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Cheap flights from St. Louis to Barcelona from $332

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.
United Airlines Logo
6:30 am - 9:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
20h 05m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
1:35 pm - 2:30 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
31h 55m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$757United Airlines
Sun, Jan 24 - Fri, Jan 29
United Airlines Logo
11:45 am - 8:20 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
13h 35m1 stop Newark
United Airlines Logo
1:35 pm - 2:30 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
31h 55m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$758United Airlines
Sun, Jan 24 - Fri, Jan 29
Air Canada Logo
1:08 pm - 9:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
13h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:35 pm - 10:41 amBCN  Barcelona-El Prat-STL Lambert-St Louis
28h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$762Air Canada
Tue, Feb 2 - Fri, Feb 12
Air Canada Logo
1:08 pm - 9:35 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
13h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:35 pm - 10:41 amBCN  Barcelona-El Prat-STL Lambert-St Louis
28h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$762Air Canada
Tue, Feb 2 - Fri, Feb 12
Multiple Airlines Logo
12:10 pm - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
12h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
1:15 pm - 2:00 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
31h 45m1 stop Toronto Pearson Intl
$775Multiple Airlines
Wed, Sep 23 - Tue, Sep 29
Virgin Atlantic Logo
11:51 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
13h 49m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
10:50 am - 11:39 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
19h 49m1 stop Atlanta Hartsfield-Jackson
$778Virgin Atlantic
Tue, Feb 2 - Fri, Feb 12
Delta Logo
5:35 pm - 5:10 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
16h 35m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
6:00 am - 11:54 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
23h 54m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
$813Delta
Mon, Oct 12 - Fri, Oct 30
Iberia Logo
2:54 pm - 1:20 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 26m2 stops Boston Logan Intl London Heathrow
Iberia Logo
12:00 pm - 10:58 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
17h 58m1 stop Philadelphia
$849Iberia
Thu, Feb 4 - Sun, Feb 14
Iberia Logo
9:33 am - 9:10 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
16h 37m1 stop Philadelphia
Iberia Logo
12:00 pm - 10:58 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
17h 58m1 stop Philadelphia
$852Iberia
Thu, Feb 4 - Sun, Feb 14
Delta Logo
7:05 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
18h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 8:29 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
21h 29m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,154Delta
Sat, Nov 21 - Sat, Nov 28

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British Airways flights from St. Louis to Barcelona

Our best British Airways deals on St. Louis to Barcelona flight tickets
British Airways
Oct 23
STL5:27 pmLambert-St Louis
22h 03m
2 stops
BCN10:30 pmBarcelona-El Prat
Oct 26
BCN8:20 pmBarcelona-El Prat
27h 56m
2 stops
STL6:16 pmLambert-St Louis
$864
British Airways
Nov 14
STL12:58 pmLambert-St Louis
35h 37m
1 stop
BCN7:35 amBarcelona-El Prat
Nov 22
BCN12:00 pmBarcelona-El Prat
15h 32m
1 stop
STL8:32 pmLambert-St Louis
$875
British Airways
Aug 28
STL12:45 pmLambert-St Louis
14h 25m
1 stop
BCN10:10 amBarcelona-El Prat
Sep 5
BCN10:45 amBarcelona-El Prat
16h 41m
1 stop
STL8:26 pmLambert-St Louis
$1,159

Air Canada flights from St. Louis to Barcelona

Our best Air Canada deals on St. Louis to Barcelona flight tickets
Air Canada
Feb 2
STL1:08 pmLambert-St Louis
13h 27m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 12
BCN1:35 pmBarcelona-El Prat
28h 06m
2 stops
STL10:41 amLambert-St Louis
$762
Air Canada
Nov 14
STL6:50 pmLambert-St Louis
31h 45m
2 stops
BCN9:35 amBarcelona-El Prat
Nov 22
BCN1:35 pmBarcelona-El Prat
29h 35m
2 stops
STL12:10 pmLambert-St Louis
$817
Air Canada
Sep 24
STL12:10 pmLambert-St Louis
12h 50m
1 stop
BCN8:00 amBarcelona-El Prat
Sep 30
BCN12:15 pmBarcelona-El Prat
13h 26m
1 stop
STL6:41 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.

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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

Sun 1/24

6:30 am-9:35 am

2 stops20h 05m

Barcelona-El Prat

Fri 1/29

1:35 pm-2:30 pm

2 stops31h 55m

$757

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sun 1/24

11:45 am-8:20 am

1 stop13h 35m

Barcelona-El Prat

Fri 1/29

1:35 pm-2:30 pm

2 stops31h 55m

$758

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 2/2

1:08 pm-9:35 am

2 stops13h 27m

Barcelona-El Prat

Fri 2/12

1:35 pm-10:41 am

2 stops28h 06m

$762

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 2/2

1:08 pm-9:35 am

2 stops13h 27m

Barcelona-El Prat

Fri 2/12

1:35 pm-10:41 am

2 stops28h 06m

$762

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 9/23

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Tue 9/29

1:15 pm-2:00 pm

1 stop31h 45m

$775

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 2/2

11:51 am-8:40 am

1 stop13h 49m

Barcelona-El Prat

Fri 2/12

10:50 am-11:39 pm

1 stop19h 49m

$778

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 10/12

5:35 pm-5:10 pm

2 stops16h 35m

Barcelona-El Prat

Fri 10/30

6:00 am-11:54 pm

2 stops23h 54m

$813
Quickest round-trip

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Thu 2/4

2:54 pm-1:20 pm

2 stops15h 26m

Barcelona-El Prat

Sun 2/14

12:00 pm-10:58 pm

1 stop17h 58m

$849

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Thu 2/4

9:33 am-9:10 am

1 stop16h 37m

Barcelona-El Prat

Sun 2/14

12:00 pm-10:58 pm

1 stop17h 58m

$852

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Sat 11/21

7:05 am-8:40 am

1 stop18h 35m

Barcelona-El Prat

Sat 11/28

6:00 am-8:29 pm

2 stops21h 29m

$1,154

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 low for flights on this route.

Typical prices usually range from $824 to $1,205.
The lowest price recently found on this route was $757.

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from St. Louis, with most prices found around $558. If you don’t want to visit Barcelona in January, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $634.

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 $908 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 $557 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

$332

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Barcelona from St. Louis in the past 72 hours is $332. The best round-trip flight deal from St. Louis to Barcelona found on momondo in the last 72 hours is $757.
The fastest flight from St. Louis to Barcelona takes 11h 25m
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 11h 25m.

  • 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
8,223 reviews
Search Lufthansa flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
8,195 reviews
Search British Airways flights
DeltaPriceFrom $552Free CancellationRating
7.8
8,529 reviews
Search Delta flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
11,540 reviews
Search Air Canada flights
American AirlinesPriceFrom $629Free CancellationRating
7.1
11,998 reviews
Search American Airlines flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
10,123 reviews
Search United Airlines flights
IberiaPriceFrom $732Free CancellationRating
7.0
3,257 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