Cheap flights from St. Louis (STL) to Barcelona from $349

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 7/2. 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 18 — May 251

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 13, 2024.

Popular in

June

Cheapest in

January

Average price

$1,163

Round-trip from

$511
High demand for flights, 37% potential price rise
Best time to find cheap flights, 32% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Barcelona

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 $1,021 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 American Airlines flights from St. Louis to Barcelona

Explore cheap flight options specifically provided by American 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 2,633,403 searches. Data last updated May 13, 2024.
Take a peek at the cheapest American Airlines 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.
Wed 10/236:26 amSTL - BCN
1 stop21h 04mAmerican Airlines
Tue 10/2911:00 amBCN - STL
1 stop18h 11mAmerican Airlines
Deal found 5/12$750
Wed 10/232:38 pmSTL - BCN
2 stops15h 32mAmerican Airlines
Tue 10/296:45 pmBCN - STL
2 stops21h 09mAmerican Airlines
Deal found 5/12$753
Tue 8/202:14 pmSTL - BCN
2 stops15h 46mAmerican Airlines
Fri 8/3010:40 amBCN - STL
1 stop12h 30mAmerican Airlines
Deal found 5/12$798
Tue 8/209:09 amSTL - BCN
2 stops14h 36mAmerican Airlines
Fri 8/3012:50 pmBCN - STL
2 stops17h 33mAmerican Airlines
Deal found 5/12$801
Sat 8/249:09 amSTL - BCN
2 stops14h 36mAmerican Airlines
Fri 9/1311:05 amBCN - STL
1 stop13h 09mAmerican Airlines
Deal found 5/12$853
Sat 8/249:09 amSTL - BCN
2 stops14h 36mAmerican Airlines
Fri 9/137:00 amBCN - STL
2 stops17h 14mAmerican Airlines
Deal found 5/12$868
Sat 10/192:38 pmSTL - BCN
2 stops15h 32mAmerican Airlines
Sat 10/2610:40 amBCN - STL
2 stops16h 27mAmerican Airlines
Deal found 5/12$903

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 2,633,403 searches. Data last updated May 13, 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.
Tue 9/1712:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Thu 9/2612:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/11$785
Tue 8/205:18 pmSTL - BCN
2 stops32h 02mUnited Airlines
Fri 8/3012:15 pmBCN - STL
1 stop34h 06mUnited Airlines
Deal found 5/13$791
Tue 8/205:18 pmSTL - BCN
1 stop12h 27mUnited Airlines
Fri 8/3012:15 pmBCN - STL
1 stop34h 06mUnited Airlines
Deal found 5/13$795
Fri 10/410:10 amSTL - BCN
1 stop17h 15mUnited Airlines
Wed 10/1612:25 pmBCN - STL
2 stops28h 42mUnited Airlines
Deal found 5/13$835
Fri 10/44:05 pmSTL - BCN
1 stop11h 20mUnited Airlines
Wed 10/1612:25 pmBCN - STL
1 stop33h 55mUnited Airlines
Deal found 5/13$847
Fri 10/45:34 pmSTL - BCN
2 stops31h 46mUnited Airlines
Wed 10/1612:25 pmBCN - STL
2 stops28h 42mUnited Airlines
Deal found 5/13$851
Sat 10/512:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Sat 10/1212:25 pmBCN - STL
2 stops17h 35mUnited Airlines
Deal found 5/12$895
Wed 8/2812:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Tue 9/1012:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/12$949
Wed 9/116:02 amSTL - BCN
2 stops20h 38mUnited Airlines
Wed 9/2512:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/12$954

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 2,633,403 searches. Prices were last updated on May 13, 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 5/319:50 amSTL - BCN
2 stops24h 10mMultiple Airlines
Wed 6/512:55 pmBCN - STL
3 stops35h 33mMultiple Airlines
Deal found 5/12$980
Tue 5/287:23 pmSTL - BCN
3 stops57h 42mMultiple Airlines
Mon 6/33:55 pmBCN - STL
3 stops52h 10mMultiple Airlines
Deal found 5/13$1,034
Fri 5/314:05 pmSTL - BCN
3 stops58h 15mMultiple Airlines
Wed 6/512:55 pmBCN - STL
3 stops35h 33mMultiple Airlines
Deal found 5/12$1,041
Tue 5/287:23 pmSTL - BCN
3 stops57h 42mMultiple Airlines
Mon 6/33:55 pmBCN - STL
3 stops52h 10mMultiple Airlines
Deal found 5/12$1,049
Tue 5/287:23 pmSTL - BCN
2 stops57h 42mMultiple Airlines
Mon 6/33:55 pmBCN - STL
3 stops52h 10mMultiple Airlines
Deal found 5/12$1,104
Wed 6/1210:15 amSTL - BCN
1 stop19h 30mUnited Airlines
Wed 6/1912:15 pmBCN - STL
2 stops38h 27mUnited Airlines
Deal found 5/13$1,110
Wed 6/126:30 amSTL - BCN
1 stop23h 15mUnited Airlines
Wed 6/1912:15 pmBCN - STL
1 stop34h 06mUnited Airlines
Deal found 5/13$1,112
Tue 5/217:23 pmSTL - BCN
3 stops57h 42mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/12$1,113
Wed 6/129:50 amSTL - BCN
2 stops20h 10mMultiple Airlines
Wed 6/193:00 pmBCN - STL
2 stops31h 21mMultiple Airlines
Deal found 5/13$1,121

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 2,633,403 searches. Data last updated May 13, 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 10/236:26 amSTL - BCN
1 stop21h 04mAmerican Airlines
Tue 10/2911:00 amBCN - STL
1 stop18h 11mAmerican Airlines
Deal found 5/12$750
Wed 10/232:38 pmSTL - BCN
2 stops15h 32mAmerican Airlines
Tue 10/296:45 pmBCN - STL
2 stops21h 09mAmerican Airlines
Deal found 5/12$753
Thu 11/71:38 pmSTL - BCN
1 stop15h 57mMultiple Airlines
Mon 11/119:00 pmBCN - STL
2 stops28h 16mMultiple Airlines
Deal found 5/12$778
Tue 9/1712:00 pmSTL - BCN
1 stop14h 40mUnited Airlines
Thu 9/2612:25 pmBCN - STL
1 stop15h 40mUnited Airlines
Deal found 5/11$785
Tue 8/205:18 pmSTL - BCN
2 stops32h 02mUnited Airlines
Fri 8/3012:15 pmBCN - STL
1 stop34h 06mUnited Airlines
Deal found 5/13$791
Tue 8/205:18 pmSTL - BCN
1 stop12h 27mUnited Airlines
Fri 8/3012:15 pmBCN - STL
1 stop34h 06mUnited Airlines
Deal found 5/13$795
Tue 8/202:14 pmSTL - BCN
2 stops15h 46mAmerican Airlines
Fri 8/3010:40 amBCN - STL
1 stop12h 30mAmerican Airlines
Deal found 5/12$798
Sun 8/2511:05 amSTL - BCN
1 stop18h 10mMultiple Airlines
Thu 9/126:45 pmBCN - STL
1 stop21h 23mMultiple Airlines
Deal found 5/12$800
Tue 8/209:09 amSTL - BCN
2 stops14h 36mAmerican Airlines
Fri 8/3012:50 pmBCN - STL
2 stops17h 33mAmerican Airlines
Deal found 5/12$801

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 2,633,403 searches. Data last updated May 13, 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.
Tue 5/217:23 pmSTL - BCN
3 stops57h 42mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/12$1,113
Tue 5/212:12 pmSTL - BCN
3 stops36h 43mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/13$1,138
Tue 5/212:35 pmSTL - BCN
2 stops18h 35mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/13$1,245
Tue 5/217:44 pmSTL - BCN
2 stops37h 26mMultiple Airlines
Tue 6/48:20 pmBCN - STL
3 stops52h 08mMultiple Airlines
Deal found 5/12$1,251
Tue 5/217:44 pmSTL - BCN
2 stops37h 26mMultiple Airlines
Tue 6/48:45 amBCN - STL
2 stops29h 37mMultiple Airlines
Deal found 5/12$1,424
Tue 5/212:35 pmSTL - BCN
2 stops18h 35mMultiple Airlines
Tue 6/47:00 amBCN - STL
2 stops31h 22mMultiple Airlines
Deal found 5/13$1,437
Tue 5/2111:10 amSTL - BCN
2 stops16h 50mLufthansa
Tue 6/45:05 pmBCN - STL
1 stop27h 25mLufthansa
Deal found 5/13$1,600
Tue 5/219:50 amSTL - BCN
1 stop17h 35mAir Canada
Tue 6/412:15 pmBCN - STL
1 stop14h 46mAir Canada
Deal found 5/12$1,604

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 2,633,403 searches. Data last updated May 13, 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.
Tue 7/211:57 amSTL - BCN
2 stops29h 18mMultiple Airlines
Deal found 5/12$349
Mon 7/17:29 pmSTL - BCN
2 stops45h 46mMultiple Airlines
Deal found 5/12$357
Tue 7/211:57 amSTL - BCN
3 stops27h 53mMultiple Airlines
Deal found 5/12$402
Mon 7/17:29 pmSTL - BCN
3 stops44h 21mMultiple Airlines
Deal found 5/12$411
Wed 7/109:20 pmSTL - BCN
2 stops37h 25mMultiple Airlines
Deal found 5/12$425
Wed 6/57:29 pmSTL - BCN
2 stops33h 36mMultiple Airlines
Deal found 5/13$535
Wed 6/57:29 pmSTL - BCN
2 stops33h 36mMultiple Airlines
Deal found 5/12$537
Wed 6/510:57 pmSTL - BCN
3 stops30h 08mMultiple Airlines
Deal found 5/12$603
Wed 7/109:20 pmSTL - BCN
3 stops44h 30mMultiple Airlines
Deal found 5/12$612

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 2,633,403 searches. Data last updated May 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$750 - $1,122

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/23

1 stop21h 04m

Barcelona-El Prat

Tue 10/29

1 stop18h 11m

$750

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 11/7

1 stop15h 57m

Barcelona-El Prat

Mon 11/11

2 stops28h 16m

$778

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/17

1 stop14h 40m

Barcelona-El Prat

Thu 9/26

1 stop15h 40m

$785

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 9/17

2 stops16h 23m

Barcelona-El Prat

Thu 9/26

2 stops16h 29m

$813

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sat 8/24

2 stops19h 10m

Barcelona-El Prat

Thu 9/12

1 stop13h 09m

$885

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/26

1 stop14h 40m

Barcelona-El Prat

Thu 9/12

2 stops14h 35m

$995

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 10/13

2 stops17h 11m

Barcelona-El Prat

Fri 10/18

2 stops52h 55m

$1,069

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/26

2 stops14h 30m

Barcelona-El Prat

Fri 9/13

2 stops15h 10m

$1,107

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 8/26

2 stops16h 44m

Barcelona-El Prat

Sun 9/15

2 stops22h 21m

$1,122

Flights are sorted by cheapest first

Deals found on 5/12

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 10, 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 $470 while a round-trip flight costs $923. Price data was last updated on May 12, 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 $1,082). 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

$557

March

$681

April

$657

May

$774

June

$1,082

July

$1,011

August

$787

September

$820

October

$695

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 13, 2024.
Peruse reviews from past customers who have flown with American Airlines, 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.
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.

8.0
Very good
10,736 reviews
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.

7.9
Good
1,574 reviews
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.

7.6
Good
1,771 reviews
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.

7.4
Good
10,980 reviews
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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.

7.3
Good
14,608 reviews
8.0
Very good
10,736 reviews

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

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. 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 $750, but on average you can expect to pay $814.

  • Are there last-minute flights available from St. Louis to Barcelona for under $1,200?

    There are currently 8+ open flights from St. Louis to Barcelona within the next 7 days for less than $1,200.

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

    American Airlines, at $750, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include United Airlines and British Airways. You may be able to fly from St. Louis to Barcelona for 26% 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 ($631), United Airlines ($650), and Iberia ($1,771).

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

  • 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 5/13.

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.

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 2,633,403 searches. Data last updated May 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$545Average$864FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$552Average$910FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest$605Average$1,092FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$607Average$883FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$625Average$960FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$669Average$844FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest$687Average$1,296FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest$716Average$1,154FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest$732Average$1,150FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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.

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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