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$408+ Cheap flights from Barcelona-El Prat (BCN) to St. Louis (STL)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — STL
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$743
(United Airlines)

One-way from

$408
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$1,148
Provider with most accurate pricing for Barcelona-El Prat-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-Lambert-St Louis flights.
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From Barcelona-El Prat to Lambert-St Louis
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One-way flight from Barcelona-El Prat to Lambert-St Louis
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Highest demand for flights based on searches. 4% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Barcelona-El Prat to St. Louis

Cheapest flights from Barcelona-El Prat to St. Louis
Explore the most affordable flight options available from Barcelona-El Prat to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This United Airlines deal was found by Cheapflights users on 1/30. 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 11/1212:15 pmBCN - STL
3 stops34h 06mUnited Airlines
Mon 11/1712:24 pmSTL - BCN
1 stop13h 36mUnited Airlines
Deal found 1/30$731
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Tue 4/812:15 pmBCN - STL
1 stop17h 13mIberia
Sat 4/269:55 amSTL - BCN
1 stop17h 35mIberia
Deal found 1/30$748
This Mytrip deal was found by Cheapflights users on 1/30. 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 4/810:35 pmBCN - STL
2 stops21h 55mMultiple Airlines
Sat 4/268:00 amSTL - BCN
3 stops33h 10mMultiple Airlines
Deal found 1/30$1,432

Find flights from Barcelona-El Prat to St. Louis within your budget

Customize your flight search to find flights from Barcelona-El Prat to St. Louis 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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 4/8

12:15 pm-3:47 pm

3 stops34h 32m

Lambert-St Louis

Sat 4/26

5:33 pm-1:15 pm

1 stop12h 42m

$743

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 4/8

12:15 pm-10:28 pm

1 stop17h 13m

Lambert-St Louis

Sat 4/26

9:55 am-10:30 am

1 stop17h 35m

$748

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 4/8

10:35 pm-1:30 pm

2 stops21h 55m

Lambert-St Louis

Sat 4/26

8:00 am-12:10 am

3 stops33h 10m

$1,432

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 5/10

2:05 pm-12:06 am

2 stops41h 01m

$408

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 2/25

11:30 am-10:02 pm

2 stops17h 32m

$584

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 5/10

10:45 am-9:54 pm

1 stop18h 09m

$687

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Tue 2/25

11:00 am-11:32 pm

1 stop19h 32m

$767

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sun 6/29

2:25 pm-10:38 am

2 stops27h 13m

$889

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Mon 4/14

12:15 pm-10:28 pm

1 stop17h 13m

$920

BarcelonaSt. Louis

BCN - STL

BCNSTL

Barcelona-El Prat

Sat 5/10

12:15 pm-3:47 pm

3 stops34h 32m

$1,423

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Compare providers for flights from Barcelona-El Prat to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to St. Louis in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Barcelona-El Prat to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Barcelona-El Prat 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 Barcelona-El Prat to St. Louis

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

What is the cheapest month to book a flight from Barcelona-El Prat Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to St. Louis (average of $311). Flying from Barcelona-El Prat Airport to St. Louis in March is currently the most expensive (average of $356). 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 BCN to STL?

Find hourly flight availability from Barcelona-El Prat to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

When flying from Barcelona-El Prat Airport to St. Louis, 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 St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated January 30, 2025.
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Finnair
7.6
Good
1,285 reviews
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

United Airlines
7.4
Good
8,913 reviews
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

WestJet
7.2
Good
2,817 reviews
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Aer Lingus
7.1
Good
1,077 reviews
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Iberia
7.0
Good
2,642 reviews
Finnair
7.6
Good
1,285 reviews

Food

6.7

Boarding

7.7

Overall

7.6

Crew

8.1

Comfort

7.5

Entertainment

6.9

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Barcelona-El Prat?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Barcelona-El Prat to St. Louis. 0 airlines have flights to Lambert-St Louis from Barcelona-El Prat on a regular basis. Booking flights from Barcelona-El Prat to Lambert-St Louis should not be difficult; the airport handles an average of 0 inbound flights from Barcelona-El Prat per day.

  • What are the cheapest airlines flying from Barcelona-El Prat Airport to St. Louis round-trip?

    United Airlines, at $743, was found to be the cheapest airline from Barcelona-El Prat Airport to St. Louis. An alternate airline flying to your destination would be Iberia. Users have found that United Airlines is 16% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to St. Louis one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $584. Finnair flights start at $687 while deals on Lufthansa start at $767 one-way.

  • Can I find deals for flights from Barcelona-El Prat to St. Louis that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to St. Louis.

  • Can I find deals for business class flights from Barcelona-El Prat to St. Louis?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to St. Louis 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 Barcelona-El Prat Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to St. Louis (average of $311). Flying from Barcelona-El Prat Airport to St. Louis in March is currently the most expensive (average of $356). 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 Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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