Cheap flights from St. Louis (STL) to Barcelona from $407

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 8/11. 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 25 — Jun 11

The best prices from Lambert-St Louis to Barcelona are usually found in January or February, booked 3 days in advance, depart on a Tuesday or Wednesday 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 20, 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 Monday 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 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 2,621,518 searches. Data last updated May 20, 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.
Wed 10/3010:40 amSTL - BCN
2 stops14h 55mAir Canada
Thu 11/79:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 5/19$646
Sat 11/24:10 pmSTL - BCN
2 stops33h 25mAir Canada
Mon 11/119:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 5/19$696
Wed 10/3010:40 amSTL - BCN
2 stops14h 55mAir Canada
Sat 11/95:50 amBCN - STL
2 stops35h 03mAir Canada
Deal found 5/19$702
Fri 11/14:10 pmSTL - BCN
2 stops33h 25mAir Canada
Mon 11/119:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 5/19$746
Fri 11/14:10 pmSTL - BCN
2 stops33h 25mAir Canada
Sat 11/95:50 amBCN - STL
2 stops35h 03mAir Canada
Deal found 5/19$752
Tue 8/2012:00 pmSTL - BCN
1 stop14h 40mAir Canada
Fri 8/3012:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/19$785
Sat 10/1912:00 pmSTL - BCN
1 stop14h 40mAir Canada
Sat 10/2612:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/19$810
Sat 10/1912:00 pmSTL - BCN
2 stops15h 25mAir Canada
Sat 10/2612:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 5/19$816
Fri 10/411:09 amSTL - BCN
2 stops15h 31mAir Canada
Wed 10/1612:25 pmBCN - STL
2 stops28h 42mAir Canada
Deal found 5/19$855

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 2,621,518 searches. Data last updated May 20, 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.
Wed 10/308:25 amSTL - BCN
1 stop17h 55mUnited Airlines
Thu 11/711:45 amBCN - STL
1 stop15h 10mUnited Airlines
Deal found 5/19$649
Wed 10/3012:58 pmSTL - BCN
2 stops14h 17mUnited Airlines
Thu 11/711:45 amBCN - STL
1 stop15h 10mUnited Airlines
Deal found 5/19$755
Wed 10/308:25 amSTL - BCN
1 stop17h 55mUnited Airlines
Sun 11/106:50 amBCN - STL
1 stop14h 05mUnited Airlines
Deal found 5/19$761
Sun 11/38:25 amSTL - BCN
1 stop16h 55mUnited Airlines
Sat 11/92:00 pmBCN - STL
1 stop30h 55mUnited Airlines
Deal found 5/19$778
Sat 9/214:05 pmSTL - BCN
1 stop11h 20mUnited Airlines
Sat 9/2812:20 pmBCN - STL
2 stops28h 47mUnited Airlines
Deal found 5/19$885
Wed 5/2910:15 amSTL - BCN
1 stop19h 30mUnited Airlines
Sun 6/92:50 pmBCN - STL
1 stop13h 57mUnited Airlines
Deal found 5/19$1,382

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 2,621,518 searches. Prices were last updated on May 20, 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.
Tue 6/113:23 pmSTL - BCN
2 stops15h 57mDelta
Wed 6/198:55 amBCN - STL
2 stops21h 48mDelta
Deal found 5/20$766
Sun 6/166:00 amSTL - BCN
2 stops17h 05mDelta
Wed 6/2612:40 pmBCN - STL
2 stops16h 15mDelta
Deal found 5/19$774
Tue 6/46:30 pmSTL - BCN
2 stops17h 20mDelta
Tue 6/188:55 amBCN - STL
2 stops18h 42mDelta
Deal found 5/19$779
Thu 5/305:37 pmSTL - BCN
2 stops15h 48mKLM
Wed 6/51:45 pmBCN - STL
2 stops16h 55mKLM
Deal found 5/19$829
Tue 5/285:37 pmSTL - BCN
2 stops15h 48mDelta
Mon 6/36:10 amBCN - STL
2 stops22h 42mDelta
Deal found 5/19$848
Wed 5/2910:20 amSTL - BCN
2 stops17h 05mDelta
Sun 6/96:10 amBCN - STL
2 stops22h 03mDelta
Deal found 5/19$849
Sun 6/1611:00 amSTL - BCN
3 stops29h 50mMultiple Airlines
Wed 6/267:10 amBCN - STL
3 stops19h 51mMultiple Airlines
Deal found 5/19$982
Sun 6/1611:00 amSTL - BCN
2 stops29h 50mMultiple Airlines
Wed 6/267:10 amBCN - STL
3 stops19h 51mMultiple Airlines
Deal found 5/19$984
Tue 6/46:00 amSTL - BCN
1 stop20h 10mDelta
Tue 6/188:55 amBCN - STL
2 stops18h 42mDelta
Deal found 5/19$1,042

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 2,621,518 searches. Data last updated May 20, 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 10/3010:40 amSTL - BCN
2 stops14h 55mAir Canada
Thu 11/79:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 5/19$646
Wed 10/308:25 amSTL - BCN
1 stop17h 55mUnited Airlines
Thu 11/711:45 amBCN - STL
1 stop15h 10mUnited Airlines
Deal found 5/19$649
Wed 10/3010:40 amSTL - BCN
2 stops14h 55mMultiple Airlines
Fri 11/86:45 amBCN - STL
2 stops34h 08mMultiple Airlines
Deal found 5/19$660
Wed 10/305:34 amSTL - BCN
1 stop24h 31mMultiple Airlines
Fri 11/82:40 pmBCN - STL
2 stops26h 36mMultiple Airlines
Deal found 5/19$665
Wed 10/305:34 amSTL - BCN
1 stop24h 31mMultiple Airlines
Mon 11/119:00 pmBCN - STL
2 stops28h 16mMultiple Airlines
Deal found 5/19$681
Sun 11/311:58 amSTL - BCN
2 stops19h 27mFinnair
Mon 11/119:00 pmBCN - STL
2 stops28h 16mFinnair
Deal found 5/19$683
Wed 10/3012:06 pmSTL - BCN
2 stops17h 39mIberia
Mon 11/119:05 pmBCN - STL
2 stops31h 26mIberia
Deal found 5/19$691
Sat 11/24:10 pmSTL - BCN
2 stops33h 25mAir Canada
Mon 11/119:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 5/19$696
Wed 10/3010:40 amSTL - BCN
2 stops14h 55mAir Canada
Sat 11/95:50 amBCN - STL
2 stops35h 03mAir Canada
Deal found 5/19$702

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 2,621,518 searches. Data last updated May 20, 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 5/305:37 pmSTL - BCN
2 stops15h 48mKLM
Wed 6/51:45 pmBCN - STL
2 stops16h 55mKLM
Deal found 5/19$829
Tue 5/285:37 pmSTL - BCN
2 stops15h 48mDelta
Mon 6/36:10 amBCN - STL
2 stops22h 42mDelta
Deal found 5/19$848
Wed 5/2910:20 amSTL - BCN
2 stops17h 05mDelta
Sun 6/96:10 amBCN - STL
2 stops22h 03mDelta
Deal found 5/19$849
Mon 5/274:05 pmSTL - BCN
2 stops22h 50mMultiple Airlines
Mon 6/107:25 pmBCN - STL
3 stops32h 40mMultiple Airlines
Deal found 5/19$1,050
Mon 5/2711:00 amSTL - BCN
2 stops27h 55mMultiple Airlines
Mon 6/109:50 pmBCN - STL
2 stops29h 11mMultiple Airlines
Deal found 5/19$1,071
Thu 5/307:45 amSTL - BCN
3 stops45h 40mMultiple Airlines
Wed 6/58:45 amBCN - STL
2 stops41h 37mMultiple Airlines
Deal found 5/19$1,093
Thu 5/307:45 amSTL - BCN
3 stops45h 40mMultiple Airlines
Wed 6/52:25 pmBCN - STL
3 stops47h 42mMultiple Airlines
Deal found 5/19$1,101
Mon 5/276:00 amSTL - BCN
1 stop20h 10mDelta
Mon 6/109:50 amBCN - STL
2 stops19h 05mDelta
Deal found 5/19$1,112
Thu 5/305:37 pmSTL - BCN
2 stops15h 48mKLM
Wed 6/511:25 amBCN - STL
1 stop14h 16mKLM
Deal found 5/19$1,116

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 2,621,518 searches. Data last updated May 20, 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.
Sun 8/116:15 pmSTL - BCN
3 stops59h 10mMultiple Airlines
Deal found 5/19$407
Sun 8/117:31 pmSTL - BCN
2 stops57h 54mMultiple Airlines
Deal found 5/19$482
Wed 10/307:29 pmSTL - BCN
3 stops54h 21mMultiple Airlines
Deal found 5/19$567
Wed 10/3010:00 amSTL - BCN
2 stops15h 00mKLM
Deal found 5/19$619
Thu 10/3111:51 amSTL - BCN
2 stops17h 24mAir France
Deal found 5/19$644
Thu 10/318:25 amSTL - BCN
1 stop17h 55mUnited Airlines
Deal found 5/19$650
Wed 6/57:29 pmSTL - BCN
3 stops57h 56mMultiple Airlines
Deal found 5/19$683
Sun 8/112:14 pmSTL - BCN
1 stop13h 16mIberia
Deal found 5/19$730
Wed 6/57:29 pmSTL - BCN
2 stops33h 36mMultiple Airlines
Deal found 5/19$765

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 2,621,518 searches. Data last updated May 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$646 - $765

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

2 stops14h 55m

Barcelona-El Prat

Thu 11/7

2 stops31h 38m

$646

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

1 stop17h 55m

Barcelona-El Prat

Thu 11/7

1 stop15h 10m

$649

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

2 stops14h 55m

Barcelona-El Prat

Fri 11/8

2 stops34h 08m

$660

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 11/3

2 stops19h 27m

Barcelona-El Prat

Mon 11/11

2 stops28h 16m

$683

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 10/30

2 stops17h 39m

Barcelona-El Prat

Mon 11/11

2 stops31h 26m

$691

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 11/3

1 stop14h 15m

Barcelona-El Prat

Sun 11/10

1 stop15h 05m

$721

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 10/31

2 stops16h 34m

Barcelona-El Prat

Thu 11/7

1 stop19h 40m

$729

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 10/31

1 stop20h 15m

Barcelona-El Prat

Fri 11/8

1 stop29h 20m

$762

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 10/31

1 stop12h 19m

Barcelona-El Prat

Sat 11/9

2 stops20h 11m

$765

Flights are sorted by cheapest first

Deals found on 5/19

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 12, 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 $616 while a round-trip flight costs $701. 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 20, 2024.
Peruse reviews from past customers who have flown with Air Canada, United Airlines and Finnair 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
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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
10,635 reviews
8.0
Very good
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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
1,558 reviews
8.0
Very good
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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.

7.8
Good
1,373 reviews
8.0
Very good
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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
1,761 reviews
8.0
Very good
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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
10,894 reviews
8.0
Very good
10,635 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Food

7.4

Entertainment

8.0

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 $700 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Barcelona for under $700. The cheapest flight booked recently is on Air Canada for just $646, but on average you can expect to pay $702.

  • Are there last-minute flights available from St. Louis to Barcelona for under $900?

    There are currently 20+ open flights from St. Louis to Barcelona within the next 7 days for less than $900.

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

    Air Canada, at $646, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include United Airlines and Finnair. You may be able to fly from St. Louis to Barcelona for 36% 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 ($619), Air France ($644), and United Airlines ($650).

  • 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 5/19.

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 2,621,518 searches. Data last updated May 20, 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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