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Cheap flights from St. Louis (STL) to Barcelona-El Prat (BCN) from $537

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BCN
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
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The best prices from Lambert-St Louis to Barcelona-El Prat are usually found in January or February, booked 3 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from St. Louis to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Barcelona-El Prat (BCN). 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 June 13, 2024.

Popular in

June

Cheapest in

January

Average price

$1,512

Round-trip from

$509
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 30% potential price drop
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Average for round-trip flights in June 2024
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From Lambert-St Louis to Barcelona-El Prat
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What is the cheapest day to fly round-trip from St. Louis to Barcelona-El Prat Airport?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 33% on your flight compared to booking on days when demand is much higher.

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

Our data shows that January tends to be the cheapest month to fly to Barcelona-El Prat Airport from St. Louis. Users have commonly found prices around $998 for the month, but tickets can be as low as $456. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from STL to BCN?

It’s optimal to fly from St. Louis to Barcelona-El Prat Airport in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

Cheap St. Louis to Barcelona-El Prat flights in June & July 2024

Find cheap flight options from St. Louis to Barcelona-El Prat specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
Scroll through some of the best deals on flights from St. Louis to Barcelona in 2024. Check back regularly for other flight deals.
Sat 7/67:33 pmSTL - BCN
2 stops45h 42mMultiple Airlines
Fri 7/127:00 amBCN - STL
2 stops32h 36mMultiple Airlines
Deal found 6/12$1,036
Sat 7/67:33 pmSTL - BCN
2 stops45h 42mMultiple Airlines
Fri 7/121:25 pmBCN - STL
3 stops35h 04mMultiple Airlines
Deal found 6/12$1,047
Sun 7/712:15 pmSTL - BCN
3 stops24h 05mMultiple Airlines
Fri 7/196:40 amBCN - STL
3 stops34h 54mMultiple Airlines
Deal found 6/12$1,063
Mon 7/2212:43 pmSTL - BCN
1 stop13h 27mDelta
Mon 8/56:20 amBCN - STL
2 stops24h 08mDelta
Deal found 6/12$1,065
Mon 7/227:15 amSTL - BCN
2 stops15h 50mDelta
Mon 8/511:10 amBCN - STL
2 stops19h 18mDelta
Deal found 6/12$1,070
Sun 7/711:30 amSTL - BCN
2 stops27h 10mMultiple Airlines
Fri 7/196:40 amBCN - STL
3 stops34h 54mMultiple Airlines
Deal found 6/12$1,077
Sat 7/611:34 amSTL - BCN
3 stops50h 36mMultiple Airlines
Fri 7/121:25 pmBCN - STL
3 stops35h 04mMultiple Airlines
Deal found 6/12$1,094
Mon 7/226:00 amSTL - BCN
1 stop20h 10mDelta
Mon 8/56:20 amBCN - STL
2 stops24h 08mDelta
Deal found 6/13$1,109
Sat 7/135:30 pmSTL - BCN
2 stops33h 10mAir Canada
Sun 7/2112:20 pmBCN - STL
2 stops15h 45mAir Canada
Deal found 6/12$1,112

St. Louis to Barcelona-El Prat 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Barcelona-El Prat in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Scroll through some of the best deals on flights from St. Louis to Barcelona in 2024. Check back regularly for other flight deals.
Mon 11/46:30 amSTL - BCN
2 stops20h 15mAir Canada
Wed 11/2012:15 pmBCN - STL
2 stops28h 38mAir Canada
Deal found 6/11$537
Mon 11/45:34 amSTL - BCN
1 stop18h 36mAmerican Airlines
Wed 11/2011:00 amBCN - STL
1 stop19h 11mAmerican Airlines
Deal found 6/11$581
Mon 11/44:54 pmSTL - BCN
2 stops33h 51mUnited Airlines
Wed 11/2012:15 pmBCN - STL
2 stops34h 39mUnited Airlines
Deal found 6/12$632
Mon 11/410:40 amSTL - BCN
2 stops16h 05mAir Canada
Fri 11/2912:15 pmBCN - STL
2 stops28h 38mAir Canada
Deal found 6/12$646
Mon 11/46:02 pmSTL - BCN
2 stops16h 58mBritish Airways
Wed 11/201:30 pmBCN - STL
1 stop13h 43mBritish Airways
Deal found 6/12$647
Mon 11/49:19 amSTL - BCN
1 stop16h 41mIberia
Wed 11/201:30 pmBCN - STL
1 stop13h 43mIberia
Deal found 6/12$649
Mon 11/412:58 pmSTL - BCN
2 stops18h 07mUnited Airlines
Fri 11/296:35 amBCN - STL
1 stop14h 20mUnited Airlines
Deal found 6/12$673
Wed 10/96:02 amSTL - BCN
1 stop19h 58mMultiple Airlines
Wed 10/1612:25 pmBCN - STL
1 stop14h 35mMultiple Airlines
Deal found 6/12$720
Wed 8/284:05 pmSTL - BCN
1 stop11h 20mAir Canada
Tue 9/1012:25 pmBCN - STL
2 stops33h 55mAir Canada
Deal found 6/12$721

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

Customize your flight search to find flights from St. Louis to Barcelona-El Prat 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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$537 - $900

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/4

2 stops20h 15m

Barcelona-El Prat

Wed 11/20

2 stops28h 38m

$537

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/4

1 stop18h 36m

Barcelona-El Prat

Wed 11/20

1 stop19h 11m

$581

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/4

2 stops33h 51m

Barcelona-El Prat

Wed 11/20

2 stops34h 39m

$632

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/4

2 stops16h 58m

Barcelona-El Prat

Wed 11/20

1 stop13h 43m

$647

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 11/4

1 stop16h 41m

Barcelona-El Prat

Wed 11/20

1 stop13h 43m

$649

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/9

1 stop19h 58m

Barcelona-El Prat

Wed 10/16

1 stop14h 35m

$720

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 8/28

2 stops17h 21m

Barcelona-El Prat

Tue 9/10

2 stops21h 44m

$760

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/19

2 stops15h 50m

Barcelona-El Prat

Sat 9/7

2 stops17h 15m

$894

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/19

2 stops15h 05m

Barcelona-El Prat

Thu 9/5

2 stops15h 59m

$900

Flights are sorted by cheapest first

Deals found on 6/11

How far ahead should I book a flight from St. Louis to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Barcelona-El Prat. Price data was last updated on June 12, 2024.
The best time to book flights from St. Louis to Barcelona-El Prat Airport is 3 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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What is the cheapest day to fly from St. Louis to Barcelona-El Prat Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Barcelona-El Prat. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Barcelona-El Prat Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from St. Louis to Barcelona-El Prat

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

Temperature and rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature and rainfall totals by month.

BCN

Temperature

48.2 - 75.2 °F

If weather is an important factor for your trip to Barcelona-El Prat Airport, 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-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated June 13, 2024.
Read through reviews of airlines operating flights from St. Louis to Barcelona, such as American Airlines, Air Canada and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,461 reviews
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
10,000 reviews
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Iberia
7.1
Good
2,703 reviews
Delta
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Barcelona-El Prat. 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-El Prat?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from Lambert-St Louis; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 9 airlines have flights from the St. Louis airport to Barcelona-El Prat. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find flights from St. Louis to Barcelona-El Prat Airport for under $600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Barcelona-El Prat Airport for under $600. The cheapest flight booked recently is on Air Canada for just $537, but on average you can expect to pay $702.

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

    Our cheapest airline available from St. Louis to Barcelona-El Prat Airport is Air Canada. Our recent data shows that you can find tickets from as low as $537 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $581 and $632 round-trip. Air Canada is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • What does STL to BCN mean?

    STL and BCN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to BCN refers to a flight route from Lambert-St Louis Airport to Barcelona-El Prat Airport.

  • Can I find deals for flights from St. Louis to Barcelona-El Prat that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Barcelona-El Prat flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Barcelona-El Prat with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Barcelona-El Prat flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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-El Prat.

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

    Yes. Cheapflights offers flight deals from St. Louis to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Barcelona-El Prat that allow pets onboard?

    Many airlines flying from St. Louis to Barcelona-El Prat offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Barcelona-El Prat?

    Yes, you can often find last-minute deals on St. Louis to Barcelona-El Prat flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Barcelona-El Prat Airport flight deals updated?

    The St. Louis to Barcelona-El Prat Airport flight deals you see on this page were last updated on 6/12.

  • What are the most popular airlines that fly from St. Louis to Barcelona-El Prat Airport?

    Before booking your flight from St. Louis to Barcelona-El Prat Airport check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona-El Prat Airport (average of $509). Flying from St. Louis to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,041). 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-El Prat
See prices for flight routes from nearby airports that may be better suited for you.

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Top 9 airlines flying from St. Louis to Barcelona-El Prat

Discover the top 9 airlines that operate flights from St. Louis to Barcelona-El Prat. 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$540Average$819FlexibilityNo cancel feeOn-time76%
KLMCheapest$550Average$892FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$591Average$1,045FlexibilityNo cancel feeOn-time71%
DeltaCheapest$617Average$886FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$631Average$985FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$669Average$844FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$689Average$1,213FlexibilityNo cancel feeOn-time69%
IberiaCheapest$700Average$1,061FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$734Average$1,059FlexibilityNo cancel feeOn-time67%
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Search flights from St. Louis to Barcelona-El Prat by cabin class

Find flights from St. Louis to Barcelona-El Prat, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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