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$445+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$747
(Cheapflightsfares)

One-way from

$445
(Kiwi.com)
From Missouri to Barcelona
Search Deals
One-way flight from Missouri to Barcelona
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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 February 20, 2025.

This Expedia deal was found by Cheapflights users on 2/20. 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 12/29:20 amSTL - BCN
2 stops15h 40mIberia
Mon 12/89:05 pmBCN - STL
2 stops42h 38mIberia
Deal found 2/20$701
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/13:30 pmSTL - BCN
1 stop10h 50mUnited Airlines
Tue 4/812:10 pmBCN - STL
2 stops31h 10mUnited Airlines
Deal found 2/20$749
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/111:39 amSTL - BCN
1 stop15h 31mFinnair
Tue 4/810:45 amBCN - STL
1 stop18h 27mFinnair
Deal found 2/20$766
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:15 pmSTL - BCN
3 stops18h 50mMultiple Airlines
Tue 4/81:15 pmBCN - STL
3 stops34h 30mMultiple Airlines
Deal found 2/20$774
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/211:55 amSTL - BCN
2 stops14h 10mAmerican Airlines
Wed 4/92:00 pmBCN - STL
2 stops15h 25mAmerican Airlines
Deal found 2/20$775
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Sun 3/301:25 pmMCI - BCN
2 stops21h 45mScandinavian Airlines
Fri 4/257:00 pmBCN - MCI
2 stops33h 28mScandinavian Airlines
Deal found 2/20$779
This oojo deal was found by Cheapflights users on 2/20. 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.
Tue 3/256:29 pmSTL - BCN
2 stops22h 01mBritish Airways
Mon 3/319:10 pmBCN - STL
2 stops27h 49mBritish Airways
Deal found 2/20$794
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/208:00 amMCI - BCN
2 stops24h 30mUnited Airlines
Thu 3/2711:15 amBCN - MCI
2 stops42h 29mUnited Airlines
Deal found 2/19$822
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 11/224:48 pmSGF - BCN
2 stops34h 02mUnited Airlines
Sat 12/612:15 pmBCN - SGF
2 stops40h 13mUnited Airlines
Deal found 2/20$838
This Orbitz deal was found by Cheapflights users on 2/20. 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.
Sat 11/224:15 pmSGF - BCN
2 stops36h 15mBritish Airways
Sat 12/68:35 pmBCN - SGF
2 stops30h 39mBritish Airways
Deal found 2/20$862
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:24 pmMCI - BCN
3 stops34h 56mMultiple Airlines
Thu 3/277:00 amBCN - MCI
2 stops37h 11mMultiple Airlines
Deal found 2/20$898
This Delta deal was found by Cheapflights users on 2/20. 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 3/1210:37 amMCI - BCN
2 stops17h 48mDelta
Wed 3/199:45 amBCN - MCI
1 stop17h 59mDelta
Deal found 2/20$902

Find flights from Missouri to Barcelona within your budget

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 February 20, 2025.

Fly from

Missouri

Fly to

Barcelona

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/2

11:39 am-10:10 am

1 stop15h 31m

Barcelona-El Prat

Wed 4/9

2:00 pm-8:58 pm

1 stop13h 58m

$747

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/1

3:30 pm-9:20 am

1 stop10h 50m

Barcelona-El Prat

Tue 4/8

12:10 pm-12:20 pm

2 stops31h 10m

$749

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/1

11:39 am-10:10 am

1 stop15h 31m

Barcelona-El Prat

Tue 4/8

10:45 am-10:12 pm

1 stop18h 27m

$766

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 4/1

12:15 pm-2:05 pm

3 stops18h 50m

Barcelona-El Prat

Tue 4/8

1:15 pm-4:45 pm

3 stops34h 30m

$774

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/2

11:55 am-9:05 am

2 stops14h 10m

Barcelona-El Prat

Wed 4/9

2:00 pm-10:25 pm

2 stops15h 25m

$775

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 3/30

1:25 pm-6:10 pm

2 stops21h 45m

Barcelona-El Prat

Fri 4/25

7:00 pm-9:28 pm

2 stops33h 28m

$779

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/25

6:29 pm-10:30 pm

2 stops22h 01m

Barcelona-El Prat

Mon 3/31

9:10 pm-5:59 pm

2 stops27h 49m

$794

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Thu 3/20

8:00 am-2:30 pm

2 stops24h 30m

Barcelona-El Prat

Thu 3/27

11:15 am-11:44 pm

2 stops42h 29m

$822

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 3/3

7:24 pm-1:20 pm

3 stops34h 56m

Barcelona-El Prat

Thu 3/27

7:00 am-2:11 pm

2 stops37h 11m

$898

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 3/12

10:37 am-10:25 am

2 stops17h 48m

Barcelona-El Prat

Wed 3/19

9:45 am-9:44 pm

1 stop17h 59m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 46 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.

Travel insights for flights from Missouri to Barcelona

Get recent, data-driven insights about flights from Missouri to Barcelona including ideal travel times, pricing trends, and more.

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 $1,096). 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 February 20, 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 February 20, 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
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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. 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 United Airlines, with whom users have recently found tickets for as low as $582. However, be on the lookout for offers from American Airlines and British Airways, 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 Lambert-St Louis - Barcelona-El Prat, Kansas City - 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 $1,096). 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.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$490Average$766FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$530Average$931FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$546Average$963FlexibilityNo cancel feeOn-time70%
IberiaCheapest$550Average$1,125FlexibilityNo cancel feeOn-time77%
DeltaCheapest$557Average$952FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$590Average$1,058FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$615Average$1,128FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$712Average$1,038FlexibilityNo cancel feeOn-time67%
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