What airlines fly to Spain?

United Airlines, American Airlines and British Airways 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 34% 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?

Lufthansa, WestJet, 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 May 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.

$307 Cheap Flights from St. Louis to Spain in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

9:35 pm - 8:35 pm

STL

VLC

16h 00m

1 stop

11:25 am - 7:30 pm

VLC

STL

15h 05m

1 stop

$726British Airways

Wed, Oct 14 - Wed, Oct 21

5:57 pm - 5:30 pm

STL

BIO

16h 33m

2 stops

6:45 am - 5:06 pm

BIO

STL

17h 21m

2 stops

$745Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

3:30 pm - 12:05 pm

STL

VLC

13h 35m

1 stop

12:55 pm - 10:59 pm

VLC

STL

17h 04m

2 stops

$748Lufthansa

Wed, Oct 14 - Wed, Oct 21

3:30 pm - 12:05 pm

STL

VLC

13h 35m

1 stop

11:50 am - 9:21 pm

VLC

STL

16h 31m

2 stops

$750Lufthansa

Wed, Oct 14 - Wed, Oct 21

6:30 am - 12:10 pm

STL

VLC

22h 40m

3 stops

6:20 pm - 10:06 pm

VLC

STL

34h 46m

2 stops

$778United Airlines

Mon, Nov 16 - Mon, Nov 23

9:35 pm - 5:25 pm

STL

VLC

12h 50m

1 stop

11:25 am - 7:30 pm

VLC

STL

15h 05m

1 stop

$784American Airlines

Fri, Oct 2 - Wed, Oct 7

9:35 pm - 5:25 pm

STL

VLC

12h 50m

1 stop

11:25 am - 7:30 pm

VLC

STL

15h 05m

1 stop

$785American Airlines

Fri, Oct 2 - Wed, Oct 7

9:35 pm - 10:15 pm

STL

OVD

17h 40m

2 stops

11:10 pm - 7:30 pm

OVD

STL

27h 20m

2 stops

$808Iberia

Tue, Sep 29 - Tue, Oct 6

8:00 am - 5:55 pm

STL

BIO

26h 55m

2 stops

6:50 am - 9:21 pm

BIO

STL

21h 31m

2 stops

$852United Airlines

Fri, Oct 2 - Sun, Oct 11

9:35 pm - 8:40 am

STL

EAS

28h 05m

2 stops

1:40 pm - 11:41 pm

EAS

STL

17h 01m

2 stops

$942Iberia

Fri, Oct 2 - Sun, Oct 11

United Airlines flights from St. Louis to Spain

Our best United Airlines deals on St. Louis to Spain flight tickets

United Airlines

Oct 7

STL2:40 pmLambert-St Louis

11h 55m

1 stop

MAD9:35 amMadrid Barajas

Oct 21

MAD12:45 pmMadrid Barajas

39h 39m

2 stops

STL9:24 pmLambert-St Louis

$747

United Airlines

Oct 7

STL6:00 amLambert-St Louis

19h 05m

2 stops

MAD8:05 amMadrid Barajas

Oct 21

MAD12:45 pmMadrid Barajas

39h 39m

2 stops

STL9:24 pmLambert-St Louis

$748

United Airlines

Oct 21

STL6:00 amLambert-St Louis

19h 05m

2 stops

MAD8:05 amMadrid Barajas

Oct 30

MAD6:00 amMadrid Barajas

14h 45m

1 stop

STL2:45 pmLambert-St Louis

$758

Lufthansa flights from St. Louis to Spain

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

Lufthansa

Oct 14

STL3:30 pmLambert-St Louis

13h 35m

1 stop

VLC12:05 pmValencia

Oct 21

VLC12:55 pmValencia

17h 04m

2 stops

STL10:59 pmLambert-St Louis

$748

Lufthansa

Oct 14

STL3:30 pmLambert-St Louis

13h 35m

1 stop

VLC12:05 pmValencia

Oct 21

VLC11:50 amValencia

16h 31m

2 stops

STL9:21 pmLambert-St Louis

$750

Lufthansa

Sep 28

STL1:29 pmLambert-St Louis

21h 11m

2 stops

MAD5:40 pmMadrid Barajas

Oct 9

MAD6:00 amMadrid Barajas

14h 25m

1 stop

STL1:25 pmLambert-St Louis

$752

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Wed 10/14

9:35 pm-8:35 pm

1 stop16h 00m

Valencia

Wed 10/21

11:25 am-7:30 pm

1 stop15h 05m

$726

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Tue 9/29

5:57 pm-5:30 pm

2 stops16h 33m

Bilbao

Tue 10/6

6:45 am-5:06 pm

2 stops17h 21m

$745

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Wed 10/14

3:30 pm-12:05 pm

1 stop13h 35m

Valencia

Wed 10/21

12:55 pm-10:59 pm

2 stops17h 04m

$748

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Wed 10/14

3:30 pm-12:05 pm

1 stop13h 35m

Valencia

Wed 10/21

11:50 am-9:21 pm

2 stops16h 31m

$750

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Mon 11/16

6:30 am-12:10 pm

3 stops22h 40m

Valencia

Mon 11/23

6:20 pm-10:06 pm

2 stops34h 46m

$778

Quickest round-trip

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Fri 10/2

9:35 pm-5:25 pm

1 stop12h 50m

Valencia

Wed 10/7

11:25 am-7:30 pm

1 stop15h 05m

$784

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Fri 10/2

9:35 pm-5:25 pm

1 stop12h 50m

Valencia

Wed 10/7

11:25 am-7:30 pm

1 stop15h 05m

$785

St. LouisOviedo

STL - OVD

STLOVD

Lambert-St Louis

Tue 9/29

9:35 pm-10:15 pm

2 stops17h 40m

Oviedo Asturias

Tue 10/6

11:10 pm-7:30 pm

2 stops27h 20m

$808

St. LouisBilbao

STL - BIO

STLBIO

Lambert-St Louis

Fri 10/2

8:00 am-5:55 pm

2 stops26h 55m

Bilbao

Sun 10/11

6:50 am-9:21 pm

2 stops21h 31m

$852

St. LouisSan Sebastian

STL - EAS

STLEAS

Lambert-St Louis

Fri 10/2

9:35 pm-8:40 am

2 stops28h 05m

San Sebastián

Sun 10/11

1:40 pm-11:41 pm

2 stops17h 01m

$942

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 December, then you should wait until March to fly from St. Louis, when ticket prices are also cheap, with an average price of $431.

How far in advance should I book a flight from St. Louis 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 $834 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 $581 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 30m
Direct flights	None

The fastest flight from St. Louis to Spain takes 10h 30m

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

Search flight deals

Frequently asked questions about flying from 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 May 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 8,032 reviews	Search Lufthansa flights
Delta	PriceFrom $489	Free Cancellation	Rating 7.9 8,422 reviews	Search Delta flights
British Airways	PriceFrom $516	Free Cancellation	Rating 6.7 8,008 reviews	Search British Airways flights
United Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 9,760 reviews	Search United Airlines flights
Iberia	PriceFrom $568	Free Cancellation	Rating 7.0 3,222 reviews	Search Iberia flights
Air Canada	PriceFrom $576	Free Cancellation	Rating 7.1 11,096 reviews	Search Air Canada flights
American Airlines	PriceFrom $582	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines 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.