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Cheap flights from Missouri to Barcelona from $376

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 10/21. 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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Cheap round-trip flights

Scandinavian Airlines Logo
11:51 am - 6:20 pmSTL-BCN
23h 29m2 stops
Scandinavian Airlines Logo
7:10 pm - 11:40 pmBCN-STL
35h 30m2 stops
$499Scandinavian Airlines
Find Deal
Thu, Jan 15 - Sun, Feb 1
Scandinavian Airlines Logo
9:59 am - 6:20 pmMCI-BCN
25h 21m2 stops
Scandinavian Airlines Logo
7:10 pm - 10:35 pmBCN-MCI
34h 25m2 stops
$499Scandinavian Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
United Airlines Logo
4:39 pm - 1:15 pmMCI-BCN
13h 36m1 stop
United Airlines Logo
6:00 am - 2:48 pmBCN-MCI
39h 48m2 stops
$523United Airlines
Find Deal
Sun, Sep 28 - Tue, Oct 14
United Airlines Logo
1:30 pm - 7:50 amSTL-BCN
11h 20m1 stop
United Airlines Logo
12:10 pm - 10:48 amBCN-STL
29h 38m2 stops
$525United Airlines
Find Deal
Sun, Sep 28 - Tue, Oct 14
Air Canada Logo
6:35 pm - 9:35 amMCI-BCN
32h 00m2 stops
Air Canada Logo
1:35 pm - 2:21 pmBCN-MCI
31h 46m2 stops
$530Air Canada
Find Deal
Tue, Nov 25 - Tue, Dec 2
United Airlines Logo
5:00 am - 7:50 amSTL-BCN
19h 50m2 stops
United Airlines Logo
12:10 pm - 10:49 amBCN-STL
29h 39m2 stops
$530United Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 15
Air Canada Logo
4:05 pm - 7:50 amSTL-BCN
32h 45m2 stops
Air Canada Logo
12:35 pm - 3:46 pmBCN-STL
33h 11m2 stops
$532Air Canada
Find Deal
Sat, Oct 11 - Fri, Oct 31
Multiple Airlines Logo
6:21 pm - 9:00 amSTL-BCN
31h 39m1 stop
Multiple Airlines Logo
12:35 pm - 5:39 pmBCN-STL
35h 04m2 stops
$536Multiple Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 31
Iberia Logo
11:58 am - 8:50 amSTL-BCN
13h 52m1 stop
Iberia Logo
10:35 am - 8:47 amBCN-STL
29h 12m2 stops
$539Iberia
Find Deal
Sun, Feb 1 - Wed, Feb 11
Multiple Airlines Logo
6:00 am - 9:20 amSGF-BCN
20h 20m1 stop
Multiple Airlines Logo
9:30 am - 6:16 pmBCN-SGF
15h 46m2 stops
$545Multiple Airlines
Find Deal
Mon, Sep 29 - Wed, Oct 8

Scandinavian Airlines flights from Missouri to Barcelona-El Prat Airport

Our best Scandinavian Airlines deals on Missouri to Barcelona-El Prat Airport flight tickets
Scandinavian Airlines
Nov 11
MCI9:59 amKansas City
25h 21m
2 stops
BCN6:20 pmBarcelona-El Prat
Nov 15
BCN7:10 pmBarcelona-El Prat
34h 25m
2 stops
MCI10:35 pmKansas City
$499
Find similar
Scandinavian Airlines
Oct 24
STL3:59 pmLambert-St Louis
19h 11m
2 stops
BCN6:10 pmBarcelona-El Prat
Nov 8
BCN7:10 pmBarcelona-El Prat
32h 54m
2 stops
STL9:04 pmLambert-St Louis
$533
Find similar
Scandinavian Airlines
Oct 24
MCI6:53 amKansas City
28h 17m
2 stops
BCN6:10 pmBarcelona-El Prat
Nov 7
BCN7:10 pmBarcelona-El Prat
32h 58m
2 stops
MCI9:08 pmKansas City
$563
Find similar

United Airlines flights from Missouri to Barcelona-El Prat Airport

Our best United Airlines deals on Missouri to Barcelona-El Prat Airport flight tickets
United Airlines
Sep 28
MCI4:39 pmKansas City
13h 36m
1 stop
BCN1:15 pmBarcelona-El Prat
Oct 14
BCN6:00 amBarcelona-El Prat
39h 48m
2 stops
MCI2:48 pmKansas City
$523
Find similar
United Airlines
Sep 28
STL1:30 pmLambert-St Louis
11h 20m
1 stop
BCN7:50 amBarcelona-El Prat
Oct 14
BCN12:10 pmBarcelona-El Prat
29h 38m
2 stops
STL10:48 amLambert-St Louis
$525
Find similar
United Airlines
Sep 28
STL5:00 amLambert-St Louis
19h 50m
2 stops
BCN7:50 amBarcelona-El Prat
Oct 15
BCN12:10 pmBarcelona-El Prat
29h 39m
2 stops
STL10:49 amLambert-St Louis
$530
Find similar

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 September 17, 2025.
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

Thu 1/15

11:51 am-6:20 pm

2 stops23h 29m

Barcelona-El Prat

Sun 2/1

7:10 pm-11:40 pm

2 stops35h 30m

$499

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 11/11

9:59 am-6:20 pm

2 stops25h 21m

Barcelona-El Prat

Sat 11/15

7:10 pm-10:35 pm

2 stops34h 25m

$499

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 9/28

4:39 pm-1:15 pm

1 stop13h 36m

Barcelona-El Prat

Tue 10/14

6:00 am-2:48 pm

2 stops39h 48m

$523

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/28

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Tue 10/14

12:10 pm-10:48 am

2 stops29h 38m

$525

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 11/25

6:35 pm-9:35 am

2 stops32h 00m

Barcelona-El Prat

Tue 12/2

1:35 pm-2:21 pm

2 stops31h 46m

$530

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/28

5:00 am-7:50 am

2 stops19h 50m

Barcelona-El Prat

Wed 10/15

12:10 pm-10:49 am

2 stops29h 39m

$530

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 10/11

4:05 pm-7:50 am

2 stops32h 45m

Barcelona-El Prat

Fri 10/31

12:35 pm-3:46 pm

2 stops33h 11m

$532

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 10/11

6:21 pm-9:00 am

1 stop31h 39m

Barcelona-El Prat

Fri 10/31

12:35 pm-5:39 pm

2 stops35h 04m

$536

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

11:58 am-8:50 am

1 stop13h 52m

Barcelona-El Prat

Wed 2/11

10:35 am-8:47 am

2 stops29h 12m

$539

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Mon 9/29

6:00 am-9:20 am

1 stop20h 20m

Barcelona-El Prat

Wed 10/8

9:30 am-6:16 pm

2 stops15h 46m

$545

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 February. Flight prices, which tend to average around $660, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, 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 February, still average around $694.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $867. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,135. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Missouri in the morning is the least expensive time of day to depart. momondo users have found prices as low as $905 when looking at flights departing in the morning. 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-El Prat Airport from Missouri 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-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 $946 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 $736 on momondo.

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

You could potentially save up to 5% 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

Direct flights

None
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.
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  • 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 $483Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Air FrancePriceFrom $533Free CancellationRating
7.4
1,468 reviews
Search Air France flights
United AirlinesPriceFrom $533Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $557Free CancellationRating
7.9
7,961 reviews
Search Delta flights
British AirwaysPriceFrom $570Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $580Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
IberiaPriceFrom $631Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
American AirlinesPriceFrom $635Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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
El Prat de Llobregat
L'Hospitalet de Llobregat
Castelldefels
Santa Susanna
Calella
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Badalona
Roses
Pals
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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