Barcelona

$242+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Mar 6 — Mar 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Barcelona 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

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 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/3. 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 4/146:40 pm
MCI
-
BCN
2 stops30h 20m
United Airlines
Tue 4/2112:15 pm
BCN
-
MCI
2 stops35h 33m
United Airlines
Deal found 2/3$470
This oojo deal was found by Cheapflights users on 2/3. 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.
Sun 3/85:51 am
MCI
-
BCN
2 stops23h 34m
British Airways
Tue 3/1711:30 am
BCN
-
MCI
1 stop16h 58m
British Airways
Deal found 2/3$475
This oojo deal was found by Cheapflights users on 2/4. 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 4/1412:25 pm
STL
-
BCN
2 stops18h 50m
British Airways
Tue 4/286:35 pm
BCN
-
STL
1 stop31h 55m
British Airways
Deal found 2/4$481
This Iberia deal was found by Cheapflights users on 2/2. 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 3/211:02 am
MCI
-
BCN
1 stop14h 48m
Iberia
Tue 3/179:35 am
BCN
-
MCI
1 stop19h 14m
Iberia
Deal found 2/2$483
This oojo deal was found by Cheapflights users on 2/3. 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.
Mon 4/132:33 pm
STL
-
BCN
2 stops18h 52m
British Airways
Mon 4/279:20 pm
BCN
-
STL
2 stops26h 21m
British Airways
Deal found 2/3$485
This oojo deal was found by Cheapflights users on 2/4. 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.
Mon 4/133:28 pm
MCI
-
BCN
2 stops17h 57m
British Airways
Mon 4/208:35 pm
BCN
-
MCI
2 stops26h 42m
British Airways
Deal found 2/4$485
This oojo deal was found by Cheapflights users on 2/3. 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 4/146:12 pm
MCI
-
BCN
1 stop33h 23m
British Airways
Tue 4/2110:30 am
BCN
-
MCI
1 stop19h 22m
British Airways
Deal found 2/3$489
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/28:00 am
MCI
-
BCN
2 stops18h 00m
United Airlines
Mon 3/910:30 am
BCN
-
MCI
2 stops17h 29m
United Airlines
Deal found 2/1$492
This oojo deal was found by Cheapflights users on 2/4. 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.
Wed 4/157:29 am
SGF
-
BCN
1 stop20h 06m
British Airways
Mon 4/208:35 pm
BCN
-
SGF
2 stops27h 52m
British Airways
Deal found 2/4$494
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/171:15 pm
MCI
-
BCN
2 stops22h 20m
United Airlines
Wed 3/259:55 am
BCN
-
MCI
2 stops32h 24m
United Airlines
Deal found 2/2$500
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/188:00 am
MCI
-
BCN
2 stops24h 15m
United Airlines
Wed 3/251:50 pm
BCN
-
MCI
2 stops28h 29m
United Airlines
Deal found 2/2$501
This United Airlines deal was found by Cheapflights users on 2/4. 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 4/136:15 am
MCI
-
BCN
1 stop24h 00m
United Airlines
Mon 4/201:25 pm
BCN
-
MCI
2 stops35h 13m
United Airlines
Deal found 2/4$503

Find 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 4, 2026.

Round-trip from

$467
(United Airlines)

One-way from

$242
(oojo)

Popular in

June

Cheapest in

January

Average price

$640
From Missouri to Barcelona
One-way flight from Missouri to Barcelona
Highest demand for flights based on searches. 26% potential increase in price ($304 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 4, 2026.
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

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Sun 3/8

5:51 am-11:25 am

2 stops23h 34m

Barcelona-El Prat

Tue 3/17

11:30 am-10:28 pm

1 stop16h 58m

$475

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 4/13

3:28 pm-4:25 pm

2 stops17h 57m

Barcelona-El Prat

Mon 4/20

8:35 pm-4:17 pm

2 stops26h 42m

$485

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 3/2

9:10 am-9:00 am

2 stops16h 50m

Barcelona-El Prat

Mon 3/9

10:30 am-8:41 pm

1 stop16h 11m

$492

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Wed 4/15

10:21 am-10:35 am

1 stop17h 14m

Barcelona-El Prat

Mon 4/20

7:20 pm-5:37 pm

2 stops29h 17m

$495

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 3/18

8:00 am-2:15 pm

2 stops24h 15m

Barcelona-El Prat

Wed 3/25

1:50 pm-12:19 pm

2 stops28h 29m

$501

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Mon 4/13

6:15 am-1:15 pm

1 stop24h 00m

Barcelona-El Prat

Mon 4/20

1:25 pm-5:38 pm

2 stops35h 13m

$503

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/17

6:59 pm-5:05 pm

2 stops16h 06m

Barcelona-El Prat

Tue 3/24

12:15 pm-9:05 am

2 stops26h 50m

$504

SpringfieldBarcelona

SGF - BCN

SGFBCN

Springfield-Branson

Wed 4/15

6:30 pm-10:25 pm

2 stops20h 55m

Barcelona-El Prat

Mon 4/20

1:25 pm-5:24 pm

2 stops34h 59m

$512

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Thu 4/9

12:40 pm-8:20 am

1 stop12h 40m

Barcelona-El Prat

Fri 4/17

12:15 pm-7:45 pm

2 stops38h 30m

$517

Kansas CityBarcelona

MCI - BCN

MCIBCN

Kansas City

Wed 4/22

6:00 am-10:40 pm

2 stops33h 40m

Barcelona-El Prat

Mon 4/27

9:20 pm-9:56 pm

2 stops31h 36m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 38 results
1
2
3
4

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, February is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $433). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,053). 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.

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

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.
  • How long is the flight from Missouri to Barcelona?

    For as low as $504, British Airways can have you in Barcelona from Missouri in 16h 06m. The distance between Missouri and Barcelona is about 4638 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $299. However, be on the lookout for offers from Air Canada and American Airlines, 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?

  • 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, February is the cheapest month in which you can book a flight from Missouri to Barcelona (average of $433). Flying from Missouri to Barcelona in June is currently the most expensive (average of $1,053). 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

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Missouri to Barcelona

Discover the top 10 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$433Average$771FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$449Average$881FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$485Average$1,105FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$490Average$863FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$510Average$1,114FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$923FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$533Average$752FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$582Average$707FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$593Average$1,185FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$1,185FlexibilityNo cancel feeOn-time77%

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.