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Barcelona-El Prat

$306+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$499
(FlightHub)

One-way from

$306
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$726
From Missouri to Barcelona-El Prat
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One-way flight from Missouri to Barcelona-El Prat
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Highest demand for flights based on searches. 32% potential increase in price ($453 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:59 amMCI - BCN
2 stops25h 21mScandinavian Airlines
Sat 11/157:10 pmBCN - MCI
2 stops34h 25mScandinavian Airlines
Deal found 9/14$499
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/301:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Wed 10/1512:10 pmBCN - STL
2 stops29h 39mUnited Airlines
Deal found 9/15$525
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/2311:33 amMCI - BCN
2 stops13h 17mUnited Airlines
Tue 9/3012:10 pmBCN - MCI
2 stops36h 16mUnited Airlines
Deal found 9/15$525
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/309:20 amSTL - BCN
2 stops15h 30mUnited Airlines
Tue 10/1412:10 pmBCN - STL
2 stops29h 38mUnited Airlines
Deal found 9/15$530
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:35 pmMCI - BCN
2 stops32h 00mAir Canada
Tue 12/21:35 pmBCN - MCI
2 stops31h 46mAir Canada
Deal found 9/13$530
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sat 10/49:15 amSTL - BCN
2 stops39h 35mAir Canada
Fri 10/3112:35 pmBCN - STL
2 stops35h 04mAir Canada
Deal found 9/13$532
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:15 pmSTL - BCN
2 stops19h 05mScandinavian Airlines
Wed 11/57:10 pmBCN - STL
2 stops33h 28mScandinavian Airlines
Deal found 9/14$533
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/299:20 amSTL - BCN
2 stops16h 40mUnited Airlines
Wed 10/1512:10 pmBCN - STL
2 stops29h 39mUnited Airlines
Deal found 9/15$534
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:21 pmSTL - BCN
1 stop31h 39mMultiple Airlines
Fri 10/3112:35 pmBCN - STL
2 stops39h 05mMultiple Airlines
Deal found 9/14$536
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/226:35 amSTL - BCN
1 stop23h 40mUnited Airlines
Fri 10/31:15 pmBCN - STL
1 stop33h 03mUnited Airlines
Deal found 9/15$537
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/291:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Thu 10/912:10 pmBCN - STL
1 stop14h 47mUnited Airlines
Deal found 9/14$538
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sun 9/285:00 amSTL - BCN
2 stops19h 50mAir Canada
Wed 10/812:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 9/13$539

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 September 15, 2025.
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

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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 9/29

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Wed 10/15

12:10 pm-10:49 am

2 stops29h 39m

$525

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 9/24

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Fri 10/3

12:10 pm-12:28 pm

2 stops31h 18m

$525

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/30

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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/21

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Fri 10/3

12:10 pm-11:47 am

2 stops30h 37m

$525

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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/28

9:20 am-1:15 pm

1 stop20h 55m

Barcelona-El Prat

Tue 10/7

12:10 pm-10:49 am

2 stops29h 39m

$530

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/30

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Wed 10/8

12:10 pm-7:57 pm

1 stop14h 47m

$538

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 10/13

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Thu 10/23

12:10 pm-3:44 pm

2 stops34h 34m

$545

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/21

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Thu 10/2

3:15 pm-9:37 pm

1 stop13h 22m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 36 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, January is the cheapest month in which you can book a flight from Missouri to Barcelona-El Prat Airport (average of $523). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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.

What is the cheapest time of day to fly from MO to BCN?

Find hourly flight availability from Missouri to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Missouri to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20m. There are 4638 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 $376 on Scandinavian Airlines. Other airlines that offer cheap prices include KLM from $453 and United Airlines from $545 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 Kansas City - Barcelona-El Prat, Lambert-St Louis - Barcelona-El Prat or Joplin - 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, January is the cheapest month in which you can book a flight from Missouri to Barcelona-El Prat Airport (average of $523). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,059). 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
Calella
Roses
Castelldefels
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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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.
John F Kennedy Intl to Barcelona-El Prat flights
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$775FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$533Average$793FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$533Average$976FlexibilityNo cancel feeOn-time69%
DeltaCheapest$557Average$937FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$570Average$949FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$580Average$655FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$614Average$1,005FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$624Average$1,242FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,277FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$635Average$1,166FlexibilityNo cancel feeOn-time71%

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