Cheap flights from St. Louis (STL) to Madrid (MAD) from $286

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — MAD
May 21 — May 281

The best prices from Lambert-St Louis to Madrid Barajas are usually found in February or November, booked 5 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from St. Louis to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$562

One-way from

$528
High demand for flights, 36% potential price rise
Best time to find cheap flights, 38% potential price drop
From Lambert-St Louis to Madrid Barajas
One-way flight from Lambert-St Louis to Madrid Barajas

What is the cheapest day to fly round-trip from St. Louis to Madrid?

Friday flights are found to be more expensive to fly from St. Louis to Madrid. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Madrid.

What is the cheapest month to fly from St. Louis to Madrid?

The best pricing can be found in the month of February. Prices to Madrid from St. Louis average $980. You can even find prices in February for less than $980, as users have found deals to Madrid from as low as $453. The month of June appears to be one of the more expensive times to travel to Madrid from St. Louis. Flying in the targeted month can save you up to 56%.

When is the cheapest time to fly from St. Louis to Madrid (STL - MAD)?

One of the essential ways to save on airfare from St. Louis to Madrid is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

Cheap Iberia flights from St. Louis to Madrid

Explore cheap flight options specifically provided by Iberia for the route between St. Louis and Madrid. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Consider these cheap Iberia flights we've found departing from St. Louis to Madrid. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 10/302:41 pmSTL - MAD
1 stop12h 14mIberia
Thu 11/2112:40 pmMAD - STL
1 stop16h 56mIberia
Deal found 5/15$488
Wed 10/3011:58 amSTL - MAD
1 stop15h 27mIberia
Thu 11/218:30 amMAD - STL
2 stops18h 43mIberia
Deal found 5/15$496
Wed 10/302:41 pmSTL - MAD
2 stops15h 14mIberia
Thu 11/218:30 amMAD - STL
2 stops18h 43mIberia
Deal found 5/15$508
Wed 10/164:20 pmSTL - MAD
1 stop15h 05mIberia
Sat 10/2611:35 amMAD - STL
1 stop15h 32mIberia
Deal found 5/15$729
Wed 9/184:20 pmSTL - MAD
1 stop15h 05mIberia
Sat 9/2811:35 amMAD - STL
1 stop12h 39mIberia
Deal found 5/15$854

Cheap Air Canada flights from St. Louis to Madrid

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Madrid. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Browse through some of the cheapest Air Canada flights traveling from St. Louis to Madrid. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 11/94:10 pmSTL - MAD
2 stops34h 00mAir Canada
Sun 11/1712:15 pmMAD - STL
2 stops28h 38mAir Canada
Deal found 5/15$601
Fri 11/84:10 pmSTL - MAD
2 stops34h 00mAir Canada
Sun 11/1712:15 pmMAD - STL
2 stops28h 38mAir Canada
Deal found 5/15$651
Wed 10/1612:00 pmSTL - MAD
1 stop14h 20mAir Canada
Thu 10/2412:15 pmMAD - STL
2 stops34h 05mAir Canada
Deal found 5/15$670
Wed 10/1612:00 pmSTL - MAD
1 stop14h 20mAir Canada
Sat 10/2612:45 pmMAD - STL
2 stops28h 08mAir Canada
Deal found 5/15$720
Thu 8/84:05 pmSTL - MAD
2 stops34h 15mAir Canada
Thu 8/299:00 amMAD - STL
1 stop19h 05mAir Canada
Deal found 5/15$845
Fri 9/274:05 pmSTL - MAD
1 stop12h 10mAir Canada
Sun 10/612:15 pmMAD - STL
1 stop15h 50mAir Canada
Deal found 5/15$951
Wed 8/712:00 pmSTL - MAD
1 stop11h 50mAir Canada
Tue 8/1312:45 pmMAD - STL
1 stop33h 36mAir Canada
Deal found 5/16$1,125
Thu 8/84:05 pmSTL - MAD
1 stop12h 10mAir Canada
Sun 8/1112:15 pmMAD - STL
2 stops34h 06mAir Canada
Deal found 5/16$1,231
Thu 8/84:05 pmSTL - MAD
1 stop12h 10mAir Canada
Mon 8/126:20 amMAD - STL
2 stops16h 01mAir Canada
Deal found 5/16$1,250

Cheap St. Louis to Madrid flights in May & June 2024

Find cheap flight options from St. Louis to Madrid specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Madrid in 2024. For more flight deals, be sure to check back very soon.
Tue 6/186:00 amSTL - MAD
2 stops18h 45mDelta
Tue 6/2511:00 amMAD - STL
1 stop29h 10mDelta
Deal found 5/15$783
Tue 6/187:15 amSTL - MAD
2 stops17h 30mDelta
Tue 6/2510:00 amMAD - STL
2 stops30h 15mDelta
Deal found 5/15$788
Wed 5/293:05 pmSTL - MAD
2 stops18h 50mDelta
Thu 6/611:00 amMAD - STL
1 stop16h 34mDelta
Deal found 5/15$791
Wed 5/293:05 pmSTL - MAD
2 stops18h 50mDelta
Thu 6/610:00 amMAD - STL
2 stops20h 40mDelta
Deal found 5/15$795
Thu 5/303:05 pmSTL - MAD
2 stops18h 20mDelta
Wed 6/511:00 amMAD - STL
1 stop14h 41mDelta
Deal found 5/15$861
Thu 5/303:05 pmSTL - MAD
2 stops18h 20mDelta
Wed 6/510:00 amMAD - STL
2 stops20h 40mDelta
Deal found 5/15$866
Tue 6/186:00 amSTL - MAD
1 stop19h 45mDelta
Tue 6/2511:00 amMAD - STL
1 stop29h 10mDelta
Deal found 5/15$953
Wed 5/2910:10 amSTL - MAD
1 stop15h 35mKLM
Thu 6/611:00 amMAD - STL
1 stop14h 05mKLM
Deal found 5/15$1,019
Mon 6/39:50 amSTL - MAD
1 stop18h 25mAir Canada
Wed 6/1212:45 pmMAD - STL
2 stops15h 20mAir Canada
Deal found 5/15$1,061

St. Louis to Madrid 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Madrid in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Madrid in 2024. For more flight deals, be sure to check back very soon.
Wed 10/302:41 pmSTL - MAD
1 stop12h 14mIberia
Thu 11/2112:40 pmMAD - STL
1 stop16h 56mIberia
Deal found 5/15$488
Wed 10/3011:58 amSTL - MAD
1 stop15h 27mIberia
Thu 11/218:30 amMAD - STL
2 stops18h 43mIberia
Deal found 5/15$496
Wed 10/302:41 pmSTL - MAD
2 stops15h 14mIberia
Thu 11/218:30 amMAD - STL
2 stops18h 43mIberia
Deal found 5/15$508
Wed 10/307:40 amSTL - MAD
1 stop16h 05mAmerican Airlines
Thu 11/213:55 pmMAD - STL
1 stop23h 59mAmerican Airlines
Deal found 5/16$552
Wed 10/305:43 amSTL - MAD
1 stop18h 02mAmerican Airlines
Thu 11/2111:30 amMAD - STL
2 stops16h 49mAmerican Airlines
Deal found 5/16$557
Tue 10/292:41 pmSTL - MAD
2 stops18h 09mBritish Airways
Mon 11/188:40 pmMAD - STL
2 stops26h 28mBritish Airways
Deal found 5/16$567
Tue 10/292:41 pmSTL - MAD
1 stop12h 14mBritish Airways
Mon 11/188:40 pmMAD - STL
2 stops26h 28mBritish Airways
Deal found 5/16$569
Wed 11/273:55 pmSTL - MAD
1 stop16h 50mLufthansa
Wed 12/46:10 amMAD - STL
1 stop14h 45mLufthansa
Deal found 5/15$572
Wed 11/275:05 pmSTL - MAD
2 stops15h 20mAir France
Wed 12/411:00 amMAD - STL
1 stop13h 59mAir France
Deal found 5/15$573

St. Louis to Madrid flights leaving soon

Find last-minute flight options from St. Louis to Madrid for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Users seeking a last-minute flight from St. Louis to Madrid should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
Sun 5/269:50 amSTL - MAD
2 stops19h 50mMultiple Airlines
Thu 5/304:25 pmMAD - STL
3 stops35h 40mMultiple Airlines
Deal found 5/14$1,431
Sun 5/269:50 amSTL - MAD
2 stops19h 50mMultiple Airlines
Wed 5/291:45 amMAD - STL
2 stops22h 44mMultiple Airlines
Deal found 5/14$1,436
Sun 5/269:50 amSTL - MAD
2 stops19h 50mMultiple Airlines
Thu 5/306:00 pmMAD - STL
2 stops26h 30mMultiple Airlines
Deal found 5/14$1,482
Sun 5/2611:00 amSTL - MAD
1 stop18h 40mMultiple Airlines
Wed 5/291:45 amMAD - STL
2 stops22h 44mMultiple Airlines
Deal found 5/14$1,691
Sun 5/264:05 pmSTL - MAD
3 stops19h 05mMultiple Airlines
Thu 5/304:25 pmMAD - STL
3 stops35h 40mMultiple Airlines
Deal found 5/14$1,740
Sun 5/264:05 pmSTL - MAD
3 stops19h 05mMultiple Airlines
Wed 5/291:45 amMAD - STL
2 stops22h 44mMultiple Airlines
Deal found 5/14$1,743
Sun 5/2611:00 amSTL - MAD
1 stop18h 40mMultiple Airlines
Thu 5/306:00 pmMAD - STL
2 stops26h 30mMultiple Airlines
Deal found 5/14$1,750
Sun 5/263:25 pmSTL - MAD
1 stop13h 50mLufthansa
Thu 5/305:00 pmMAD - STL
1 stop27h 30mLufthansa
Deal found 5/14$2,276
Tue 5/2111:10 amSTL - MAD
2 stops17h 00mLufthansa
Fri 5/315:55 amMAD - STL
1 stop14h 35mLufthansa
Deal found 5/15$2,840

One-way flights to Madrid from St. Louis

Search for one-way flight options from St. Louis to Madrid. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Madrid, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Madrid should utilize the search form above.
Sun 9/226:42 pmSTL - MAD
2 stops43h 13mMultiple Airlines
Deal found 5/15$286
Wed 9/44:31 pmSTL - MAD
2 stops45h 34mMultiple Airlines
Deal found 5/15$320
Wed 9/44:31 pmSTL - MAD
2 stops45h 34mMultiple Airlines
Deal found 5/16$321
Sun 9/227:40 amSTL - MAD
3 stops29h 50mMultiple Airlines
Deal found 5/15$383
Mon 11/411:10 amSTL - MAD
2 stops15h 05mUnited Airlines
Deal found 5/15$528
Sun 9/2211:51 amSTL - MAD
1 stop13h 54mKLM
Deal found 5/15$692
Mon 5/2711:28 amSTL - MAD
1 stop18h 32mMultiple Airlines
Deal found 5/14$711
Mon 5/278:35 pmSTL - MAD
3 stops51h 55mMultiple Airlines
Deal found 5/14$727
Mon 5/2711:28 amSTL - MAD
2 stops27h 22mMultiple Airlines
Deal found 5/14$794

Find flights from St. Louis to Madrid within your budget

Customize your flight search to find flights from St. Louis to Madrid 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$488 - $800

Route

Depart

Return

Price

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/30

1 stop12h 14m

Madrid Barajas

Thu 11/21

1 stop16h 56m

$488

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/30

1 stop15h 27m

Madrid Barajas

Thu 11/21

2 stops18h 43m

$496

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Sat 11/9

1 stop32h 35m

Madrid Barajas

Sun 11/17

2 stops28h 38m

$589

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Sat 11/9

2 stops34h 00m

Madrid Barajas

Sun 11/17

2 stops28h 38m

$601

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Sat 11/9

1 stop32h 23m

Madrid Barajas

Sun 11/17

1 stop33h 21m

$643

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Fri 11/8

1 stop17h 02m

Madrid Barajas

Sun 11/17

1 stop23h 59m

$652

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Mon 10/14

1 stop11h 40m

Madrid Barajas

Fri 10/25

1 stop13h 59m

$741

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/16

2 stops14h 45m

Madrid Barajas

Thu 10/24

2 stops17h 51m

$768

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/2

1 stop16h 40m

Madrid Barajas

Wed 10/9

1 stop34h 05m

$800

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from St. Louis to Madrid?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Madrid. Price data was last updated on May 10, 2024.
The best time to book flights from St. Louis to Madrid is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to Madrid?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Madrid. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Madrid flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Madrid by month

Plan your trip from St. Louis to Madrid by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Madrid is currently $529 while a round-trip flight costs $642. Price data was last updated on May 12, 2024.

Currently, December is the cheapest month in which you can book a flight from St. Louis to Madrid (average of $562). Flying from St. Louis to Madrid in June is currently the most expensive (average of $1,169). 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.

January

$602

February

$586

March

$684

April

$695

May

$781

June

$1,169

July

$1,050

August

$796

September

$817

October

$691

November

$586

December

$562

Temperature and rainfall in Madrid by month

Plan your trip to Madrid by taking into account the average temperature and rainfall totals by month.

MAD

Temperature

41 - 77 °F

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated May 16, 2024.
Read reviews from past customers who have flown Iberia, Air Canada and British Airways from St. Louis to Madrid. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,673 reviews
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,568 reviews
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
1,764 reviews
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.4
Good
10,924 reviews
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.3
Good
14,514 reviews
8.0
Very good
10,673 reviews

Food

7.4

Comfort

7.9

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Madrid for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Madrid for under $500. The cheapest flight booked recently is on Iberia for just $488, but on average you can expect to pay $638.

  • Are there last-minute flights available from St. Louis to Madrid for under $1,500?

    There are currently 13+ open flights from St. Louis to Madrid within the next 7 days for less than $1,500.

  • What are the cheapest airlines flying from St. Louis to Madrid round-trip?

    According to our current data, Iberia ($488), Air Canada ($601), and British Airways ($643) offers the cheapest pricing from St. Louis to Madrid. You may be able to fly from St. Louis to Madrid for 50% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from St. Louis to Madrid are United Airlines ($528), KLM ($692), and Iberia ($921).

  • What are the most popular airlines that fly from St. Louis to Madrid?

  • What does STL to MAD mean?

    Great question - STL to MAD just means Lambert-St Louis Airport to Madrid Barajas Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Madrid that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Madrid flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Madrid with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Madrid flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Madrid by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Madrid that allow pets onboard?

    Many airlines flying from St. Louis to Madrid offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Madrid?

    Yes, you can often find last-minute deals on St. Louis to Madrid flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Madrid flight deals updated?

    The St. Louis to Madrid flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Madrid
See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from St. Louis to Madrid

Discover the top 9 airlines that operate flights from St. Louis to Madrid. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$512Average$686FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest$517Average$868FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$528Average$777FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$543Average$923FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$546Average$920FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$590Average$884FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest$592Average$859FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest$659Average$1,111FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$711Average$1,310FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Search flights from St. Louis to Madrid by cabin class

Find flights from St. Louis to Madrid, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Madrid?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Madrid from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Madrid?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Madrid by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Madrid with no change fees?

Certainly. Search results for flights to Madrid from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Madrid become cheaper?

Of course! You can now track prices for flights from St. Louis to Madrid and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.