HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona-El Prat

$325+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 17, 2025.

Round-trip from

$606
(CheapOair)

One-way from

$325
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$936
From Missouri to Barcelona-El Prat
Search Deals
One-way flight from Missouri to Barcelona-El Prat
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($270 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/15. 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 9/176:00 amSTL - BCN
1 stop17h 00mDelta
Fri 10/39:00 amBCN - STL
1 stop18h 50mDelta
Deal found 4/15$572
This Air Canada deal was found by Cheapflights users on 4/15. 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.
Fri 9/191:30 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 10/112:15 pmBCN - STL
2 stops34h 23mAir Canada
Deal found 4/15$595
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:05 pmSTL - BCN
2 stops45h 25mMultiple Airlines
Tue 9/301:15 pmBCN - STL
1 stop13h 18mMultiple Airlines
Deal found 4/15$597
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 11/195:18 pmSTL - BCN
1 stop12h 47mUnited Airlines
Wed 11/2612:15 pmBCN - STL
2 stops31h 05mUnited Airlines
Deal found 4/16$599
This United Airlines deal was found by Cheapflights users on 4/17. 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 11/106:37 pmMCI - BCN
1 stop11h 28mUnited Airlines
Tue 11/1812:15 pmBCN - MCI
3 stops34h 48mUnited Airlines
Deal found 4/17$599
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:59 pmSTL - BCN
2 stops43h 46mBritish Airways
Tue 9/3010:15 amBCN - STL
2 stops17h 06mBritish Airways
Deal found 4/15$605
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:30 amMCI - BCN
2 stops17h 20mAir Canada
Wed 10/81:15 pmBCN - MCI
2 stops32h 05mAir Canada
Deal found 4/16$606
This Finnair deal was found by Cheapflights users on 4/17. 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.
Mon 11/105:09 amMCI - BCN
1 stop20h 31mMultiple Airlines
Tue 11/181:30 pmBCN - MCI
1 stop14h 15mMultiple Airlines
Deal found 4/17$612
This Gurufare deal was found by Cheapflights users on 4/16. 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.
Wed 11/193:45 pmSTL - BCN
1 stop13h 30mLufthansa
Wed 11/266:50 amBCN - STL
1 stop14h 05mLufthansa
Deal found 4/16$618
This Iberia deal was found by Cheapflights users on 4/16. 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.
Wed 9/1712:07 pmSTL - BCN
1 stop15h 03mIberia
Thu 10/210:45 amBCN - STL
1 stop15h 23mIberia
Deal found 4/16$621
This Orbitz deal was found by Cheapflights users on 4/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:07 pmMCI - BCN
2 stops19h 38mBritish Airways
Tue 9/3010:45 amBCN - MCI
1 stop16h 51mBritish Airways
Deal found 4/17$626
This KLM deal was found by Cheapflights users on 4/17. 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 9/171:45 pmMCI - BCN
1 stop12h 35mKLM
Mon 9/299:30 amBCN - MCI
1 stop21h 27mKLM
Deal found 4/17$672

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 April 17, 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

Wed 9/17

6:00 am-6:00 am

1 stop17h 00m

Barcelona-El Prat

Fri 10/3

9:00 am-8:50 pm

1 stop18h 50m

$572

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 9/19

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Wed 10/1

12:15 pm-3:38 pm

2 stops34h 23m

$595

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/16

4:05 pm-8:30 pm

2 stops45h 25m

Barcelona-El Prat

Tue 9/30

1:15 pm-7:33 pm

1 stop13h 18m

$597

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/16

7:59 pm-10:45 pm

2 stops43h 46m

Barcelona-El Prat

Tue 9/30

10:15 am-8:21 pm

2 stops17h 06m

$605

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 10/1

7:30 am-7:50 am

2 stops17h 20m

Barcelona-El Prat

Wed 10/8

1:15 pm-2:20 pm

2 stops32h 05m

$606

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 9/17

12:07 pm-10:10 am

1 stop15h 03m

Barcelona-El Prat

Thu 10/2

10:45 am-7:08 pm

1 stop15h 23m

$621

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 10/1

9:59 am-6:00 am

1 stop13h 01m

Barcelona-El Prat

Wed 10/8

9:00 am-6:38 pm

1 stop16h 38m

$622

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 9/17

8:07 pm-10:45 pm

2 stops19h 38m

Barcelona-El Prat

Tue 9/30

10:45 am-8:36 pm

1 stop16h 51m

$626

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 9/14

6:35 am-1:15 pm

1 stop23h 40m

Barcelona-El Prat

Tue 9/30

12:10 pm-2:19 pm

2 stops33h 09m

$660

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 9/17

1:45 pm-9:20 am

1 stop12h 35m

Barcelona-El Prat

Mon 9/29

9:30 am-11:57 pm

1 stop21h 27m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 52 results
1
2
3
...
6

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 $1,079). 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 April 17, 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.

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 April 17, 2025.
Read through reviews of airlines operating flights from Missouri to Barcelona, such as Asiana Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
438 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,916 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,327 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Finnair
7.6
Good
1,269 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Austrian Airlines
7.6
Good
775 reviews
Asiana Airlines
8.2
Very good
438 reviews

Comfort

8.0

Boarding

8.3

Crew

8.5

Food

8.0

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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 $578 on Air Canada. Other airlines that offer cheap prices include KLM from $581 and Virgin Atlantic from $583 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 Lambert-St Louis - Barcelona-El Prat, Kansas City - 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 $1,079). 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 Missouri?

Book flights to Missouri if you plan to visit one of these locations
Calella
Castelldefels
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna
Tossa de Mar

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-El Prat

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Barcelona-El Prat flights
San Francisco to Barcelona-El Prat flights
Los Angeles to Barcelona-El Prat flights
LaGuardia to Barcelona-El Prat flights
Miami to Barcelona-El Prat flights
Dallas/Fort Worth to Barcelona-El Prat flights
Dulles Intl to Barcelona-El Prat flights
O'Hare Intl to Barcelona-El Prat flights
Boston to Barcelona-El Prat flights
Atlanta to Barcelona-El Prat flights
Philadelphia to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Baltimore to Barcelona-El Prat flights
Seattle to Barcelona-El Prat flights
Midway to Barcelona-El Prat flights
Ontario to Barcelona-El Prat flights
Love Field to Barcelona-El Prat flights
Orlando to Barcelona-El Prat flights
Stewart to Barcelona-El Prat flights
Hobby to Barcelona-El Prat flights
Denver to Barcelona-El Prat flights
Charlotte to Barcelona-El Prat flights
George Bush Intcntl to Barcelona-El Prat flights
Austin to Barcelona-El Prat flights
Sky Harbor Intl to Barcelona-El Prat flights
Raleigh to Barcelona-El Prat flights
Tampa to Barcelona-El Prat flights
Minneapolis to Barcelona-El Prat flights
San Diego to Barcelona-El Prat flights
Detroit to Barcelona-El Prat flights
Portland to Barcelona-El Prat flights
Nashville to Barcelona-El Prat flights
Jacksonville to Barcelona-El Prat flights
San Jose to Barcelona-El Prat flights
Cleveland to Barcelona-El Prat flights
Pittsburgh to Barcelona-El Prat flights
Las Vegas to Barcelona-El Prat flights
Cincinnati to Barcelona-El Prat flights
St. Louis to Barcelona-El Prat flights
Fort Lauderdale to Barcelona-El Prat flights
Columbus to Barcelona-El Prat flights
Indianapolis to Barcelona-El Prat flights
New Orleans to Barcelona-El Prat flights
Omaha to Barcelona-El Prat flights
Salt Lake City to Barcelona-El Prat flights
San Antonio to Barcelona-El Prat flights
West Palm Beach to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
Oakland to Barcelona-El Prat flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$530Average$982FlexibilityNo cancel feeOn-time76%
KLMCheapest$540Average$882FlexibilityNo cancel feeOn-time75%
DeltaCheapest$557Average$1,017FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$570Average$988FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$571Average$777FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$603Average$1,046FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$617Average$1,142FlexibilityNo cancel feeOn-time71%
IberiaCheapest$689Average$1,208FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$712Average$1,116FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.