Missouri

$350+ Cheap flights from Barcelona-El Prat (BCN) to Missouri

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — STL
Jan 22 — Jan 291
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Cheap flight deals from Barcelona-El Prat to Missouri

Cheapest flights from Barcelona-El Prat to Missouri
Explore the most affordable flight options available from Barcelona-El Prat to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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 12/285:50 amBCN - STL
2 stops23h 53mUnited Airlines
Thu 1/811:20 amSTL - BCN
2 stops14h 40mUnited Airlines
Deal found 12/21$942
This Flysmarter deal was found by Cheapflights users on 12/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:50 amBCN - STL
1 stop15h 05mLufthansa
Thu 1/811:22 amSTL - BCN
1 stop14h 38mLufthansa
Deal found 12/21$969
This Delta deal was found by Cheapflights users on 12/22. 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.
Sun 12/286:00 amBCN - STL
2 stops18h 01mDelta
Thu 1/810:33 amSTL - BCN
2 stops20h 27mDelta
Deal found 12/22$1,165
This KLM deal was found by Cheapflights users on 12/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:55 amBCN - STL
1 stop29h 03mMultiple Airlines
Thu 1/85:56 pmSTL - BCN
2 stops13h 04mMultiple Airlines
Deal found 12/22$1,166
This KLM deal was found by Cheapflights users on 12/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:55 amBCN - STL
1 stop17h 48mKLM
Thu 1/87:10 amSTL - BCN
1 stop18h 30mKLM
Deal found 12/22$1,170
This Rumbo deal was found by Cheapflights users on 12/20. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:05 pmBCN - MCI
2 stops29h 11mAer Lingus
Mon 12/295:12 amMCI - BCN
2 stops46h 38mAer Lingus
Deal found 12/20$1,344
This Flysmarter deal was found by Cheapflights users on 12/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:55 amBCN - STL
3 stops19h 48mAir Canada
Thu 1/84:05 pmSTL - BCN
2 stops15h 00mAir Canada
Deal found 12/21$1,368
This Rumbo deal was found by Cheapflights users on 12/20. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:25 pmBCN - MCI
2 stops34h 25mMultiple Airlines
Mon 12/291:49 pmMCI - BCN
1 stop12h 11mMultiple Airlines
Deal found 12/20$1,510
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/2211:10 amBCN - STL
2 stops16h 31mDelta
Mon 12/295:59 pmSTL - BCN
2 stops13h 01mDelta
Deal found 12/21$1,611
This Virgin Atlantic deal was found by Cheapflights users on 12/21. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:55 amBCN - STL
1 stop17h 48mVirgin Atlantic
Mon 12/291:22 pmSTL - BCN
1 stop12h 18mVirgin Atlantic
Deal found 12/21$1,616
This KLM deal was found by Cheapflights users on 12/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:55 amBCN - MCI
1 stop17h 13mKLM
Mon 12/296:35 pmMCI - BCN
1 stop29h 40mKLM
Deal found 12/20$1,675
This Air Canada deal was found by Cheapflights users on 12/20. 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.
Mon 12/226:50 amBCN - MCI
3 stops22h 00mAir Canada
Mon 12/2911:24 amMCI - BCN
3 stops19h 21mAir Canada
Deal found 12/20$2,664

Find flight deals from Barcelona-El Prat to Missouri

Keep the following information in mind while searching for Barcelona-El Prat to Missouri flight deals. Data was last updated December 23, 2025.

Round-trip from

$766
(Kiwi.com)

One-way from

$350
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$879
From Barcelona-El Prat to Missouri
One-way flight from Barcelona-El Prat to Missouri
Highest demand for flights based on searches. 10% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat to Missouri 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 December 23, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Missouri that are best for you.

Fly from

Barcelona-El Prat

Fly to

Missouri

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/15

11:00 am-11:59 pm

1 stop19h 59m

Lambert-St Louis

Mon 1/19

1:15 pm-1:00 pm

2 stops16h 45m

$766

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/15

10:40 am-7:29 pm

1 stop15h 49m

Lambert-St Louis

Mon 1/19

6:44 pm-5:55 pm

2 stops16h 11m

$767

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 2/4

10:40 am-10:59 pm

1 stop19h 19m

Lambert-St Louis

Wed 2/11

6:44 pm-4:30 pm

2 stops14h 46m

$768

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/15

6:00 am-4:37 pm

2 stops17h 37m

Lambert-St Louis

Mon 1/19

11:23 am-11:10 am

2 stops16h 47m

$774

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/15

1:00 pm-11:39 pm

2 stops17h 39m

Lambert-St Louis

Mon 1/19

6:57 pm-8:40 am

1 stop30h 43m

$777

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Wed 2/4

10:40 am-10:59 pm

1 stop19h 19m

Lambert-St Louis

Wed 2/11

9:25 am-8:50 am

1 stop16h 25m

$780

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Thu 1/15

10:15 am-8:06 pm

1 stop16h 51m

Lambert-St Louis

Mon 1/19

9:45 am-8:50 am

2 stops16h 05m

$798

BarcelonaKansas City

BCN - MCI

BCNMCI

Barcelona-El Prat

Mon 1/12

6:00 am-7:19 pm

2 stops20h 19m

Kansas City

Mon 1/19

9:57 am-8:50 am

2 stops15h 53m

$832

BarcelonaKansas City

BCN - MCI

BCNMCI

Barcelona-El Prat

Thu 2/5

12:30 pm-9:06 pm

1 stop15h 36m

Kansas City

Thu 2/12

2:02 pm-8:50 am

1 stop11h 48m

$848

BarcelonaKansas City

BCN - MCI

BCNMCI

Barcelona-El Prat

Thu 2/26

6:50 am-7:42 pm

2 stops19h 52m

Kansas City

Mon 3/2

5:30 pm-8:20 am

1 stop31h 50m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 27 results
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Best time to book a flight from Barcelona-El Prat to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Barcelona-El Prat 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 Barcelona-El Prat Airport to Missouri

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

Currently, April is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Missouri (average of $330). Flying from Barcelona-El Prat Airport to Missouri in July is currently the most expensive (average of $905). 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 BCN to MO?

Find hourly flight availability from Barcelona-El Prat to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Barcelona-El Prat Airport to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 69% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Missouri. 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 Barcelona-El Prat Airport to Missouri?

    Departing from Barcelona-El Prat Airport to Missouri will take you 15h 49m. Barcelona-El Prat Airport and Missouri are separated by a distance of 4638 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $471. Lufthansa flights start at $644 while deals on British Airways start at $662 one-way.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Missouri 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 Barcelona-El Prat Airport to Missouri?

    Currently, April is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Missouri (average of $330). Flying from Barcelona-El Prat Airport to Missouri in July is currently the most expensive (average of $905). 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.

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