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$286+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Missouri to Barcelona

Keep the following information in mind while searching for Missouri to Barcelona flight deals. Data was last updated June 12, 2025.

Round-trip from

$580
(Gotogate)

One-way from

$286
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$1,499
From Missouri to Barcelona
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One-way flight from Missouri to Barcelona
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Highest demand for flights based on searches. 31% potential increase in price ($437 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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.
Wed 9/241:30 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 10/112:10 pmBCN - STL
1 stop14h 47mAir Canada
Deal found 6/11$544
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/231:30 pmSTL - BCN
1 stop11h 20mUnited Airlines
Tue 10/712:10 pmBCN - STL
2 stops29h 39mUnited Airlines
Deal found 6/12$555
This Air Canada deal was found by Cheapflights users on 6/9. 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.
Sun 9/217:30 amMCI - BCN
2 stops17h 20mAir Canada
Tue 10/712:10 pmBCN - MCI
2 stops36h 16mAir Canada
Deal found 6/9$559
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/217:30 amMCI - BCN
2 stops17h 20mUnited Airlines
Wed 10/83:15 pmBCN - MCI
1 stop13h 30mUnited Airlines
Deal found 6/9$582
This Iberia deal was found by Cheapflights users on 6/9. 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.
Sun 9/217:30 pmMCI - BCN
2 stops17h 50mIberia
Thu 10/912:20 pmBCN - MCI
1 stop17h 04mIberia
Deal found 6/9$586
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 10/19:56 amSTL - BCN
1 stop17h 34mIberia
Fri 10/1010:45 amBCN - STL
1 stop16h 38mIberia
Deal found 6/10$601
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 9/67:55 amMCI - BCN
2 stops27h 15mScandinavian Airlines
Mon 9/157:00 pmBCN - MCI
2 stops35h 57mScandinavian Airlines
Deal found 6/10$602
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:55 amSTL - BCN
1 stop21h 35mBritish Airways
Fri 10/1010:45 amBCN - STL
1 stop16h 38mBritish Airways
Deal found 6/10$607
This Billigflug deal was found by Cheapflights users on 6/11. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:00 amMCI - BCN
2 stops17h 20mMultiple Airlines
Tue 8/1911:15 amBCN - MCI
1 stop15h 30mMultiple Airlines
Deal found 6/11$611
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/16:00 amSGF - BCN
2 stops18h 50mUnited Airlines
Thu 9/1812:10 pmBCN - SGF
2 stops41h 05mUnited Airlines
Deal found 6/10$614
This United deal was found by Cheapflights users on 6/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:15 amSTL - BCN
1 stop17h 05mMultiple Airlines
Wed 8/2012:10 pmBCN - STL
1 stop14h 50mMultiple Airlines
Deal found 6/12$625
This Lufthansa deal was found by Cheapflights users on 6/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:29 pmMCI - BCN
2 stops20h 11mLufthansa
Mon 10/64:25 pmBCN - MCI
2 stops36h 20mLufthansa
Deal found 6/9$632

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 June 12, 2025.
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

Wed 9/24

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Wed 10/1

12:10 pm-7:57 pm

1 stop14h 47m

$544

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/23

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Tue 10/7

12:10 pm-10:49 am

2 stops29h 39m

$555

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/1

9:56 am-10:30 am

1 stop17h 34m

Barcelona-El Prat

Fri 10/10

10:45 am-8:23 pm

1 stop16h 38m

$601

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sat 9/6

7:55 am-6:10 pm

2 stops27h 15m

Barcelona-El Prat

Mon 9/15

7:00 pm-11:57 pm

2 stops35h 57m

$602

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/1

5:55 am-10:30 am

1 stop21h 35m

Barcelona-El Prat

Fri 10/10

10:45 am-8:23 pm

1 stop16h 38m

$607

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 8/3

8:00 am-8:20 am

2 stops17h 20m

Barcelona-El Prat

Tue 8/19

11:15 am-7:45 pm

1 stop15h 30m

$611

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Mon 9/1

6:00 am-7:50 am

2 stops18h 50m

Barcelona-El Prat

Thu 9/18

12:10 pm-10:15 pm

2 stops41h 05m

$614

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 9/8

6:00 am-7:50 am

2 stops18h 50m

Barcelona-El Prat

Tue 9/16

12:10 pm-5:20 pm

2 stops36h 10m

$614

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/4

8:15 am-8:20 am

1 stop17h 05m

Barcelona-El Prat

Wed 8/20

12:10 pm-8:00 pm

1 stop14h 50m

$625

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 8/3

2:46 pm-10:10 am

1 stop12h 24m

Barcelona-El Prat

Tue 8/19

12:20 pm-10:48 pm

1 stop17h 28m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 48 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, January is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $523). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,062). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Missouri to Barcelona, 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 by month

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

In terms of precipitation, rainfall in Barcelona 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 when rainfall is around 0.8 in.

Temperature in Barcelona by month

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

If weather is an important factor for your trip to Barcelona, 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

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated June 12, 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
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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
652 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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. 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 one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $463. However, be on the lookout for offers from Finnair and Lufthansa, 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 Kansas City - Barcelona-El Prat, Lambert-St Louis - 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, January is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $523). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,062). 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

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Alternative routes for Missouri to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Barcelona-El Prat flights
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Top 8 airlines flying from Missouri to Barcelona

Discover the top 8 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$468Average$774FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$530Average$1,022FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$548Average$904FlexibilityNo cancel feeOn-time70%
DeltaCheapest$557Average$1,066FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$577Average$1,031FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$630Average$1,128FlexibilityNo cancel feeOn-time71%
IberiaCheapest$631Average$1,258FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$673Average$1,235FlexibilityNo cancel feeOn-time67%

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