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$229+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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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 November 12, 2025.

This Rumbo deal was found by Cheapflights users on 11/10. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:02 pmSTL - BCN
1 stop30h 38mVirgin Atlantic
Wed 12/249:30 amBCN - STL
1 stop13h 58mVirgin Atlantic
Deal found 11/10$403
This Virgin Atlantic deal was found by Cheapflights users on 11/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:38 pmMCI - BCN
1 stop13h 02mVirgin Atlantic
Wed 1/1410:55 amBCN - MCI
1 stop16h 07mVirgin Atlantic
Deal found 11/9$434
This Delta deal was found by Cheapflights users on 11/12. 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.
Wed 11/266:40 amSTL - BCN
2 stops18h 20mDelta
Thu 12/410:55 amBCN - STL
1 stop19h 47mDelta
Deal found 11/12$438
This Virgin Atlantic deal was found by Cheapflights users on 11/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:47 pmMCI - BCN
1 stop12h 53mVirgin Atlantic
Tue 12/1610:15 amBCN - MCI
2 stops17h 58mVirgin Atlantic
Deal found 11/10$438
This KLM deal was found by Cheapflights users on 11/11. 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 12/85:12 pmSTL - BCN
1 stop32h 28mKLM
Wed 12/249:30 amBCN - STL
1 stop13h 58mKLM
Deal found 11/11$439
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:50 amSTL - BCN
2 stops16h 00mDelta
Wed 12/249:30 amBCN - STL
1 stop16h 34mDelta
Deal found 11/10$445
This KLM deal was found by Cheapflights users on 11/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:42 pmMCI - BCN
2 stops13h 18mMultiple Airlines
Wed 1/1410:55 amBCN - MCI
1 stop16h 07mMultiple Airlines
Deal found 11/9$452
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:31 pmSTL - BCN
2 stops20h 49mLufthansa
Tue 11/256:30 pmBCN - STL
1 stop26h 25mLufthansa
Deal found 11/11$453
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:13 pmMCI - BCN
2 stops13h 57mDelta
Tue 12/1610:15 amBCN - MCI
2 stops17h 58mDelta
Deal found 11/10$457
This Delta deal was found by Cheapflights users on 11/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:05 amSTL - BCN
1 stop18h 35mDelta
Tue 11/256:00 amBCN - STL
2 stops18h 09mDelta
Deal found 11/10$461
This Delta deal was found by Cheapflights users on 11/12. 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.
Wed 12/317:05 amMCI - BCN
1 stop18h 35mDelta
Wed 1/146:00 amBCN - MCI
2 stops20h 19mDelta
Deal found 11/12$461
This Booking.com deal was found by Cheapflights users on 11/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:00 amSTL - BCN
2 stops16h 35mAir Canada
Wed 12/241:35 pmBCN - STL
2 stops35h 19mAir Canada
Deal found 11/10$463

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 November 12, 2025.

Round-trip from

$403
(Rumbo)

One-way from

$229
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$666
From Missouri to Barcelona
Search Deals
One-way flight from Missouri to Barcelona
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($288 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 12, 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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/26

6:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Thu 12/4

10:55 am-11:42 pm

1 stop19h 47m

$438

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 12/9

12:47 pm-8:40 am

1 stop12h 53m

Barcelona-El Prat

Tue 12/16

10:15 am-9:13 pm

2 stops17h 58m

$438

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 12/8

9:50 am-8:50 am

2 stops16h 00m

Barcelona-El Prat

Wed 12/24

9:30 am-7:04 pm

1 stop16h 34m

$445

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 12/9

2:13 pm-11:10 am

2 stops13h 57m

Barcelona-El Prat

Tue 12/16

10:15 am-9:13 pm

2 stops17h 58m

$457

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

Wed 2/18

9:59 am-8:00 am

1 stop15h 01m

Barcelona-El Prat

Sat 2/28

10:55 am-8:41 pm

1 stop16h 46m

$459

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 12/10

8:30 am-8:20 am

1 stop16h 50m

Barcelona-El Prat

Tue 12/16

1:35 pm-3:40 pm

2 stops33h 05m

$461

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 12/8

8:30 am-9:35 am

2 stops18h 05m

Barcelona-El Prat

Wed 12/24

1:35 pm-2:26 pm

2 stops31h 51m

$461

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 1/14

9:57 am-8:00 am

1 stop15h 03m

Barcelona-El Prat

Wed 1/21

6:00 am-7:19 pm

2 stops20h 19m

$461

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 12/31

5:43 am-8:40 am

1 stop19h 57m

Barcelona-El Prat

Wed 1/14

6:00 am-7:19 pm

2 stops20h 19m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 $448). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,019). 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 November 12, 2025.

One of the essential ways to save on airfare from Missouri to Barcelona is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 28% on airfare.

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 $438, Delta can have you in Barcelona from Missouri in 12h 53m. The distance between Missouri and Barcelona is about 4803 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 Lambert-St Louis - Barcelona-El Prat, Kansas City - 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 $448). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,019). 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

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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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$483Average$771FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$531Average$1,061FlexibilityNo cancel feeOn-time69%
DeltaCheapest$532Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$532Average$1,152FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$533Average$752FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$568Average$931FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$582Average$707FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$590Average$960FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$624Average$1,239FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,215FlexibilityNo cancel feeOn-time77%

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