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$316+ Cheap flights from Missouri to Barcelona

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Missouri to Barcelona

Keep the following information in mind while searching for Missouri to Barcelona flight deals. Data was last updated September 17, 2025.

Round-trip from

$499
(FlightHub)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$726
From Missouri to Barcelona
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One-way flight from Missouri to Barcelona
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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

Cheapest flights from Missouri to Barcelona
Explore the most affordable flight options available from Missouri to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Ticket deal was found by Cheapflights users on 9/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:26 pmSTL - BCN
1 stop12h 54mVirgin Atlantic
Wed 10/19:30 amBCN - STL
2 stops16h 35mVirgin Atlantic
Deal found 9/16$461
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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:30 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 10/812:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 9/15$517
This lol.travel deal was found by Cheapflights users on 9/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/284:39 pmMCI - BCN
1 stop13h 36mUnited Airlines
Tue 10/146:00 amBCN - MCI
2 stops39h 48mUnited Airlines
Deal found 9/16$523
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.
Wed 9/241:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Fri 10/312:10 pmBCN - STL
2 stops31h 18mUnited 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 Ticket deal was found by Cheapflights users on 9/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:30 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 10/112:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 9/16$529
This FlightHub deal was found by Cheapflights users on 9/16. 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 9/16$530
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:05 pmSTL - BCN
2 stops32h 45mAir Canada
Fri 10/3112:35 pmBCN - STL
2 stops33h 11mAir Canada
Deal found 9/15$532
This Orbitz deal was found by Cheapflights users on 9/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:59 pmSTL - BCN
2 stops19h 11mScandinavian Airlines
Sat 11/87:10 pmBCN - STL
2 stops35h 30mScandinavian Airlines
Deal found 9/16$533
This lastminute.com deal was found by Cheapflights users on 9/17. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:59 amMCI - BCN
2 stops25h 21mScandinavian Airlines
Fri 11/147:10 pmBCN - MCI
2 stops34h 25mScandinavian Airlines
Deal found 9/17$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 9/296:30 amSTL - BCN
2 stops18h 50mUnited Airlines
Tue 10/1412:10 pmBCN - STL
2 stops29h 38mUnited Airlines
Deal found 9/15$534

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Barcelona 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 17, 2025.
Use the filters below to find and compare flights from Missouri to Barcelona that are best for you.

Fly from

Missouri

Fly to

Barcelona

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

Wed 11/26

6:30 am-9:35 am

2 stops20h 05m

Barcelona-El Prat

Thu 12/4

1:35 pm-12:15 pm

2 stops29h 40m

$530

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/26

6:30 am-9:35 am

2 stops20h 05m

Barcelona-El Prat

Thu 12/4

1:35 pm-12:15 pm

2 stops29h 40m

$530

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 10/25

1:30 pm-7:20 pm

2 stops22h 50m

Barcelona-El Prat

Sat 11/8

7:10 pm-11:40 pm

2 stops35h 30m

$533

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Mon 9/29

11:40 am-11:55 am

2 stops17h 15m

Barcelona-El Prat

Wed 10/8

9:30 am-10:09 pm

2 stops19h 39m

$545

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Mon 9/29

6:45 pm-9:20 am

1 stop31h 35m

Barcelona-El Prat

Wed 10/8

11:35 am-10:09 pm

1 stop17h 34m

$545

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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 10/13

9:20 am-1:15 pm

1 stop20h 55m

Barcelona-El Prat

Thu 10/23

12:10 pm-2:27 pm

2 stops33h 17m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

What is the cheapest month to book a flight from Missouri to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $523). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,061). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Missouri to Barcelona, 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. 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?

    For as low as $525, Scandinavian Airlines can have you in Barcelona from Missouri in 11h 20m. The distance between Missouri and Barcelona is about 4638 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Missouri to Barcelona?

    Most travelers choose Kansas City - Barcelona-El Prat, Lambert-St Louis - Barcelona-El Prat or Springfield-Branson - Barcelona-El Prat when deciding on the best route from Missouri to Barcelona.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $523). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,061). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Barcelona

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

Discover the top 10 airlines that operate flights from Missouri to Barcelona. 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 17, 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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