Cheap flights from St. Louis (STL) to Barcelona-El Prat (BCN) from $327

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — BCN
Jun 11 — Jun 181

The best prices from Lambert-St Louis to Barcelona-El Prat are usually found in January or February, booked 3 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2024.

Popular in

June

Cheapest in

January

Average price

$1,555

Round-trip from

$510
High demand for flights, 35% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in June 2024
From Lambert-St Louis to Barcelona-El Prat

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

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

Our data shows that January tends to be the cheapest month to fly to Barcelona-El Prat Airport from St. Louis. Users have commonly found prices around $1,012 for the month, but tickets can be as low as $456. Due to multiple factors, prepare for potentially higher prices in June.

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

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

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

Find cheap flight options from St. Louis to Barcelona-El Prat specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from St. Louis to Barcelona in 2024. Check back regularly for other flight deals.
Mon 6/176:00 amSTL - BCN
2 stops17h 05mDelta
Wed 7/31:45 pmBCN - STL
2 stops29h 15mDelta
Deal found 6/5$694
Mon 7/2910:11 amSTL - BCN
1 stop15h 59mVirgin Atlantic
Wed 8/148:55 amBCN - STL
2 stops18h 37mVirgin Atlantic
Deal found 6/6$697
Mon 7/2911:25 amSTL - BCN
2 stops14h 35mUnited Airlines
Wed 8/1412:15 pmBCN - STL
1 stop14h 46mUnited Airlines
Deal found 6/6$700
Mon 6/174:05 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 7/312:25 pmBCN - STL
1 stop15h 40mAir Canada
Deal found 6/5$715
Mon 6/177:06 pmSTL - BCN
1 stop31h 04mDelta
Wed 7/36:10 amBCN - STL
2 stops19h 01mDelta
Deal found 6/5$718
Mon 6/174:05 pmSTL - BCN
1 stop11h 20mAir Canada
Wed 7/312:25 pmBCN - STL
2 stops14h 36mAir Canada
Deal found 6/5$721
Tue 6/116:10 pmSTL - BCN
2 stops17h 40mDelta
Wed 6/1911:25 amBCN - STL
1 stop19h 18mDelta
Deal found 6/5$730
Tue 6/116:10 pmSTL - BCN
2 stops17h 40mDelta
Wed 6/191:45 pmBCN - STL
2 stops26h 25mDelta
Deal found 6/5$735
Wed 7/33:23 pmSTL - BCN
2 stops15h 57mDelta
Wed 7/246:20 amBCN - STL
2 stops22h 47mDelta
Deal found 6/6$744

St. Louis to Barcelona-El Prat 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Barcelona-El Prat in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from St. Louis to Barcelona in 2024. Check back regularly for other flight deals.
Wed 11/63:45 pmSTL - BCN
1 stop21h 00mUnited Airlines
Wed 11/209:15 amBCN - STL
2 stops32h 54mUnited Airlines
Deal found 6/5$536
Sun 10/274:10 pmSTL - BCN
2 stops33h 25mAir Canada
Thu 11/79:15 amBCN - STL
2 stops31h 38mAir Canada
Deal found 6/5$540
Sun 10/2711:51 amSTL - BCN
1 stop13h 49mKLM
Thu 11/710:55 amBCN - STL
1 stop19h 40mKLM
Deal found 6/5$543
Sun 10/2710:00 amSTL - BCN
2 stops15h 00mKLM
Thu 11/710:55 amBCN - STL
1 stop19h 40mKLM
Deal found 6/5$547
Wed 11/611:58 amSTL - BCN
2 stops16h 27mBritish Airways
Wed 11/206:40 amBCN - STL
2 stops16h 31mBritish Airways
Deal found 6/5$557
Wed 11/63:55 pmSTL - BCN
1 stop16h 45mLufthansa
Wed 11/206:50 amBCN - STL
1 stop14h 05mLufthansa
Deal found 6/5$565
Wed 9/1111:10 amSTL - BCN
2 stops15h 30mUnited Airlines
Tue 9/1712:25 pmBCN - STL
2 stops34h 40mUnited Airlines
Deal found 6/6$687
Mon 6/176:00 amSTL - BCN
2 stops17h 05mDelta
Wed 7/31:45 pmBCN - STL
2 stops29h 15mDelta
Deal found 6/5$694
Mon 7/2910:11 amSTL - BCN
1 stop15h 59mVirgin Atlantic
Wed 8/148:55 amBCN - STL
2 stops18h 37mVirgin Atlantic
Deal found 6/6$697

St. Louis to Barcelona-El Prat flights leaving soon

Find last-minute flight options from St. Louis to Barcelona-El Prat 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 3,050,429 searches. Data last updated June 6, 2024.
Check out these flights departing soon from St. Louis to Barcelona. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 6/116:10 pmSTL - BCN
2 stops17h 40mDelta
Wed 6/1911:25 amBCN - STL
1 stop19h 18mDelta
Deal found 6/5$730
Tue 6/116:10 pmSTL - BCN
2 stops17h 40mDelta
Wed 6/191:45 pmBCN - STL
2 stops26h 25mDelta
Deal found 6/5$735
Tue 6/115:31 pmSTL - BCN
2 stops20h 59mLufthansa
Wed 6/196:50 amBCN - STL
1 stop13h 40mLufthansa
Deal found 6/6$788
Tue 6/115:31 pmSTL - BCN
2 stops20h 59mLufthansa
Wed 6/196:50 amBCN - STL
2 stops15h 51mLufthansa
Deal found 6/6$799
Tue 6/115:31 pmSTL - BCN
2 stops17h 39mLufthansa
Mon 6/246:55 pmBCN - STL
2 stops51h 46mLufthansa
Deal found 6/6$856
Tue 6/117:15 amSTL - BCN
1 stop18h 55mDelta
Wed 6/1911:25 amBCN - STL
1 stop19h 18mDelta
Deal found 6/5$1,061
Tue 6/1111:00 amSTL - BCN
1 stop15h 40mAir Canada
Wed 6/1912:15 pmBCN - STL
1 stop34h 06mAir Canada
Deal found 6/6$1,247
Tue 6/1111:57 amSTL - BCN
3 stops53h 43mMultiple Airlines
Mon 6/247:00 amBCN - STL
3 stops38h 23mMultiple Airlines
Deal found 6/5$1,257
Tue 6/117:44 pmSTL - BCN
3 stops45h 56mMultiple Airlines
Wed 6/195:45 amBCN - STL
3 stops42h 43mMultiple Airlines
Deal found 6/5$1,290

One-way flights to Barcelona-El Prat from St. Louis

Search for one-way flight options from St. Louis to Barcelona-El Prat. 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 3,050,429 searches. Data last updated June 6, 2024.
Users traveling one-way from St. Louis to Barcelona can select one of these great deals. Users in need of a round-trip flight from St. Louis to Barcelona instead should update the search form at the top of page.
Thu 10/241:59 pmSTL - BCN
2 stops39h 26mMultiple Airlines
Deal found 6/6$327
Fri 9/136:42 pmSTL - BCN
2 stops38h 28mMultiple Airlines
Deal found 6/5$370
Wed 10/98:00 pmSTL - BCN
3 stops45h 20mMultiple Airlines
Deal found 6/5$372
Thu 10/247:57 amSTL - BCN
3 stops33h 08mMultiple Airlines
Deal found 6/6$373
Wed 10/97:29 pmSTL - BCN
2 stops45h 51mMultiple Airlines
Deal found 6/5$406
Fri 11/226:42 pmSTL - BCN
2 stops38h 28mMultiple Airlines
Deal found 6/6$437
Fri 9/137:57 amSTL - BCN
3 stops26h 13mMultiple Airlines
Deal found 6/5$511
Sat 6/296:22 pmSTL - BCN
3 stops57h 23mMultiple Airlines
Deal found 6/4$515
Wed 10/98:25 amSTL - BCN
1 stop16h 55mLufthansa
Deal found 6/5$517

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

Customize your flight search to find flights from St. Louis to Barcelona-El Prat that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$536 - $830

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/6

1 stop21h 00m

Barcelona-El Prat

Wed 11/20

2 stops32h 54m

$536

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 10/27

2 stops33h 25m

Barcelona-El Prat

Thu 11/7

2 stops31h 38m

$540

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 10/27

1 stop13h 49m

Barcelona-El Prat

Thu 11/7

1 stop19h 40m

$543

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/6

2 stops16h 27m

Barcelona-El Prat

Wed 11/20

2 stops16h 31m

$557

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/6

1 stop16h 45m

Barcelona-El Prat

Wed 11/20

1 stop14h 05m

$565

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 6/17

2 stops17h 05m

Barcelona-El Prat

Wed 7/3

2 stops29h 15m

$694

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Mon 7/29

1 stop15h 59m

Barcelona-El Prat

Wed 8/14

2 stops18h 37m

$697

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 8/23

2 stops16h 20m

Barcelona-El Prat

Sat 8/31

2 stops15h 43m

$820

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sat 10/5

1 stop32h 30m

Barcelona-El Prat

Sun 10/13

1 stop13h 40m

$830

Flights are sorted by cheapest first

Deals found on 6/5

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Barcelona-El Prat. Price data was last updated on May 31, 2024.
The best time to book flights from St. Louis to Barcelona-El Prat Airport is 3 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Barcelona-El Prat. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Barcelona-El Prat Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Barcelona-El Prat by month

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

BCN

Temperature

48.2 - 75.2 °F

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated June 6, 2024.
Read through reviews of airlines operating flights from St. Louis to Barcelona, such as Air Canada, KLM and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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
10,368 reviews
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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
1,489 reviews
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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
718 reviews
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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
10,696 reviews
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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
14,227 reviews
8.0
Very good
10,368 reviews

Entertainment

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Overall

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-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Barcelona-El Prat?

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

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

    Yes, there are multiple flights from St. Louis to Barcelona-El Prat Airport for under $600. The cheapest flight booked recently is on United Airlines for just $536, but on average you can expect to pay $658.

  • Are there last-minute flights available from St. Louis to Barcelona-El Prat Airport for under $800?

    There are currently 20+ open flights from St. Louis to Barcelona-El Prat Airport within the next 7 days for less than $800.

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

    Our cheapest airline available from St. Louis to Barcelona-El Prat Airport is United Airlines. Our recent data shows that you can find tickets from as low as $536 on this airline. Additional options worth looking into are Air Canada and KLM, starting at $540 and $543 round-trip. United Airlines is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Barcelona-El Prat Airport one-way?

    One-way options have recently been found by users for as low as $517 on Lufthansa. Other airlines that offer cheap prices include Delta from $597 and United Airlines from $620 one-way.

  • What does STL to BCN mean?

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

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

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

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

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

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Barcelona-El Prat.

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

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

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Barcelona-El Prat Airport (average of $510). Flying from St. Louis to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Barcelona-El Prat
See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 9 airlines that operate flights from St. Louis to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$540Average$824FlexibilityNo cancel feeOn-time76%
KLMCheapest$550Average$892FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$588Average$1,045FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$886FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$631Average$971FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$669Average$844FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$687Average$1,214FlexibilityNo cancel feeOn-time69%
IberiaCheapest$706Average$1,079FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$734Average$1,059FlexibilityNo cancel feeOn-time67%

Search flights from St. Louis to Barcelona-El Prat by cabin class

Find flights from St. Louis to Barcelona-El Prat, based on your preferred cabin class, be it economy, premium economy, business, or first class.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.