Cheap flights from Lambert-St Louis Intl (STL) to Barcelona (BCN)

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The best prices from Lambert-St Louis Intl 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
Lambert-St Louis Intl (STL) to Barcelona (BCN)

All the information you need to plan the best STL to BCN flight in 2021: compare Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona

One-way from

$630

One-way flight from Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona?

Sunday is generally a great day to depart. Flying on this day could help you save up to 40%.

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

Travelers have found it’s best to book a flight 35 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Lambert-St Louis Intl to Barcelona 1-2 weeks in advance for as low as $801, or $850 for flights within the next 24 hours.

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

November is one of the best times of the year to fly to Barcelona from Lambert-St Louis Intl. Prices for November average $804 per person but you can even find prices for as low as $455. The most expensive prices can be found in the month of June. Opting for a November flight can save you 22% on your journey compared to booking in November

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

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Lambert-St Louis Intl to Barcelona by exploring options for tickets in the morning.

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

The best prices found for STL to BCN flights for May, June
13 Jun - 19 Jun
$708pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
13 Jun - 19 Jun
$730pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
23 Jun - 7 Jul
$775pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Lambert-St Louis Intl to Barcelona 2021 flight deals

Cheap flights to Barcelona from Lambert-St Louis Intl found for this year
13 Jun - 19 Jun
$708pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
13 Jun - 19 Jun
$730pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
23 Jun - 7 Jul
$775pp
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Last minute flights from Lambert-St Louis Intl to Barcelona

Late deals on round-trip flights to Barcelona from Lambert-St Louis Intl, 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 Lambert-St Louis Intl

The cheapest one-way flights from Lambert-St Louis Intl to Barcelona
1:50 am - 5:10 am
Iberia
1 Stop
20h 20m
STL - BCN
Iberia
$630
SnapTravelAir
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">Lambert-St Louis Intl</span> to <span class="emphasized">Barcelona</span> flights.

Flight FAQs

From Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona for under $700 on Cheapflights?

Yes, there are multiple flights from Lambert-St Louis Intl 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 $755.

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

There are no nonstop flights from Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona for under $1,600?

There are currently 4+ open flights from Lambert-St Louis Intl 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 Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona for a low price.

Destination information for Barcelona

Things to know before you go - useful duration and weather info for your trip from Lambert-St Louis Intl 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 Lambert-St Louis Intl to Barcelona

The chart below displays the airlines Cheapflights users traveling from Lambert-St Louis Intl 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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