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St. Louis

$537+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
juin 23 — juin 301
lun. 6/23
lun. 6/30
1 adult, Economy
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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 juin 18, 2025.

Round-trip from

$663
(United Airlines)

One-way from

$537
(eDestinos)

Popular in

August

Cheapest in

October

Average price

$984
From Spain to Lambert-St Louis
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One-way flight from Spain to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 juin 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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.
mer. 11/121:35 pmBCN - STL
2 stops31h 45mUnited Airlines
lun. 11/175:18 pmSTL - BCN
1 stop12h 47mUnited Airlines
Deal found 6/17$663
This Air Canada deal was found by Cheapflights users on 6/16. 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.
mer. 11/121:35 pmBCN - STL
2 stops32h 54mAir Canada
lun. 11/1710:30 amSTL - BCN
2 stops16h 05mAir Canada
Deal found 6/16$675
This Lufthansa deal was found by Cheapflights users on 6/17. 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.
mer. 11/126:50 amBCN - STL
1 stop14h 05mLufthansa
lun. 11/1711:49 amSTL - BCN
1 stop14h 11mLufthansa
Deal found 6/17$677
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/174:20 pmMAD - STL
3 stops24h 32mMultiple Airlines
lun. 7/2110:47 amSTL - MAD
3 stops21h 33mMultiple Airlines
Deal found 6/16$763
This Gotogate deal was found by Cheapflights users on 6/16. 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.
jeu. 7/178:35 amMAD - STL
2 stops18h 25mAir Canada
lun. 7/211:30 pmSTL - MAD
1 stop10h 10mAir Canada
Deal found 6/16$786
This lol.travel deal was found by Cheapflights users on 6/17. 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.
jeu. 7/1710:50 amMAD - STL
1 stop19h 45mLufthansa
lun. 7/218:15 amSTL - MAD
1 stop16h 50mLufthansa
Deal found 6/17$791
This United Airlines deal was found by Cheapflights users on 6/17. 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.
jeu. 6/268:35 amMAD - STL
2 stops32h 24mUnited Airlines
mer. 7/910:00 amSTL - MAD
2 stops16h 00mUnited Airlines
Deal found 6/17$796
This Delta deal was found by Cheapflights users on 6/16. 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.
jeu. 7/176:00 amMAD - STL
2 stops24h 20mDelta
lun. 7/216:04 pmSTL - MAD
2 stops15h 41mDelta
Deal found 6/16$800
This lol.travel deal was found by Cheapflights users on 6/17. 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.
mer. 6/2511:35 amMAD - STL
1 stop19h 19mFinnair
mer. 7/94:52 pmSTL - MAD
1 stop13h 33mFinnair
Deal found 6/17$805
This Iberia deal was found by Cheapflights users on 6/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/175:30 pmMAD - STL
1 stop22h 59mIberia
lun. 7/218:01 pmSTL - MAD
1 stop10h 24mIberia
Deal found 6/16$808
This Delta deal was found by Cheapflights users on 6/16. 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.
mer. 7/29:00 amBCN - STL
1 stop30h 09mDelta
dim. 7/66:45 pmSTL - BCN
1 stop34h 10mDelta
Deal found 6/16$827
This Air France deal was found by Cheapflights users on 6/18. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/46:20 amBCN - STL
2 stops16h 58mMultiple Airlines
sam. 7/125:45 pmSTL - BCN
2 stops14h 05mMultiple Airlines
Deal found 6/18$832

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 juin 18, 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

mer. 11/12

1:35 pm-2:20 pm

2 stops31h 45m

Lambert-St Louis

lun. 11/17

5:18 pm-1:05 pm

1 stop12h 47m

$663

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

mer. 11/12

1:35 pm-3:29 pm

2 stops32h 54m

Lambert-St Louis

lun. 11/17

10:30 am-9:35 am

2 stops16h 05m

$675

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

mer. 11/12

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

lun. 11/17

11:49 am-9:00 am

1 stop14h 11m

$677

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

jeu. 7/17

4:20 pm-9:52 am

3 stops24h 32m

Lambert-St Louis

lun. 7/21

10:47 am-3:20 pm

3 stops21h 33m

$763

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

jeu. 7/17

8:35 am-8:00 pm

2 stops18h 25m

Lambert-St Louis

lun. 7/21

1:30 pm-6:40 am

1 stop10h 10m

$786

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

jeu. 7/17

10:50 am-11:35 pm

1 stop19h 45m

Lambert-St Louis

lun. 7/21

8:15 am-8:05 am

1 stop16h 50m

$791

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

jeu. 7/17

6:00 am-11:20 pm

2 stops24h 20m

Lambert-St Louis

lun. 7/21

6:04 pm-4:45 pm

2 stops15h 41m

$800

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

lun. 7/21

7:05 am-4:47 pm

2 stops16h 42m

Lambert-St Louis

lun. 7/28

10:46 am-9:35 am

1 stop15h 49m

$804

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

ven. 7/4

6:00 am-1:30 pm

1 stop14h 30m

Lambert-St Louis

mar. 7/8

1:30 pm-6:40 am

1 stop10h 10m

$806

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

jeu. 7/17

5:30 pm-9:29 am

1 stop22h 59m

Lambert-St Louis

lun. 7/21

8:01 pm-1:25 pm

1 stop10h 24m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 50 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, August is the cheapest month in which you can book a flight from Spain to St. Louis (average of $311). Flying from Spain to St. Louis in March is currently the most expensive (average of $356). 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 juin 18, 2025.

When flying from Spain to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated juin 18, 2025.
To help decide which airline to fly from Spain to St. Louis, see what other customers have to say about Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,364 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
804 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 Aer Lingus ($583), Lufthansa ($594), and TAP AIR PORTUGAL ($701).

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

    While some choose either Madrid Barajas - Lambert-St Louis or Bilbao - Lambert-St Louis, Barcelona-El Prat - 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, August is the cheapest month in which you can book a flight from Spain to St. Louis (average of $311). Flying from Spain to St. Louis in March is currently the most expensive (average of $356). 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 Spain?

Book flights to Spain if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Alternative routes for Spain to St. Louis

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