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Cheap flights from St. Louis (STL) to Barcelona from $350

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 10/11. 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 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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The best prices from Lambert-St Louis to Barcelona are usually found in January or February, booked 55 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 4, 2024.

Popular in

June

Cheapest in

January

Average price

$1,457

Round-trip from

$511
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 40% potential price drop
Search Deals
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 39% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from St. Louis to Barcelona at least 56 days early can save you up to 168% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from St. Louis to Barcelona for as little as $737 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,081 for flights departing within the next 3 days.

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 $1,096 for the month, but tickets can be as low as $527. 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 19% on the cost of your flight, compared to a flight in the afternoon.

Cheap Air Canada flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by Air Canada 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 2,795,183 searches. Data last updated May 4, 2024.
Take a peek at the cheapest Air Canada 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 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/4$785
Tue 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:15 pmBCN - STL
2 stops15h 50mAir Canada
Deal found 5/4$791
Tue 8/2012:00 pmSTL - BCN
2 stops15h 25mAir Canada
Fri 8/3012:15 pmBCN - STL
2 stops15h 50mAir Canada
Deal found 5/4$797
Fri 8/1610:10 amSTL - BCN
2 stops16h 30mAir Canada
Thu 8/2212:25 pmBCN - STL
2 stops34h 24mAir Canada
Deal found 5/3$844
Fri 10/412:00 pmSTL - BCN
1 stop14h 40mAir Canada
Wed 10/1612:25 pmBCN - STL
1 stop14h 35mAir Canada
Deal found 5/3$881
Wed 8/2812:00 pmSTL - BCN
1 stop14h 40mAir Canada
Tue 9/1012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/4$962
Wed 8/2810:10 amSTL - BCN
2 stops16h 30mAir Canada
Tue 9/1012:25 pmBCN - STL
2 stops33h 55mAir Canada
Deal found 5/4$974
Wed 8/2812:00 pmSTL - BCN
1 stop14h 40mAir Canada
Tue 9/1012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/3$977
Wed 8/2810:10 amSTL - BCN
2 stops16h 30mAir Canada
Tue 9/1012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/3$983

Cheap United Airlines flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by United Airlines 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 2,795,183 searches. Data last updated May 4, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Barcelona. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 8/168:25 amSTL - BCN
1 stop16h 55mUnited Airlines
Thu 8/2212:20 pmBCN - STL
2 stops28h 47mUnited Airlines
Deal found 5/3$833
Fri 8/1612:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Thu 8/2212:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/3$835
Fri 8/161:45 pmSTL - BCN
2 stops16h 00mUnited Airlines
Thu 8/2212:20 pmBCN - STL
2 stops28h 47mUnited Airlines
Deal found 5/3$838
Mon 7/2212:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Mon 8/512:25 pmBCN - STL
2 stops17h 12mUnited Airlines
Deal found 5/3$1,009
Fri 5/316:08 amSTL - BCN
2 stops20h 32mUnited Airlines
Fri 6/712:25 pmBCN - STL
2 stops29h 32mUnited Airlines
Deal found 5/3$1,182
Mon 6/103:10 pmSTL - BCN
1 stop14h 35mUnited Airlines
Sun 6/236:00 amBCN - STL
2 stops16h 41mUnited Airlines
Deal found 5/3$1,219
Mon 6/1011:38 amSTL - BCN
2 stops14h 22mUnited Airlines
Sun 6/236:00 amBCN - STL
2 stops16h 41mUnited Airlines
Deal found 5/3$1,223

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 2,795,183 searches. Prices were last updated on May 4, 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.
Wed 5/2911:36 amSTL - BCN
3 stops49h 09mMultiple Airlines
Fri 6/75:45 amBCN - STL
3 stops42h 43mMultiple Airlines
Deal found 5/4$939
Tue 6/42:35 pmSTL - BCN
2 stops25h 20mMultiple Airlines
Mon 6/1011:25 amBCN - STL
3 stops33h 58mMultiple Airlines
Deal found 5/3$944
Tue 5/287:23 pmSTL - BCN
3 stops58h 37mMultiple Airlines
Mon 6/33:55 pmBCN - STL
3 stops52h 10mMultiple Airlines
Deal found 5/3$964
Tue 6/187:44 pmSTL - BCN
3 stops53h 26mMultiple Airlines
Wed 6/267:40 amBCN - STL
2 stops30h 27mMultiple Airlines
Deal found 5/4$981
Fri 5/314:05 pmSTL - BCN
3 stops57h 15mMultiple Airlines
Fri 6/75:45 amBCN - STL
3 stops42h 43mMultiple Airlines
Deal found 5/3$990
Tue 6/187:44 pmSTL - BCN
2 stops41h 01mMultiple Airlines
Wed 6/267:40 amBCN - STL
2 stops30h 27mMultiple Airlines
Deal found 5/4$994
Tue 6/410:34 amSTL - BCN
3 stops23h 21mMultiple Airlines
Mon 6/103:00 pmBCN - STL
3 stops30h 23mMultiple Airlines
Deal found 5/3$1,000
Wed 6/198:16 amSTL - BCN
3 stops40h 54mMultiple Airlines
Wed 6/267:40 amBCN - STL
2 stops30h 27mMultiple Airlines
Deal found 5/4$1,002
Tue 6/187:44 pmSTL - BCN
3 stops53h 26mMultiple Airlines
Wed 6/269:15 pmBCN - STL
3 stops40h 52mMultiple Airlines
Deal found 5/4$1,011

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 2,795,183 searches. Data last updated May 4, 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.
Fri 11/2912:24 pmSTL - BCN
1 stop13h 36mUnited Airlines
Tue 12/39:15 amBCN - STL
2 stops37h 06mUnited Airlines
Deal found 5/3$767
Tue 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/4$785
Tue 8/2010:00 amSTL - BCN
1 stop16h 10mKLM
Fri 8/3011:25 amBCN - STL
1 stop14h 49mKLM
Deal found 5/3$789
Tue 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:15 pmBCN - STL
2 stops15h 50mAir Canada
Deal found 5/4$791
Tue 8/2012:00 pmSTL - BCN
2 stops15h 25mAir Canada
Fri 8/3012:15 pmBCN - STL
2 stops15h 50mAir Canada
Deal found 5/4$797
Fri 8/168:25 amSTL - BCN
1 stop16h 55mUnited Airlines
Thu 8/2212:20 pmBCN - STL
2 stops28h 47mUnited Airlines
Deal found 5/3$833
Fri 10/46:42 pmSTL - BCN
2 stops58h 43mMultiple Airlines
Mon 10/149:10 pmBCN - STL
2 stops44h 08mMultiple Airlines
Deal found 5/4$834
Fri 8/1612:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Thu 8/2212:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/3$835
Fri 8/161:45 pmSTL - BCN
2 stops16h 00mUnited Airlines
Thu 8/2212:20 pmBCN - STL
2 stops28h 47mUnited Airlines
Deal found 5/3$838

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 2,795,183 searches. Data last updated May 4, 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.
Thu 5/97:30 amSTL - BCN
3 stops21h 55mMultiple Airlines
Sun 5/1210:50 pmBCN - STL
3 stops42h 19mMultiple Airlines
Deal found 5/4$1,325
Thu 5/910:59 pmSTL - BCN
3 stops58h 06mMultiple Airlines
Sun 5/1210:50 pmBCN - STL
3 stops42h 19mMultiple Airlines
Deal found 5/3$1,335
Thu 5/97:16 pmSTL - BCN
2 stops56h 24mMultiple Airlines
Sun 5/1210:50 pmBCN - STL
3 stops42h 19mMultiple Airlines
Deal found 5/4$1,345
Thu 5/97:16 pmSTL - BCN
2 stops55h 49mMultiple Airlines
Sun 5/123:00 pmBCN - STL
2 stops49h 39mMultiple Airlines
Deal found 5/3$1,357
Thu 5/97:30 amSTL - BCN
3 stops21h 55mMultiple Airlines
Sun 5/123:00 pmBCN - STL
2 stops49h 39mMultiple Airlines
Deal found 5/3$1,360
Thu 5/97:16 pmSTL - BCN
2 stops37h 54mMultiple Airlines
Sun 5/126:45 amBCN - STL
2 stops44h 26mMultiple Airlines
Deal found 5/4$1,451
Thu 5/912:20 pmSTL - BCN
1 stop13h 40mLufthansa
Sun 5/1212:00 pmBCN - STL
1 stop17h 22mLufthansa
Deal found 5/4$1,962
Thu 5/99:51 amSTL - BCN
1 stop17h 39mIberia
Sun 5/127:25 amBCN - STL
2 stops19h 03mIberia
Deal found 5/4$1,983
Thu 5/911:09 amSTL - BCN
1 stop17h 51mIberia
Sun 5/127:25 amBCN - STL
2 stops20h 30mIberia
Deal found 5/3$1,993

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 2,795,183 searches. Data last updated May 4, 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.
Fri 10/116:42 pmSTL - BCN
2 stops38h 28mMultiple Airlines
Deal found 5/3$350
Tue 7/911:57 amSTL - BCN
2 stops29h 18mMultiple Airlines
Deal found 5/2$372
Tue 8/202:35 pmSTL - BCN
3 stops34h 05mMultiple Airlines
Deal found 5/3$402
Tue 7/911:57 amSTL - BCN
3 stops29h 08mMultiple Airlines
Deal found 5/2$417
Mon 8/199:20 pmSTL - BCN
3 stops51h 20mMultiple Airlines
Deal found 5/3$418
Mon 8/199:20 pmSTL - BCN
2 stops39h 25mMultiple Airlines
Deal found 5/3$437
Tue 8/202:35 pmSTL - BCN
2 stops26h 40mMultiple Airlines
Deal found 5/3$442
Sun 6/27:44 pmSTL - BCN
2 stops41h 01mMultiple Airlines
Deal found 5/3$451
Sun 6/27:44 pmSTL - BCN
3 stops43h 21mMultiple Airlines
Deal found 5/3$484

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 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$785 - $1,214

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 8/20

1 stop14h 40m

Barcelona-El Prat

Fri 8/30

1 stop15h 40m

$785

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 8/20

1 stop16h 10m

Barcelona-El Prat

Fri 8/30

1 stop14h 49m

$789

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 8/16

1 stop16h 55m

Barcelona-El Prat

Thu 8/22

2 stops28h 47m

$833

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 10/4

2 stops14h 29m

Barcelona-El Prat

Wed 10/16

1 stop16h 02m

$848

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 10/4

2 stops15h 32m

Barcelona-El Prat

Wed 10/16

1 stop21h 23m

$853

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 10/4

3 stops57h 25m

Barcelona-El Prat

Wed 10/16

2 stops50h 53m

$884

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 6/3

1 stop15h 50m

Barcelona-El Prat

Wed 6/12

1 stop13h 13m

$1,127

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 6/19

1 stop15h 25m

Barcelona-El Prat

Fri 6/28

1 stop16h 16m

$1,165

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 6/18

2 stops14h 24m

Barcelona-El Prat

Fri 6/28

2 stops17h 10m

$1,214

Flights are sorted by cheapest first

Deals found on 5/4

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 January 28, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Barcelona, you should look to book at least 55 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.
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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 April 28, 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 $419 while a round-trip flight costs $944. Price data was last updated on April 28, 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 $1,112). 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

$562

March

$681

April

$657

May

$781

June

$1,112

July

$1,036

August

$796

September

$832

October

$698

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 4, 2024.
Peruse reviews from past customers who have flown with Air Canada, United Airlines and British Airways 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
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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
10,838 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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
1,604 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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
7.6
Good
1,786 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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.

WestJet
7.6
Good
2,962 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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
14,728 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

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 Air Canada for just $785, but on average you can expect to pay $874.

  • Are there last-minute flights available from St. Louis to Barcelona for under $1,400?

    There are currently 10+ open flights from St. Louis to Barcelona within the next 7 days for less than $1,400.

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

    Air Canada, at $785, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include KLM 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 WestJet ($574), United Airlines ($670), and KLM ($719).

  • 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 5/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,795,183 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$544Average$875FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$547Average$886FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$602Average$877FlexibilityNo cancel feeOn-timeN/A
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