How long is the flight from Spain to St. Louis?

There are many flights that can get you from Spain to St. Louis in 15h 49m. Fly via British Airways, Delta, or Virgin Atlantic to get the fastest option. Spain and St. Louis are separated by a distance of 4638 mi. This flight may include one or multiple stops.

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 ($471), Lufthansa ($644), and British Airways ($662).

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.

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).

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

While some choose either Barcelona-El Prat - Lambert-St Louis or Bilbao - Lambert-St Louis, Madrid Barajas - Lambert-St Louis is the most popular route from Spain to St. Louis.

What is the cheapest time of day to fly from ES to STL?

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.

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.

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.

$368+ Flights from Spain to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Spain to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 28, 2025.

Sun 12/2811:10 amBCN - STL

2 stops19h 32mDelta

Thu 1/810:33 amSTL - BCN

2 stops20h 27mDelta

Deal found 12/26

$1,443

Sun 12/289:30 amBCN - STL

1 stop19h 13mMultiple Airlines

Thu 1/85:56 pmSTL - BCN

2 stops13h 04mMultiple Airlines

Deal found 12/26

$1,444

Sun 12/2810:55 amBCN - STL

1 stop19h 47mKLM

Thu 1/812:00 pmSTL - BCN

1 stop13h 40mKLM

Deal found 12/26

$1,448

Sun 12/289:55 amBCN - STL

3 stops19h 48mAir Canada

Thu 1/84:05 pmSTL - BCN

2 stops34h 30mAir Canada

Deal found 12/27

$1,629

Best flights from Spain to St. Louis
Discover carefully curated flight deals from Spain to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Thu 1/2210:40 amBCN - STL

1 stop15h 49mBritish Airways

Mon 1/2612:11 pmSTL - BCN

2 stops16h 09mBritish Airways

Deal found 12/27

$766

Thu 1/221:00 pmBCN - STL

2 stops17h 37mMultiple Airlines

Mon 1/2611:23 amSTL - BCN

2 stops16h 47mMultiple Airlines

Deal found 12/27

$778

Wed 1/146:00 amMAD - STL

2 stops21h 43mDelta

Wed 1/216:35 amSTL - MAD

2 stops21h 55mDelta

Deal found 12/26

$779

Mon 1/1210:00 amMAD - STL

2 stops17h 43mVirgin Atlantic

Mon 1/199:59 amSTL - MAD

1 stop16h 16mVirgin Atlantic

Deal found 12/25

$788

Wed 2/48:30 amMAD - STL

2 stops37h 59mAir Canada

Sun 2/86:40 pmSTL - MAD

2 stops30h 20mAir Canada

Deal found 12/27

$800

Wed 2/411:35 amBIO - STL

2 stops18h 23mUnited Airlines

Sun 2/84:49 pmSTL - BIO

2 stops40h 51mUnited Airlines

Deal found 12/25

$804

Thu 1/296:30 pmAGP - STL

2 stops36h 07mScandinavian Airlines

Mon 2/23:45 pmSTL - AGP

2 stops18h 55mScandinavian Airlines

Deal found 12/25

$825

Sat 1/3111:00 amBCN - STL

1 stop19h 59mLufthansa

Sun 2/16:40 pmSTL - BCN

2 stops21h 25mLufthansa

Deal found 12/27

$890

Thu 1/2212:30 pmBCN - STL

1 stop17h 14mAmerican Airlines

Mon 1/269:34 amSTL - BCN

1 stop16h 16mAmerican Airlines

Deal found 12/25

$965

Wed 1/141:15 pmMAD - STL

1 stop16h 29mBritish Airways

Wed 1/212:54 pmSTL - MAD

2 stops14h 46mBritish Airways

Deal found 12/27

$773

Mon 1/1210:00 amMAD - STL

2 stops17h 43mDelta

Mon 1/196:57 pmSTL - MAD

2 stops15h 43mDelta

Deal found 12/25

$784

Sat 1/3110:15 amBCN - STL

2 stops20h 10mVirgin Atlantic

Sun 2/16:57 pmSTL - BCN

2 stops30h 03mVirgin Atlantic

Deal found 12/27

$800

Thu 1/221:35 pmBCN - STL

2 stops16h 23mUnited Airlines

Mon 1/2611:20 amSTL - BCN

2 stops14h 40mUnited Airlines

Deal found 12/27

$809

Thu 1/221:35 pmBCN - STL

2 stops32h 54mAir Canada

Mon 1/269:57 amSTL - BCN

2 stops16h 38mAir Canada

Deal found 12/25

$814

Mon 1/1211:15 amMAD - STL

2 stops30h 47mUnited Airlines

Mon 1/191:15 pmSTL - MAD

2 stops13h 00mUnited Airlines

Deal found 12/26

$811

Wed 3/45:40 pmOVD - STL

2 stops22h 12mAmerican Airlines

Sun 3/86:33 pmSTL - OVD

2 stops36h 07mAmerican Airlines

Deal found 12/25

$985

Wed 2/48:30 amMAD - STL

2 stops22h 29mUnited Airlines

Sun 2/88:05 amSTL - MAD

2 stops18h 10mUnited Airlines

Deal found 12/25

$891

Thu 1/229:20 amEAS - STL

2 stops20h 24mAmerican Airlines

Mon 1/268:13 amSTL - EAS

2 stops17h 27mAmerican Airlines

Deal found 12/27

$1,089

Thu 5/76:50 amBIO - STL

2 stops16h 50mMultiple Airlines

Thu 5/77:05 pmSTL - BIO

2 stops15h 25mMultiple Airlines

Deal found 12/27

$2,310

Last-minute flights from Spain to St. Louis
Discover last-minute flight deals from Spain to St. Louis. Data last updated December 28, 2025 and is based on user searches.

Mon 1/1210:00 amMAD - STL

2 stops17h 43mDelta

Mon 1/196:57 pmSTL - MAD

2 stops15h 43mDelta

Deal found 12/25

$784

Mon 1/1210:00 amMAD - STL

2 stops17h 43mVirgin Atlantic

Mon 1/199:59 amSTL - MAD

1 stop16h 16mVirgin Atlantic

Deal found 12/25

$788

Mon 1/1211:15 amMAD - STL

2 stops30h 47mUnited Airlines

Mon 1/191:15 pmSTL - MAD

2 stops13h 00mUnited Airlines

Deal found 12/26

$811

Wed 1/141:15 pmMAD - STL

1 stop16h 29mBritish Airways

Wed 1/212:54 pmSTL - MAD

2 stops14h 46mBritish Airways

Deal found 12/27

$773

Wed 1/146:00 amMAD - STL

2 stops21h 43mDelta

Wed 1/216:35 amSTL - MAD

2 stops21h 55mDelta

Deal found 12/26

$779

Thu 1/2210:40 amBCN - STL

1 stop15h 49mBritish Airways

Mon 1/2612:11 pmSTL - BCN

2 stops16h 09mBritish Airways

Deal found 12/27

$766

Thu 1/221:00 pmBCN - STL

2 stops17h 37mMultiple Airlines

Mon 1/2611:23 amSTL - BCN

2 stops16h 47mMultiple Airlines

Deal found 12/27

$778

Thu 1/221:35 pmBCN - STL

2 stops16h 23mUnited Airlines

Mon 1/2611:20 amSTL - BCN

2 stops14h 40mUnited Airlines

Deal found 12/27

$809

Thu 1/221:35 pmBCN - STL

2 stops32h 54mAir Canada

Mon 1/269:57 amSTL - BCN

2 stops16h 38mAir Canada

Deal found 12/26

$814

Thu 1/296:30 pmAGP - STL

2 stops36h 07mScandinavian Airlines

Mon 2/23:45 pmSTL - AGP

2 stops18h 55mScandinavian Airlines

Deal found 12/25

$825

Sat 1/3110:15 amBCN - STL

2 stops20h 10mVirgin Atlantic

Sun 2/16:57 pmSTL - BCN

2 stops30h 03mVirgin Atlantic

Deal found 12/27

$800

Sat 1/3111:00 amBCN - STL

1 stop19h 59mLufthansa

Sun 2/16:40 pmSTL - BCN

2 stops21h 25mLufthansa

Deal found 12/27

$890

One-way flights from Spain to St. Louis
Search for one-way flight options from Spain to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Fri 2/67:40 amBCN - STL

2 stops34h 31mMultiple Airlines

Deal found 12/27

$368

Thu 1/159:10 pmMAD - STL

3 stops56h 24mMultiple Airlines

Deal found 12/26

$427

Mon 4/204:40 pmMAD - STL

1 stop12h 08mIberia

Deal found 12/27

$481

Sun 1/187:40 amMAD - STL

3 stops30h 11mMultiple Airlines

Deal found 12/26

$488

Fri 2/137:45 pmBCN - STL

3 stops59h 14mMultiple Airlines

Deal found 12/26

$497

Sun 4/1912:40 pmMAD - STL

1 stop16h 49mIberia

Deal found 12/27

$503

Sun 1/118:15 pmAGP - STL

3 stops57h 19mMultiple Airlines

Deal found 12/26

$528

Thu 5/76:45 amBIO - STL

2 stops22h 03mFinnair

Deal found 12/27

$531

Wed 4/297:40 amBCN - STL

1 stop18h 50mMultiple Airlines

Deal found 12/26

$532

Mon 5/185:30 pmMAD - STL

1 stop22h 12mMultiple Airlines

Deal found 12/26

$540

Wed 4/297:40 amBCN - STL

2 stops19h 23mBritish Airways

Deal found 12/26

$544

Fri 2/1310:40 amBCN - STL

1 stop15h 45mFinnair

Deal found 12/26

$554

Find flight deals from Spain to St. Louis

Round-trip from	$766 (Flighttix)
One-way from	$368 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$879

From Spain to Lambert-St Louis

Search Deals

One-way flight from Spain to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/22

10:40 am-7:29 pm

1 stop15h 49m

Lambert-St Louis

Mon 1/26

12:11 pm-11:20 am

2 stops16h 09m

$766

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/14

1:15 pm-10:44 pm

1 stop16h 29m

Lambert-St Louis

Wed 1/21

2:54 pm-12:40 pm

2 stops14h 46m

$773

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/22

1:00 pm-11:37 pm

2 stops17h 37m

Lambert-St Louis

Mon 1/26

11:23 am-11:10 am

2 stops16h 47m

$778

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 1/14

6:00 am-8:43 pm

2 stops21h 43m

Lambert-St Louis

Wed 1/21

6:35 am-11:30 am

2 stops21h 55m

$779

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Mon 1/12

10:00 am-8:43 pm

2 stops17h 43m

Lambert-St Louis

Mon 1/19

6:57 pm-5:40 pm

2 stops15h 43m

$784

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Mon 1/12

10:00 am-8:43 pm

2 stops17h 43m

Lambert-St Louis

Mon 1/19

9:59 am-9:15 am

1 stop16h 16m

$788

MadridSt. Louis

MAD - STL

MADSTL

Madrid Barajas

Wed 2/4

8:30 am-3:29 pm

2 stops37h 59m

Lambert-St Louis

Sun 2/8

6:40 pm-8:00 am

2 stops30h 20m

$800

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 1/31

10:15 am-11:25 pm

2 stops20h 10m

Lambert-St Louis

Sun 2/1

6:57 pm-8:00 am

2 stops30h 03m

$800

BilbaoSt. Louis

BIO - STL

BIOSTL

Bilbao

Wed 2/4

11:35 am-10:58 pm

2 stops18h 23m

Lambert-St Louis

Sun 2/8

4:49 pm-4:40 pm

2 stops40h 51m

$804

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/22

1:35 pm-10:58 pm

2 stops16h 23m

Lambert-St Louis

Mon 1/26

11:20 am-9:00 am

2 stops14h 40m

$809

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 37 results

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.

Cheapflights Insights

Everything you need to know about your flight from Spain to St. Louis

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

Currently, April is the cheapest month in which you can book a flight from Spain to St. Louis (average of $643). Flying from Spain to St. Louis in July is currently the most expensive (average of $930). 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.

Related info for your journey

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.
How long is the flight from Spain to St. Louis?
There are many flights that can get you from Spain to St. Louis in 15h 49m. Fly via British Airways, Delta, or Virgin Atlantic to get the fastest option. Spain and St. Louis are separated by a distance of 4638 mi. This flight may include one or multiple stops.
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 ($471), Lufthansa ($644), and British Airways ($662).
What are the most popular routes from Spain to St. Louis?
While some choose either Barcelona-El Prat - Lambert-St Louis or Bilbao - 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, April is the cheapest month in which you can book a flight from Spain to St. Louis (average of $643). Flying from Spain to St. Louis in July is currently the most expensive (average of $930). 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

Edwardsville

O'Fallon

Swansea

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

Chesterfield

Alton

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

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.

$368+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spain to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Spain to St. Louis

Cheapest flights from Spain to St. LouisExplore 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 December 28, 2025.

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 December 28, 2025.

Find 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 December 28, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Spain to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Spain to St. Louis

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

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?

How long is the flight from Spain to St. Louis?

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

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

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

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

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

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

Traveling to a place near St. Louis?

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 Spain to St. Louis

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

100% Free

Book with Flexibility

Travel Smart

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 December 28, 2025.