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Cheap flights from St. Louis to Barcelona from $486

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 Barcelona departing on 4/12. 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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Find the cheapest flights from St. Louis to Barcelona

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Barcelona that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Barcelona.

Cheap last minute flights

Planning a quick getaway from St. Louis to Barcelona? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Barcelona, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Barcelona

Find recent round-trip train or bus tickets from St. Louis to Barcelona.

All round-trip flight deals to Barcelona

The cheapest plane tickets to Barcelona found on KAYAK recently.
7:07 pm - 8:00 amSTL-BCN
53h 53m2 stops
10:15 am - 6:44 pmBCN-STL
15h 29m1 stop
$592Virgin Atlantic
Find Deal
Mon, Jan 20 - Tue, Feb 4
7:07 pm - 8:00 amSTL-BCN
29h 53m1 stop
10:15 am - 6:44 pmBCN-STL
15h 29m1 stop
$596Virgin Atlantic
Find Deal
Mon, Jan 20 - Tue, Feb 4
7:00 am - 9:00 amSTL-BCN
19h 00m1 stop
12:15 pm - 4:25 pmBCN-STL
35h 10m2 stops
$597United Airlines
Find Deal
Sun, Jan 19 - Tue, Feb 4
3:50 pm - 9:50 amSTL-BCN
35h 00m2 stops
12:15 pm - 2:14 pmBCN-STL
32h 59m2 stops
$598Air Canada
Find Deal
Sun, Jan 19 - Tue, Feb 4
11:30 am - 9:00 amSTL-BCN
14h 30m2 stops
11:00 am - 11:30 pmBCN-STL
19h 30m1 stop
$614United Airlines
Find Deal
Sun, Jan 19 - Tue, Feb 4
5:10 am - 8:40 amSTL-BCN
20h 30m1 stop
6:45 pm - 8:54 amBCN-STL
21h 09m1 stop
$619American Airlines
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Sun, Jan 19 - Tue, Feb 4
5:37 pm - 11:30 amSTL-BCN
34h 53m2 stops
11:10 am - 10:18 pmBCN-STL
17h 08m2 stops
$673British Airways
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Sat, Mar 8 - Thu, Mar 20
5:27 pm - 8:55 amSTL-BCN
33h 28m1 stop
7:25 pm - 6:20 pmBCN-STL
29h 55m2 stops
$724British Airways
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Sat, Mar 29 - Sat, Apr 5
1:51 pm - 11:45 amSTL-BCN
15h 54m2 stops
7:40 pm - 8:58 amBCN-STL
20h 18m1 stop
$932American Airlines
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Fri, Mar 21 - Sun, Mar 30
1:30 pm - 7:50 amSTL-BCN
11h 20m1 stop
12:15 pm - 8:01 pmBCN-STL
14h 46m1 stop
$1,025Air Canada
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Sun, May 4 - Wed, May 21
6:51 pm - 11:10 pmSTL-BCN
45h 19m2 stops
Sat, Apr 12
6:51 pm - 11:10 pmSTL-BCN
45h 19m2 stops
Sat, Apr 12
12:15 pm - 11:55 amSTL-BCN
40h 40m3 stops
Sat, Apr 12
12:15 pm - 11:55 amSTL-BCN
40h 40m3 stops
Sat, Apr 12
1:00 pm - 2:10 pmSTL-BCN
42h 10m3 stops
Tue, Apr 22
10:45 am - 11:55 amSTL-BCN
18h 10m2 stops
$692Virgin Atlantic
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Tue, Apr 22
3:44 pm - 10:10 amSTL-BCN
35h 26m1 stop
$697American Airlines
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Sat, Apr 12
10:10 am - 9:20 amSTL-BCN
16h 10m1 stop
$752KLM
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Thu, Apr 24
7:02 pm - 10:40 pmSTL-BCN
44h 38m3 stops
$7,889
Find Deal
Thu, Apr 24
6:00 am - 1:05 pmSTL-BCN
24h 05m1 stop
2:40 pm - 11:51 pmBCN-STL
16h 11m1 stop
$1,655
Find Deal
Wed, Dec 25 - Wed, Jan 1
7:30 am - 9:00 amSTL-BCN
18h 30m2 stops
2:40 pm - 11:51 pmBCN-STL
16h 11m1 stop
$1,660American Airlines
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Wed, Dec 25 - Wed, Jan 1
10:13 am - 10:25 amSTL-BCN
17h 12m2 stops
6:00 am - 10:06 pmBCN-STL
23h 06m2 stops
$1,696Delta
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Wed, Dec 25 - Wed, Jan 1
10:13 am - 10:25 amSTL-BCN
17h 12m2 stops
6:00 am - 10:06 pmBCN-STL
23h 06m2 stops
$1,700Delta
Find Deal
Wed, Dec 25 - Wed, Jan 1
3:50 pm - 10:50 pmSTL-BCN
24h 00m2 stops
7:50 am - 11:30 amBCN-STL
34h 40m3 stops
$1,743
Find Deal
Wed, Dec 25 - Fri, Dec 27
3:50 pm - 11:35 pmSTL-BCN
24h 45m3 stops
5:40 pm - 3:21 pmBCN-STL
28h 41m2 stops
$1,816
Find Deal
Wed, Dec 25 - Wed, Jan 1
3:50 pm - 11:35 pmSTL-BCN
24h 45m3 stops
11:30 am - 3:21 pmBCN-STL
34h 51m3 stops
$1,868
Find Deal
Wed, Dec 25 - Wed, Jan 1
4:27 pm - 9:50 amSTL-BCN
34h 23m3 stops
9:10 pm - 9:45 pmBCN-STL
31h 35m3 stops
$1,885
Find Deal
Thu, Dec 26 - Sat, Dec 28
3:50 pm - 10:50 pmSTL-BCN
24h 00m2 stops
9:20 am - 12:10 pmBCN-STL
33h 50m3 stops
$1,904
Find Deal
Wed, Dec 25 - Wed, Jan 1
9:25 am - 12:35 pmSTL-BCN
20h 10m1 stop
1:30 pm - 8:59 pmBCN-STL
14h 29m1 stop
$2,339Iberia
Find Deal
Thu, Dec 26 - Sat, Dec 28

United Airlines flights from St. Louis to Barcelona

Our best United Airlines deals on St. Louis to Barcelona flight tickets
United Airlines
Jan 19
STL7:00 amLambert-St Louis
19h 00m
1 stop
BCN9:00 amBarcelona-El Prat
Feb 4
BCN12:15 pmBarcelona-El Prat
35h 10m
2 stops
STL4:25 pmLambert-St Louis
United Airlines
Jan 19
STL11:30 amLambert-St Louis
14h 30m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 4
BCN11:00 amBarcelona-El Prat
19h 30m
1 stop
STL11:30 pmLambert-St Louis
United Airlines
Feb 6
STL8:00 amLambert-St Louis
23h 05m
2 stops
BCN2:05 pmBarcelona-El Prat
Feb 13
BCN12:15 pmBarcelona-El Prat
33h 21m
2 stops
STL2:36 pmLambert-St Louis

Air Canada flights from St. Louis to Barcelona

Our best Air Canada deals on St. Louis to Barcelona flight tickets
Air Canada
Jan 19
STL3:50 pmLambert-St Louis
35h 00m
2 stops
BCN9:50 amBarcelona-El Prat
Feb 4
BCN12:15 pmBarcelona-El Prat
32h 59m
2 stops
STL2:14 pmLambert-St Louis
Air Canada
May 4
STL1:30 pmLambert-St Louis
11h 20m
1 stop
BCN7:50 amBarcelona-El Prat
May 21
BCN12:15 pmBarcelona-El Prat
14h 46m
1 stop
STL8:01 pmLambert-St Louis
Air Canada
May 3
STL4:05 pmLambert-St Louis
32h 45m
2 stops
BCN7:50 amBarcelona-El Prat
May 22
BCN12:15 pmBarcelona-El Prat
14h 46m
1 stop
STL8:01 pmLambert-St Louis

See travel insights to Barcelona from

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 cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from St. Louis, with most prices found around $699. If you don’t want to visit Barcelona in February, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $749.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from St. Louis to Barcelona is on a Tuesday when prices can be found for as low as $867. On the other hand, Thursday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,135.

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

In the morning is the cheapest time of day to fly from St. Louis to Barcelona when you can find flight prices for as low as $905. Flying to Barcelona in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,043 on average. Flights to Barcelona from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

In general, most travelers find the cheapest time to book a flight to Barcelona is about 9 days prior to their departure date when tickets on average are $983. In the past 72 hours, momondo users found flights from St. Louis to Barcelona for as low as $640.

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

You could potentially save up to 29% on your flight if you consider stops on a St. Louis to Barcelona flight.

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

$486

Fastest flight time

11h 00m

Direct flights

None

Airports in Barcelona

1 airport
The best one-way flight to Barcelona from St. Louis in the past 72 hours is $486. The best round-trip flight deal from St. Louis to Barcelona found on momondo in the last 72 hours is $592.
The fastest flight from St. Louis to Barcelona takes 11h 00m
There are no direct flights from St. Louis to Barcelona. Popular non-direct route for this connection is Lambert-St Louis Airport - Barcelona-El Prat Airport.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)

  • 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 00m.

  • 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
KLMPriceFrom $490Free CancellationRating
7.8
1,345 reviews
Search KLM flights
LufthansaPriceFrom $530Free CancellationRating
6.8
7,083 reviews
Search Lufthansa flights
British AirwaysPriceFrom $602Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
DeltaPriceFrom $602Free CancellationRating
8.0
8,588 reviews
Search Delta flights
American AirlinesPriceFrom $619Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air FrancePriceFrom $645Free CancellationRating
7.4
1,503 reviews
Search Air France flights
IberiaPriceFrom $697Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
United AirlinesPriceFrom $697Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
Air CanadaPriceFrom $724Free CancellationRating
7.0
8,421 reviews
Search Air Canada 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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Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona