Cheap flights from St. Louis (STL) to Madrid (MAD) from $314

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 5/20. 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 6 — May 131

The best prices from Lambert-St Louis to Madrid Barajas are usually found in February or January, booked 33 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 1, 2024.

Popular in

December

Cheapest in

February

Average price

$1,401

Round-trip from

$562
High demand for flights, 34% potential price rise
Best time to find cheap flights, 40% potential price drop
Average for round-trip flights in May 2024
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.

How far in advance should I book a flight from St. Louis to Madrid?

Travelers have found it’s best to book a flight 34 days in advance to save up to 468% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Madrid 1-2 weeks in advance for as low as $1,110, or $2,197 for flights within the next 24 hours.

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 $1,033. You can even find prices in February for less than $1,033, as users have found deals to Madrid from as low as $483. The month of December 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 50%.

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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

Cheap American Airlines flights from St. Louis to Madrid

Explore cheap flight options specifically provided by American Airlines 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 2,899,487 searches. Data last updated May 1, 2024.
Consider these cheap American Airlines 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 10/97:37 amSTL - MAD
1 stop15h 33mAmerican Airlines
Wed 10/1612:00 pmMAD - STL
1 stop16h 07mAmerican Airlines
Deal found 4/30$801
Wed 10/211:08 amSTL - MAD
2 stops14h 02mAmerican Airlines
Wed 10/912:00 pmMAD - STL
2 stops16h 20mAmerican Airlines
Deal found 4/30$805
Thu 5/165:19 amSTL - MAD
1 stop19h 26mAmerican Airlines
Thu 5/2312:20 pmMAD - STL
1 stop19h 46mAmerican Airlines
Deal found 4/30$852
Fri 5/175:19 amSTL - MAD
1 stop19h 26mAmerican Airlines
Wed 5/2212:00 pmMAD - STL
2 stops18h 22mAmerican Airlines
Deal found 4/30$857
Mon 8/265:30 amSTL - MAD
1 stop17h 40mAmerican Airlines
Sun 12/2211:05 amMAD - STL
1 stop16h 17mAmerican Airlines
Deal found 4/30$877
Mon 8/267:00 amSTL - MAD
1 stop16h 10mAmerican Airlines
Sun 12/2211:05 amMAD - STL
2 stops19h 19mAmerican Airlines
Deal found 4/30$880
Thu 9/267:37 amSTL - MAD
1 stop15h 33mAmerican Airlines
Mon 10/1412:00 pmMAD - STL
1 stop12h 17mAmerican Airlines
Deal found 4/30$885
Thu 9/265:37 amSTL - MAD
1 stop17h 33mAmerican Airlines
Mon 10/141:00 pmMAD - STL
2 stops15h 07mAmerican Airlines
Deal found 4/30$889
Fri 9/275:37 amSTL - MAD
1 stop17h 33mAmerican Airlines
Sun 10/612:25 pmMAD - STL
2 stops15h 42mAmerican Airlines
Deal found 5/1$905

Cheap Delta flights from St. Louis to Madrid

Explore cheap flight options specifically provided by Delta 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 2,899,487 searches. Data last updated May 1, 2024.
Browse through some of the cheapest Delta flights traveling from St. Louis to Madrid. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 5/152:18 pmSTL - MAD
2 stops18h 22mDelta
Wed 5/2210:00 amMAD - STL
1 stop14h 16mDelta
Deal found 4/30$820
Wed 5/152:55 pmSTL - MAD
2 stops19h 00mDelta
Wed 5/2210:00 amMAD - STL
2 stops20h 40mDelta
Deal found 4/30$824
Tue 5/146:00 amSTL - MAD
1 stop19h 45mDelta
Tue 5/2111:00 amMAD - STL
1 stop14h 41mDelta
Deal found 4/30$924
Tue 5/146:00 amSTL - MAD
1 stop19h 45mDelta
Mon 5/201:05 pmMAD - STL
2 stops31h 03mDelta
Deal found 4/30$947
Tue 5/146:00 amSTL - MAD
1 stop19h 45mDelta
Mon 5/2011:00 amMAD - STL
1 stop19h 40mDelta
Deal found 4/30$974
Fri 5/176:30 amSTL - MAD
2 stops18h 15mDelta
Wed 5/2210:00 amMAD - STL
1 stop18h 06mDelta
Deal found 4/30$1,030
Fri 5/176:30 amSTL - MAD
2 stops18h 15mDelta
Fri 5/246:00 amMAD - STL
2 stops18h 16mDelta
Deal found 4/30$1,036
Tue 6/410:45 amSTL - MAD
1 stop14h 00mDelta
Mon 6/101:05 pmMAD - STL
2 stops31h 21mDelta
Deal found 4/30$1,087
Sat 6/295:26 pmSTL - MAD
2 stops15h 14mDelta
Sat 7/1312:20 pmMAD - STL
2 stops16h 16mDelta
Deal found 4/30$1,238

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 2,899,487 searches. Prices were last updated on May 1, 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 5/289:51 amSTL - MAD
1 stop14h 59mAmerican Airlines
Tue 6/412:20 pmMAD - STL
1 stop14h 10mAmerican Airlines
Deal found 4/30$1,062
Tue 5/281:01 pmSTL - MAD
1 stop14h 09mMultiple Airlines
Wed 6/512:25 pmMAD - STL
1 stop14h 48mMultiple Airlines
Deal found 4/30$1,064
Tue 5/287:30 amSTL - MAD
2 stops15h 10mAmerican Airlines
Tue 6/412:20 pmMAD - STL
1 stop18h 02mAmerican Airlines
Deal found 4/30$1,065
Tue 5/286:00 amSTL - MAD
1 stop18h 45mDelta
Wed 6/510:00 amMAD - STL
2 stops18h 34mDelta
Deal found 4/30$1,098
Wed 5/2910:45 amSTL - MAD
2 stops17h 40mDelta
Wed 6/511:00 amMAD - STL
1 stop19h 40mDelta
Deal found 4/30$1,110
Wed 5/2910:45 amSTL - MAD
2 stops17h 40mDelta
Wed 6/510:00 amMAD - STL
2 stops18h 34mDelta
Deal found 4/30$1,115
Thu 5/3011:17 amSTL - MAD
2 stops25h 38mBritish Airways
Wed 6/58:50 pmMAD - STL
2 stops32h 12mBritish Airways
Deal found 5/1$1,152
Fri 5/319:51 amSTL - MAD
1 stop14h 59mAmerican Airlines
Mon 6/249:20 amMAD - STL
1 stop20h 37mAmerican Airlines
Deal found 5/1$1,164
Fri 5/3110:46 amSTL - MAD
2 stops14h 04mAmerican Airlines
Mon 6/249:20 amMAD - STL
1 stop16h 57mAmerican Airlines
Deal found 5/1$1,167

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 2,899,487 searches. Data last updated May 1, 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 11/52:43 pmSTL - MAD
2 stops14h 07mAmerican Airlines
Tue 11/1211:30 amMAD - STL
1 stop17h 01mAmerican Airlines
Deal found 4/30$590
Tue 11/52:43 pmSTL - MAD
2 stops14h 07mAmerican Airlines
Tue 11/121:00 pmMAD - STL
2 stops17h 22mAmerican Airlines
Deal found 4/30$593
Tue 11/510:30 amSTL - MAD
1 stop12h 10mMultiple Airlines
Tue 11/1211:30 amMAD - STL
1 stop17h 01mMultiple Airlines
Deal found 4/30$594
Thu 11/710:30 amSTL - MAD
1 stop12h 10mMultiple Airlines
Tue 11/1211:30 amMAD - STL
1 stop17h 01mMultiple Airlines
Deal found 4/30$694
Thu 11/77:40 amSTL - MAD
2 stops15h 00mAmerican Airlines
Tue 11/1210:45 amMAD - STL
2 stops19h 37mAmerican Airlines
Deal found 4/30$695
Thu 11/711:58 amSTL - MAD
1 stop19h 37mAmerican Airlines
Tue 11/121:00 pmMAD - STL
2 stops17h 22mAmerican Airlines
Deal found 4/30$697
Wed 10/911:09 amSTL - MAD
2 stops15h 11mUnited Airlines
Wed 10/1612:15 pmMAD - STL
2 stops28h 52mUnited Airlines
Deal found 5/1$787
Wed 10/212:00 pmSTL - MAD
1 stop14h 20mAir Canada
Wed 10/912:45 pmMAD - STL
2 stops33h 35mAir Canada
Deal found 5/1$795
Wed 10/210:10 amSTL - MAD
2 stops16h 10mAir Canada
Wed 10/912:45 pmMAD - STL
2 stops33h 35mAir Canada
Deal found 5/1$801

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 2,899,487 searches. Data last updated May 1, 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.
Wed 5/81:01 pmSTL - MAD
1 stop13h 04mBritish Airways
Fri 5/1711:35 amMAD - STL
1 stop15h 11mBritish Airways
Deal found 5/1$1,690
Wed 5/89:51 amSTL - MAD
2 stops13h 19mAmerican Airlines
Fri 5/1712:20 pmMAD - STL
1 stop18h 02mAmerican Airlines
Deal found 5/1$1,705
Wed 5/86:02 pmSTL - MAD
3 stops45h 08mMultiple Airlines
Fri 5/1712:20 pmMAD - STL
2 stops41h 57mMultiple Airlines
Deal found 5/1$12,574
Wed 5/86:02 pmSTL - MAD
3 stops45h 08mMultiple Airlines
Fri 5/171:30 pmMAD - STL
3 stops40h 47mMultiple Airlines
Deal found 5/1$12,633

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 2,899,487 searches. Data last updated May 1, 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.
Mon 5/209:26 pmSTL - MAD
3 stops52h 34mMultiple Airlines
Deal found 5/1$314
Wed 9/44:31 pmSTL - MAD
2 stops45h 34mMultiple Airlines
Deal found 5/1$342
Tue 5/212:35 pmSTL - MAD
3 stops35h 25mMultiple Airlines
Deal found 5/1$356
Thu 9/127:48 pmSTL - MAD
2 stops42h 07mMultiple Airlines
Deal found 5/1$383
Sat 5/185:25 pmSTL - MAD
3 stops55h 15mMultiple Airlines
Deal found 5/1$511
Tue 5/212:35 pmSTL - MAD
2 stops23h 20mMultiple Airlines
Deal found 5/1$518
Sat 5/185:25 pmSTL - MAD
2 stops44h 05mMultiple Airlines
Deal found 5/1$537
Fri 5/174:05 pmSTL - MAD
3 stops58h 30mMultiple Airlines
Deal found 5/1$542
Mon 5/209:26 pmSTL - MAD
2 stops29h 19mMultiple Airlines
Deal found 5/1$581

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 2,899,487 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$795 - $1,121

Route

Depart

Return

Price

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/2

1 stop14h 20m

Madrid Barajas

Wed 10/9

2 stops33h 35m

$795

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 10/9

1 stop15h 33m

Madrid Barajas

Wed 10/16

1 stop16h 07m

$801

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 5/15

2 stops18h 22m

Madrid Barajas

Wed 5/22

1 stop14h 16m

$820

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Tue 5/14

2 stops20h 23m

Madrid Barajas

Tue 5/21

1 stop15h 04m

$829

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Fri 5/17

1 stop14h 09m

Madrid Barajas

Wed 5/22

1 stop18h 39m

$854

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Thu 9/26

2 stops18h 09m

Madrid Barajas

Mon 10/14

2 stops29h 14m

$876

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Thu 5/16

2 stops18h 26m

Madrid Barajas

Thu 5/23

2 stops17h 25m

$1,078

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Fri 6/7

1 stop18h 30m

Madrid Barajas

Fri 6/14

1 stop19h 43m

$1,113

Lambert-St LouisMadrid Barajas

STL - MAD

STLMAD

Lambert-St Louis

Wed 6/5

1 stop31h 15m

Madrid Barajas

Thu 6/13

1 stop19h 43m

$1,121

Flights are sorted by cheapest first

Deals found on 4/30

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 January 28, 2024.
The best time to book flights from St. Louis to Madrid is 33 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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Madrid flight should consider departing on Tuesday mornings 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 $454 while a round-trip flight costs $921. Price data was last updated on April 28, 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 $1,196). 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

$603

February

$587

March

$684

April

$696

May

$794

June

$1,196

July

$1,074

August

$805

September

$825

October

$692

November

$588

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 1, 2024.
Read reviews from past customers who have flown American Airlines, Delta and United Airlines 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.
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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.

8.1
Very good
10,874 reviews
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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
1,612 reviews
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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.

7.7
Good
744 reviews
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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
1,794 reviews
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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
11,159 reviews
8.1
Very good
10,874 reviews

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

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 $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Madrid for under $800. The cheapest flight booked recently is on Air Canada for just $795, but on average you can expect to pay $853.

  • Are there last-minute flights available from St. Louis to Madrid for under $1,700?

    There are currently 4+ open flights from St. Louis to Madrid within the next 7 days for less than $1,700.

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

    According to our current data, Air Canada ($795), American Airlines ($801), and Delta ($820) offers the cheapest pricing from St. Louis to Madrid. You may be able to fly from St. Louis to Madrid for 23% 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 American Airlines ($741), Iberia ($742), and British Airways ($771).

  • 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 5/1.

See more FAQs

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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 2,899,487 searches. Data last updated May 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$512Average$686FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest$517Average$867FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$522Average$789FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$542Average$923FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$546Average$916FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$591Average$886FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest$592Average$859FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest$659Average$1,106FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$703Average$1,318FlexibilityNo 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

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

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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.

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