St. Louis

$390+ Cheap flights from Spain to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Jun 12 — Jun 191
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Cheap flight deals from Spain to St. Louis

Cheapest flights from Spain to St. Louis
Explore the most affordable flight options available from Spain to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:40 am
BCN
-
STL
1 stop13h 45m
Lufthansa
Tue 6/163:30 pm
STL
-
BCN
1 stop13h 25m
Lufthansa
Deal found 5/12$894
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:55 am
MAD
-
STL
1 stop14h 30m
Multiple Airlines
Sun 6/71:05 pm
STL
-
MAD
1 stop10h 45m
Multiple Airlines
Deal found 5/12$909
This Gotogate deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:50 am
BCN
-
STL
1 stop14h 05m
Lufthansa
Fri 11/203:50 pm
STL
-
BCN
1 stop14h 10m
Lufthansa
Deal found 5/9$910
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:40 am
BCN
-
STL
1 stop13h 45m
Multiple Airlines
Tue 6/22:15 pm
STL
-
BCN
1 stop12h 05m
Multiple Airlines
Deal found 5/12$913
This Gotogate deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:45 am
BIO
-
STL
1 stop13h 40m
Multiple Airlines
Tue 6/28:40 am
STL
-
BIO
2 stops19h 30m
Multiple Airlines
Deal found 5/13$914
This Gotogate deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:55 am
MAD
-
STL
1 stop14h 30m
Multiple Airlines
Thu 9/102:40 pm
STL
-
MAD
1 stop11h 10m
Multiple Airlines
Deal found 5/12$915
This Cheapflightsfares deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:05 am
MAD
-
STL
2 stops22h 25m
Lufthansa
Thu 6/1112:55 pm
STL
-
MAD
2 stops18h 15m
Lufthansa
Deal found 5/10$916
This lol.travel deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:40 am
BCN
-
STL
2 stops17h 45m
Air Canada
Tue 6/21:05 pm
STL
-
BCN
1 stop11h 55m
Air Canada
Deal found 5/11$919
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:45 am
BIO
-
STL
2 stops21h 53m
Delta
Tue 6/24:25 pm
STL
-
BIO
2 stops18h 05m
Delta
Deal found 5/13$932
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:55 am
MAD
-
STL
1 stop14h 30m
United Airlines
Sun 6/76:00 am
STL
-
MAD
1 stop20h 00m
United Airlines
Deal found 5/8$933
This Cheapflightsfares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:40 am
BCN
-
STL
2 stops16h 06m
Lufthansa
Thu 8/2712:59 pm
STL
-
BCN
1 stop17h 16m
Lufthansa
Deal found 5/11$933
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:55 am
MAD
-
STL
1 stop14h 30m
United Airlines
Sun 9/68:00 am
STL
-
MAD
2 stops17h 05m
United Airlines
Deal found 5/12$934

Find flight deals from Spain to St. Louis

Keep the following information in mind while searching for Spain to St. Louis flight deals. Data was last updated May 13, 2026.

Round-trip from

$894
(Gotogate)

One-way from

$390
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,002
From Spain to Lambert-St Louis
One-way flight from Spain to Lambert-St Louis
Highest demand for flights based on searches. 12% potential increase in price ($140 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
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

Cheapest round-trip

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 5/29

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Tue 6/2

2:15 pm-9:20 am

1 stop12h 05m

$913

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/29

6:45 am-1:25 pm

1 stop13h 40m

Lambert-St Louis

Tue 6/2

8:40 am-11:10 am

2 stops19h 30m

$914

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 5/29

6:40 am-1:25 pm

1 stop13h 45m

Lambert-St Louis

Tue 6/2

12:55 pm-8:20 am

1 stop12h 25m

$919

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 5/29

9:40 am-8:25 pm

2 stops17h 45m

Lambert-St Louis

Tue 6/2

2:15 pm-2:05 pm

2 stops16h 50m

$924

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Fri 5/29

6:45 am-9:38 pm

2 stops21h 53m

Lambert-St Louis

Tue 6/2

4:25 pm-5:30 pm

2 stops18h 05m

$932

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sun 8/30

5:55 am-1:25 pm

1 stop14h 30m

Lambert-St Louis

Sun 9/6

8:00 am-8:05 am

2 stops17h 05m

$934

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 5/29

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 6/2

6:00 am-9:00 am

1 stop20h 00m

$935

MálagaSt. Louis

AGP - STL

AGPSTL

Malaga

Mon 6/8

5:25 pm-4:46 pm

2 stops30h 21m

Lambert-St Louis

Mon 6/15

7:08 am-11:45 am

2 stops21h 37m

$936

MálagaSt. Louis

AGP - STL

AGPSTL

Malaga

Mon 6/1

5:25 pm-5:16 pm

2 stops30h 51m

Lambert-St Louis

Mon 6/15

7:08 am-11:45 am

2 stops21h 37m

$936

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 9/1

5:55 am-1:25 pm

1 stop14h 30m

Lambert-St Louis

Thu 9/10

7:01 am-6:50 am

3 stops16h 49m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 50 resultsSorted by cheapest first
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Best time to book a flight from Spain to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Spain with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Spain to St. Louis

What is the cheapest month to book a flight from Spain to St. Louis?

Currently, April is the cheapest month in which you can book a flight from Spain to St. Louis (average of $526). Flying from Spain to St. Louis in July is currently the most expensive (average of $986). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Spain to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Spain?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Spain.

  • How long is the flight from Spain to St. Louis?

    There are many flights that can get you from Spain to St. Louis in 13h 45m. Fly via Lufthansa, Air Canada, or Delta to get the fastest option. Spain and St. Louis are separated by a distance of 4638 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Spain to St. Louis one-way?

    The cheapest airlines for a one-way flight from Spain to St. Louis are American Airlines ($458), British Airways ($539), and Lufthansa ($645).

  • What are the most popular routes from Spain to St. Louis?

  • Can I find deals for flights from Spain to St. Louis that include hotel bookings?

    Yes. In addition to deals on Spain to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spain to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to St. Louis.

  • Can I find deals for business class flights from Spain to St. Louis?

    Yes. Cheapflights offers flight deals from Spain to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Spain to St. Louis?

    Currently, April is the cheapest month in which you can book a flight from Spain to St. Louis (average of $526). Flying from Spain to St. Louis in July is currently the most expensive (average of $986). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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