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

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

What airlines fly to Spain?

United Airlines, American Airlines and Iberia 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 30% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 8 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

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 February 2026, there are 8 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.

$279 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.

7:05 am - 7:35 pm

STL

VLC

29h 30m

2 stops

8:30 pm - 7:30 pm

VLC

STL

30h 00m

1 stop

$472British Airways

Sun, Apr 19 - Tue, Apr 28

6:55 pm - 7:35 pm

STL

VLC

17h 40m

2 stops

8:30 pm - 5:21 pm

VLC

STL

27h 51m

2 stops

$475British Airways

Sun, Apr 19 - Tue, Apr 28

7:45 am - 1:15 pm

STL

BCN

22h 30m

1 stop

3:15 pm - 10:56 pm

BCN

STL

14h 41m

1 stop

$487United Airlines

Sun, Apr 12 - Thu, Apr 23

7:45 am - 8:00 am

STL

BCN

17h 15m

2 stops

1:15 pm - 3:24 pm

BCN

STL

33h 09m

1 stop

$488Air Canada

Mon, Apr 13 - Wed, Apr 22

7:45 am - 1:15 pm

STL

BCN

22h 30m

1 stop

12:15 pm - 11:57 pm

BCN

STL

18h 42m

2 stops

$490United Airlines

Sun, Apr 12 - Tue, Apr 21

6:30 am - 8:00 am

STL

BCN

18h 30m

2 stops

12:15 pm - 3:24 pm

BCN

STL

34h 09m

2 stops

$492Air Canada

Mon, Apr 13 - Thu, Apr 23

9:15 am - 5:45 am

STL

MAD

14h 30m

1 stop

11:35 am - 7:33 pm

MAD

STL

14h 58m

1 stop

$534American Airlines

Sun, Mar 22 - Wed, Apr 22

12:27 pm - 12:15 am

STL

VLC

28h 48m

2 stops

6:15 am - 7:33 pm

VLC

STL

20h 18m

2 stops

$597Iberia

Thu, Apr 16 - Fri, Apr 24

11:59 am - 8:30 am

STL

BIO

14h 31m

2 stops

6:45 am - 6:07 pm

BIO

STL

18h 22m

2 stops

$941American Airlines

Fri, Mar 27 - Fri, Apr 3

7:00 am - 8:40 am

STL

OVD

18h 40m

2 stops

5:40 pm - 8:55 am

OVD

STL

22h 15m

2 stops

$1,003Iberia

Thu, Feb 26 - Mon, Mar 2

British Airways flights from St. Louis to Spain

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

British Airways

Apr 19

STL7:05 amLambert-St Louis

29h 30m

2 stops

VLC7:35 pmValencia

Apr 28

VLC8:30 pmValencia

30h 00m

1 stop

STL7:30 pmLambert-St Louis

$472

British Airways

Apr 19

STL6:55 pmLambert-St Louis

17h 40m

2 stops

VLC7:35 pmValencia

Apr 28

VLC8:30 pmValencia

27h 51m

2 stops

STL5:21 pmLambert-St Louis

$475

British Airways

Apr 14

STL2:33 pmLambert-St Louis

16h 42m

2 stops

BCN2:15 pmBarcelona-El Prat

Apr 28

BCN5:25 pmBarcelona-El Prat

33h 05m

1 stop

STL7:30 pmLambert-St Louis

$481

Air Canada flights from St. Louis to Spain

Our best Air Canada deals on St. Louis to Spain flight tickets

Air Canada

Apr 13

STL7:45 amLambert-St Louis

17h 15m

2 stops

BCN8:00 amBarcelona-El Prat

Apr 22

BCN1:15 pmBarcelona-El Prat

33h 09m

1 stop

STL3:24 pmLambert-St Louis

$488

Air Canada

Apr 13

STL7:45 amLambert-St Louis

17h 15m

2 stops

BCN8:00 amBarcelona-El Prat

Apr 21

BCN12:15 pmBarcelona-El Prat

34h 09m

2 stops

STL3:24 pmLambert-St Louis

$492

Air Canada

Apr 12

STL7:45 amLambert-St Louis

18h 35m

2 stops

BCN9:20 amBarcelona-El Prat

Apr 23

BCN12:15 pmBarcelona-El Prat

34h 09m

2 stops

STL3:24 pmLambert-St Louis

$497

Fly from

Fly to

Route

Depart

Return

Price

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Sun 4/19

7:05 am-7:35 pm

2 stops29h 30m

Valencia

Tue 4/28

8:30 pm-7:30 pm

1 stop30h 00m

$472

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Sun 4/19

6:55 pm-7:35 pm

2 stops17h 40m

Valencia

Tue 4/28

8:30 pm-5:21 pm

2 stops27h 51m

$475

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

7:45 am-1:15 pm

1 stop22h 30m

Barcelona-El Prat

Thu 4/23

3:15 pm-10:56 pm

1 stop14h 41m

$487

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 4/13

7:45 am-8:00 am

2 stops17h 15m

Barcelona-El Prat

Wed 4/22

1:15 pm-3:24 pm

1 stop33h 09m

$488

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

7:45 am-1:15 pm

1 stop22h 30m

Barcelona-El Prat

Tue 4/21

12:15 pm-11:57 pm

2 stops18h 42m

$490

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 4/13

6:30 am-8:00 am

2 stops18h 30m

Barcelona-El Prat

Thu 4/23

12:15 pm-3:24 pm

2 stops34h 09m

$492

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 3/22

9:15 am-5:45 am

1 stop14h 30m

Madrid Barajas

Wed 4/22

11:35 am-7:33 pm

1 stop14h 58m

$534

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Thu 4/16

12:27 pm-12:15 am

2 stops28h 48m

Valencia

Fri 4/24

6:15 am-7:33 pm

2 stops20h 18m

$597

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 3/27

11:59 am-8:30 am

2 stops14h 31m

Bilbao

Fri 4/3

6:45 am-6:07 pm

2 stops18h 22m

$941

St. LouisOviedo

STL - OVD

STLOVD

Lambert-St Louis

Thu 2/26

7:00 am-8:40 am

2 stops18h 40m

Oviedo Asturias

Mon 3/2

5:40 pm-8:55 am

2 stops22h 15m

$1,003

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 $666.

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 $848 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.

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	12h 00m
Direct flights	None

The fastest flight from St. Louis to Spain takes 12h 00m

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 February 2026, there are 8 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 $482	Free Cancellation	Rating 6.8 7,784 reviews	Search Lufthansa flights
British Airways	PriceFrom $516	Free Cancellation	Rating 6.7 7,738 reviews	Search British Airways flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,196 reviews	Search Delta flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,286 reviews	Search United Airlines flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,115 reviews	Search Iberia flights
American Airlines	PriceFrom $585	Free Cancellation	Rating 7.2 11,282 reviews	Search American Airlines flights
Air Canada	PriceFrom $593	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
KLM	PriceFrom $634	Free Cancellation	Rating 7.7 1,454 reviews	Search KLM 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.