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Barcelona-El Prat

$294+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap 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 julio 31, 2025.

Round-trip from

$533
(Booking.com)

One-way from

$294
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,335
From Missouri to Barcelona-El Prat
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One-way flight from Missouri to Barcelona-El Prat
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Highest demand for flights based on searches. 32% potential increase in price ($456 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 31, 2025.

This Booking.com deal was found by Cheapflights users on 7/30. 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.
lun. 9/221:30 pmSTL - BCN
1 stop11h 20mAir Canada
mié. 10/812:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 7/30$533
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 10/11:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
vie. 10/1012:10 pmBCN - STL
2 stops34h 34mUnited Airlines
Deal found 7/30$555
This eDestinos deal was found by Cheapflights users on 7/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/1410:36 amSTL - BCN
1 stop15h 29mIberia
vie. 10/242:00 pmBCN - STL
1 stop13h 20mIberia
Deal found 7/29$569
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:05 amSTL - BCN
1 stop21h 25mAmerican Airlines
mar. 10/72:00 pmBCN - STL
2 stops16h 54mAmerican Airlines
Deal found 7/31$585
This Gurufare deal was found by Cheapflights users on 7/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/301:03 pmSTL - BCN
1 stop13h 02mBritish Airways
jue. 10/910:45 amBCN - STL
1 stop16h 41mBritish Airways
Deal found 7/31$605
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/106:29 pmMCI - BCN
1 stop11h 46mUnited Airlines
mar. 9/1612:10 pmBCN - MCI
2 stops33h 10mUnited Airlines
Deal found 7/30$615
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/204:48 pmMCI - BCN
2 stops32h 02mAir Canada
dom. 10/512:10 pmBCN - MCI
2 stops40h 35mAir Canada
Deal found 7/28$624
This Finnair deal was found by Cheapflights users on 7/28. 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.
vie. 11/285:09 amMCI - BCN
1 stop18h 56mMultiple Airlines
vie. 12/511:00 amBCN - MCI
1 stop19h 33mMultiple Airlines
Deal found 7/28$633
This FlightHub deal was found by Cheapflights users on 7/29. 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.
sáb. 10/119:50 amMCI - BCN
2 stops25h 20mScandinavian Airlines
jue. 10/1610:25 amBCN - MCI
2 stops43h 56mScandinavian Airlines
Deal found 7/29$634
This oojo deal was found by Cheapflights users on 7/31. 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.
lun. 9/17:56 pmMCI - BCN
2 stops17h 39mBritish Airways
jue. 9/1812:20 pmBCN - MCI
1 stop15h 44mBritish Airways
Deal found 7/31$651
This Booking.com deal was found by Cheapflights users on 7/30. 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.
dom. 10/199:15 amSTL - BCN
1 stop17h 05mMultiple Airlines
sáb. 10/254:25 pmBCN - STL
1 stop29h 30mMultiple Airlines
Deal found 7/30$653
This Iberia deal was found by Cheapflights users on 7/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/316:11 pmMCI - BCN
1 stop32h 59mIberia
lun. 9/89:10 pmBCN - MCI
2 stops32h 57mIberia
Deal found 7/29$671

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 julio 31, 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

lun. 9/22

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

mié. 10/8

12:10 pm-7:57 pm

1 stop14h 47m

$533

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

lun. 9/22

7:04 pm-6:10 pm

2 stops16h 06m

Barcelona-El Prat

mié. 10/8

6:50 am-1:30 pm

1 stop13h 40m

$552

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mié. 10/1

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

vie. 10/10

12:10 pm-3:44 pm

2 stops34h 34m

$555

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 10/14

10:36 am-9:05 am

1 stop15h 29m

Barcelona-El Prat

vie. 10/24

2:00 pm-8:20 pm

1 stop13h 20m

$569

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

dom. 9/21

6:05 am-10:30 am

1 stop21h 25m

Barcelona-El Prat

mar. 10/7

2:00 pm-11:54 pm

2 stops16h 54m

$585

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

mar. 1/6

6:21 pm-4:05 pm

2 stops14h 44m

Barcelona-El Prat

jue. 1/15

10:40 am-6:23 pm

1 stop14h 43m

$587

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

mié. 9/10

6:29 pm-1:15 pm

1 stop11h 46m

Barcelona-El Prat

mar. 9/16

12:10 pm-2:20 pm

2 stops33h 10m

$615

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

sáb. 9/20

4:48 pm-7:50 am

2 stops32h 02m

Barcelona-El Prat

dom. 10/5

12:10 pm-9:45 pm

2 stops40h 35m

$624

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

sáb. 10/11

9:50 am-6:10 pm

2 stops25h 20m

Barcelona-El Prat

jue. 10/16

10:25 am-11:21 pm

2 stops43h 56m

$634

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

mié. 9/10

10:46 am-10:10 am

1 stop16h 24m

Barcelona-El Prat

mar. 9/16

12:20 pm-11:07 pm

1 stop17h 47m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 39 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 $523). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,057). 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 julio 31, 2025.

When flying from Missouri to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Missouri to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated julio 31, 2025.
Read reviews from past customers who have flown Delta, KLM, and United Airlines from Missouri to Barcelona-El Prat Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $440 on Lufthansa. Other airlines that offer cheap prices include Delta from $443 and Iberia from $463 one-way.

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

    When deciding which route to take from Missouri to Barcelona-El Prat Airport consider Kansas City - Barcelona-El Prat, Lambert-St Louis - Barcelona-El Prat or Springfield-Branson - Barcelona-El Prat as they are the most popular.

  • 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 $523). Flying from Missouri to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,057). 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
Castelldefels
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

Browse thousands of different options on Cheapflights for your next trip

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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.
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Top 9 airlines flying from Missouri to Barcelona-El Prat

Discover the top 9 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$468Average$774FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$527Average$1,005FlexibilityNo cancel feeOn-time76%
DeltaCheapest$533Average$998FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$843FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$567Average$1,016FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$580Average$902FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$629Average$1,242FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,261FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$635Average$1,151FlexibilityNo cancel feeOn-time71%

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