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St. Louis

$398+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Find 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 November 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:50 amBCN - STL
1 stop15h 05mLufthansa
Tue 12/21:00 pmSTL - BCN
2 stops17h 00mLufthansa
Deal found 11/10$778
This lol.travel deal was found by Cheapflights users on 11/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amMAD - STL
1 stop14h 55mLufthansa
Tue 12/912:55 pmSTL - MAD
1 stop12h 10mLufthansa
Deal found 11/12$795
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:00 amMAD - STL
1 stop14h 55mUnited Airlines
Tue 12/910:00 amSTL - MAD
2 stops16h 15mUnited Airlines
Deal found 11/10$811
This Air Canada deal was found by Cheapflights users on 11/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:35 amMAD - STL
2 stops37h 54mMultiple Airlines
Tue 12/910:00 amSTL - MAD
2 stops15h 00mMultiple Airlines
Deal found 11/12$818
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:00 amBCN - STL
1 stop19h 42mUnited Airlines
Tue 12/28:30 amSTL - BCN
1 stop16h 50mUnited Airlines
Deal found 11/10$828
This United Airlines deal was found by Cheapflights users on 11/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:15 amMAD - STL
2 stops18h 30mUnited Airlines
Mon 12/810:00 amSTL - MAD
2 stops16h 15mUnited Airlines
Deal found 11/10$832
This Lufthansa deal was found by Cheapflights users on 11/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:00 pmMAD - STL
1 stop30h 55mLufthansa
Mon 12/811:50 amSTL - MAD
1 stop14h 25mLufthansa
Deal found 11/10$836
This Finnair deal was found by Cheapflights users on 11/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:00 pmMAD - STL
1 stop15h 28mMultiple Airlines
Thu 12/255:00 amSTL - MAD
1 stop17h 45mMultiple Airlines
Deal found 11/11$841
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:05 amAGP - STL
2 stops22h 53mDelta
Mon 12/110:45 amSTL - AGP
2 stops23h 10mDelta
Deal found 11/11$867
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:00 amMAD - STL
1 stop13h 35mDelta
Mon 12/81:57 pmSTL - MAD
2 stops14h 33mDelta
Deal found 11/10$874
This British Airways deal was found by Cheapflights users on 11/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:40 amBCN - STL
2 stops19h 03mBritish Airways
Wed 12/175:37 pmSTL - BCN
2 stops15h 53mBritish Airways
Deal found 11/12$921
This Lufthansa deal was found by Cheapflights users on 11/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:10 pmAGP - STL
1 stop27h 45mLufthansa
Mon 12/111:49 amSTL - AGP
2 stops21h 21mLufthansa
Deal found 11/11$937

Cheap 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 November 12, 2025.

Round-trip from

$775
(United Airlines)

One-way from

$398
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$826
From Spain to Lambert-St Louis
Search Deals
One-way flight from Spain to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 12, 2025.
Use the filters below to find and compare flights from Spain to St. Louis that are best for you.

Fly from

Spain

Fly to

St. Louis

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 2/5

5:50 am-7:27 pm

2 stops20h 37m

Lambert-St Louis

Sun 2/8

6:30 am-9:35 am

2 stops20h 05m

$775

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 2/5

5:50 am-10:58 pm

2 stops24h 08m

Lambert-St Louis

Sun 2/8

11:22 am-9:00 am

1 stop14h 38m

$781

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 11/28

5:50 am-1:55 pm

1 stop15h 05m

Lambert-St Louis

Tue 12/2

11:50 am-9:00 am

1 stop14h 10m

$788

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Fri 12/5

6:00 am-1:55 pm

1 stop14h 55m

Lambert-St Louis

Tue 12/9

12:55 pm-8:05 am

1 stop12h 10m

$795

MálagaSt. Louis

AGP - STL

AGPSTL

Malaga

Thu 2/5

5:10 pm-10:58 pm

2 stops36h 48m

Lambert-St Louis

Sun 2/8

6:40 pm-4:10 pm

2 stops38h 30m

$797

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 3/18

5:55 am-2:55 pm

1 stop15h 00m

Lambert-St Louis

Wed 4/22

8:30 am-8:05 am

1 stop16h 35m

$812

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 3/18

5:55 am-2:55 pm

1 stop15h 00m

Lambert-St Louis

Tue 4/21

8:26 am-9:00 am

2 stops17h 34m

$812

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 3/18

5:55 am-2:55 pm

1 stop15h 00m

Lambert-St Louis

Mon 4/27

8:30 am-8:05 am

1 stop16h 35m

$812

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 3/18

5:55 am-2:55 pm

1 stop15h 00m

Lambert-St Louis

Sun 4/26

10:00 am-8:05 am

2 stops15h 05m

$812

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 3/18

5:55 am-2:55 pm

1 stop15h 00m

Lambert-St Louis

Thu 4/23

7:45 am-8:05 am

2 stops17h 20m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 45 results
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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 $643). Flying from Spain to St. Louis in July is currently the most expensive (average of $930). 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.

What is the cheapest time of day to fly from ES to STL?

Find hourly flight availability from Spain to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Spain to St. Louis in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.

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 20h 37m. Fly via United Airlines, Lufthansa, 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 most popular routes from Spain to St. Louis?

    While some choose either Barcelona-El Prat - Lambert-St Louis or Malaga - Lambert-St Louis, Madrid Barajas - Lambert-St Louis is the most popular route 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 $643). Flying from Spain to St. Louis in July is currently the most expensive (average of $930). 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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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