Cheap flights from Spain to St. Louis from $506

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to St. Louis departing on 8/21. 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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Find the cheapest flights from Spain to St. Louis

Recent round-trip flight deals from Spain to St. Louis

 Logo
5:45 pm - 1:30 pmBCN-STL
26h 45m2 stops
 Logo
1:30 pm - 12:30 pmSTL-BCN
16h 00m2 stops
Sat, Aug 30 - Sat, Sep 6
United Airlines Logo
6:50 am - 8:46 pmBCN-STL
20h 56m2 stops
United Airlines Logo
5:30 pm - 1:15 pmSTL-BCN
12h 45m1 stop
$770United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
6:50 am - 8:46 pmBCN-STL
20h 56m2 stops
United Airlines Logo
5:15 am - 6:10 pmSTL-BCN
29h 55m2 stops
$773United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
British Airways Logo
12:40 pm - 4:07 pmMAD-STL
34h 27m1 stop
British Airways Logo
4:39 pm - 1:35 pmSTL-MAD
13h 56m2 stops
$776British Airways
Find Deal
Thu, Dec 4 - Mon, Dec 8
British Airways Logo
12:40 pm - 10:50 pmMAD-STL
17h 10m1 stop
British Airways Logo
7:59 pm - 1:25 pmSTL-MAD
10h 26m1 stop
$778British Airways
Find Deal
Thu, Sep 4 - Mon, Sep 8
Scandinavian Airlines Logo
7:10 pm - 11:39 pmBCN-STL
35h 29m2 stops
Scandinavian Airlines Logo
1:30 pm - 6:20 pmSTL-BCN
21h 50m2 stops
$782Scandinavian Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Air Canada Logo
8:35 am - 7:57 pmMAD-STL
18h 22m2 stops
Air Canada Logo
9:15 am - 6:40 amSTL-MAD
14h 25m2 stops
$801Air Canada
Find Deal
Thu, Sep 4 - Mon, Sep 8
Delta Logo
6:00 am - 4:32 pmMAD-STL
16h 32m2 stops
Delta Logo
6:00 am - 9:00 amSTL-MAD
20h 00m1 stop
$818Delta
Find Deal
Sat, Nov 1 - Mon, Dec 1
Air Canada Logo
12:10 pm - 8:00 pmBCN-STL
14h 50m1 stop
Air Canada Logo
6:42 pm - 10:45 amSTL-BCN
33h 03m2 stops
$984Air Canada
Find Deal
Fri, Aug 22 - Sat, Dec 13
Delta Logo
6:20 am - 4:35 pmBCN-STL
17h 15m2 stops
Delta Logo
4:27 pm - 5:00 pmSTL-BCN
17h 33m2 stops
$985Delta
Find Deal
Sat, Aug 23 - Sun, Dec 14

Lufthansa flights from Spain to St. Louis

Our best Lufthansa deals on Spain to St. Louis flight tickets
Lufthansa
Nov 12
AGP12:50 pmMalaga
41h 54m
2 stops
STL11:44 pmLambert-St Louis
Nov 16
STL3:50 pmLambert-St Louis
17h 20m
1 stop
AGP4:10 pmMalaga
Lufthansa
Nov 12
AGP12:50 pmMalaga
41h 54m
2 stops
STL11:44 pmLambert-St Louis
Nov 16
STL3:50 pmLambert-St Louis
17h 20m
1 stop
AGP4:10 pmMalaga
Lufthansa
Dec 23
BCN6:20 pmBarcelona-El Prat
26h 35m
2 stops
STL1:55 pmLambert-St Louis
Jan 5
STL11:05 amLambert-St Louis
18h 55m
2 stops
BCN1:00 pmBarcelona-El Prat

British Airways flights from Spain to St. Louis

Our best British Airways deals on Spain to St. Louis flight tickets
British Airways
Dec 4
MAD12:40 pmMadrid Barajas
34h 27m
1 stop
STL4:07 pmLambert-St Louis
Dec 8
STL4:39 pmLambert-St Louis
13h 56m
2 stops
MAD1:35 pmMadrid Barajas
British Airways
Sep 4
MAD12:40 pmMadrid Barajas
17h 10m
1 stop
STL10:50 pmLambert-St Louis
Sep 8
STL7:59 pmLambert-St Louis
10h 26m
1 stop
MAD1:25 pmMadrid Barajas
British Airways
Dec 4
MAD12:50 pmMadrid Barajas
15h 57m
2 stops
STL9:47 pmLambert-St Louis
Dec 8
STL4:39 pmLambert-St Louis
17h 16m
2 stops
MAD4:55 pmMadrid Barajas

momondo Fare Finder

 
Customize your flight search to find flights from Spain 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 August 2, 2025.
Use the filters below to find and compare flights from Spain to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 8/30

5:45 pm-1:30 pm

2 stops26h 45m

Lambert-St Louis

Sat 9/6

1:30 pm-12:30 pm

2 stops16h 00m

$752

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 8/28

6:50 am-8:46 pm

2 stops20h 56m

Lambert-St Louis

Mon 9/1

5:30 pm-1:15 pm

1 stop12h 45m

$770

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 8/28

6:50 am-8:46 pm

2 stops20h 56m

Lambert-St Louis

Mon 9/1

5:15 am-6:10 pm

2 stops29h 55m

$773

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 12/4

12:40 pm-4:07 pm

1 stop34h 27m

Lambert-St Louis

Mon 12/8

4:39 pm-1:35 pm

2 stops13h 56m

$776

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 9/4

12:40 pm-10:50 pm

1 stop17h 10m

Lambert-St Louis

Mon 9/8

7:59 pm-1:25 pm

1 stop10h 26m

$778

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 11/12

7:10 pm-11:39 pm

2 stops35h 29m

Lambert-St Louis

Mon 11/17

1:30 pm-6:20 pm

2 stops21h 50m

$782

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 9/4

8:35 am-7:57 pm

2 stops18h 22m

Lambert-St Louis

Mon 9/8

9:15 am-6:40 am

2 stops14h 25m

$801

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sat 11/1

6:00 am-4:32 pm

2 stops16h 32m

Lambert-St Louis

Mon 12/1

6:00 am-9:00 am

1 stop20h 00m

$818

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 8/22

12:10 pm-8:00 pm

1 stop14h 50m

Lambert-St Louis

Sat 12/13

6:42 pm-10:45 am

2 stops33h 03m

$984

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 8/23

6:20 am-4:35 pm

2 stops17h 15m

Lambert-St Louis

Sun 12/14

4:27 pm-5:00 pm

2 stops17h 33m

$985

Flights are sorted by cheapest round-trip flights first.

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See travel insights to St. Louis from

How to get the cheapest flight ticket from Spain 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 month to fly to St. Louis?

In general, October is the cheapest month to fly from Spain to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $693. The month of March is another great option to travel to St. Louis, with average flight prices from Spain averaging around $720.

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

You could potentially save up to 18% on your flight if you consider stops on a Spain to St. Louis flight.

Cheap Spain to St. Louis flight deals and tips

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

Best Price Found

$506

Fastest flight time

13h 17m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Spain in the past 72 hours is $506. The best round-trip flight deal from Spain to St. Louis found on momondo in the last 72 hours is $752.
The fastest flight from Spain to St. Louis takes 13h 17m
There are no direct flights from Spain to St. Louis. Popular non-direct routes for this connection are Barcelona-El Prat Airport - Lambert-St Louis Airport, Madrid Barajas Airport - Lambert-St Louis Airport and Malaga Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

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

  • How old do you have to be to fly from Spain to Lambert-St Louis 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 Spain to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable 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
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
Grafton

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Spain to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Spain to St. Louis flights to just show those with flexible booking policies.

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

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 Spain to St. Louis.

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

Of course. momondo tracks the price of Spain to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
Thu 8/7
Thu 8/14

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