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St. Louis

$401+ 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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — STL
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$628
(Finnair)

One-way from

$401
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$783
From Spain to Lambert-St Louis
Search Deals
One-way flight from Spain to Lambert-St Louis
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Highest demand for flights based on searches. 5% potential increase in price ($54 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 February 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 February 22, 2025.

This British Airways deal was found by Cheapflights users on 2/21. 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.
Mon 3/31:00 pmMAD - STL
1 stop16h 43mBritish Airways
Mon 3/104:26 pmSTL - MAD
2 stops14h 59mBritish Airways
Deal found 2/21$580
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 3/312:20 pmMAD - STL
2 stops18h 12mMultiple Airlines
Mon 3/103:50 pmSTL - MAD
2 stops19h 50mMultiple Airlines
Deal found 2/21$601
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 3/36:00 amMAD - STL
2 stops17h 53mDelta
Mon 3/107:10 pmSTL - MAD
2 stops15h 50mDelta
Deal found 2/21$603
This Finnair deal was found by Cheapflights users on 2/21. 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.
Tue 4/226:30 pmBCN - STL
1 stop21h 12mMultiple Airlines
Tue 5/202:10 pmSTL - BCN
1 stop15h 05mMultiple Airlines
Deal found 2/21$628
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/226:00 amBCN - STL
2 stops16h 47mUnited Airlines
Tue 5/201:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Deal found 2/21$638
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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.
Wed 11/121:30 pmBCN - STL
1 stop13h 46mIberia
Mon 11/172:49 pmSTL - BCN
1 stop11h 11mIberia
Deal found 2/21$748
This United Airlines deal was found by Cheapflights users on 2/22. 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 5/86:45 amBIO - STL
2 stops20h 16mUnited Airlines
Fri 9/51:30 pmSTL - BIO
2 stops21h 55mUnited Airlines
Deal found 2/22$751
This Delta deal was found by Cheapflights users on 2/21. 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 5/87:10 amBIO - STL
2 stops21h 23mDelta
Fri 9/55:40 pmSTL - BIO
2 stops15h 50mDelta
Deal found 2/21$754
This lol.travel deal was found by Cheapflights users on 2/21. 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.
Wed 7/212:15 pmBCN - STL
2 stops34h 01mAir Canada
Sat 7/121:30 pmSTL - BCN
1 stop11h 20mAir Canada
Deal found 2/21$888
This United Airlines deal was found by Cheapflights users on 2/21. 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 7/211:15 amMAD - STL
2 stops18h 30mUnited Airlines
Sat 7/128:10 amSTL - MAD
2 stops16h 55mUnited Airlines
Deal found 2/21$917
This Iberia deal was found by Cheapflights users on 2/20. 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.
Tue 6/245:30 pmMAD - STL
1 stop22h 37mIberia
Fri 9/196:24 pmSTL - MAD
1 stop11h 31mIberia
Deal found 2/20$931
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 3/312:20 pmMAD - STL
3 stops29h 27mAir Canada
Mon 3/103:50 pmSTL - MAD
2 stops19h 50mAir Canada
Deal found 2/21$943

Find flights from Spain to St. Louis within your budget

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 February 22, 2025.

Fly from

Spain

Fly to

St. Louis

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 4/22

6:30 pm-8:42 am

1 stop21h 12m

Lambert-St Louis

Tue 5/20

2:10 pm-12:15 pm

1 stop15h 05m

$628

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 4/22

6:00 am-3:47 pm

2 stops16h 47m

Lambert-St Louis

Tue 5/20

1:30 pm-7:50 am

1 stop11h 20m

$638

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 5/8

6:45 am-8:01 pm

2 stops20h 16m

Lambert-St Louis

Fri 9/5

1:30 pm-6:25 pm

2 stops21h 55m

$751

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Thu 5/8

7:10 am-9:33 pm

2 stops21h 23m

Lambert-St Louis

Fri 9/5

5:40 pm-4:30 pm

2 stops15h 50m

$754

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 7/2

12:15 pm-3:16 pm

2 stops34h 01m

Lambert-St Louis

Sat 7/12

1:30 pm-7:50 am

1 stop11h 20m

$888

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 7/2

11:15 am-10:45 pm

2 stops18h 30m

Lambert-St Louis

Sat 7/12

8:10 am-8:05 am

2 stops16h 55m

$917

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 7/2

11:35 am-7:46 pm

1 stop15h 11m

Lambert-St Louis

Sat 7/12

11:05 am-5:40 am

1 stop11h 35m

$922

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 6/24

5:30 pm-9:07 am

1 stop22h 37m

Lambert-St Louis

Fri 9/19

6:24 pm-12:55 pm

1 stop11h 31m

$931

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Tue 6/24

12:40 pm-8:06 am

2 stops26h 26m

Lambert-St Louis

Fri 9/19

3:30 pm-4:45 pm

2 stops18h 15m

$979

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Sun 5/11

9:15 am-9:52 pm

2 stops19h 37m

Lambert-St Louis

Fri 5/16

2:10 pm-12:45 pm

2 stops39h 35m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 26 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.

Travel insights for flights from Spain to St. Louis

Get recent, data-driven insights about flights from Spain to St. Louis including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 2025.
To help decide which airline to fly from Spain to St. Louis, see what other customers have to say about Delta, KLM and Qatar Airways. 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
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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
1,330 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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

Qatar Airways
7.4
Good
3,612 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,203 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

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 ($654), Lufthansa ($699), and Qatar Airways ($742).

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

    While some choose either Bilbao - Lambert-St Louis or Barcelona-El Prat - 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
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Alternative routes for Spain to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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