$581+ Cheap flights from St. Louis (STL) to Barcelona-El Prat (BCN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Barcelona-El Prat with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Barcelona-El Prat
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Barcelona-El PratExplore the most affordable flight options available from St. Louis to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from St. Louis to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Rumbo deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop11h 09m
Wed 12/910:35 am -
2 stops36h 49m
Deal found 10/23![Virgin Atlantic logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:00 am -
1 stop18h 00m
Wed 12/91:35 pm -
2 stops39h 40m
Deal found 10/23![United Airlines logo]()
$745
This KLM deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop11h 09m
Wed 12/910:50 am -
1 stop14h 23m
Deal found 10/23![KLM logo]()
$746
This United deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 am -
1 stop21h 45m
Wed 12/96:50 am -
1 stop13h 55m
Deal found 10/23![Multiple Airlines logo]()
$752
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:50 pm -
2 stops31h 45m
Wed 12/91:35 pm -
2 stops40h 24m
Deal found 10/23![Air Canada logo]()
$753
This KLM deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:36 pm -
1 stop13h 04m
Tue 12/1510:50 am -
1 stop20h 15m
Deal found 10/24![KLM logo]()
$755
This Air France deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:17 pm -
2 stops13h 53m
Tue 12/1510:50 am -
1 stop14h 23m
Deal found 10/24![Air France logo]()
$758
This Air Canada deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/810:50 am -
2 stops15h 45m
Tue 12/1512:55 pm -
2 stops33h 31m
Deal found 10/24![Multiple Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:05 am -
1 stop14h 15m
Mon 12/141:50 pm -
2 stops36h 40m
Deal found 10/23![United Airlines logo]()
$794
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:50 pm -
2 stops31h 45m
Wed 11/181:35 pm -
2 stops33h 08m
Deal found 10/22![Air Canada logo]()
$798
Best flights from St. Louis to Barcelona-El PratDiscover carefully curated flight deals from St. Louis to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from St. Louis to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:00 am -
1 stop18h 00m
Wed 12/91:35 pm -
2 stops39h 40m
Deal found 10/23![United Airlines logo]()
$745
This Cheapflightsfares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/243:40 pm -
1 stop14h 20m
Fri 1/295:55 am -
1 stop14h 50m
Deal found 10/25![Lufthansa logo]()
$762
This Virgin Atlantic deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:33 pm -
1 stop11h 07m
Thu 12/1710:50 am -
1 stop20h 15m
Deal found 10/26![Virgin Atlantic logo]()
$805
This KLM deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:05 am -
2 stops15h 30m
Thu 11/2610:35 am -
2 stops16h 34m
Deal found 10/25![KLM logo]()
$809
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/249:05 am -
2 stops17h 30m
Fri 1/296:50 am -
1 stop13h 55m
Deal found 10/26![United Airlines logo]()
$779
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:17 pm -
1 stop12h 43m
Thu 12/171:15 pm -
2 stops28h 27m
Deal found 10/26![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:05 am -
1 stop14h 15m
Mon 12/1410:30 am -
1 stop16h 00m
Deal found 10/23![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:50 pm -
2 stops31h 45m
Tue 11/173:10 pm -
1 stop13h 30m
Deal found 10/26![United Airlines logo]()
$818
Last-minute flights from St. Louis to Barcelona-El PratDiscover last-minute flight deals from St. Louis to Barcelona-El Prat. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Barcelona-El Prat. Data last updated October 26, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:50 pm -
2 stops31h 45m
Wed 11/181:35 pm -
2 stops33h 08m
Deal found 10/22![Air Canada logo]()
$798
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:40 am -
2 stops16h 20m
Wed 11/186:50 am -
1 stop13h 55m
Deal found 10/22![United Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 am -
1 stop18h 00m
Fri 11/206:50 am -
1 stop13h 55m
Deal found 10/22![United Airlines logo]()
$802
This Lufthansa deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 pm -
2 stops15h 45m
Wed 11/186:50 am -
1 stop13h 55m
Deal found 10/22![Lufthansa logo]()
$804
This Iberia deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:29 am -
1 stop17h 21m
Thu 11/193:50 pm -
1 stop25h 17m
Deal found 10/22![Multiple Airlines logo]()
$805
This KLM deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:05 am -
2 stops15h 30m
Thu 11/2610:35 am -
2 stops16h 34m
Deal found 10/25![KLM logo]()
$809
This Rumbo deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop11h 09m
Wed 12/910:35 am -
2 stops36h 49m
Deal found 10/23![Virgin Atlantic logo]()
$728
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:00 am -
1 stop18h 00m
Wed 12/91:35 pm -
2 stops39h 40m
Deal found 10/23![United Airlines logo]()
$745
This KLM deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:31 pm -
1 stop11h 09m
Wed 12/910:50 am -
1 stop14h 23m
Deal found 10/23![KLM logo]()
$746
This United deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 am -
1 stop21h 45m
Wed 12/96:50 am -
1 stop13h 55m
Deal found 10/23![Multiple Airlines logo]()
$752
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:50 pm -
2 stops31h 45m
Wed 12/91:35 pm -
2 stops40h 24m
Deal found 10/23![Air Canada logo]()
$753
One-way flights from St. Louis to Barcelona-El PratSearch for one-way flight options from St. Louis to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from St. Louis to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:29 pm -
2 stops34h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Aer Lingus logo]()
$581
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:40 pm -
1 stop19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Lufthansa logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:35 pm -
3 stops51h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$591
This Globehunters deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:29 am -
1 stop13h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Lufthansa logo]()
$3,417
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:20 pm -
2 stops16h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Iberia logo]()
$4,235
This Cathay Pacific deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 pm -
3 stops45h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$26,252
Find 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 October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $728 (Rumbo) |
One-way from | $581 (FlightHub) |
Popular in | June |
Cheapest in | April |
Average price | $977 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from St. Louis to Barcelona-El Prat Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 11/1
5:29 pm-10:50 am
2 stops34h 21m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$581
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 11/1
3:40 pm-5:40 pm
1 stop19h 00m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$585
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 11/1
1:35 pm-11:45 pm
3 stops51h 10m
Barcelona-El Prat
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$591
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Mon 11/23
8:00 am-9:00 am
1 stop18h 00m
Barcelona-El Prat
Wed 12/9
1:35 pm-10:15 pm
2 stops39h 40m
$745
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 1/24
3:40 pm-1:00 pm
1 stop14h 20m
Barcelona-El Prat
Fri 1/29
5:55 am-1:45 pm
1 stop14h 50m
$762
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Sun 1/24
9:05 am-9:35 am
2 stops17h 30m
Barcelona-El Prat
Fri 1/29
6:50 am-1:45 pm
1 stop13h 55m
$779
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Thu 12/10
1:17 pm-9:00 am
1 stop12h 43m
Barcelona-El Prat
Thu 12/17
1:15 pm-10:42 am
2 stops28h 27m
$799
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Thu 12/10
2:33 pm-8:40 am
1 stop11h 07m
Barcelona-El Prat
Thu 12/17
10:50 am-12:05 am
1 stop20h 15m
$805
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Wed 11/11
10:05 am-8:35 am
2 stops15h 30m
Barcelona-El Prat
Thu 11/26
10:35 am-8:09 pm
2 stops16h 34m
$809
St. LouisBarcelona
STL Lambert-St Louis - BCN Barcelona-El Prat
STLBCN
Lambert-St Louis
Mon 12/7
11:05 am-8:20 am
1 stop14h 15m
Barcelona-El Prat
Mon 12/14
10:30 am-7:30 pm
1 stop16h 00m
$815
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Barcelona-El Prat
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Barcelona-El Prat in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Barcelona-El Prat Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Barcelona-El Prat Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
STL-BCN
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Barcelona-El Prat Airport
How far ahead should I book a flight from St. Louis to Barcelona-El Prat Airport?
The best time to book flights from St. Louis to Barcelona-El Prat Airport is 23 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.
What is the cheapest month to book a flight from St. Louis to Barcelona-El Prat Airport?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Barcelona-El Prat Airport (average of $634). Flying from St. Louis to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,510). 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.
How much does it cost to fly round-trip from St. Louis to Barcelona-El Prat Airport?
Airfare is typical for this route at the moment.
St. Louis to Barcelona-El Prat Airport flights typically cost between $722 and $902 in November.The cheapest round-trip price found within the last 5 days was $728 on Virgin Atlantic (Nov 23-Dec 9).
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 October 26, 2026.
Peruse reviews from past customers who have flown with United Airlines,Air Canada, andAmerican Airlines from St. Louis to Barcelona-El Prat Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Crew
8.1
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsRoses
Calella
Badalona
El Prat de Llobregat
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Alternative routes for St. Louis to Barcelona-El Prat
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Other flights to Barcelona-El Prat
Explore flights to Barcelona-El Prat departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
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St. Louis and Barcelona-El Prat flights
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Top 7 airlines flying from St. Louis to Barcelona-El Prat
Discover the top 7 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$510 | Average$1,052 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$540 | Average$1,036 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$574 | Average$981 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$580 | Average$1,052 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$585 | Average$778 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$648 | Average$1,135 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$703 | Average$1,037 | FlexibilityNo cancel fee | On-time77% |