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Barcelona-El Prat

$367+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Round-trip from

$592
(Delta)

One-way from

$367
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$936
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. 21% potential increase in price ($272 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:30 pmMCI - BCN
1 stop11h 45mDelta
Fri 9/1911:35 amBCN - MCI
1 stop17h 46mDelta
Deal found 4/29$592
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:48 pmMCI - BCN
1 stop13h 27mUnited Airlines
Tue 9/3012:10 pmBCN - MCI
2 stops33h 10mUnited Airlines
Deal found 4/28$599
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:59 amMCI - BCN
1 stop18h 56mMultiple Airlines
Tue 9/309:00 amBCN - MCI
1 stop16h 38mMultiple Airlines
Deal found 4/28$622
This Travelocity deal was found by Cheapflights users on 4/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/72:12 pmMCI - BCN
1 stop12h 58mIberia
Fri 9/1912:20 pmBCN - MCI
1 stop14h 56mIberia
Deal found 4/29$637
This Iberia deal was found by Cheapflights users on 4/29. 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.
Mon 9/19:50 amSTL - BCN
1 stop17h 20mIberia
Sat 9/1312:20 pmBCN - STL
1 stop17h 07mIberia
Deal found 4/29$642
This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:30 amMCI - BCN
3 stops17h 20mAir Canada
Tue 9/306:50 amBCN - MCI
3 stops21h 52mAir Canada
Deal found 4/28$644
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:45 pmMCI - BCN
2 stops21h 25mScandinavian Airlines
Tue 9/27:00 pmBCN - MCI
2 stops34h 17mScandinavian Airlines
Deal found 4/29$676
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:18 pmSTL - BCN
2 stops17h 32mDelta
Sat 9/136:10 amBCN - STL
2 stops18h 52mDelta
Deal found 4/29$687
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:01 pmSTL - BCN
2 stops16h 44mBritish Airways
Mon 10/68:25 pmBCN - STL
2 stops26h 43mBritish Airways
Deal found 4/29$698
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:20 pmMCI - BCN
2 stops17h 25mBritish Airways
Mon 9/228:25 pmBCN - MCI
2 stops26h 39mBritish Airways
Deal found 4/28$698
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/234:00 pmSTL - BCN
2 stops32h 50mAir Canada
Sat 9/612:10 pmBCN - STL
2 stops33h 09mAir Canada
Deal found 4/29$711
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:25 amSTL - BCN
1 stop19h 40mAmerican Airlines
Mon 10/610:45 amBCN - STL
1 stop16h 38mAmerican Airlines
Deal found 4/29$722

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 30, 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

Mon 9/1

9:50 am-10:10 am

1 stop17h 20m

Barcelona-El Prat

Sat 9/13

12:20 pm-10:27 pm

1 stop17h 07m

$642

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 9/1

2:18 pm-2:50 pm

2 stops17h 32m

Barcelona-El Prat

Sat 9/13

6:10 am-6:02 pm

2 stops18h 52m

$687

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 9/25

8:01 pm-7:45 pm

2 stops16h 44m

Barcelona-El Prat

Mon 10/6

8:25 pm-4:08 pm

2 stops26h 43m

$698

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 8/23

4:00 pm-7:50 am

2 stops32h 50m

Barcelona-El Prat

Sat 9/6

12:10 pm-2:19 pm

2 stops33h 09m

$711

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 9/25

6:25 am-9:05 am

1 stop19h 40m

Barcelona-El Prat

Mon 10/6

10:45 am-8:23 pm

1 stop16h 38m

$722

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 8/23

5:30 pm-7:50 am

2 stops31h 20m

Barcelona-El Prat

Sat 9/6

12:10 pm-7:57 pm

1 stop14h 47m

$733

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Thu 5/29

10:15 am-11:45 pm

3 stops30h 30m

Barcelona-El Prat

Thu 6/5

7:25 am-7:03 pm

3 stops42h 38m

$909

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Thu 7/17

6:25 pm-1:15 pm

1 stop11h 50m

Barcelona-El Prat

Wed 7/23

12:10 pm-2:31 pm

2 stops33h 21m

$989

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 7/13

8:25 am-7:50 am

2 stops40h 25m

Barcelona-El Prat

Sun 7/20

12:10 pm-8:43 pm

2 stops39h 33m

$1,005

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 7/13

7:20 pm-10:30 am

1 stop32h 10m

Barcelona-El Prat

Sun 7/20

10:45 am-8:36 pm

1 stop16h 51m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 49 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 $1,064). 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 30, 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 30, 2025.
Read through reviews of airlines operating flights from Missouri to Barcelona, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $418 on Aer Lingus. Other airlines that offer cheap prices include American Airlines from $448 and WestJet from $455 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 $1,064). 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

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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 8 airlines flying from Missouri to Barcelona-El Prat

Discover the top 8 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$527Average$958FlexibilityNo cancel feeOn-time76%
KLMCheapest$540Average$751FlexibilityNo cancel feeOn-time75%
DeltaCheapest$557Average$1,073FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$570Average$998FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$603Average$1,043FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$617Average$1,087FlexibilityNo cancel feeOn-time71%
IberiaCheapest$689Average$1,246FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$705Average$1,133FlexibilityNo cancel feeOn-time67%

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