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Barcelona-El Prat

$238+ Cheap flights from Missouri to Barcelona-El Prat (BCN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Missouri to Barcelona-El Prat

Cheapest flights from Missouri to Barcelona-El Prat
Explore the most affordable flight options available from Missouri to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:00 am
MCI
-
BCN
1 stop22h 15m
United Airlines
Thu 4/2312:15 pm
BCN
-
MCI
2 stops34h 40m
United Airlines
Deal found 2/9$467
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:00 pm
MCI
-
BCN
1 stop13h 15m
United Airlines
Wed 4/221:15 pm
BCN
-
MCI
2 stops32h 10m
United Airlines
Deal found 2/8$471
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 am
MCI
-
BCN
2 stops22h 00m
British Airways
Thu 4/2310:30 am
BCN
-
MCI
1 stop13h 56m
British Airways
Deal found 2/9$474
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:33 pm
STL
-
BCN
2 stops16h 42m
British Airways
Tue 4/289:30 pm
BCN
-
STL
1 stop29h 00m
British Airways
Deal found 2/9$481
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:06 pm
MCI
-
BCN
2 stops16h 29m
British Airways
Mon 4/208:35 pm
BCN
-
MCI
2 stops27h 57m
British Airways
Deal found 2/10$484
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:10 am
STL
-
BCN
2 stops16h 50m
United Airlines
Wed 4/226:40 am
BCN
-
STL
1 stop13h 45m
United Airlines
Deal found 2/9$485
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:45 am
STL
-
BCN
1 stop22h 30m
United Airlines
Wed 4/226:40 am
BCN
-
STL
1 stop13h 45m
United Airlines
Deal found 2/9$486
This Gurufare deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:48 am
MCI
-
BCN
1 stop19h 02m
Multiple Airlines
Wed 4/2211:00 am
BCN
-
MCI
1 stop18h 11m
Multiple Airlines
Deal found 2/8$486
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:19 am
STL
-
BCN
1 stop15h 26m
Delta
Wed 4/2211:00 am
BCN
-
STL
1 stop13h 44m
Delta
Deal found 2/9$487
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:33 am
MCI
-
BCN
2 stops14h 47m
United Airlines
Tue 3/1710:30 am
BCN
-
MCI
1 stop16h 11m
United Airlines
Deal found 2/10$487
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
STL
-
BCN
2 stops17h 15m
Air Canada
Wed 4/221:15 pm
BCN
-
STL
1 stop33h 09m
Air Canada
Deal found 2/9$488
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:45 am
STL
-
BCN
1 stop22h 30m
United Airlines
Tue 4/2112:15 pm
BCN
-
STL
2 stops15h 53m
United Airlines
Deal found 2/9$490

Find flight deals from Missouri to Barcelona-El Prat

Keep the following information in mind while searching for Missouri to Barcelona-El Prat flight deals. Data was last updated February 10, 2026.

Round-trip from

$467
(United Airlines)

One-way from

$238
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$683
From Missouri to Barcelona-El Prat
Search Deals
One-way flight from Missouri to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Barcelona-El Prat 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, Cheapflights users made 2,558,603 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from Missouri to Barcelona-El Prat Airport that are best for you.

Fly from

Missouri

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

11:45 am-2:15 pm

2 stops19h 30m

Barcelona-El Prat

Tue 4/28

3:15 pm-7:30 pm

1 stop35h 15m

$481

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/15

7:05 am-12:05 pm

2 stops22h 00m

Barcelona-El Prat

Thu 4/23

7:40 am-11:18 pm

2 stops22h 38m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 4/13

3:28 pm-4:25 pm

2 stops17h 57m

Barcelona-El Prat

Mon 4/20

9:20 pm-9:56 pm

2 stops31h 36m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/15

7:05 am-12:05 pm

2 stops22h 00m

Barcelona-El Prat

Wed 4/22

7:40 am-5:26 pm

2 stops16h 46m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/15

10:48 am-12:50 pm

1 stop19h 02m

Barcelona-El Prat

Wed 4/22

11:00 am-10:11 pm

1 stop18h 11m

$486

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 4/12

7:03 am-12:50 pm

1 stop22h 47m

Barcelona-El Prat

Thu 4/23

11:00 am-11:34 pm

1 stop19h 34m

$487

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/15

3:21 pm-1:15 pm

1 stop14h 54m

Barcelona-El Prat

Thu 4/23

3:15 pm-9:59 pm

1 stop13h 44m

$487

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 3/10

11:33 am-8:20 am

2 stops14h 47m

Barcelona-El Prat

Tue 3/17

10:30 am-8:41 pm

1 stop16h 11m

$487

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Wed 4/15

6:30 pm-1:15 pm

1 stop11h 45m

Barcelona-El Prat

Mon 4/20

1:25 pm-5:24 pm

2 stops34h 59m

$503

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 4/13

6:15 am-1:15 pm

1 stop24h 00m

Barcelona-El Prat

Mon 4/20

1:50 pm-2:25 pm

2 stops31h 35m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 38 results
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Best time to book a flight from Missouri to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Missouri to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Missouri to Barcelona-El Prat Airport (average of $433). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Missouri to Barcelona-El Prat Airport?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to Barcelona-El Prat Airport?

    Departing from Missouri to Barcelona-El Prat Airport will take you 11h 45m. There are 4832 mi between Missouri and Barcelona-El Prat Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Missouri to Barcelona-El Prat Airport one-way?

    One-way options have recently been found by users for as low as $299 on United Airlines. Other airlines that offer cheap prices include Air Canada from $299 and American Airlines from $315 one-way.

  • What are the most popular routes from Missouri to Barcelona-El Prat Airport?

    When deciding which route to take from Missouri to Barcelona-El Prat Airport consider Lambert-St Louis - Barcelona-El Prat, Kansas City - Barcelona-El Prat or Springfield-Branson - Barcelona-El Prat as they are the most popular.

  • Can I find deals for flights from Missouri to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Missouri to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Barcelona-El Prat.

  • Can I find deals for business class flights from Missouri to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Missouri to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Barcelona-El Prat Airport (average of $433). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,028). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Roses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Alternative routes for Missouri to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Missouri to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Missouri to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$433Average$789FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$449Average$870FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$485Average$1,105FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$490Average$858FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$510Average$1,114FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$910FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$752FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$582Average$707FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$593Average$1,208FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,185FlexibilityNo cancel feeOn-time77%

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