Cheap flights from St Louis (STL) to Barcelona (BCN)

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The best prices from St Louis to Barcelona are usually found in February or November, booked 58 days in advance, depart on a Monday or Saturday and return on a Wednesday

How to find the cheapest flight from
St Louis (STL) to Barcelona (BCN)

All the information you need to plan the best STL to BCN flight in 2021: compare St Louis to Barcelona flight prices with the expected peak season, weather and rainfall in Barcelona.
STL - S37
Price
$673 - $1,475
S37
Temperature
57.2 - 84.2 °F
S37
Rainfall
0.9 - 3.3 inches

Popular in

July

High demand for flights, 29% potential price rise

Cheapest in

February

Best time to find cheap flights, 36% potential price drop

Round-trip from

$673

From St Louis to Barcelona

One-way from

$630

One-way flight from St Louis to Barcelona

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Barcelona?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 40% on the overall cost on flights from St Louis to Barcelona.

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

Find a great deal and save up to 20% by booking at least 35 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St Louis to Barcelona within the next two weeks, with the cheapest ticket starting at $801.

What is the cheapest month to fly from St Louis to Barcelona?

The best pricing can be found in the month of November. Prices to Barcelona from St Louis average $804. You can even find prices in November for less than $804, as users have found deals to Barcelona from as low as $455. The month of June appears to be one of the more expensive times to travel to Barcelona from St Louis. Flying in the targeted month can save you up to 22%.

When is the cheapest time to fly from St Louis to Barcelona (STL - S37)?

One of the essential ways to save on airfare from St Louis to Barcelona is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

Cheap flights from St Louis to Barcelona in May, June 2021

The best prices found for STL to BCN flights for May, June
2 Jun - 16 Jun
$658pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
29 May - 16 Jun
$673pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
2 Jun - 14 Jun
$680pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Barcelona 2021 flight deals

Cheap flights to Barcelona from St Louis found for this year
2 Jun - 16 Jun
$658pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
29 May - 16 Jun
$673pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
2 Jun - 14 Jun
$680pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St Louis to Barcelona

Late deals on round-trip flights to Barcelona from St Louis, departing today and this week
17 May - 24 May
$1,516pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
17 May - 24 May
$1,546pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
 
1 STOP
STL
Lambert-St Louis
17 May - 24 May
$1,549pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
 
1 STOP
STL
Lambert-St Louis

One-way flights to Barcelona from St Louis

The cheapest one-way flights from St Louis to Barcelona
11:26 am - 5:00 am
Multiple Airlines
2 Stops
34h 34m
STL - BCN
Multiple Airlines
$669
Kiwi.com
2:00 am - 5:10 am
American Airlines
1 Stop
20h 10m
STL - BCN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St Louis</span> to <span class="emphasized">Barcelona</span> flights.

Flight FAQs

From St Louis to Barcelona

Are flight prices decreasing from St Louis to Barcelona due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Barcelona for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Lambert-St Louis to Barcelona have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to Barcelona have new flexible policies in place due to COVID-19. American Airlines, Air Canada, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

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 12 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 Multiple Airlines for just $658, but on average you can expect to pay $753.

Are there nonstop flights from St Louis to Barcelona for under $700 on Cheapflights?

There are no nonstop flights from St Louis to Barcelona, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Barcelona for under $1,600?

There are currently 4+ open flights from St Louis to Barcelona within the next 7 days for less than $1,600.

Is St Louis weather warmer or cooler than Barcelona?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Barcelona is typically colder than in St Louis. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

What are the cheapest airlines to fly from St Louis to Barcelona one-way?

The cheapest airline one-way is Iberia, with whom users have recently found tickets for as low as $630. However, be on the lookout for offers from American Airlines and Lufthansa, as they are both options that can get you from St Louis to Barcelona for a low price.

Related searches

Flights to Barcelona from St Louis
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Destination information for Barcelona

Things to know before you go - useful duration and weather info for your trip from St Louis to Barcelona.
Today's exchange rate
$1 = €0.83
Average temperature for May in Barcelona
71.6 °F
Avg rainfall for May in Barcelona
1.9 ″

Airports servicing St. Louis

Airports servicing Barcelona

Gerona (GRO)
Reus (REU)

Top 9 airlines flying from St Louis to Barcelona

The chart below displays the airlines Cheapflights users traveling from St Louis to Barcelona choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Finnair
$655 $663 No cancel fee 76%
Iberia
$536 $794 No cancel fee 77%
Delta
$498 $1,000 No cancel fee N/A
Lufthansa
$494 $1,002 No cancel fee 76%
Air Canada
$521 $1,093 No cancel fee 67%
British Airways
$519 $1,215 No cancel fee 70%
Aer Lingus
$717 $1,235 No cancel fee N/A
United Airlines
$595 $1,287 No cancel fee 69%
American Airlines
$609 $1,316 No cancel fee 71%
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