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$237+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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 3/38:30 am
STL
-
BCN
1 stop16h 50m
United Airlines
Tue 3/1012:35 pm
BCN
-
STL
2 stops40h 24m
United Airlines
Deal found 1/27$465
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/2412:37 pm
MCI
-
BCN
1 stop12h 43m
United Airlines
Tue 3/31:35 pm
BCN
-
MCI
2 stops37h 31m
United Airlines
Deal found 1/27$465
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:46 am
STL
-
BCN
1 stop14h 04m
Finnair
Tue 3/109:35 am
BCN
-
STL
1 stop15h 54m
Finnair
Deal found 1/27$468
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/74:29 pm
MCI
-
BCN
2 stops32h 31m
United Airlines
Tue 4/1412:15 pm
BCN
-
MCI
2 stops29h 12m
United Airlines
Deal found 1/26$468
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:22 am
STL
-
BCN
1 stop12h 43m
Finnair
Wed 3/43:05 pm
BCN
-
STL
1 stop15h 51m
Finnair
Deal found 1/26$469
This United Airlines deal was found by Cheapflights users on 1/25. 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 3/17:41 am
STL
-
BCN
2 stops18h 19m
United Airlines
Tue 3/1012:35 pm
BCN
-
STL
2 stops32h 07m
United Airlines
Deal found 1/25$470
This oojo deal was found by Cheapflights users on 1/26. 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 2/2511:59 am
STL
-
BCN
2 stops16h 11m
British Airways
Wed 3/412:30 pm
BCN
-
STL
1 stop17h 34m
British Airways
Deal found 1/26$473
This oojo deal was found by Cheapflights users on 1/26. 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 4/146:11 pm
STL
-
BCN
2 stops19h 19m
British Airways
Tue 4/283:15 pm
BCN
-
STL
1 stop35h 15m
British Airways
Deal found 1/26$479
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/238:00 am
MCI
-
BCN
2 stops18h 00m
United Airlines
Sun 3/810:30 am
BCN
-
MCI
1 stop16h 11m
United Airlines
Deal found 1/26$481
This oojo deal was found by Cheapflights users on 1/27. 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 4/156:00 am
SGF
-
BCN
2 stops23h 05m
British Airways
Mon 4/207:20 pm
BCN
-
SGF
2 stops29h 17m
British Airways
Deal found 1/27$482
This oojo deal was found by Cheapflights users on 1/26. 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 4/132:38 pm
MCI
-
BCN
2 stops18h 47m
British Airways
Mon 4/207:20 pm
BCN
-
MCI
2 stops27h 57m
British Airways
Deal found 1/26$482
This oojo deal was found by Cheapflights users on 1/27. 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 3/32:21 pm
STL
-
BCN
2 stops13h 59m
British Airways
Tue 3/106:40 am
BCN
-
STL
2 stops18h 12m
British Airways
Deal found 1/27$483

Find flight deals from Missouri to Barcelona

Keep the following information in mind while searching for Missouri to Barcelona flight deals. Data was last updated January 28, 2026.

Round-trip from

$465
(United Airlines)

One-way from

$237
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$505
From Missouri to Barcelona
Search Deals
One-way flight from Missouri to Barcelona
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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

Tue 3/3

8:30 am-8:20 am

1 stop16h 50m

Barcelona-El Prat

Tue 3/10

12:35 pm-10:59 pm

2 stops40h 24m

$465

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 2/24

12:37 pm-8:20 am

1 stop12h 43m

Barcelona-El Prat

Tue 3/3

1:35 pm-8:06 pm

2 stops37h 31m

$465

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 3/1

7:41 am-9:00 am

2 stops18h 19m

Barcelona-El Prat

Tue 3/10

12:35 pm-2:42 pm

2 stops32h 07m

$470

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/15

6:15 am-8:20 am

2 stops19h 05m

Barcelona-El Prat

Fri 4/24

12:15 pm-4:42 pm

2 stops35h 27m

$470

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Wed 4/15

6:00 am-12:05 pm

2 stops23h 05m

Barcelona-El Prat

Mon 4/20

8:35 pm-5:37 pm

2 stops28h 02m

$482

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/14

6:11 pm-8:30 pm

2 stops19h 19m

Barcelona-El Prat

Tue 4/28

11:50 am-10:14 pm

2 stops17h 24m

$482

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Mon 4/20

5:45 pm-10:30 pm

2 stops21h 45m

Barcelona-El Prat

Mon 4/27

8:35 pm-5:37 pm

2 stops28h 02m

$483

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 4/13

2:38 pm-4:25 pm

2 stops18h 47m

Barcelona-El Prat

Mon 4/20

8:35 pm-7:21 pm

2 stops29h 46m

$483

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 2/24

8:05 am-8:40 am

1 stop17h 35m

Barcelona-El Prat

Tue 3/3

10:55 am-6:39 pm

1 stop14h 44m

$485

JoplinBarcelona

JLN - BCN

JLNBCN

Joplin

Wed 2/25

8:54 am-9:00 am

2 stops17h 06m

Barcelona-El Prat

Sun 3/1

9:55 am-5:38 pm

2 stops38h 43m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 43 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, February is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $433). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,053). 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?

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 $465, United Airlines can have you in Barcelona from Missouri in 16h 50m. 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 cheapest airlines to fly from Missouri to Barcelona one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $299. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Missouri to Barcelona for a low price.

  • 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, February is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $433). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,053). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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Sky Harbor Intl to Barcelona-El Prat flights
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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$433Average$771FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$461Average$883FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$485Average$1,105FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$490Average$865FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$510Average$1,114FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$923FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$752FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$582Average$707FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$593Average$1,195FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,258FlexibilityNo cancel feeOn-time77%

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