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Cheap flights from Missouri to Barcelona from $371

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 11/11. 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

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 8:40 amSTL-BCN
19h 40m1 stop
Delta Logo
10:15 am - 11:29 pmBCN-STL
20h 14m2 stops
$438Delta
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Tue, Dec 2 - Tue, Dec 9
Delta Logo
5:50 am - 8:40 amMCI-BCN
19h 50m1 stop
Delta Logo
10:15 am - 9:56 amBCN-MCI
30h 41m2 stops
$438Delta
Find Deal
Tue, Dec 2 - Tue, Dec 9
Lufthansa Logo
12:31 pm - 12:00 pmSTL-BCN
16h 29m2 stops
Lufthansa Logo
6:50 am - 1:55 pmBCN-STL
14h 05m1 stop
$439Lufthansa
Find Deal
Mon, Nov 10 - Wed, Nov 26
Delta Logo
6:00 am - 8:00 amSTL-BCN
19h 00m2 stops
Delta Logo
10:15 am - 9:08 amBCN-STL
29h 53m2 stops
$449Delta
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Sun, Feb 1 - Tue, Feb 17
KLM Logo
9:57 am - 8:00 amMCI-BCN
15h 03m1 stop
KLM Logo
10:15 am - 7:19 pmBCN-MCI
16h 04m1 stop
$459KLM
Find Deal
Sun, Jan 25 - Sat, Feb 7
Air France Logo
6:18 pm - 8:40 amMCI-BCN
31h 22m1 stop
Air France Logo
10:15 am - 7:19 pmBCN-MCI
16h 04m1 stop
$464Air France
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Mon, Jan 19 - Mon, Feb 2
United Airlines Logo
5:45 pm - 8:20 amMCI-BCN
31h 35m1 stop
United Airlines Logo
1:35 pm - 10:39 amBCN-MCI
52h 04m2 stops
$466United Airlines
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Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
3:14 pm - 1:10 pmSTL-BCN
14h 56m1 stop
United Airlines Logo
6:50 am - 1:55 pmBCN-STL
14h 05m1 stop
$469United Airlines
Find Deal
Mon, Nov 10 - Wed, Nov 26
Lufthansa Logo
6:43 pm - 11:05 pmSTL-BCN
21h 22m2 stops
Lufthansa Logo
5:50 am - 5:03 pmBCN-STL
18h 13m2 stops
$486Lufthansa
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Wed, Nov 26 - Thu, Dec 4
KLM Logo
12:38 pm - 8:40 amMCI-BCN
13h 02m1 stop
KLM Logo
10:55 am - 8:02 pmBCN-MCI
16h 07m1 stop
$559KLM
Find Deal
Wed, Dec 31 - Wed, Jan 14

Lufthansa flights from Missouri to Barcelona-El Prat Airport

Our best Lufthansa deals on Missouri to Barcelona-El Prat Airport flight tickets
Lufthansa
Nov 10
STL12:31 pmLambert-St Louis
16h 29m
2 stops
BCN12:00 pmBarcelona-El Prat
Nov 26
BCN6:50 amBarcelona-El Prat
14h 05m
1 stop
STL1:55 pmLambert-St Louis
$439
Find similar
Lufthansa
Nov 26
STL6:43 pmLambert-St Louis
21h 22m
2 stops
BCN11:05 pmBarcelona-El Prat
Dec 4
BCN5:50 amBarcelona-El Prat
18h 13m
2 stops
STL5:03 pmLambert-St Louis
$486
Find similar
Lufthansa
Nov 26
STL3:50 pmLambert-St Louis
18h 55m
1 stop
BCN5:45 pmBarcelona-El Prat
Dec 4
BCN5:50 amBarcelona-El Prat
18h 13m
2 stops
STL5:03 pmLambert-St Louis
$506
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
Dec 4
MCI5:45 pmKansas City
31h 35m
1 stop
BCN8:20 amBarcelona-El Prat
Dec 8
BCN1:35 pmBarcelona-El Prat
52h 04m
2 stops
MCI10:39 amKansas City
$466
Find similar
United Airlines
Nov 10
STL3:14 pmLambert-St Louis
14h 56m
1 stop
BCN1:10 pmBarcelona-El Prat
Nov 26
BCN6:50 amBarcelona-El Prat
14h 05m
1 stop
STL1:55 pmLambert-St Louis
$469
Find similar
United Airlines
Nov 10
STL12:31 pmLambert-St Louis
13h 29m
2 stops
BCN9:00 amBarcelona-El Prat
Nov 26
BCN10:30 amBarcelona-El Prat
18h 10m
2 stops
STL9:40 pmLambert-St Louis
$473
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 November 3, 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

Tue 12/2

6:00 am-8:40 am

1 stop19h 40m

Barcelona-El Prat

Tue 12/9

10:15 am-11:29 pm

2 stops20h 14m

$438

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 12/2

5:50 am-8:40 am

1 stop19h 50m

Barcelona-El Prat

Tue 12/9

10:15 am-9:56 am

2 stops30h 41m

$438

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/10

12:31 pm-12:00 pm

2 stops16h 29m

Barcelona-El Prat

Wed 11/26

6:50 am-1:55 pm

1 stop14h 05m

$439

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

6:00 am-8:00 am

2 stops19h 00m

Barcelona-El Prat

Tue 2/17

10:15 am-9:08 am

2 stops29h 53m

$449

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 1/25

9:57 am-8:00 am

1 stop15h 03m

Barcelona-El Prat

Sat 2/7

10:15 am-7:19 pm

1 stop16h 04m

$459

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 1/19

6:18 pm-8:40 am

1 stop31h 22m

Barcelona-El Prat

Mon 2/2

10:15 am-7:19 pm

1 stop16h 04m

$464

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Thu 12/4

5:45 pm-8:20 am

1 stop31h 35m

Barcelona-El Prat

Mon 12/8

1:35 pm-10:39 am

2 stops52h 04m

$466

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/10

3:14 pm-1:10 pm

1 stop14h 56m

Barcelona-El Prat

Wed 11/26

6:50 am-1:55 pm

1 stop14h 05m

$469

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/26

6:43 pm-11:05 pm

2 stops21h 22m

Barcelona-El Prat

Thu 12/4

5:50 am-5:03 pm

2 stops18h 13m

$486

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 12/31

12:38 pm-8:40 am

1 stop13h 02m

Barcelona-El Prat

Wed 1/14

10:55 am-8:02 pm

1 stop16h 07m

$559

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 $669.

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 $921 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 20% 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
7.7
1,405 reviews
Search KLM flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
DeltaPriceFrom $532Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $532Free CancellationRating
7.2
11,036 reviews
Search American Airlines flights
Air FrancePriceFrom $533Free CancellationRating
7.4
1,482 reviews
Search Air France flights
LufthansaPriceFrom $568Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom $582Free CancellationRating
7.5
671 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $590Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Air CanadaPriceFrom $624Free CancellationRating
7.1
10,398 reviews
Search Air Canada flights
IberiaPriceFrom $631Free CancellationRating
7.0
3,006 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
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tarragona
Santa Susanna
Cambrils
Cadaques
Empuriabrava
Pineda de Mar
Roses
Badalona
Calella
Pals
Palafrugell
Tortosa
La Pineda

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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