Cheap flights from St. Louis to Spain from $210

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 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
11:22 am - 9:15 am
STL
-
MAD
14h 53m1 stop
Lufthansa Logo
11:15 am - 11:59 pm
MAD
-
STL
19h 44m1 stop
$437Lufthansa
Mon, Jan 26 - Mon, Feb 2
Lufthansa Logo
11:22 am - 9:15 am
STL
-
MAD
14h 53m1 stop
Lufthansa Logo
11:15 am - 11:59 pm
MAD
-
STL
19h 44m1 stop
$445Lufthansa
Tue, Jan 27 - Tue, Feb 3
United Airlines Logo
6:40 pm - 9:35 am
STL
-
BCN
31h 55m2 stops
United Airlines Logo
1:35 pm - 9:05 pm
BCN
-
STL
38h 30m2 stops
$468United Airlines
Tue, Feb 10 - Tue, Feb 17
Air Canada Logo
4:05 pm - 9:35 am
STL
-
BCN
34h 30m2 stops
Air Canada Logo
1:35 pm - 9:05 pm
BCN
-
STL
38h 30m2 stops
$470Air Canada
Sun, Feb 1 - Tue, Feb 17
United Airlines Logo
8:30 am - 8:00 am
STL
-
MAD
16h 30m2 stops
United Airlines Logo
1:35 pm - 7:27 pm
MAD
-
STL
36h 52m2 stops
$473United Airlines
Mon, Jan 26 - Mon, Feb 2
Air Canada Logo
7:41 am - 9:35 am
STL
-
BCN
42h 54m2 stops
Air Canada Logo
1:35 pm - 9:05 pm
BCN
-
STL
38h 30m2 stops
$474Air Canada
Thu, Feb 19 - Sat, Feb 28
American Airlines Logo
1:35 pm - 4:00 pm
STL
-
TFN
20h 25m2 stops
American Airlines Logo
6:50 am - 10:56 pm
TFN
-
STL
22h 06m2 stops
$790American Airlines
Sun, Feb 8 - Sun, Feb 15
American Airlines Logo
12:01 pm - 2:15 pm
STL
-
TFS
20h 14m2 stops
American Airlines Logo
6:45 am - 10:56 pm
TFS
-
STL
22h 11m2 stops
$791American Airlines
Sun, Feb 8 - Sun, Feb 15
Iberia Logo
9:34 am - 12:40 pm
STL
-
OVD
20h 06m2 stops
Iberia Logo
1:25 pm - 11:03 am
OVD
-
STL
28h 38m2 stops
$921Iberia
Thu, Jan 29 - Mon, Feb 2
Iberia Logo
11:14 am - 9:05 pm
STL
-
SVQ
26h 51m2 stops
Iberia Logo
9:15 am - 8:02 pm
SVQ
-
STL
17h 47m2 stops
$953Iberia
Fri, May 15 - Sun, Jun 7

Lufthansa flights from St. Louis to Spain

Our best Lufthansa deals on St. Louis to Spain flight tickets
Lufthansa
Jan 26
STL11:22 amLambert-St Louis
14h 53m
1 stop
MAD9:15 amMadrid Barajas
Feb 2
MAD11:15 amMadrid Barajas
19h 44m
1 stop
STL11:59 pmLambert-St Louis
Lufthansa
Jan 27
STL11:22 amLambert-St Louis
14h 53m
1 stop
MAD9:15 amMadrid Barajas
Feb 3
MAD11:15 amMadrid Barajas
19h 44m
1 stop
STL11:59 pmLambert-St Louis
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

Delta flights from St. Louis to Spain

Our best Delta deals on St. Louis to Spain flight tickets
Delta
Feb 17
STL6:00 amLambert-St Louis
19h 00m
2 stops
MAD8:00 amMadrid Barajas
Mar 1
MAD10:00 amMadrid Barajas
17h 43m
2 stops
STL8:43 pmLambert-St Louis
Delta
Mar 16
STL1:39 pmLambert-St Louis
22h 01m
2 stops
MAD5:40 pmMadrid Barajas
Mar 24
MAD11:00 amMadrid Barajas
28h 05m
2 stops
STL9:05 amLambert-St Louis
Delta
Feb 15
STL10:14 amLambert-St Louis
22h 06m
2 stops
MAD3:20 pmMadrid Barajas
Mar 1
MAD10:00 amMadrid Barajas
17h 43m
2 stops
STL8:43 pmLambert-St Louis

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 December 28, 2025.
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

Mon 1/26

11:22 am-9:15 am

1 stop14h 53m

Madrid Barajas

Mon 2/2

11:15 am-11:59 pm

1 stop19h 44m

$437

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Tue 1/27

11:22 am-9:15 am

1 stop14h 53m

Madrid Barajas

Tue 2/3

11:15 am-11:59 pm

1 stop19h 44m

$445

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 2/10

6:40 pm-9:35 am

2 stops31h 55m

Barcelona-El Prat

Tue 2/17

1:35 pm-9:05 pm

2 stops38h 30m

$468

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

4:05 pm-9:35 am

2 stops34h 30m

Barcelona-El Prat

Tue 2/17

1:35 pm-9:05 pm

2 stops38h 30m

$470

St. LouisMadrid

STL - MAD

STLMAD

Lambert-St Louis

Mon 1/26

8:30 am-8:00 am

2 stops16h 30m

Madrid Barajas

Mon 2/2

1:35 pm-7:27 pm

2 stops36h 52m

$473

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 2/19

7:41 am-9:35 am

2 stops42h 54m

Barcelona-El Prat

Sat 2/28

1:35 pm-9:05 pm

2 stops38h 30m

$474

St. LouisSanta Cruz de Tenerife

STL - TFN

STLTFN

Lambert-St Louis

Sun 2/8

1:35 pm-4:00 pm

2 stops20h 25m

Santa Cruz de Tenerife Tenerife-Norte

Sun 2/15

6:50 am-10:56 pm

2 stops22h 06m

$790

St. LouisGranadilla

STL - TFS

STLTFS

Lambert-St Louis

Sun 2/8

12:01 pm-2:15 pm

2 stops20h 14m

Granadilla Tenerife-Sur

Sun 2/15

6:45 am-10:56 pm

2 stops22h 11m

$791

St. LouisOviedo

STL - OVD

STLOVD

Lambert-St Louis

Thu 1/29

9:34 am-12:40 pm

2 stops20h 06m

Oviedo Asturias

Mon 2/2

1:25 pm-11:03 am

2 stops28h 38m

$921

St. LouisSeville

STL - SVQ

STLSVQ

Lambert-St Louis

Fri 5/15

11:14 am-9:05 pm

2 stops26h 51m

Sevilla

Sun 6/7

9:15 am-8:02 pm

2 stops17h 47m

$953

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 February, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $663.

What is the cheapest time of day to depart on your flight to Spain?

Flying to Spain from St. Louis in the morning is the least expensive time of day to depart. momondo users have found prices as low as $905 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Spain is in the afternoon when prices are around $1,043.

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 $893 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

11h 56m

Direct flights

None
The fastest flight from St. Louis to Spain takes 11h 56m
There are no direct flights from St. Louis to Spain. There are no popular flight routes 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?

  • 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
7,616 reviews
Search British Airways flights
LufthansaPriceFrom $524Free CancellationRating
6.8
7,659 reviews
Search Lufthansa flights
DeltaPriceFrom $552Free CancellationRating
7.9
8,016 reviews
Search Delta flights
United AirlinesPriceFrom $567Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
IberiaPriceFrom $586Free CancellationRating
7.0
3,059 reviews
Search Iberia flights
American AirlinesPriceFrom $587Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
KLMPriceFrom $590Free CancellationRating
7.7
1,435 reviews
Search KLM flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
10,562 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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1 adult
Tue 1/27
Tue 2/3

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