What airlines fly to Spain?

United Airlines, American Airlines and Air Canada are the top three most popular airlines that fly to Spain from St. Louis according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 7 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Lambert-St Louis to Spain?

British Airways, Air Canada, and United Airlines are the most popular carriers operating from Lambert-St Louis to Spain

When did momondo last update prices for flights from Lambert-St Louis Airport to Spain?

Prices for flights from Lambert-St Louis Airport to Spain were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Spain?

As of March 2026, there are 7 operators available to choose from for flights from Lambert-St Louis Airport to Spain.

How old do you have to be to fly from Lambert-St Louis Airport to Spain?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Spain.

What documentation or ID do you need to fly to Spain?

The travel and health documents required for your trip to Spain can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$280 Cheap Flights from St. Louis to Spain in 2026

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Find the cheapest flights from St. Louis to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 7:50 pm

STL

MAD

21h 20m

1 stop

5:55 am - 1:25 pm

MAD

STL

14h 30m

1 stop

$655Lufthansa

Sun, Aug 16 - Sun, Sep 20

11:37 am - 2:55 pm

STL

BCN

20h 18m

2 stops

6:40 am - 1:25 pm

BCN

STL

13h 45m

1 stop

$668Lufthansa

Tue, Apr 21 - Wed, Apr 29

8:54 am - 10:55 am

STL

BCN

19h 01m

1 stop

10:30 am - 4:41 pm

BCN

STL

13h 11m

1 stop

$678British Airways

Sun, Apr 12 - Tue, Apr 28

11:15 am - 9:00 am

STL

MAD

14h 45m

2 stops

12:45 pm - 9:13 pm

MAD

STL

39h 28m

2 stops

$680United Airlines

Tue, Apr 14 - Wed, Apr 22

4:05 pm - 6:50 am

STL

MAD

31h 45m

2 stops

12:45 pm - 9:13 pm

MAD

STL

39h 28m

2 stops

$683Air Canada

Mon, Apr 13 - Wed, Apr 22

8:03 pm - 5:05 pm

STL

BCN

14h 02m

2 stops

10:45 am - 7:30 pm

BCN

STL

15h 45m

1 stop

$683British Airways

Sun, Apr 12 - Tue, Apr 28

8:30 am - 8:05 am

STL

MAD

16h 35m

1 stop

5:55 am - 1:25 pm

MAD

STL

14h 30m

1 stop

$685United Airlines

Tue, Apr 14 - Wed, Apr 29

4:05 pm - 11:30 am

STL

SVQ

36h 25m

2 stops

9:10 am - 12:06 pm

SVQ

STL

33h 56m

2 stops

$738Air Canada

Tue, Apr 28 - Tue, May 5

7:05 am - 8:40 am

STL

EAS

18h 35m

2 stops

9:20 am - 10:24 pm

EAS

STL

20h 04m

2 stops

$1,128American Airlines

Mon, Apr 6 - Sun, Apr 12

11:45 am - 2:20 pm

STL

TFS

20h 35m

2 stops

6:25 am - 10:19 pm

TFS

STL

21h 54m

2 stops

$1,148American Airlines

Fri, May 1 - Fri, May 8

British Airways flights from St. Louis to Spain

Our best British Airways deals on St. Louis to Spain flight tickets

British Airways

Apr 12

STL8:54 amLambert-St Louis

19h 01m

1 stop

BCN10:55 amBarcelona-El Prat

Apr 28

BCN10:30 amBarcelona-El Prat

13h 11m

1 stop

STL4:41 pmLambert-St Louis

$678

British Airways

Apr 12

STL8:03 pmLambert-St Louis

14h 02m

2 stops

BCN5:05 pmBarcelona-El Prat

Apr 28

BCN10:45 amBarcelona-El Prat

15h 45m

1 stop

STL7:30 pmLambert-St Louis

$683

British Airways

Aug 15

STL1:01 pmLambert-St Louis

33h 29m

1 stop

MAD5:30 amMadrid Barajas

Sep 12

MAD3:25 pmMadrid Barajas

15h 13m

1 stop

STL11:38 pmLambert-St Louis

$686

KLM flights from St. Louis to Spain

Our best KLM deals on St. Louis to Spain flight tickets

KLM

Apr 1

STL5:59 pmLambert-St Louis

15h 26m

2 stops

MAD4:25 pmMadrid Barajas

Apr 24

MAD12:45 pmMadrid Barajas

17h 51m

1 stop

STL11:36 pmLambert-St Louis

$876

KLM

Apr 28

STL1:02 pmLambert-St Louis

21h 53m

2 stops

TFN4:55 pmSanta Cruz de Tenerife Tenerife-Norte

May 5

TFN7:15 amSanta Cruz de Tenerife Tenerife-Norte

38h 17m

2 stops

STL3:32 pmLambert-St Louis

$879

KLM

Apr 27

STL1:02 pmLambert-St Louis

21h 53m

2 stops

TFN4:55 pmSanta Cruz de Tenerife Tenerife-Norte

May 4

TFN7:15 amSanta Cruz de Tenerife Tenerife-Norte

22h 21m

2 stops

STL11:36 pmLambert-St Louis

$883

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 8/16

3:30 pm-7:50 pm

1 stop21h 20m

Madrid Barajas

Sun 9/20

5:55 am-1:25 pm

1 stop14h 30m

$655

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/21

11:37 am-2:55 pm

2 stops20h 18m

Barcelona-El Prat

Wed 4/29

6:40 am-1:25 pm

1 stop13h 45m

$668

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

8:54 am-10:55 am

1 stop19h 01m

Barcelona-El Prat

Tue 4/28

10:30 am-4:41 pm

1 stop13h 11m

$678

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 4/14

11:15 am-9:00 am

2 stops14h 45m

Madrid Barajas

Wed 4/22

12:45 pm-9:13 pm

2 stops39h 28m

$680

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Mon 4/13

4:05 pm-6:50 am

2 stops31h 45m

Madrid Barajas

Wed 4/22

12:45 pm-9:13 pm

2 stops39h 28m

$683

Quickest round-trip

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

8:03 pm-5:05 pm

2 stops14h 02m

Barcelona-El Prat

Tue 4/28

10:45 am-7:30 pm

1 stop15h 45m

$683

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 4/14

8:30 am-8:05 am

1 stop16h 35m

Madrid Barajas

Wed 4/29

5:55 am-1:25 pm

1 stop14h 30m

$685

St. LouisSeville

STL - SVQ

STLSVQ

Lambert-St Louis

Tue 4/28

4:05 pm-11:30 am

2 stops36h 25m

Sevilla

Tue 5/5

9:10 am-12:06 pm

2 stops33h 56m

$738

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Mon 4/6

7:05 am-8:40 am

2 stops18h 35m

San Sebastián

Sun 4/12

9:20 am-10:24 pm

2 stops20h 04m

$1,128

St. LouisGranadilla

STL - TFS

STLTFS

Lambert-St Louis

Fri 5/1

11:45 am-2:20 pm

2 stops20h 35m

Granadilla Tenerife-Sur

Fri 5/8

6:25 am-10:19 pm

2 stops21h 54m

$1,148

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Spain

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in January, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $663.

How far in advance should I book a flight to Spain?

You are more likely to see cheaper flights to Spain from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $855 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from St. Louis for as low as $628 on momondo.

Can stopping save me money on St. Louis to Spain flights?

You could potentially save up to 24% on your flight if you consider stops on a St. Louis to Spain flight.

Cheap St. Louis to Spain flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Spain

Fastest flight time	10h 27m
Direct flights	None

The fastest flight from St. Louis to Spain takes 10h 27m

There are no direct flights from St. Louis to Spain. There are no popular flight routes from St. Louis to Spain.

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Spain?
Prices for flights from Lambert-St Louis Airport to Spain were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Spain?
As of March 2026, there are 7 operators available to choose from for flights from Lambert-St Louis Airport to Spain.
How old do you have to be to fly from Lambert-St Louis Airport to Spain?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Spain.
What documentation or ID do you need to fly to Spain?
The travel and health documents required for your trip to Spain can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from St. Louis to Spain

Compare and see reviews for airlines that fly from St. Louis to Spain with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $480	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa flights
Delta	PriceFrom $489	Free Cancellation	Rating 7.9 8,287 reviews	Search Delta flights
British Airways	PriceFrom $516	Free Cancellation	Rating 6.7 7,799 reviews	Search British Airways flights
Iberia	PriceFrom $552	Free Cancellation	Rating 7.0 3,138 reviews	Search Iberia flights
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 9,437 reviews	Search United Airlines flights
American Airlines	PriceFrom $582	Free Cancellation	Rating 7.1 11,469 reviews	Search American Airlines flights
Air Canada	PriceFrom $593	Free Cancellation	Rating 7.1 10,813 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Spain?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Spain. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Spain with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Spain from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Spain?

Once you have performed a search for St. Louis to Spain flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Spain right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Spain from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.