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Cheap flights from St. Louis to Barcelona from $355

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
5:30 pm - 8:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
32h 05m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Virgin Atlantic Logo
10:35 am - 12:05 amBCN  Barcelona-El Prat-STL Lambert-St Louis
20h 30m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$735Virgin Atlantic
Mon, Nov 30 - Wed, Dec 16
Virgin Atlantic Logo
5:30 pm - 8:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
32h 05m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Virgin Atlantic Logo
10:50 am - 12:05 amBCN  Barcelona-El Prat-STL Lambert-St Louis
20h 15m1 stop Atlanta Hartsfield-Jackson
$741Virgin Atlantic
Mon, Nov 30 - Wed, Dec 16
United Airlines Logo
11:00 am - 8:20 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
14h 20m1 stop Newark
United Airlines Logo
1:35 pm - 6:18 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
35h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$744United Airlines
Sun, Dec 6 - Fri, Dec 25
Lufthansa Logo
3:40 pm - 4:30 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
17h 50m1 stop Frankfurt am Main
Lufthansa Logo
6:50 am - 1:45 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
$744Lufthansa
Wed, Feb 24 - Wed, Mar 3
United Airlines Logo
6:10 am - 8:20 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
19h 10m1 stop Newark
United Airlines Logo
1:35 pm - 11:20 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
40h 45m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$745United Airlines
Sun, Dec 13 - Fri, Jan 15
Air Canada Logo
5:25 am - 9:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
21h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:35 pm - 2:18 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
31h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$748Air Canada
Sun, Dec 6 - Fri, Dec 25
Lufthansa Logo
3:40 pm - 1:00 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
14h 20m1 stop Frankfurt am Main
Lufthansa Logo
5:55 am - 1:45 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
14h 50m1 stop Frankfurt am Main
$762Lufthansa
Sun, Jan 24 - Fri, Jan 29
Delta Logo
7:03 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
18h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 am - 10:04 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
18h 14m1 stop Atlanta Hartsfield-Jackson
$765Delta
Sun, Dec 6 - Fri, Dec 25
Air Canada Logo
6:40 am - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
18h 20m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:15 pm - 5:03 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
35h 48m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$771Air Canada
Mon, Apr 12 - Fri, Apr 23
Delta Logo
6:00 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
19h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 am - 11:55 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
20h 05m1 stop Atlanta Hartsfield-Jackson
$919Delta
Mon, Dec 14 - Mon, Dec 21

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American Airlines flights from St. Louis to Barcelona

Our best American Airlines deals on St. Louis to Barcelona flight tickets
American Airlines
Jan 24
STL5:49 pmLambert-St Louis
15h 16m
2 stops
BCN4:05 pmBarcelona-El Prat
Jan 29
BCN12:00 pmBarcelona-El Prat
15h 31m
1 stop
STL8:31 pmLambert-St Louis
$787
American Airlines
Jan 24
STL6:00 amLambert-St Louis
20h 10m
1 stop
BCN9:10 amBarcelona-El Prat
Jan 29
BCN12:00 pmBarcelona-El Prat
15h 31m
1 stop
STL8:31 pmLambert-St Louis
$788
American Airlines
Jan 24
STL1:46 pmLambert-St Louis
14h 49m
2 stops
BCN11:35 amBarcelona-El Prat
Jan 29
BCN12:00 pmBarcelona-El Prat
16h 49m
2 stops
STL9:49 pmLambert-St Louis
$791

United Airlines flights from St. Louis to Barcelona

Our best United Airlines deals on St. Louis to Barcelona flight tickets
United Airlines
Dec 6
STL11:00 amLambert-St Louis
14h 20m
1 stop
BCN8:20 amBarcelona-El Prat
Dec 25
BCN1:35 pmBarcelona-El Prat
35h 43m
2 stops
STL6:18 pmLambert-St Louis
$744
United Airlines
Dec 13
STL6:10 amLambert-St Louis
19h 10m
1 stop
BCN8:20 amBarcelona-El Prat
Jan 15
BCN1:35 pmBarcelona-El Prat
40h 45m
2 stops
STL11:20 pmLambert-St Louis
$745
United Airlines
Dec 13
STL8:02 amLambert-St Louis
18h 33m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 15
BCN1:35 pmBarcelona-El Prat
39h 17m
2 stops
STL9:52 pmLambert-St Louis
$748

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Barcelona that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 11/30

5:30 pm-8:35 am

2 stops32h 05m

Barcelona-El Prat

Wed 12/16

10:35 am-12:05 am

2 stops20h 30m

$735

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 11/30

5:30 pm-8:35 am

2 stops32h 05m

Barcelona-El Prat

Wed 12/16

10:50 am-12:05 am

1 stop20h 15m

$741

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/6

11:00 am-8:20 am

1 stop14h 20m

Barcelona-El Prat

Fri 12/25

1:35 pm-6:18 pm

2 stops35h 43m

$744

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 2/24

3:40 pm-4:30 pm

1 stop17h 50m

Barcelona-El Prat

Wed 3/3

6:50 am-1:45 pm

1 stop13h 55m

$744

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/13

6:10 am-8:20 am

1 stop19h 10m

Barcelona-El Prat

Fri 1/15

1:35 pm-11:20 pm

2 stops40h 45m

$745

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/6

5:25 am-9:35 am

2 stops21h 10m

Barcelona-El Prat

Fri 12/25

1:35 pm-2:18 pm

2 stops31h 43m

$748
Quickest round-trip

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 1/24

3:40 pm-1:00 pm

1 stop14h 20m

Barcelona-El Prat

Fri 1/29

5:55 am-1:45 pm

1 stop14h 50m

$762

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/6

7:03 am-8:40 am

1 stop18h 37m

Barcelona-El Prat

Fri 12/25

10:50 am-10:04 pm

1 stop18h 14m

$765

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 4/12

6:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Fri 4/23

12:15 pm-5:03 pm

2 stops35h 48m

$771

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 12/14

6:00 am-8:40 am

1 stop19h 40m

Barcelona-El Prat

Mon 12/21

10:50 am-11:55 pm

1 stop20h 05m

$919

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Barcelona

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 typical price of a round-trip flight between St. Louis and Barcelona?

Prices are currently typical for flights on this route.

Typical prices usually range from $629 to $758.
The lowest price recently found on this route was $735.

What is the cheapest month to fly to Barcelona?

The month of April is, on average, the cheapest month to fly to Barcelona from St. Louis, with most prices found around $634. If you don’t want to visit Barcelona in April, then you should wait until November to fly from St. Louis, when ticket prices are also cheap, with an average price of $680.

How far in advance should I book a flight from St. Louis to Barcelona?

You are more likely to see cheaper flights to Barcelona from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $982 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from St. Louis for as low as $835 on momondo.

Cheap St. Louis to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Barcelona

Best Price Found

$355

Fastest flight time

13h 51m

Direct flights

None
The best one-way flight to Barcelona from St. Louis in the past 72 hours is $355. The best round-trip flight deal from St. Louis to Barcelona found on momondo in the last 72 hours is $735.
The fastest flight from St. Louis to Barcelona takes 13h 51m
There are no direct flights from St. Louis to Barcelona. There are no popular flight routes from St. Louis to Barcelona.
Search flight deals

Frequently asked questions about flying from St. Louis to Barcelona

  • How far is Lambert-St Louis to Barcelona by plane?

    The straight-line distance from Lambert-St Louis to Barcelona is 4636.1 mi. In terms of flight time, this usually takes a little over 13h 51m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Barcelona?

    Prices for flights from Lambert-St Louis Airport to Barcelona were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Barcelona?

  • How old do you have to be to fly from Lambert-St Louis Airport to Barcelona?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The necessary travel and health documents for your Barcelona trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Barcelona

Compare and see reviews for airlines that fly from St. Louis to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $510Free CancellationRating
6.8
8,301 reviews
Search Lufthansa flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
8,277 reviews
Search British Airways flights
American AirlinesPriceFrom $574Free CancellationRating
7.0
12,220 reviews
Search American Airlines flights
United AirlinesPriceFrom $580Free CancellationRating
7.3
10,456 reviews
Search United Airlines flights
DeltaPriceFrom $585Free CancellationRating
7.8
8,696 reviews
Search Delta flights
Air CanadaPriceFrom $648Free CancellationRating
7.1
11,835 reviews
Search Air Canada flights
IberiaPriceFrom $703Free CancellationRating
7.0
3,243 reviews
Search Iberia flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Barcelona?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Barcelona with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Barcelona flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Barcelona?

Once all potential St. Louis to Barcelona flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Barcelona right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.

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Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Barcelona-El Prat Airport
Girona Costa Brava Airport