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

United Airlines, at $770, was found to be the cheapest airline from St. Louis to Barcelona.Alternate airlines to your destination round-trip include American Airlines and Air Canada. You may be able to fly from St. Louis to Barcelona for 13% 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 Finnair ($527), American Airlines ($601), and Delta ($1,179).

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

Before booking your flight from St. Louis to Barcelona check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

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 United Airlines for just $770, but on average you can expect to pay $936.

Are there last-minute flights available from St. Louis to Barcelona for under $1,300?

There are currently 18+ open flights from St. Louis to Barcelona within the next 7 days for less than $1,300.

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, British Airways, 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 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 $886 for the month, but tickets can be as low as $523. Due to multiple factors, prepare for potentially higher prices in July.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Barcelona as you normally would.

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 8 different airlines.

Flights from St. Louis, MO to Barcelona, Spain from $346

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

Popular in	July
Cheapest in	January
Average price	$1,119
Round-trip from	$519

High demand for flights, 26% potential price rise

Search Deals

Best time to find cheap flights, 30% potential price drop

Search Deals

Average for round-trip flights in June 2023

Search Deals

From Lambert-St Louis to Barcelona

Search Deals

STL - BCN Price	$519 - $1,201
BCN Temperature	48.2 - 75.2 °F
BCN Rainfall	0.8 - 3.6 inches

STL - BCN

Price

$519 - $1,201

BCN

Temperature

48.2 - 75.2 °F

BCN

Rainfall

0.8 - 3.6 inches

Users have found that booking a flight from St. Louis to Barcelona at least 61 days early can save you up to 116% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St. Louis to Barcelona for as little as $1,434 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,201 for flights departing within the next 3 days.

Cheap flights from St. Louis to Barcelona in June, July 2023

The lowest fares we've come across on flights traveling from St. Louis to Barcelona in June and July 2023. More deals are always being added, so be sure to check back regularly.

Jul 11 - Aug 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

57h 45m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

39h 55m

$967

Multiple Airlines

Deal found 5/31

Jul 11 - Aug 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

21h 10m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

39h 55m

$972

Multiple Airlines

Deal found 5/31

Jul 11 - Aug 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

21h 10m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

37h 05m

$1,114

Multiple Airlines

Deal found 5/31

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

16h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

17h 55m

$1,207

British Airways

Deal found 6/1

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

18h 45m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

15h 28m

$1,208

American Airlines

Deal found 6/1

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

11h 25m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

21h 17m

$1,210

American Airlines

Deal found 6/1

Jun 27 - Jul 5

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

46h 10m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

56h 12m

$1,211

Multiple Airlines

Deal found 5/31

Jun 11 - Jun 17

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

57h 10m

$1,229

Multiple Airlines

Deal found 6/1

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

21h 10m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

40h 35m

$1,241

Multiple Airlines

Deal found 6/1

St. Louis to Barcelona 2023 flight deals

The lowest fares we've come across on flights traveling from St. Louis to Barcelona in June and July 2023. More deals are always being added, so be sure to check back regularly.

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

18h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

33h 50m

$770

United Airlines

Deal found 5/31

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

19h 40m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 49m

$786

American Airlines

Deal found 5/31

Nov 19 - Nov 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

31h 32m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 34m

$840

American Airlines

Deal found 5/31

Oct 5 - Oct 13

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

17h 45m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

28h 13m

$841

American Airlines

Deal found 6/1

Nov 19 - Nov 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

29h 59m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 34m

$842

American Airlines

Deal found 5/31

Oct 5 - Oct 13

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

16h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 22m

$852

Air Canada

Deal found 6/1

Oct 5 - Oct 13

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

33h 05m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

29h 36m

$853

United Airlines

Deal found 6/1

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

17h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

19h 00m

$867

United Airlines

Deal found 5/31

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

15h 55m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

16h 01m

$880

Iberia

Deal found 5/31

Cheap United Airlines flights from St. Louis to Barcelona

Take a peek at the cheapest United 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.

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

18h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

33h 50m

$770

United Airlines

Deal found 5/31

Oct 5 - Oct 13

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

33h 05m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

29h 36m

$853

United Airlines

Deal found 6/1

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

17h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

19h 00m

$867

United Airlines

Deal found 5/31

Aug 9 - Aug 16

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

19h 40m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 29m

$1,191

United Airlines

Deal found 5/31

Aug 9 - Aug 16

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

23h 15m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

29h 36m

$1,193

United Airlines

Deal found 5/31

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

40h 25m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

16h 27m

$2,191

United Airlines

Deal found 5/31

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

32h 28m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

16h 27m

$2,206

United Airlines

Deal found 5/31

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

20h 09m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

17h 57m

$2,241

United Airlines

Deal found 6/1

Jun 11 - Jun 17

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

40h 25m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

37h 32m

$2,324

United Airlines

Deal found 6/1

Cheap American Airlines flights from St. Louis to Barcelona

Some of the best deals we've found on American Airlines flights traveling from St. Louis to Barcelona. Ensure the flight price, dates, time, and airline match your criteria before you book.

Nov 10 - Nov 20

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

19h 40m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 49m

$786

American Airlines

Deal found 5/31

Nov 19 - Nov 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

31h 32m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 34m

$840

American Airlines

Deal found 5/31

Oct 5 - Oct 13

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

17h 45m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

28h 13m

$841

American Airlines

Deal found 6/1

Nov 19 - Nov 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

29h 59m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 34m

$842

American Airlines

Deal found 5/31

Aug 29 - Sep 29

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

16h 50m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

16h 39m

$1,082

American Airlines

Deal found 5/31

Aug 31 - Sep 29

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

17h 40m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

1 stop

21h 16m

$1,132

American Airlines

Deal found 5/31

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

18h 45m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

15h 28m

$1,208

American Airlines

Deal found 6/1

Jul 11 - Jul 26

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

11h 25m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

21h 17m

$1,210

American Airlines

Deal found 6/1

Last minute flights from St. Louis to Barcelona

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.

Jun 11 - Jun 17

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

57h 10m

$1,229

Multiple Airlines

Deal found 6/1

Jun 11 - Jun 17

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

39h 33m

$1,305

Multiple Airlines

Deal found 6/1

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

45h 53m

$1,380

Multiple Airlines

Deal found 6/1

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

33h 48m

$1,410

Multiple Airlines

Deal found 5/31

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

24h 08m

$1,412

Multiple Airlines

Deal found 6/1

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 20m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

24h 08m

$1,419

Multiple Airlines

Deal found 5/31

Jun 6 - Jun 23

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

49h 18m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

3 stops

42h 43m

$1,437

Multiple Airlines

Deal found 5/31

Jun 6 - Jun 23

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

49h 18m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

31h 43m

$1,618

Multiple Airlines

Deal found 5/31

Jun 11 - Jun 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

40h 25m

BCN

Barcelona-El Prat

STL

Lambert-St Louis

2 stops

16h 27m

$2,191

United Airlines

Deal found 5/31

One-way flights to Barcelona from St. Louis

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.

Sep 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

49h 43m

$346

Multiple Airlines

Deal found 6/1

Sep 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

37h 47m

$369

Multiple Airlines

Deal found 6/1

Sep 7

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

48h 36m

$415

Multiple Airlines

Deal found 5/31

Sep 24

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

15h 40m

$466

Multiple Airlines

Deal found 6/1

Sep 7

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

29h 12m

$485

Multiple Airlines

Deal found 5/31

Jul 12

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

32h 03m

$491

Multiple Airlines

Deal found 5/31

Nov 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

2 stops

25h 39m

$527

Finnair

Deal found 5/31

Jul 12

STL

Lambert-St Louis

BCN

Barcelona-El Prat

3 stops

29h 21m

$546

Multiple Airlines

Deal found 5/31

Nov 21

STL

Lambert-St Louis

BCN

Barcelona-El Prat

1 stop

19h 16m

$601

American Airlines

Deal found 5/31

Find flights from St. Louis to Barcelona within your budget

Fly from

Fly to

Budget

$770 - $1,207

Route

Depart

Return

Price

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 11/10

2 stops18h 50m

Barcelona-El Prat

Mon 11/20

2 stops33h 50m

$770

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 11/10

1 stop19h 40m

Barcelona-El Prat

Mon 11/20

2 stops31h 49m

$786

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 11/19

2 stops31h 32m

Barcelona-El Prat

Sun 11/26

2 stops31h 34m

$840

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 10/5

2 stops16h 20m

Barcelona-El Prat

Fri 10/13

2 stops31h 22m

$852

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Thu 10/5

1 stop33h 05m

Barcelona-El Prat

Fri 10/13

1 stop29h 36m

$853

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Fri 11/10

1 stop15h 55m

Barcelona-El Prat

Mon 11/20

1 stop16h 01m

$880

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Sun 11/19

1 stop18h 50m

Barcelona-El Prat

Sun 11/26

1 stop14h 05m

$886

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 7/11

3 stops57h 45m

Barcelona-El Prat

Thu 8/24

3 stops39h 55m

$967

Pick Dates

Lambert-St LouisBarcelona-El Prat

STL - BCN

STLBCN

Lambert-St Louis

Tue 7/11

1 stop16h 50m

Barcelona-El Prat

Wed 7/26

1 stop17h 55m

$1,207

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing Barcelona

Peruse reviews from past customers who have flown with United Airlines, American Airlines and Air Canada 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.

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Delta

8.0

Very good

2,369 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

United Airlines

7.6

Good

1,533 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Finnair

7.5

Good

277 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

American Airlines

7.3

Good

2,149 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Iberia

7.1

Good

582 reviews

Delta

8.0

Very good

2,369 reviews

Check prices

Reviews

1 / 10

To board the plane you have to ride a bus. Very inconvenient and too much walking.

Related info for your journey

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.

Top 8 airlines flying from St. Louis to Barcelona

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Lufthansa	Cheapest$493	Average$859	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Lufthansa flights
Delta	Cheapest$522	Average$804	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
Air Canada	Cheapest$617	Average$1,085	FlexibilityNo cancel fee	On-time67%	COVID-19 safety	Search Air Canada flights
United Airlines	Cheapest$643	Average$1,472	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
KLM	Cheapest$646	Average$1,567	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search KLM flights
American Airlines	Cheapest$653	Average$1,059	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Iberia	Cheapest$655	Average$1,120	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Iberia flights
British Airways	Cheapest$715	Average$1,001	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search British Airways flights

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Cheap flights from St. Louis (STL) to Barcelona from $346

This is the cheapest one-way flight price, found on 6/1. Prices may vary by date and flight preferences.

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

All the information you need to plan the best STL to S37 flight in 2023: compare St. Louis to Barcelona flight prices with the expected peak season, weather and rainfall in Barcelona.

Popular in

Cheapest in

Average price

Round-trip from

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

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

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

Cheap flights from St. Louis to Barcelona in June, July 2023

The best prices found for STL to Barcelona flights for June, July

The lowest fares we've come across on flights traveling from St. Louis to Barcelona in June and July 2023. More deals are always being added, so be sure to check back regularly.

St. Louis to Barcelona 2023 flight deals

Cheap flights to Barcelona from St. Louis found for this year

The lowest fares we've come across on flights traveling from St. Louis to Barcelona in June and July 2023. More deals are always being added, so be sure to check back regularly.

Cheap United Airlines flights from St. Louis to Barcelona

Take a peek at the cheapest United 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.

Cheap American Airlines flights from St. Louis to Barcelona

Some of the best deals we've found on American Airlines flights traveling from St. Louis to Barcelona. Ensure the flight price, dates, time, and airline match your criteria before you book.

Last minute flights from St. Louis to Barcelona

Late deals on return flights to Barcelona from St. Louis, departing today and this week

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.

One-way flights to Barcelona from St. Louis

The cheapest one-way flights from St. Louis to Barcelona

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.

Find flights from St. Louis to Barcelona within your budget

Use the slider to find flights from St. Louis to Barcelona that fit your budget.

Reviews of Airlines Servicing Barcelona

Peruse reviews from past customers who have flown with United Airlines, American Airlines and Air Canada 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.

Related info for your journey

Useful info, stats and facts about St. Louis to Barcelona flights.

What airport do you fly from for flights from St. Louis to Barcelona?

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

Can I find flights from St. Louis to Barcelona for under $800 on Cheapflights?

Are there last-minute flights available from St. Louis to Barcelona for under $1,300?

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

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

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

What does STL to BCN mean?

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Top 8 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.

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