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$418+ Cheap flights from St. Louis (STL) to Spain

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAD
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from St. Louis to Spain

Keep the following information in mind while searching for St. Louis to Spain flight deals. Data was last updated marzo 28, 2025.

Round-trip from

$745
(lol.travel)

One-way from

$418
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$938
From Lambert-St Louis to Spain
Search Deals
One-way flight from Lambert-St Louis to Spain
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($256 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from St. Louis to Spain

Cheapest flights from St. Louis to Spain
Explore the most affordable flight options available from St. Louis to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Finnair deal was found by Cheapflights users on 3/27. 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.
sáb. 12/132:44 pmSTL - MAD
1 stop11h 11mMultiple Airlines
sáb. 1/1012:40 pmMAD - STL
1 stop13h 27mMultiple Airlines
Deal found 3/27$715
This lol.travel deal was found by Cheapflights users on 3/27. 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.
lun. 5/51:30 pmSTL - MAD
1 stop10h 10mAir Canada
mié. 5/2112:45 pmMAD - STL
1 stop14h 13mAir Canada
Deal found 3/27$745
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/134:08 pmSTL - MAD
2 stops20h 02mBritish Airways
sáb. 1/101:15 pmMAD - STL
1 stop14h 08mBritish Airways
Deal found 3/26$747
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
lun. 8/112:02 pmSTL - MAD
1 stop12h 03mIberia
jue. 9/251:45 pmMAD - STL
1 stop13h 36mIberia
Deal found 3/27$763
This United Airlines deal was found by Cheapflights users on 3/27. 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.
mié. 5/71:30 pmSTL - MAD
1 stop10h 10mUnited Airlines
mié. 5/1412:45 pmMAD - STL
2 stops34h 02mUnited Airlines
Deal found 3/27$768
This American Airlines deal was found by Cheapflights users on 3/27. 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.
sáb. 12/1311:57 amSTL - MAD
1 stop14h 28mAmerican Airlines
sáb. 1/101:15 pmMAD - STL
2 stops17h 17mAmerican Airlines
Deal found 3/27$804
This Lufthansa deal was found by Cheapflights users on 3/27. 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.
dom. 10/53:30 pmSTL - BIO
1 stop19h 55mLufthansa
mié. 10/156:45 amBIO - STL
1 stop13h 45mLufthansa
Deal found 3/27$811
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/510:30 amSTL - BIO
2 stops24h 20mUnited Airlines
mié. 10/156:45 amBIO - STL
1 stop13h 45mUnited Airlines
Deal found 3/27$813
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/73:45 pmSTL - IBZ
1 stop18h 25mMultiple Airlines
sáb. 11/155:55 pmIBZ - STL
2 stops28h 31mMultiple Airlines
Deal found 3/25$820
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/53:43 pmSTL - BCN
2 stops33h 07mAir Canada
dom. 5/1112:15 pmBCN - STL
1 stop14h 43mAir Canada
Deal found 3/27$841
This Lufthansa deal was found by Cheapflights users on 3/25. 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.
vie. 11/73:45 pmSTL - IBZ
1 stop18h 25mLufthansa
sáb. 11/155:55 pmIBZ - STL
1 stop27h 00mLufthansa
Deal found 3/25$857
This United Airlines deal was found by Cheapflights users on 3/27. 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.
dom. 5/111:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
dom. 5/186:00 amBCN - STL
2 stops16h 47mUnited Airlines
Deal found 3/27$862

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Spain 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 marzo 28, 2025.
Use the filters below to find and compare flights from St. Louis to Spain that are best for you.

Fly from

St. Louis

Fly to

Spain

Route

Depart

Return

Price

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

lun. 5/5

1:30 pm-6:40 am

1 stop10h 10m

Madrid Barajas

mié. 5/21

12:45 pm-7:58 pm

1 stop14h 13m

$745

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

lun. 8/11

2:02 pm-9:05 am

1 stop12h 03m

Madrid Barajas

jue. 9/25

1:45 pm-8:21 pm

1 stop13h 36m

$763

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mié. 5/7

1:30 pm-6:40 am

1 stop10h 10m

Madrid Barajas

mié. 5/14

12:45 pm-3:47 pm

2 stops34h 02m

$768

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

lun. 4/28

3:29 pm-1:25 pm

1 stop14h 56m

Madrid Barajas

vie. 5/9

1:45 pm-8:58 pm

1 stop14h 13m

$784

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

lun. 5/5

3:43 pm-7:50 am

2 stops33h 07m

Barcelona-El Prat

dom. 5/11

12:15 pm-7:58 pm

1 stop14h 43m

$841

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

jue. 4/17

10:17 am-7:55 am

1 stop14h 38m

Madrid Barajas

jue. 4/24

4:40 pm-10:12 pm

1 stop12h 32m

$845

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

dom. 5/11

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

dom. 5/18

6:00 am-3:47 pm

2 stops16h 47m

$862

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

jue. 4/17

10:42 am-9:35 am

1 stop15h 53m

Madrid Barajas

jue. 4/24

6:00 am-4:26 pm

2 stops17h 26m

$871

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

jue. 9/11

1:30 pm-6:10 pm

2 stops21h 40m

Barcelona-El Prat

vie. 9/19

7:00 pm-8:47 pm

2 stops32h 47m

$873

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

dom. 8/10

3:30 pm-9:35 am

1 stop11h 05m

Madrid Barajas

jue. 9/25

12:40 pm-8:30 pm

2 stops14h 50m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 45 results
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Best time to book a flight from St. Louis to Spain

Have a flexible travel schedule? Discover the best time to fly to Spain from St. Louis 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 St. Louis to Spain

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Spain (average of $543). Flying from St. Louis to Spain in June is currently the most expensive (average of $1,107). 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 STL to ES?

Find hourly flight availability from St. Louis to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

When flying from St. Louis to Spain, 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 Spain by month

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

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

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

If weather is an important factor for your trip to Spain, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated marzo 28, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from St. Louis to Spain. 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
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Spain. 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 from for flights from St. Louis to Spain?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Spain. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    One-way options have recently been found by users for as low as $603 on Air Canada. Other airlines that offer cheap prices include KLM from $608 and Air France from $625 one-way.

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

    Most travelers choose Lambert-St Louis - Barcelona-El Prat, Lambert-St Louis - Madrid Barajas or Lambert-St Louis - Sevilla when deciding on the best route from St. Louis to Spain.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Spain 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 St. Louis to Spain?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Spain (average of $543). Flying from St. Louis to Spain in June is currently the most expensive (average of $1,107). 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

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Alternative routes for St. Louis to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from St. Louis to Spain

Discover the top 9 airlines that operate flights from St. Louis to Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$530Average$1,104FlexibilityNo cancel feeOn-time76%
KLMCheapest$540Average$1,084FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$545Average$908FlexibilityNo cancel feeOn-time70%
IberiaCheapest$568Average$1,001FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$583Average$1,106FlexibilityNo cancel feeOn-time71%
DeltaCheapest$592Average$1,053FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$645Average$777FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$647Average$1,111FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$670Average$1,208FlexibilityNo cancel feeOn-time67%
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