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Cheap flights from St. Louis to Spain from $220

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 4/27. 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.
United Airlines Logo
6:40 pm - 9:35 am
STL
-
BCN
31h 55m2 stops
United Airlines Logo
1:35 pm - 2:30 pm
BCN
-
STL
31h 55m2 stops
$419United Airlines
Tue, Jan 27 - Tue, Feb 3
British Airways Logo
7:05 am - 7:30 pm
STL
-
VLC
29h 25m2 stops
British Airways Logo
8:30 pm - 7:30 pm
VLC
-
STL
30h 00m1 stop
$420British Airways
Sun, Apr 19 - Mon, Apr 27
American Airlines Logo
11:55 am - 8:50 am
STL
-
BCN
13h 55m1 stop
American Airlines Logo
11:00 am - 11:56 pm
BCN
-
STL
19h 56m1 stop
$435American Airlines
Sun, Feb 1 - Tue, Feb 17
Iberia Logo
9:25 am - 6:15 am
STL
-
MAD
13h 50m1 stop
Iberia Logo
12:40 pm - 11:22 pm
MAD
-
STL
17h 42m1 stop
$439Iberia
Tue, Feb 10 - Tue, Feb 17
American Airlines Logo
9:54 am - 9:00 am
STL
-
BCN
16h 06m2 stops
American Airlines Logo
11:00 am - 11:56 pm
BCN
-
STL
19h 56m1 stop
$440American Airlines
Sun, Feb 1 - Tue, Feb 17
Delta Logo
6:35 am - 8:00 am
STL
-
MAD
18h 25m2 stops
Delta Logo
10:00 am - 8:43 pm
MAD
-
STL
17h 43m2 stops
$444Delta
Tue, Feb 10 - Tue, Feb 17
Iberia Logo
7:00 am - 5:05 pm
STL
-
LEI
27h 05m2 stops
Iberia Logo
7:10 am - 6:00 pm
LEI
-
STL
17h 50m2 stops
$585Iberia
Thu, Feb 19 - Thu, Feb 26
Lufthansa Logo
7:00 pm - 1:55 pm
STL
-
TFS
36h 55m2 stops
Lufthansa Logo
5:30 pm - 2:55 pm
TFS
-
STL
26h 25m2 stops
$749Lufthansa
Sat, Mar 7 - Sat, Mar 14
Lufthansa Logo
7:00 pm - 1:55 pm
STL
-
TFS
36h 55m2 stops
Lufthansa Logo
3:00 pm - 2:55 pm
TFS
-
STL
28h 55m1 stop
$755Lufthansa
Sat, Mar 7 - Sat, Mar 14
Delta Logo
9:45 am - 1:35 pm
STL
-
TFN
21h 50m2 stops
Delta Logo
9:55 am - 8:06 pm
TFN
-
STL
40h 11m2 stops
$1,048Delta
Wed, Jan 21 - Sun, Jan 25

Delta flights from St. Louis to Spain

Our best Delta deals on St. Louis to Spain flight tickets
Delta
Feb 10
STL6:35 amLambert-St Louis
18h 25m
2 stops
MAD8:00 amMadrid Barajas
Feb 17
MAD10:00 amMadrid Barajas
17h 43m
2 stops
STL8:43 pmLambert-St Louis
$444
Find similar
Delta
Mar 9
STL7:03 amLambert-St Louis
18h 32m
1 stop
BCN7:35 amBarcelona-El Prat
Mar 18
BCN9:45 amBarcelona-El Prat
14h 08m
1 stop
STL5:53 pmLambert-St Louis
$485
Find similar
Delta
Mar 9
STL10:12 amLambert-St Louis
21h 48m
2 stops
BCN2:00 pmBarcelona-El Prat
Mar 19
BCN9:45 amBarcelona-El Prat
31h 24m
1 stop
STL11:09 amLambert-St Louis
$489
Find similar

Lufthansa flights from St. Louis to Spain

Our best Lufthansa deals on St. Louis to Spain flight tickets
Lufthansa
Feb 17
STL11:39 amLambert-St Louis
14h 36m
1 stop
MAD9:15 amMadrid Barajas
Mar 1
MAD5:55 amMadrid Barajas
15h 00m
1 stop
STL1:55 pmLambert-St Louis
$463
Find similar
Lufthansa
Feb 5
STL11:22 amLambert-St Louis
14h 53m
1 stop
MAD9:15 amMadrid Barajas
Feb 13
MAD11:15 amMadrid Barajas
19h 50m
1 stop
STL12:05 amLambert-St Louis
$472
Find similar
Lufthansa
Feb 17
STL11:39 amLambert-St Louis
14h 36m
1 stop
MAD9:15 amMadrid Barajas
Mar 1
MAD7:25 amMadrid Barajas
21h 15m
2 stops
STL9:40 pmLambert-St Louis
$474
Find similar

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 January 6, 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. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 1/27

6:40 pm-9:35 am

2 stops31h 55m

Barcelona-El Prat

Tue 2/3

1:35 pm-2:30 pm

2 stops31h 55m

$419

St. LouisValencia

STL - VLC

STLVLC

Lambert-St Louis

Sun 4/19

7:05 am-7:30 pm

2 stops29h 25m

Valencia

Mon 4/27

8:30 pm-7:30 pm

1 stop30h 00m

$420

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

11:55 am-8:50 am

1 stop13h 55m

Barcelona-El Prat

Tue 2/17

11:00 am-11:56 pm

1 stop19h 56m

$435

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 2/10

9:25 am-6:15 am

1 stop13h 50m

Madrid Barajas

Tue 2/17

12:40 pm-11:22 pm

1 stop17h 42m

$439

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

9:54 am-9:00 am

2 stops16h 06m

Barcelona-El Prat

Tue 2/17

11:00 am-11:56 pm

1 stop19h 56m

$440

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 2/10

6:35 am-8:00 am

2 stops18h 25m

Madrid Barajas

Tue 2/17

10:00 am-8:43 pm

2 stops17h 43m

$444

St. LouisAlmería

STL - LEI

STLLEI

Lambert-St Louis

Thu 2/19

7:00 am-5:05 pm

2 stops27h 05m

Almeria

Thu 2/26

7:10 am-6:00 pm

2 stops17h 50m

$585

St. LouisGranadilla

STL - TFS

STLTFS

Lambert-St Louis

Sat 3/7

7:00 pm-1:55 pm

2 stops36h 55m

Granadilla Tenerife-Sur

Sat 3/14

5:30 pm-2:55 pm

2 stops26h 25m

$749

St. LouisGranadilla

STL - TFS

STLTFS

Lambert-St Louis

Sat 3/7

7:00 pm-1:55 pm

2 stops36h 55m

Granadilla Tenerife-Sur

Sat 3/14

3:00 pm-2:55 pm

1 stop28h 55m

$755

St. LouisSanta Cruz de Tenerife

STL - TFN

STLTFN

Lambert-St Louis

Wed 1/21

9:45 am-1:35 pm

2 stops21h 50m

Santa Cruz de Tenerife Tenerife-Norte

Sun 1/25

9:55 am-8:06 pm

2 stops40h 11m

$1,048

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 $870 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 $724 on momondo.

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

You could potentially save up to 23% 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

12h 30m

Direct flights

None
The fastest flight from St. Louis to Spain takes 12h 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

  • 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
British AirwaysPriceFrom $516Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
LufthansaPriceFrom $524Free CancellationRating
6.8
7,689 reviews
Search Lufthansa flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
9,137 reviews
Search United Airlines flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,074 reviews
Search Iberia flights
American AirlinesPriceFrom $587Free CancellationRating
7.2
11,090 reviews
Search American Airlines flights
DeltaPriceFrom $587Free CancellationRating
7.9
8,022 reviews
Search Delta flights
KLMPriceFrom $590Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
10,599 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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