Barcelona-El Prat

$332+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Jan 25 — Feb 11
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Cheap 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 December 26, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 12/315:46 pmMCI - BCN
2 stops16h 49mLufthansa
Wed 1/147:40 amBCN - MCI
2 stops17h 01mLufthansa
Deal found 12/24$660
This oojo deal was found by Cheapflights users on 12/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:59 pmMCI - BCN
2 stops18h 26mBritish Airways
Wed 1/1410:40 amBCN - MCI
1 stop19h 32mBritish Airways
Deal found 12/25$673
This Air Canada deal was found by Cheapflights users on 12/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 amMCI - BCN
2 stops18h 55mMultiple Airlines
Wed 1/146:50 amBCN - MCI
3 stops19h 57mMultiple Airlines
Deal found 12/25$1,112
This FlightHub deal was found by Cheapflights users on 12/24. 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.
Wed 12/317:40 amMCI - BCN
3 stops18h 55mAir Canada
Wed 1/146:50 amBCN - MCI
3 stops19h 57mAir Canada
Deal found 12/24$1,416
This Finnair deal was found by Cheapflights users on 12/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:00 amMCI - BCN
1 stop19h 05mMultiple Airlines
Fri 1/211:00 amBCN - MCI
1 stop20h 54mMultiple Airlines
Deal found 12/24$1,439
This United Airlines deal was found by Cheapflights users on 12/25. 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.
Fri 12/269:00 amMCI - BCN
2 stops17h 00mUnited Airlines
Fri 1/210:30 amBCN - MCI
1 stop17h 01mUnited Airlines
Deal found 12/25$1,507
This United Airlines deal was found by Cheapflights users on 12/24. 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.
Thu 12/2512:47 pmMCI - BCN
1 stop12h 33mUnited Airlines
Fri 1/26:45 amBCN - MCI
2 stops19h 57mUnited Airlines
Deal found 12/24$1,508
This United Airlines deal was found by Cheapflights users on 12/24. 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 12/2811:24 amSGF - BCN
2 stops13h 56mUnited Airlines
Sun 1/410:30 amBCN - SGF
2 stops38h 08mUnited Airlines
Deal found 12/24$1,602
This KLM deal was found by Cheapflights users on 12/24. 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 12/285:03 pmSGF - BCN
1 stop32h 37mKLM
Sun 1/410:55 amBCN - SGF
1 stop18h 25mKLM
Deal found 12/24$2,648
This KLM deal was found by Cheapflights users on 12/24. 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 12/2811:20 amSGF - BCN
2 stops16h 50mMultiple Airlines
Sun 1/410:55 amBCN - SGF
1 stop18h 25mMultiple Airlines
Deal found 12/24$2,850

Find 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 December 26, 2025.

Round-trip from

$462
(Mytrip)

One-way from

$332
(KLM)

Popular in

June

Cheapest in

February

Average price

$835
From Missouri to Barcelona-El Prat
One-way flight from Missouri to Barcelona-El Prat
Highest demand for flights based on searches. 24% potential increase in price ($283 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 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 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 December 26, 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

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 1/22

4:05 pm-9:35 am

2 stops34h 30m

Barcelona-El Prat

Wed 2/4

1:50 pm-3:29 pm

2 stops32h 39m

$462

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sat 3/7

6:34 pm-8:35 am

2 stops31h 01m

Barcelona-El Prat

Mon 3/16

12:35 pm-2:20 pm

2 stops31h 45m

$468

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Sat 2/21

5:02 pm-8:20 am

2 stops32h 18m

Barcelona-El Prat

Mon 3/2

1:35 pm-9:59 pm

2 stops39h 24m

$469

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Sat 1/24

1:13 pm-1:45 pm

2 stops17h 32m

Barcelona-El Prat

Sat 1/31

10:40 am-10:47 pm

1 stop19h 07m

$473

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 1/30

3:50 pm-7:50 pm

1 stop21h 00m

Barcelona-El Prat

Tue 2/3

1:35 pm-10:58 pm

2 stops40h 23m

$480

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

11:55 am-8:50 am

1 stop13h 55m

Barcelona-El Prat

Tue 2/17

10:40 am-11:18 pm

1 stop19h 38m

$484

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Sat 2/21

1:00 pm-8:40 am

1 stop12h 40m

Barcelona-El Prat

Mon 3/2

10:55 am-9:47 pm

1 stop17h 52m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Tue 3/10

9:44 am-7:50 am

1 stop16h 06m

Barcelona-El Prat

Fri 3/20

11:00 am-12:39 am

1 stop19h 39m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sat 2/7

11:34 am-8:50 am

1 stop14h 16m

Barcelona-El Prat

Mon 2/16

10:40 am-12:07 am

1 stop20h 27m

$484

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sat 3/7

6:44 am-8:05 am

1 stop18h 21m

Barcelona-El Prat

Mon 3/16

10:40 am-8:59 am

1 stop28h 19m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 47 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 $449). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,009). 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 December 26, 2025.

One of the essential ways to save on airfare from Missouri to Barcelona-El Prat Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

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 17h 32m. There are 4832 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 $350 on American Airlines. Other airlines that offer cheap prices include Lufthansa from $450 and United Airlines from $468 one-way.

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

  • 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 $449). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,009). 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
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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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.

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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$433Average$789FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$483Average$940FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$488Average$1,144FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$498Average$1,015FlexibilityNo cancel feeOn-time69%
DeltaCheapest$532Average$936FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$752FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$568Average$891FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$582Average$707FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$624Average$1,226FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,229FlexibilityNo cancel feeOn-time77%

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