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Cheap flights from Missouri to Barcelona from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Barcelona departing on 8/12. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:15 pm - 1:15 pm
STL
-
BCN
34h 00m
1 stop
United Airlines Logo
12:15 pm - 9:08 pm
BCN
-
STL
39h 53m
2 stops
$467United Airlines
Tue, Apr 14 - Tue, Apr 28
United Airlines Logo
6:15 am - 1:15 pm
MCI
-
BCN
24h 00m
1 stop
United Airlines Logo
12:15 pm - 2:25 pm
BCN
-
MCI
33h 10m
2 stops
$467United Airlines
Sun, Apr 12 - Tue, Apr 21
United Airlines Logo
8:15 pm - 8:00 am
STL
-
BCN
28h 45m
2 stops
United Airlines Logo
12:15 pm - 9:08 pm
BCN
-
STL
39h 53m
2 stops
$470United Airlines
Tue, Apr 14 - Tue, Apr 28
Air Canada Logo
4:05 pm - 8:00 am
STL
-
BCN
32h 55m
2 stops
Air Canada Logo
1:15 pm - 3:24 pm
BCN
-
STL
33h 09m
1 stop
$474Air Canada
Sun, Apr 12 - Tue, Apr 28
British Airways Logo
2:33 pm - 1:15 pm
STL
-
BCN
15h 42m
2 stops
British Airways Logo
3:15 pm - 7:30 pm
BCN
-
STL
35h 15m
1 stop
$481British Airways
Tue, Apr 14 - Tue, Apr 28
British Airways Logo
12:25 pm - 2:15 pm
STL
-
BCN
18h 50m
2 stops
British Airways Logo
3:15 pm - 7:30 pm
BCN
-
STL
35h 15m
1 stop
$482British Airways
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
11:06 am - 1:00 pm
STL
-
BCN
18h 54m
1 stop
Multiple Airlines Logo
6:30 pm - 10:54 am
BCN
-
STL
23h 24m
1 stop
$487Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
Air Canada Logo
7:45 am - 8:00 am
STL
-
BCN
17h 15m
2 stops
Air Canada Logo
1:15 pm - 3:24 pm
BCN
-
STL
33h 09m
1 stop
$488Air Canada
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
8:26 am - 7:35 am
SGF
-
BCN
16h 09m
1 stop
American Airlines Logo
10:45 am - 6:58 pm
BCN
-
SGF
15h 13m
1 stop
$528American Airlines
Thu, Apr 9 - Wed, Apr 15
Multiple Airlines Logo
3:56 pm - 2:50 pm
SGF
-
BCN
15h 54m
2 stops
Multiple Airlines Logo
11:00 am - 6:12 pm
BCN
-
SGF
14h 12m
1 stop
$532Multiple Airlines
Thu, Apr 9 - Wed, Apr 15

Air Canada flights from Missouri to Barcelona-El Prat Airport

Our best Air Canada deals on Missouri to Barcelona-El Prat Airport flight tickets
Air Canada
Apr 12
STL4:05 pmLambert-St Louis
32h 55m
2 stops
BCN8:00 amBarcelona-El Prat
Apr 28
BCN1:15 pmBarcelona-El Prat
33h 09m
1 stop
STL3:24 pmLambert-St Louis
$474
Air Canada
Apr 15
STL7:45 amLambert-St Louis
17h 15m
2 stops
BCN8:00 amBarcelona-El Prat
Apr 21
BCN1:15 pmBarcelona-El Prat
33h 09m
1 stop
STL3:24 pmLambert-St Louis
$488
Air Canada
Apr 15
STL9:10 amLambert-St Louis
15h 50m
2 stops
BCN8:00 amBarcelona-El Prat
Apr 21
BCN12:15 pmBarcelona-El Prat
34h 09m
2 stops
STL3:24 pmLambert-St Louis
$492

American Airlines flights from Missouri to Barcelona-El Prat Airport

Our best American Airlines deals on Missouri to Barcelona-El Prat Airport flight tickets
American Airlines
Apr 9
SGF8:26 amSpringfield-Branson
16h 09m
1 stop
BCN7:35 amBarcelona-El Prat
Apr 15
BCN10:45 amBarcelona-El Prat
15h 13m
1 stop
SGF6:58 pmSpringfield-Branson
$528
American Airlines
Feb 21
SGF6:01 pmSpringfield-Branson
16h 54m
2 stops
BCN5:55 pmBarcelona-El Prat
Mar 2
BCN12:30 pmBarcelona-El Prat
16h 29m
2 stops
SGF9:59 pmSpringfield-Branson
$688
American Airlines
Feb 21
SGF12:20 pmSpringfield-Branson
13h 30m
1 stop
BCN8:50 amBarcelona-El Prat
Mar 2
BCN12:30 pmBarcelona-El Prat
17h 04m
2 stops
SGF10:34 pmSpringfield-Branson
$691

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Barcelona-El Prat Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 16, 2026.
Use the filters below to find and compare flights from Missouri to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

8:15 pm-1:15 pm

1 stop34h 00m

Barcelona-El Prat

Tue 4/28

12:15 pm-9:08 pm

2 stops39h 53m

$467

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 4/12

6:15 am-1:15 pm

1 stop24h 00m

Barcelona-El Prat

Tue 4/21

12:15 pm-2:25 pm

2 stops33h 10m

$467

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

8:15 pm-8:00 am

2 stops28h 45m

Barcelona-El Prat

Tue 4/28

12:15 pm-9:08 pm

2 stops39h 53m

$470

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

4:05 pm-8:00 am

2 stops32h 55m

Barcelona-El Prat

Tue 4/28

1:15 pm-3:24 pm

1 stop33h 09m

$474

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

2:33 pm-1:15 pm

2 stops15h 42m

Barcelona-El Prat

Tue 4/28

3:15 pm-7:30 pm

1 stop35h 15m

$481

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

12:25 pm-2:15 pm

2 stops18h 50m

Barcelona-El Prat

Tue 4/28

3:15 pm-7:30 pm

1 stop35h 15m

$482

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/22

11:06 am-1:00 pm

1 stop18h 54m

Barcelona-El Prat

Wed 4/29

6:30 pm-10:54 am

1 stop23h 24m

$487

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/15

7:45 am-8:00 am

2 stops17h 15m

Barcelona-El Prat

Tue 4/21

1:15 pm-3:24 pm

1 stop33h 09m

$488

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Thu 4/9

8:26 am-7:35 am

1 stop16h 09m

Barcelona-El Prat

Wed 4/15

10:45 am-6:58 pm

1 stop15h 13m

$528

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Thu 4/9

3:56 pm-2:50 pm

2 stops15h 54m

Barcelona-El Prat

Wed 4/15

11:00 am-6:12 pm

1 stop14h 12m

$532

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 Missouri to Barcelona-El Prat Airport

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-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Missouri is in January. Flight prices, which tend to average around $505, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Missouri during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in January, still average around $666.

How far in advance should I book a flight to Barcelona-El Prat Airport?

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $848 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Missouri for as low as $628 on momondo.

Can stopping save me money on Missouri to Barcelona-El Prat Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Missouri to Barcelona-El Prat Airport flight.

Cheap Missouri to Barcelona-El Prat Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Barcelona-El Prat Airport

Fastest flight time

11h 15m

Direct flights

None
The fastest flight from Missouri to Barcelona-El Prat Airport takes 11h 15m
There are no direct flights from Missouri to Barcelona-El Prat Airport. There are no popular flight routes from Missouri to Barcelona-El Prat Airport.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Barcelona-El Prat Airport?

    Prices for flights from Missouri to Barcelona-El Prat Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Missouri to Barcelona-El Prat Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The travel and health documents you'll need for your trip to Barcelona-El Prat Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Barcelona-El Prat Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Missouri to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $433Free CancellationRating
7.7
1,455 reviews
Search KLM flights
British AirwaysPriceFrom $449Free CancellationRating
6.7
7,750 reviews
Search British Airways flights
American AirlinesPriceFrom $485Free CancellationRating
7.2
11,292 reviews
Search American Airlines flights
United AirlinesPriceFrom $490Free CancellationRating
7.4
9,306 reviews
Search United Airlines flights
LufthansaPriceFrom $510Free CancellationRating
6.8
7,786 reviews
Search Lufthansa flights
DeltaPriceFrom $532Free CancellationRating
7.9
8,204 reviews
Search Delta flights
Air FrancePriceFrom $533Free CancellationRating
7.4
1,534 reviews
Search Air France flights
Virgin AtlanticPriceFrom $582Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $593Free CancellationRating
7.1
10,724 reviews
Search Air Canada flights
IberiaPriceFrom $631Free CancellationRating
7.0
3,116 reviews
Search Iberia flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
Tossa de Mar
Tarragona
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Santa Susanna
Calella
Cadaques
Cambrils
Empuriabrava
Pals
Roses
Pineda de Mar
Badalona
Malgrat de Mar
Palafrugell
Tortosa

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Barcelona?

Finding the right flight to Barcelona from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Barcelona quick and easy, saving you time and money.

Can I find flights from Missouri to Barcelona with flexible booking policies on momondo?

Flights from Missouri to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Barcelona?

momondo provides multiple filters to help you find the best flight to Barcelona from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Barcelona from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Barcelona-El Prat Airport trip

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