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Cheap flights from St. Louis to Barcelona from $262

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.
Air Canada Logo
12:10 pm - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
12h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:15 pm - 6:41 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
13h 26m1 stop Montreal Pierre Elliott Trudeau Intl
$689Air Canada
Mon, Oct 5 - Wed, Oct 21
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
$692Multiple Airlines
Tue, Oct 6 - Fri, Oct 16
Air Canada Logo
12:10 pm - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
12h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:40 am - 6:41 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
16h 01m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$697Air Canada
Mon, Oct 5 - Wed, Oct 21
Multiple Airlines Logo
8:00 am - 8:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
17h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:40 am - 9:21 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
21h 41m2 stops Frankfurt am Main Chicago O'Hare Intl
$700Multiple Airlines
Tue, Oct 6 - Fri, Oct 16
United Airlines Logo
8:30 am - 9:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
17h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:50 am - 1:45 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
$719United Airlines
Wed, Dec 9 - Fri, Dec 18
United Airlines Logo
8:30 am - 9:00 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
17h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
6:50 am - 1:45 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
13h 55m1 stop Frankfurt am Main
$719United Airlines
Tue, Dec 8 - Fri, Dec 18
American Airlines Logo
8:54 am - 12:00 pmSTL  Lambert-St Louis-BCN Barcelona-El Prat
20h 06m1 stop Boston Logan Intl
American Airlines Logo
12:50 pm - 10:14 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
16h 24m1 stop Philadelphia
$726American Airlines
Wed, Sep 30 - Wed, Oct 7
Delta Logo
10:04 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
15h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:35 am - 8:26 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
16h 51m1 stop New York John F Kennedy Intl
$726Delta
Wed, Dec 9 - Thu, Dec 17
Delta Logo
7:03 am - 8:40 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
18h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:35 am - 8:26 pmBCN  Barcelona-El Prat-STL Lambert-St Louis
16h 51m1 stop New York John F Kennedy Intl
$726Delta
Tue, Dec 8 - Thu, Dec 17
American Airlines Logo
11:31 am - 10:55 amSTL  Lambert-St Louis-BCN Barcelona-El Prat
16h 24m1 stop Chicago O'Hare Intl
American Airlines Logo
7:10 pm - 9:29 amBCN  Barcelona-El Prat-STL Lambert-St Louis
21h 19m1 stop Boston Logan Intl
$776American Airlines
Mon, Oct 12 - Sun, Oct 18

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Lufthansa flights from St. Louis to Barcelona

Our best Lufthansa deals on St. Louis to Barcelona flight tickets
Lufthansa
Oct 20
STL3:30 pmLambert-St Louis
13h 25m
1 stop
BCN11:55 amBarcelona-El Prat
Oct 27
BCN6:20 pmBarcelona-El Prat
28h 39m
2 stops
STL4:59 pmLambert-St Louis
$765
Lufthansa
Sep 20
STL3:30 pmLambert-St Louis
21h 15m
1 stop
BCN7:45 pmBarcelona-El Prat
Sep 27
BCN6:40 amBarcelona-El Prat
13h 45m
1 stop
STL1:25 pmLambert-St Louis
$994
Lufthansa
Sep 15
STL3:30 pmLambert-St Louis
14h 35m
1 stop
BCN1:05 pmBarcelona-El Prat
Sep 21
BCN7:00 pmBarcelona-El Prat
25h 25m
1 stop
STL1:25 pmLambert-St Louis
$1,033

United Airlines flights from St. Louis to Barcelona

Our best United Airlines deals on St. Louis to Barcelona flight tickets
United Airlines
Dec 8
STL8:30 amLambert-St Louis
17h 30m
1 stop
BCN9:00 amBarcelona-El Prat
Dec 18
BCN6:50 amBarcelona-El Prat
13h 55m
1 stop
STL1:45 pmLambert-St Louis
$719
United Airlines
Oct 6
STL12:10 pmLambert-St Louis
12h 50m
1 stop
BCN8:00 amBarcelona-El Prat
Oct 16
BCN12:00 pmBarcelona-El Prat
16h 09m
1 stop
STL9:09 pmLambert-St Louis
$721
United Airlines
Dec 8
STL1:15 pmLambert-St Louis
13h 20m
2 stops
BCN9:35 amBarcelona-El Prat
Dec 18
BCN6:50 amBarcelona-El Prat
13h 55m
1 stop
STL1:45 pmLambert-St Louis
$723

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
Quickest round-trip

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 10/5

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Wed 10/21

12:15 pm-6:41 pm

1 stop13h 26m

$689

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 10/6

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Fri 10/16

1:15 pm-2:00 pm

1 stop31h 45m

$692

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 10/5

12:10 pm-8:00 am

1 stop12h 50m

Barcelona-El Prat

Wed 10/21

9:40 am-6:41 pm

2 stops16h 01m

$697

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 10/6

8:00 am-8:00 am

2 stops17h 00m

Barcelona-El Prat

Fri 10/16

6:40 am-9:21 pm

2 stops21h 41m

$700

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 12/9

8:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Fri 12/18

6:50 am-1:45 pm

1 stop13h 55m

$719

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 12/8

8:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Fri 12/18

6:50 am-1:45 pm

1 stop13h 55m

$719

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 9/30

8:54 am-12:00 pm

1 stop20h 06m

Barcelona-El Prat

Wed 10/7

12:50 pm-10:14 pm

1 stop16h 24m

$726

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Wed 12/9

10:04 am-8:40 am

1 stop15h 36m

Barcelona-El Prat

Thu 12/17

10:35 am-8:26 pm

1 stop16h 51m

$726

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Tue 12/8

7:03 am-8:40 am

1 stop18h 37m

Barcelona-El Prat

Thu 12/17

10:35 am-8:26 pm

1 stop16h 51m

$726

St. LouisBarcelona

STL Lambert-St Louis - BCN Barcelona-El Prat

STLBCN

Lambert-St Louis

Mon 10/12

11:31 am-10:55 am

1 stop16h 24m

Barcelona-El Prat

Sun 10/18

7:10 pm-9:29 am

1 stop21h 19m

$776

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 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 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 $750 to $1,056.
The lowest price recently found on this route was $689.

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

$262

Fastest flight time

12h 10m

Direct flights

None
The best one-way flight to Barcelona from St. Louis in the past 72 hours is $262. The best round-trip flight deal from St. Louis to Barcelona found on momondo in the last 72 hours is $689.
The fastest flight from St. Louis to Barcelona takes 12h 10m
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 10m.

  • 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
8,216 reviews
Search Lufthansa flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
8,209 reviews
Search British Airways flights
DeltaPriceFrom $552Free CancellationRating
7.8
8,548 reviews
Search Delta flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
11,596 reviews
Search Air Canada flights
American AirlinesPriceFrom $629Free CancellationRating
7.1
12,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $654Free CancellationRating
7.4
10,178 reviews
Search United Airlines flights
IberiaPriceFrom $732Free CancellationRating
7.0
3,247 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