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St. Louis

$558+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$678
(Finnair)

One-way from

$596
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$791
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. 9% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This lol.travel deal was found by Cheapflights users on 4/30. 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.
Thu 5/84:40 pmMAD - STL
1 stop12h 12mIberia
Mon 5/127:30 pmSTL - MAD
1 stop10h 55mIberia
Deal found 4/30$653
This British Airways deal was found by Cheapflights users on 4/30. 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.
Thu 5/812:10 pmMAD - STL
2 stops16h 42mBritish Airways
Mon 5/127:30 pmSTL - MAD
1 stop10h 55mBritish Airways
Deal found 4/30$660
This British Airways deal was found by Cheapflights users on 5/1. 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 11/126:40 amBCN - STL
2 stops18h 37mBritish Airways
Mon 11/175:57 pmSTL - BCN
2 stops17h 03mBritish Airways
Deal found 5/1$677
This Finnair deal was found by Cheapflights users on 5/1. 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 6/56:40 pmBCN - STL
1 stop21h 06mMultiple Airlines
Mon 6/92:49 pmSTL - BCN
1 stop15h 51mMultiple Airlines
Deal found 5/1$678
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:00 amBCN - STL
1 stop19h 01mAmerican Airlines
Mon 11/175:27 amSTL - BCN
1 stop20h 13mAmerican Airlines
Deal found 5/1$689
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/84:40 pmMAD - STL
1 stop12h 12mAmerican Airlines
Mon 5/127:30 pmSTL - MAD
1 stop10h 55mAmerican Airlines
Deal found 5/1$727
This lol.travel deal was found by Cheapflights users on 4/30. 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 7/410:45 amBCN - STL
1 stop14h 47mIberia
Sat 7/122:15 pmSTL - BCN
1 stop11h 50mIberia
Deal found 4/30$783
This Iberia deal was found by Cheapflights users on 4/29. 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.
Wed 5/219:15 amBIO - STL
2 stops19h 37mIberia
Sun 7/68:01 pmSTL - BIO
2 stops53h 29mIberia
Deal found 4/29$789
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 11/121:35 pmBCN - STL
2 stops32h 46mUnited Airlines
Mon 11/173:15 pmSTL - BCN
1 stop14h 50mUnited Airlines
Deal found 4/30$790
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Wed 11/121:35 pmBCN - STL
2 stops31h 43mAir Canada
Mon 11/174:15 pmSTL - BCN
2 stops34h 20mAir Canada
Deal found 4/30$803
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:15 amBIO - STL
2 stops16h 18mAmerican Airlines
Wed 6/251:21 pmSTL - BIO
2 stops16h 24mAmerican Airlines
Deal found 5/1$844
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Thu 5/812:30 pmMAD - STL
2 stops38h 28mAir Canada
Mon 5/122:30 pmSTL - MAD
2 stops33h 10mAir Canada
Deal found 4/30$856

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 1, 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 6/5

6:40 pm-8:46 am

1 stop21h 06m

Lambert-St Louis

Mon 6/9

2:49 pm-1:40 pm

1 stop15h 51m

$678

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 6/5

7:45 am-7:17 pm

2 stops18h 32m

Lambert-St Louis

Mon 6/9

6:00 am-10:30 am

1 stop21h 30m

$686

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Fri 7/4

10:45 am-6:32 pm

1 stop14h 47m

Lambert-St Louis

Sat 7/12

2:15 pm-9:05 am

1 stop11h 50m

$783

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Wed 5/21

9:15 am-9:52 pm

2 stops19h 37m

Lambert-St Louis

Sun 7/6

8:01 pm-8:30 am

2 stops53h 29m

$789

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 6/5

8:00 am-7:43 pm

2 stops18h 43m

Lambert-St Louis

Mon 6/9

7:30 am-7:50 am

2 stops17h 20m

$807

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Mon 5/26

9:15 am-6:33 pm

2 stops16h 18m

Lambert-St Louis

Wed 6/25

1:21 pm-12:45 pm

2 stops16h 24m

$844

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sat 7/26

11:35 am-8:20 pm

1 stop15h 45m

Lambert-St Louis

Fri 8/1

1:17 pm-7:55 am

1 stop11h 38m

$904

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Sun 5/18

7:40 am-7:58 pm

2 stops43h 18m

Lambert-St Louis

Sun 7/6

4:00 pm-6:45 pm

2 stops43h 45m

$918

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Sat 8/2

4:40 pm-11:49 pm

1 stop14h 09m

Lambert-St Louis

Tue 8/5

1:16 pm-9:35 am

1 stop13h 19m

$923

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Thu 7/24

4:40 pm-11:49 pm

1 stop14h 09m

Lambert-St Louis

Tue 8/19

12:23 pm-9:05 am

1 stop13h 42m

$933

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 43 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 May 1, 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 May 1, 2025.
To help decide which airline to fly from Spain to St. Louis, see what other customers have to say about Delta, KLM and Finnair. 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
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,791 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 ($622), Iberia ($737), and WestJet ($742).

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

    While some choose either Barcelona-El Prat - Lambert-St Louis or Bilbao - 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, 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
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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