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Cheap flights from St. Louis (STL) to Barcelona from $463

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 7/10. 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
May 12 — May 191
From?
To?
Sun 5/12
Sun 5/19
1 adult, Economy
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The best prices from Lambert-St Louis to Barcelona 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

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 May 7, 2024.

Popular in

June

Cheapest in

January

Average price

$1,163

Round-trip from

$511
High demand for flights, 36% potential price rise
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Best time to find cheap flights, 32% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Barcelona
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What is the cheapest day to fly round-trip from St. Louis to Barcelona?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 35% 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?

Our data shows that January tends to be the cheapest month to fly to Barcelona from St. Louis. Users have commonly found prices around $1,028 for the month, but tickets can be as low as $456. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from St. Louis to Barcelona (STL - BCN)?

It’s optimal to fly from St. Louis to Barcelona in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

Cheap British Airways flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by British Airways for the route between St. Louis and Barcelona. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Take a peek at the cheapest British Airways flights we've detected traveling from St. Louis to Barcelona. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 8/204:22 pmSTL - BCN
2 stops14h 43mBritish Airways
Fri 8/3011:05 amBCN - STL
1 stop13h 42mBritish Airways
Deal found 5/7$787
Fri 10/46:21 pmSTL - BCN
2 stops15h 29mBritish Airways
Wed 10/1611:05 amBCN - STL
1 stop16h 02mBritish Airways
Deal found 5/7$848
Sat 10/56:21 pmSTL - BCN
1 stop33h 09mBritish Airways
Sat 10/128:40 pmBCN - STL
2 stops26h 29mBritish Airways
Deal found 5/7$899
Mon 7/226:09 pmSTL - BCN
2 stops16h 31mBritish Airways
Mon 8/56:05 pmBCN - STL
2 stops31h 56mBritish Airways
Deal found 5/6$1,005
Mon 7/221:07 pmSTL - BCN
1 stop12h 53mBritish Airways
Mon 8/56:05 pmBCN - STL
2 stops31h 56mBritish Airways
Deal found 5/6$1,007
Mon 7/296:09 pmSTL - BCN
2 stops15h 11mBritish Airways
Tue 8/63:05 pmBCN - STL
2 stops36h 54mBritish Airways
Deal found 5/7$1,020
Tue 6/1112:56 pmSTL - BCN
1 stop13h 04mBritish Airways
Mon 6/249:05 pmBCN - STL
2 stops27h 13mBritish Airways
Deal found 5/7$1,170
Mon 6/242:56 pmSTL - BCN
1 stop12h 34mBritish Airways
Mon 7/19:05 pmBCN - STL
2 stops27h 13mBritish Airways
Deal found 5/7$1,184
Fri 5/172:43 pmSTL - BCN
2 stops18h 07mBritish Airways
Fri 5/319:20 pmBCN - STL
2 stops29h 08mBritish Airways
Deal found 5/6$9,054

Cheap Delta flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Barcelona. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Some of the best deals we've found on Delta flights traveling from St. Louis to Barcelona. Ensure the flight price, dates, time, and airline match your criteria before you book.
Mon 7/227:15 amSTL - BCN
2 stops15h 50mDelta
Tue 8/131:45 pmBCN - STL
2 stops26h 07mDelta
Deal found 5/7$1,003
Wed 7/246:00 amSTL - BCN
2 stops17h 05mDelta
Thu 8/156:10 amBCN - STL
2 stops18h 54mDelta
Deal found 5/7$1,027
Sun 7/2110:55 amSTL - BCN
2 stops15h 05mDelta
Thu 8/1512:40 pmBCN - STL
2 stops17h 59mDelta
Deal found 5/7$1,032
Thu 7/252:10 pmSTL - BCN
2 stops14h 30mDelta
Thu 8/1512:40 pmBCN - STL
2 stops17h 59mDelta
Deal found 5/7$1,082

Cheap St. Louis to Barcelona flights in May & June 2024

Find cheap flight options from St. Louis to Barcelona specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 7, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Barcelona in May and June 2024. More deals are always being added, so be sure to check back regularly.
Thu 6/68:12 pmSTL - BCN
2 stops43h 58mMultiple Airlines
Thu 6/138:45 pmBCN - STL
3 stops51h 43mMultiple Airlines
Deal found 5/7$1,011
Tue 6/42:35 pmSTL - BCN
2 stops22h 55mMultiple Airlines
Tue 6/118:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/7$1,019
Tue 6/47:23 pmSTL - BCN
3 stops58h 37mMultiple Airlines
Tue 6/118:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/7$1,047
Thu 6/68:12 pmSTL - BCN
2 stops43h 58mMultiple Airlines
Wed 6/125:45 amBCN - STL
3 stops42h 43mMultiple Airlines
Deal found 5/6$1,058
Tue 5/217:44 pmSTL - BCN
3 stops46h 01mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/7$1,095
Thu 6/66:22 pmSTL - BCN
3 stops39h 38mMultiple Airlines
Thu 6/138:45 pmBCN - STL
3 stops51h 43mMultiple Airlines
Deal found 5/7$1,098
Thu 6/68:12 pmSTL - BCN
3 stops42h 43mMultiple Airlines
Wed 6/125:45 amBCN - STL
3 stops42h 43mMultiple Airlines
Deal found 5/6$1,100
Tue 5/287:23 pmSTL - BCN
3 stops47h 07mMultiple Airlines
Mon 6/33:30 pmBCN - STL
3 stops52h 35mMultiple Airlines
Deal found 5/7$1,105
Tue 6/411:00 amSTL - BCN
1 stop15h 40mUnited Airlines
Tue 6/1112:25 pmBCN - STL
2 stops35h 47mUnited Airlines
Deal found 5/7$1,126

St. Louis to Barcelona 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Barcelona in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Barcelona in May and June 2024. More deals are always being added, so be sure to check back regularly.
Sat 10/511:39 amSTL - BCN
2 stops41h 46mMultiple Airlines
Mon 10/149:45 pmBCN - STL
3 stops43h 33mMultiple Airlines
Deal found 5/7$747
Sat 10/511:39 amSTL - BCN
2 stops41h 46mMultiple Airlines
Mon 10/1410:50 amBCN - STL
2 stops54h 28mMultiple Airlines
Deal found 5/7$753
Sun 9/2212:15 pmSTL - BCN
1 stop13h 45mUnited Airlines
Fri 10/412:15 pmBCN - STL
2 stops28h 52mUnited Airlines
Deal found 5/6$783
Tue 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/7$785
Tue 8/204:22 pmSTL - BCN
2 stops14h 43mBritish Airways
Fri 8/3011:05 amBCN - STL
1 stop13h 42mBritish Airways
Deal found 5/7$787
Sat 10/55:34 pmSTL - BCN
2 stops31h 46mUnited Airlines
Tue 10/1512:20 pmBCN - STL
1 stop34h 00mUnited Airlines
Deal found 5/7$791
Tue 8/2012:48 pmSTL - BCN
2 stops14h 42mAmerican Airlines
Fri 8/3011:05 amBCN - STL
2 stops17h 11mAmerican Airlines
Deal found 5/7$792
Sun 10/68:25 amSTL - BCN
1 stop16h 55mUnited Airlines
Tue 10/1512:20 pmBCN - STL
1 stop34h 00mUnited Airlines
Deal found 5/7$795
Sun 9/227:30 amSTL - BCN
1 stop20h 00mAmerican Airlines
Fri 10/41:40 pmBCN - STL
1 stop16h 20mAmerican Airlines
Deal found 5/6$800

St. Louis to Barcelona flights leaving soon

Find last-minute flight options from St. Louis to Barcelona for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Users seeking a last-minute flight from St. Louis to Barcelona should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Fri 5/172:43 pmSTL - BCN
2 stops18h 07mBritish Airways
Fri 5/319:20 pmBCN - STL
2 stops29h 08mBritish Airways
Deal found 5/6$9,054

One-way flights to Barcelona from St. Louis

Search for one-way flight options from St. Louis to Barcelona. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Barcelona, be sure to check out these deals, which are updated often. Those seeking round-trip flights from St. Louis to Barcelona should utilize the search form at the the top of the page.
Wed 7/109:20 pmSTL - BCN
2 stops35h 50mMultiple Airlines
Deal found 5/6$463
Wed 7/109:20 pmSTL - BCN
2 stops37h 25mMultiple Airlines
Deal found 5/7$464
Wed 7/103:07 pmSTL - BCN
3 stops50h 13mMultiple Airlines
Deal found 5/7$569
Tue 5/217:44 pmSTL - BCN
2 stops37h 21mMultiple Airlines
Deal found 5/7$573
Tue 5/217:44 pmSTL - BCN
3 stops46h 01mMultiple Airlines
Deal found 5/6$577
Tue 5/217:44 pmSTL - BCN
2 stops37h 21mMultiple Airlines
Deal found 5/6$612
Wed 7/109:20 pmSTL - BCN
3 stops51h 35mMultiple Airlines
Deal found 5/6$619
Thu 10/3110:00 amSTL - BCN
2 stops15h 00mKLM
Deal found 5/6$655
Wed 6/510:36 pmSTL - BCN
3 stops34h 34mMultiple Airlines
Deal found 5/7$657

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 2,749,864 searches. Data last updated May 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$737 - $1,003

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

2 stops16h 54m

Barcelona-El Prat

Sat 11/9

1 stop21h 30m

$737

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 10/21

1 stop14h 40m

Barcelona-El Prat

Fri 11/1

2 stops34h 03m

$741

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 10/21

1 stop16h 47m

Barcelona-El Prat

Fri 11/1

1 stop14h 05m

$751

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 10/21

2 stops14h 11m

Barcelona-El Prat

Thu 10/31

1 stop26h 20m

$771

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 8/20

2 stops14h 43m

Barcelona-El Prat

Fri 8/30

1 stop13h 42m

$787

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 11/1

1 stop18h 50m

Barcelona-El Prat

Sat 11/9

1 stop26h 20m

$825

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 8/16

1 stop14h 19m

Barcelona-El Prat

Sat 8/24

2 stops19h 22m

$893

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 7/23

1 stop16h 14m

Barcelona-El Prat

Thu 8/15

1 stop13h 42m

$956

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 7/22

2 stops15h 50m

Barcelona-El Prat

Tue 8/13

2 stops26h 07m

$1,003

Flights are sorted by cheapest first

Deals found on 5/5

When is the best time to 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 May 3, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Barcelona, you should look to book at least 3 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.
Search Deals

When is the cheapest time to fly from St. Louis to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Barcelona. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Barcelona 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.
Search Deals

Average price of flights to Barcelona by month

Plan your trip from St. Louis to Barcelona by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Barcelona is currently $577 while a round-trip flight costs $829. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona (average of $511). Flying from St. Louis to Barcelona in June is currently the most expensive (average of $1,100). 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.

January

$511

February

$564

March

$682

April

$657

May

$776

June

$1,100

July

$1,026

August

$792

September

$825

October

$697

November

$562

December

$584

Temperature and rainfall in Barcelona by month

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

BCN

Temperature

48.2 - 75.2 °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 May 7, 2024.
Peruse reviews from past customers who have flown with British Airways, Delta and American 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
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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
8.1
Very good
10,810 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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
1,598 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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.

Virgin Atlantic
7.7
Good
740 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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.

Air France
7.5
Good
1,779 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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
11,073 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Food

7.4

Entertainment

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

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. 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.

  • Can I find flights from St. Louis to Barcelona for under $800 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Barcelona for under $800. The cheapest flight booked recently is on American Airlines for just $737, but on average you can expect to pay $781.

  • Are there last-minute flights available from St. Louis to Barcelona for under $9,100?

    There are currently 1+ open flights from St. Louis to Barcelona within the next 7 days for less than $9,100.

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

    American Airlines, at $737, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include Air Canada and United Airlines. You may be able to fly from St. Louis to Barcelona for 28% 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 KLM ($655), Delta ($665), and United Airlines ($670).

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

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

  • What does STL to BCN mean?

    STL stands for Lambert-St Louis Airport, while BCN stands for Barcelona-El Prat Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Girona Costa Brava Airport (GRO), Reus Airport (REU), La Seu d'Urgell Aeroport De La Seu Airport (LEU), Lleida-Alguaire Airport (ILD) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your St. Louis to Barcelona 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 with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Barcelona 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 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.

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

    Many airlines flying from St. Louis to Barcelona 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?

    Yes, you can often find last-minute deals on St. Louis to Barcelona 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 flight deals updated?

    The St. Louis to Barcelona flight deals you see on this page were last updated on 5/7.

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.

Kansas City to Barcelona-El Prat flights
St. Louis 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 2,749,864 searches. Data last updated May 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$544Average$875FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$550Average$892FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$605Average$880FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$609Average$1,090FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$627Average$961FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$668Average$824FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest$688Average$1,306FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest$715Average$1,129FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest$732Average$1,150FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from St. Louis to Barcelona by cabin class

Find flights from St. Louis to Barcelona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Barcelona?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Barcelona. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Barcelona?

Cheapflights helps you find that perfect flight to Barcelona from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Barcelona with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Barcelona flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Barcelona become cheaper?

Of course! You can now track prices for flights from St. Louis to Barcelona and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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