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Cheap flights from St. Louis to Spain from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Spain departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 8:00 am
STL
-
MAD
32h 55m
2 stops
Air Canada Logo
12:40 pm - 3:29 pm
MAD
-
STL
32h 49m
2 stops
$469Air Canada
Sun, Mar 1 - Mon, Mar 16
British Airways Logo
8:03 pm - 7:35 pm
STL
-
VLC
16h 32m
2 stops
British Airways Logo
8:30 pm - 7:30 pm
VLC
-
STL
30h 00m
1 stop
$472British Airways
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
7:41 am - 8:00 am
STL
-
MAD
17h 19m
2 stops
United Airlines Logo
12:40 pm - 10:59 pm
MAD
-
STL
40h 19m
2 stops
$475United Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
12:15 pm - 4:40 pm
STL
-
MAD
21h 25m
2 stops
United Airlines Logo
12:40 pm - 6:00 pm
MAD
-
STL
35h 20m
2 stops
$480United Airlines
Wed, Mar 4 - Thu, Mar 12
Lufthansa Logo
3:50 pm - 8:15 pm
STL
-
MAD
21h 25m
1 stop
Lufthansa Logo
6:00 am - 10:59 pm
MAD
-
STL
22h 59m
2 stops
$488Lufthansa
Wed, Mar 4 - Thu, Mar 12
Lufthansa Logo
3:30 pm - 12:05 pm
STL
-
VLC
13h 35m
1 stop
Lufthansa Logo
6:05 am - 1:25 pm
VLC
-
STL
14h 20m
1 stop
$492Lufthansa
Wed, Apr 22 - Fri, May 1
American Airlines Logo
7:05 am - 8:30 am
STL
-
SVQ
18h 25m
2 stops
American Airlines Logo
9:10 am - 11:58 pm
SVQ
-
STL
20h 48m
2 stops
$930American Airlines
Fri, Mar 6 - Fri, Mar 13
Iberia Logo
11:46 am - 9:00 pm
STL
-
IBZ
26h 14m
2 stops
Iberia Logo
1:30 pm - 11:04 pm
IBZ
-
STL
40h 34m
2 stops
$984Iberia
Wed, Feb 25 - Sun, Mar 1
Iberia Logo
7:00 am - 12:40 pm
STL
-
OVD
22h 40m
2 stops
Iberia Logo
1:25 pm - 11:01 am
OVD
-
STL
28h 36m
2 stops
$1,003Iberia
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
11:50 am - 1:25 pm
STL
-
TFN
19h 35m
2 stops
American Airlines Logo
6:50 am - 7:30 pm
TFN
-
STL
17h 40m
2 stops
$1,351American Airlines
Sat, Mar 7 - Sat, Mar 14

United Airlines flights from St. Louis to Spain

Our best United Airlines deals on St. Louis to Spain flight tickets
United Airlines
Mar 4
STL12:15 pmLambert-St Louis
21h 25m
2 stops
MAD4:40 pmMadrid Barajas
Mar 12
MAD12:40 pmMadrid Barajas
35h 20m
2 stops
STL6:00 pmLambert-St Louis
$480
United Airlines
Apr 19
STL3:30 pmLambert-St Louis
19h 05m
1 stop
VLC5:35 pmValencia
May 1
VLC6:05 amValencia
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$487
United Airlines
Apr 8
STL6:00 amLambert-St Louis
28h 35m
2 stops
VLC5:35 pmValencia
Apr 17
VLC6:05 amValencia
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$491

Lufthansa flights from St. Louis to Spain

Our best Lufthansa deals on St. Louis to Spain flight tickets
Lufthansa
Mar 4
STL3:50 pmLambert-St Louis
21h 25m
1 stop
MAD8:15 pmMadrid Barajas
Mar 12
MAD6:00 amMadrid Barajas
22h 59m
2 stops
STL10:59 pmLambert-St Louis
$488
Lufthansa
Mar 4
STL3:50 pmLambert-St Louis
17h 10m
1 stop
MAD4:00 pmMadrid Barajas
Mar 12
MAD6:00 amMadrid Barajas
18h 00m
2 stops
STL6:00 pmLambert-St Louis
$489
Lufthansa
Apr 22
STL3:30 pmLambert-St Louis
13h 35m
1 stop
VLC12:05 pmValencia
May 1
VLC6:05 amValencia
14h 20m
1 stop
STL1:25 pmLambert-St Louis
$492

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Spain 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, momondo users made 832,500 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from St. Louis to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Sun 3/1

4:05 pm-8:00 am

2 stops32h 55m

Madrid Barajas

Mon 3/16

12:40 pm-3:29 pm

2 stops32h 49m

$469

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Sun 4/19

8:03 pm-7:35 pm

2 stops16h 32m

Valencia

Tue 4/28

8:30 pm-7:30 pm

1 stop30h 00m

$472

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 3/3

7:41 am-8:00 am

2 stops17h 19m

Madrid Barajas

Tue 3/10

12:40 pm-10:59 pm

2 stops40h 19m

$475

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Wed 3/4

12:15 pm-4:40 pm

2 stops21h 25m

Madrid Barajas

Thu 3/12

12:40 pm-6:00 pm

2 stops35h 20m

$480

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Wed 3/4

3:50 pm-8:15 pm

1 stop21h 25m

Madrid Barajas

Thu 3/12

6:00 am-10:59 pm

2 stops22h 59m

$488

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Wed 4/22

3:30 pm-12:05 pm

1 stop13h 35m

Valencia

Fri 5/1

6:05 am-1:25 pm

1 stop14h 20m

$492

St. LouisSeville

STL - SVQ

STLSVQ

Lambert-St Louis

Fri 3/6

7:05 am-8:30 am

2 stops18h 25m

Sevilla

Fri 3/13

9:10 am-11:58 pm

2 stops20h 48m

$930

St. LouisIbiza

STL - IBZ

STLIBZ

Lambert-St Louis

Wed 2/25

11:46 am-9:00 pm

2 stops26h 14m

Ibiza

Sun 3/1

1:30 pm-11:04 pm

2 stops40h 34m

$984

St. LouisOviedo

STL - OVD

STLOVD

Lambert-St Louis

Thu 2/26

7:00 am-12:40 pm

2 stops22h 40m

Oviedo Asturias

Mon 3/2

1:25 pm-11:01 am

2 stops28h 36m

$1,003

St. LouisSanta Cruz de Tenerife

STL - TFN

STLTFN

Lambert-St Louis

Sat 3/7

11:50 am-1:25 pm

2 stops19h 35m

Santa Cruz de Tenerife Tenerife-Norte

Sat 3/14

6:50 am-7:30 pm

2 stops17h 40m

$1,351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Spain from

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

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in January, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $640.

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 $854 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 $657 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

10h 50m

Direct flights

None
The fastest flight from St. Louis to Spain takes 10h 50m
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?

  • 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
LufthansaPriceFrom $482Free CancellationRating
6.8
7,761 reviews
Search Lufthansa flights
British AirwaysPriceFrom $511Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
IberiaPriceFrom $580Free CancellationRating
7.0
3,104 reviews
Search Iberia flights
DeltaPriceFrom $580Free CancellationRating
7.9
8,147 reviews
Search Delta flights
American AirlinesPriceFrom $585Free CancellationRating
7.2
11,230 reviews
Search American Airlines flights
KLMPriceFrom $590Free CancellationRating
7.7
1,448 reviews
Search KLM flights
Air CanadaPriceFrom $593Free CancellationRating
7.1
10,689 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.

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Find better results for your trip to Spain

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Popular flights according to clicks in the last 7 days on momondo
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