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$468+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Round-trip from

$673
(oojo)

One-way from

$468
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$684
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. 23% potential increase in price ($299 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 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 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 febrero 20, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:15 amSTL - MAD
2 stops20h 20mUnited Airlines
vie. 1/912:15 pmMAD - STL
2 stops35h 59mUnited Airlines
Deal found 2/20$651
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:44 pmSTL - MAD
1 stop12h 11mMultiple Airlines
vie. 1/91:15 pmMAD - STL
1 stop14h 08mMultiple Airlines
Deal found 2/20$664
This oojo deal was found by Cheapflights users on 2/19. 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.
mar. 4/111:55 amSTL - MAD
1 stop18h 30mBritish Airways
mar. 4/81:45 pmMAD - STL
1 stop14h 13mBritish Airways
Deal found 2/19$673
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/16:29 pmSTL - MAD
1 stop11h 56mFinnair
mar. 4/86:45 amMAD - STL
2 stops22h 27mFinnair
Deal found 2/19$674
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/111:55 pmSTL - MAD
1 stop12h 30mAmerican Airlines
vie. 1/912:40 pmMAD - STL
2 stops16h 09mAmerican Airlines
Deal found 2/20$679
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/1312:54 pmSTL - MAD
1 stop12h 01mIberia
sáb. 1/1011:35 amMAD - STL
1 stop17h 14mIberia
Deal found 2/20$695
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/29:20 amSTL - BCN
2 stops15h 40mIberia
lun. 12/89:05 pmBCN - STL
2 stops42h 38mIberia
Deal found 2/20$701
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/13:30 pmSTL - BCN
1 stop10h 50mUnited Airlines
mar. 4/812:10 pmBCN - STL
2 stops31h 10mUnited Airlines
Deal found 2/20$749
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/185:30 pmSTL - MAD
2 stops16h 35mDelta
mar. 3/259:00 amMAD - STL
2 stops30h 14mDelta
Deal found 2/20$754
This StudentUniverse 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/111:39 amSTL - BCN
1 stop15h 31mFinnair
mar. 4/810:45 amBCN - STL
1 stop18h 27mFinnair
Deal found 2/20$766
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/112:15 pmSTL - BCN
3 stops18h 50mMultiple Airlines
mar. 4/81:15 pmBCN - STL
3 stops34h 30mMultiple Airlines
Deal found 2/20$774
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/211:55 amSTL - BCN
2 stops14h 10mAmerican Airlines
mié. 4/92:00 pmBCN - STL
2 stops15h 25mAmerican Airlines
Deal found 2/20$775

Find flights from St. Louis to Spain within your budget

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 febrero 20, 2025.

Fly from

St. Louis

Fly to

Spain

Route

Depart

Return

Price

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mar. 4/1

11:55 am-1:25 pm

1 stop18h 30m

Madrid Barajas

mar. 4/8

1:45 pm-8:58 pm

1 stop14h 13m

$673

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mar. 4/1

6:29 pm-1:25 pm

1 stop11h 56m

Madrid Barajas

mar. 4/8

6:45 am-10:12 pm

2 stops22h 27m

$674

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mar. 4/1

6:30 am-6:40 am

2 stops17h 10m

Madrid Barajas

mar. 4/8

12:45 pm-12:20 pm

2 stops30h 35m

$680

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

sáb. 3/29

9:28 am-8:25 am

1 stop16h 57m

Madrid Barajas

mar. 4/8

1:45 pm-8:58 pm

1 stop14h 13m

$702

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mar. 3/18

8:49 am-5:45 am

1 stop14h 56m

Madrid Barajas

mar. 3/25

10:45 am-10:18 pm

2 stops17h 33m

$739

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mié. 4/2

11:39 am-10:10 am

1 stop15h 31m

Barcelona-El Prat

mié. 4/9

2:00 pm-8:58 pm

1 stop13h 58m

$747

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 4/1

3:30 pm-9:20 am

1 stop10h 50m

Barcelona-El Prat

mar. 4/8

12:10 pm-12:20 pm

2 stops31h 10m

$749

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

mar. 3/18

5:30 pm-4:05 pm

2 stops16h 35m

Madrid Barajas

mar. 3/25

9:00 am-9:14 am

2 stops30h 14m

$754

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 4/1

11:39 am-10:10 am

1 stop15h 31m

Barcelona-El Prat

mar. 4/8

10:45 am-10:12 pm

1 stop18h 27m

$766

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 4/1

12:15 pm-2:05 pm

3 stops18h 50m

Barcelona-El Prat

mar. 4/8

1:15 pm-4:45 pm

3 stops34h 30m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 42 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.

Travel insights for flights from St. Louis to Spain

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

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 $1,124). 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 febrero 20, 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 febrero 20, 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
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

8.0

Boarding

8.2

Overall

8.0

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 $604 on Aer Lingus. Other airlines that offer cheap prices include British Airways from $606 and American Airlines from $608 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 $1,124). 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 8 airlines flying from St. Louis to Spain

Discover the top 8 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$530Average$850FlexibilityNo cancel feeOn-time76%
KLMCheapest$540Average$1,073FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$545Average$904FlexibilityNo cancel feeOn-time70%
IberiaCheapest$553Average$975FlexibilityNo cancel feeOn-time77%
DeltaCheapest$556Average$1,039FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$587Average$1,051FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$647Average$1,032FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$670Average$1,177FlexibilityNo cancel feeOn-time67%
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