h 56m

$740

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Mon 10/5

3:30 pm-1:20 pm

1 stop14h 50m

Bilbao

Fri 10/16

6:45 am-1:25 pm

1 stop13h 40m

$744

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 9/8

7:00 am-10:45 am

1 stop20h 45m

Bilbao

Thu 9/24

6:50 am-2:00 pm

2 stops38h 10m

$844

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 9/8

12:59 pm-5:55 pm

2 stops21h 56m

Bilbao

Thu 9/24

6:50 am-8:00 pm

2 stops20h 10m

$851

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 9/8

3:30 pm-5:10 pm

1 stop18h 40m

Bilbao

Thu 9/24

5:55 pm-1:25 pm

1 stop26h 30m

$1,102

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 7/3

7:57 pm-12:45 pm

2 stops33h 48m

Bilbao

Mon 7/13

5:35 pm-9:09 am

2 stops46h 34m

$1,313

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 9/8

8:55 am-1:20 pm

2 stops21h 25m

Bilbao

Thu 9/24

12:15 pm-2:00 pm

3 stops32h 45m

$1,321

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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?

British Airways and Lufthansa are the most popular carriers 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

20h 45m

Direct flights

None
The fastest flight from St. Louis to Bilbao takes 20h 45m
There are no direct flights from St. Louis to Bilbao. There are no popular flight routes from St. Louis to Bilbao.
Search flight deals

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 20h 45m.

  • 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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