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$460+ Cheap flights from St. Louis (STL) 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Lambert-St Louis to Barcelona are usually found in January or February, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from St. Louis to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Barcelona (S37). 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 November 20, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$677
(United Airlines)

One-way from

$657
(Delta)
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Lambert-St Louis to Barcelona
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One-way flight from Lambert-St Louis to Barcelona
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Find flight deals from St. Louis to Barcelona

Cheapest flights from St. Louis to Barcelona
Explore the most affordable flight options available from St. Louis to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1011:20 amSTL - BCN
2 stops15h 30mAir Canada
Tue 12/1712:15 pmBCN - STL
2 stops36h 20mAir Canada
Deal found 11/19$777
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:10 pmSTL - BCN
1 stop11h 50mAmerican Airlines
Tue 12/171:30 pmBCN - STL
2 stops15h 35mAmerican Airlines
Deal found 11/19$804
This CheapOair deal was found by Cheapflights users on 11/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:45 pmSTL - BCN
1 stop13h 30mMultiple Airlines
Wed 12/1812:15 pmBCN - STL
2 stops33h 51mMultiple Airlines
Deal found 11/19$828
This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:10 pmSTL - BCN
1 stop11h 50mIberia
Tue 12/171:30 pmBCN - STL
1 stop15h 23mIberia
Deal found 11/19$903
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2810:01 amSTL - BCN
2 stops27h 24mAer Lingus
Tue 1/2111:30 amBCN - STL
2 stops17h 39mAer Lingus
Deal found 11/19$998
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/113:45 pmSTL - BCN
1 stop13h 30mLufthansa
Wed 12/186:50 amBCN - STL
1 stop14h 05mLufthansa
Deal found 11/19$1,027
This British Airways deal was found by Cheapflights users on 11/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:59 amSTL - BCN
2 stops16h 21mBritish Airways
Thu 12/261:30 pmBCN - STL
1 stop14h 29mBritish Airways
Deal found 11/19$1,417
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/206:00 amSTL - BCN
2 stops19h 00mDelta
Tue 12/310:15 amBCN - STL
2 stops29h 54mDelta
Deal found 11/19$1,445
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/231:44 pmSTL - BCN
2 stops37h 06mUnited Airlines
Fri 1/39:50 amBCN - STL
2 stops36h 16mUnited Airlines
Deal found 11/19$1,726
This SmartFares deal was found by Cheapflights users on 11/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/289:15 amSTL - BCN
2 stops16h 15mFinnair
Fri 1/38:00 amBCN - STL
2 stops42h 30mFinnair
Deal found 11/19$1,961
This KLM deal was found by Cheapflights users on 11/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/207:15 amSTL - BCN
1 stop18h 25mKLM
Sat 11/2310:55 amBCN - STL
1 stop16h 37mKLM
Deal found 11/19$2,052

Find flights from St. Louis to Barcelona within your budget

Customize your flight search to find flights from St. Louis 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 3/12

8:25 am-8:20 am

1 stop17h 55m

Barcelona-El Prat

Tue 3/25

11:15 am-12:12 pm

2 stops30h 57m

$677

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 3/8

3:50 pm-8:50 am

2 stops34h 00m

Barcelona-El Prat

Thu 3/20

11:15 am-3:06 pm

2 stops33h 51m

$696

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 2/18

5:36 pm-9:50 am

2 stops33h 14m

Barcelona-El Prat

Sun 3/9

6:50 am-1:55 pm

1 stop14h 05m

$721

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 1/31

9:25 am-9:00 am

2 stops16h 35m

Barcelona-El Prat

Fri 2/7

7:00 am-8:41 pm

2 stops20h 41m

$725

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 1/31

2:00 pm-9:00 am

1 stop12h 00m

Barcelona-El Prat

Fri 2/7

11:00 am-10:28 pm

1 stop18h 28m

$749

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 2/18

12:00 pm-9:00 am

1 stop14h 00m

Barcelona-El Prat

Sun 3/9

6:50 am-1:55 pm

1 stop14h 05m

$750

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/16

4:00 pm-6:10 pm

2 stops19h 10m

Barcelona-El Prat

Thu 4/24

7:00 pm-11:38 pm

2 stops35h 38m

$829

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/16

1:00 pm-9:20 am

1 stop13h 20m

Barcelona-El Prat

Fri 4/25

11:35 am-11:38 pm

1 stop19h 03m

$1,019

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 4/16

10:10 am-9:20 am

1 stop16h 10m

Barcelona-El Prat

Thu 4/24

9:00 am-8:33 pm

2 stops18h 33m

$1,024

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 4/12

6:25 pm-10:30 am

1 stop33h 05m

Barcelona-El Prat

Mon 4/21

8:00 pm-6:04 pm

2 stops29h 04m

$1,075

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 21 results
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Best time to book a flight from St. Louis to Barcelona

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

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

How far ahead should I book a flight from St. Louis to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Barcelona. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from St. Louis to Barcelona, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Barcelona?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona (average of $521). Flying from St. Louis to Barcelona in June is currently the most expensive (average of $1,020). 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 STL to BCN?

Find hourly flight availability from St. Louis 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 November 20, 2024.

It’s optimal to fly from St. Louis to Barcelona in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

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 November 20, 2024.
Peruse reviews from past customers who have flown with Iberia, American Airlines and United Airlines from St. Louis to Barcelona to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Cathay Pacific
7.6
Good
878 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,915 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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 St. Louis to Barcelona. 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 from for flights from St. Louis to Barcelona?

    If you book a flight to Barcelona from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Barcelona per day from 9 different airlines.

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

    United Airlines, at $677, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include Air Canada and Iberia. You may be able to fly from St. Louis to Barcelona for 31% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from St. Louis to Barcelona are Delta ($657), Iberia ($734), and Austrian Airlines ($1,984).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona (average of $521). Flying from St. Louis to Barcelona in June is currently the most expensive (average of $1,020). 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 St. Louis to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
Springfield to Barcelona-El Prat flights
Joplin to Barcelona-El Prat flights

Top 9 airlines flying from St. Louis to Barcelona

Discover the top 9 airlines that operate flights from St. Louis 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$490Average$861FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$530Average$827FlexibilityNo cancel feeOn-time76%
DeltaCheapest$541Average$888FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$588Average$945FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$624Average$1,032FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$669Average$824FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$687Average$1,037FlexibilityNo cancel feeOn-time69%
IberiaCheapest$697Average$974FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$717Average$1,067FlexibilityNo cancel feeOn-time67%
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