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Cheap flights from St. Louis to Barcelona from $356

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
2:31 pm - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
11h 09m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
10:35 am - 8:32 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
16h 57m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
$742Virgin Atlantic
Mon, Nov 30 - Wed, Dec 16
Multiple Airlines Logo
4:05 pm - 2:05 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 00m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:50 am - 1:45 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
$742Multiple Airlines
Sun, Dec 13 - Fri, Jan 15
United Airlines Logo
6:30 am - 9:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
19h 30m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
1:35 pm - 4:20 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
33h 45m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$749United Airlines
Sun, Dec 13 - Fri, Jan 15
British Airways Logo
10:23 am - 8:50 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 27m1 stop Dallas/Fort Worth
British Airways Logo
12:00 pm - 8:31 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
15h 31m1 stop Philadelphia
$755British Airways
Wed, Mar 3 - Thu, Mar 11
Iberia Logo
12:53 pm - 7:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
11h 42m1 stop Philadelphia
Iberia Logo
12:00 pm - 8:31 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
14h 31m1 stop Philadelphia
$764Iberia
Tue, Mar 9 - Wed, Mar 17
Iberia Logo
2:21 pm - 12:45 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 24m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
12:00 pm - 8:31 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
15h 31m1 stop Philadelphia
$765Iberia
Wed, Mar 3 - Thu, Mar 11
United Airlines Logo
1:27 pm - 1:15 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
16h 48m1 stop Chicago O'Hare Intl
United Airlines Logo
12:15 pm - 12:40 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$767United Airlines
Mon, Apr 12 - Fri, Apr 23
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
Air Canada Logo
9:23 am - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 37m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:15 pm - 12:20 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
30h 05m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$776Air Canada
Mon, Apr 12 - Fri, Apr 23
British Airways Logo
9:35 pm - 7:00 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
14h 25m1 stop London Heathrow
British Airways Logo
10:45 am - 11:04 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
19h 19m1 stop Dallas/Fort Worth
$808British Airways
Fri, Apr 16 - Fri, Apr 23

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United Airlines flights from St. Louis to Barcelona

Our best United Airlines deals on St. Louis to Barcelona flight tickets
United Airlines
Apr 12
STL1:27 pmLambert-St Louis
16h 48m
1 stop
BCN1:15 pmBarcelona-El Prat
Apr 23
BCN12:15 pmBarcelona-El Prat
31h 25m
2 stops
STL12:40 pmLambert-St Louis
$767
United Airlines
Apr 12
STL1:27 pmLambert-St Louis
16h 48m
1 stop
BCN1:15 pmBarcelona-El Prat
Apr 23
BCN12:15 pmBarcelona-El Prat
31h 25m
2 stops
STL12:40 pmLambert-St Louis
$768
United Airlines
Mar 1
STL1:08 pmLambert-St Louis
13h 27m
2 stops
BCN9:35 amBarcelona-El Prat
Mar 5
BCN1:35 pmBarcelona-El Prat
28h 07m
2 stops
STL10:42 amLambert-St Louis
$771

British Airways flights from St. Louis to Barcelona

Our best British Airways deals on St. Louis to Barcelona flight tickets
British Airways
Mar 3
STL10:23 amLambert-St Louis
15h 27m
1 stop
BCN8:50 amBarcelona-El Prat
Mar 11
BCN12:00 pmBarcelona-El Prat
15h 31m
1 stop
STL8:31 pmLambert-St Louis
$755
British Airways
Apr 16
STL9:35 pmLambert-St Louis
14h 25m
1 stop
BCN7:00 pmBarcelona-El Prat
Apr 23
BCN10:45 amBarcelona-El Prat
19h 19m
1 stop
STL11:04 pmLambert-St Louis
$808
British Airways
Nov 7
STL2:54 pmLambert-St Louis
34h 01m
1 stop
BCN7:55 amBarcelona-El Prat
Nov 17
BCN12:00 pmBarcelona-El Prat
15h 26m
1 stop
STL8:26 pmLambert-St Louis
$826

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

2:31 pm-8:40 am

1 stop11h 09m

Barcelona-El Prat

Wed 12/16

10:35 am-8:32 pm

2 stops16h 57m

$742

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/13

4:05 pm-2:05 pm

2 stops15h 00m

Barcelona-El Prat

Fri 1/15

6:50 am-1:45 pm

1 stop13h 55m

$742

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 12/13

6:30 am-9:00 am

2 stops19h 30m

Barcelona-El Prat

Fri 1/15

1:35 pm-4:20 pm

2 stops33h 45m

$749

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 3/3

10:23 am-8:50 am

1 stop15h 27m

Barcelona-El Prat

Thu 3/11

12:00 pm-8:31 pm

1 stop15h 31m

$755
Quickest round-trip

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 3/9

12:53 pm-7:35 am

1 stop11h 42m

Barcelona-El Prat

Wed 3/17

12:00 pm-8:31 pm

1 stop14h 31m

$764

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 3/3

2:21 pm-12:45 pm

2 stops15h 24m

Barcelona-El Prat

Thu 3/11

12:00 pm-8:31 pm

1 stop15h 31m

$765

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 4/12

1:27 pm-1:15 pm

1 stop16h 48m

Barcelona-El Prat

Fri 4/23

12:15 pm-12:40 pm

2 stops31h 25m

$767

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 4/12

9:23 am-8:00 am

2 stops15h 37m

Barcelona-El Prat

Fri 4/23

1:15 pm-12:20 pm

2 stops30h 05m

$776

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Fri 4/16

9:35 pm-7:00 pm

1 stop14h 25m

Barcelona-El Prat

Fri 4/23

10:45 am-11:04 pm

1 stop19h 19m

$808

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 $613 to $857.
The lowest price recently found on this route was $742.

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 $979 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

$356

Fastest flight time

12h 43m

Direct flights

None
The best one-way flight to Barcelona from St. Louis in the past 72 hours is $356. The best round-trip flight deal from St. Louis to Barcelona found on momondo in the last 72 hours is $742.
The fastest flight from St. Louis to Barcelona takes 12h 43m
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 12h 43m.

  • 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
American AirlinesPriceFrom $505Free CancellationRating
7.0
12,230 reviews
Search American Airlines flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
8,280 reviews
Search British Airways flights
United AirlinesPriceFrom $580Free CancellationRating
7.3
10,458 reviews
Search United Airlines flights
DeltaPriceFrom $585Free CancellationRating
7.8
8,696 reviews
Search Delta flights
LufthansaPriceFrom $613Free CancellationRating
6.8
8,297 reviews
Search Lufthansa flights
Air CanadaPriceFrom $648Free CancellationRating
7.1
11,853 reviews
Search Air Canada flights
IberiaPriceFrom $703Free CancellationRating
7.0
3,240 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