$386+ Cheap flights from St. Louis (STL) to Salou, Spain
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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Nov 29 — Dec 61
1 adult, Economy
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Find cheap flights from St. Louis to Salou 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.Cheapflights Tip: The best prices from Lambert-St Louis to Salou are usually found in February or November, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Monday
Cheap flight deals from St. Louis to Salou
Keep the following information in mind while searching for St. Louis to Salou flight deals. Data was last updated October 30, 2025.
Round-trip from | $433 (Kiwi.com) |
|---|---|
One-way from | $386 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $745 |
Find flight deals from St. Louis to Salou
Cheapest flights from St. Louis to SalouExplore the most affordable flight options available from St. Louis to Salou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
Explore the most affordable flight options available from St. Louis to Salou. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/106:43 pmSTL - BCN
2 stops16h 02mLufthansa
Wed 11/266:50 amBCN - STL
1 stop14h 05mLufthansa
Deal found 10/29![Lufthansa logo]()
$433
This Flighttix deal was found by Cheapflights users on 10/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:05 amSTL - BCN
1 stop18h 35mVirgin Atlantic
Thu 12/1110:15 amBCN - STL
2 stops20h 27mVirgin Atlantic
Deal found 10/30![Virgin Atlantic logo]()
$440
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:17 pmSTL - BCN
2 stops16h 48mDelta
Thu 12/410:55 amBCN - STL
1 stop17h 07mDelta
Deal found 10/30![Delta logo]()
$453
This Flighttix deal was found by Cheapflights users on 10/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:00 amSTL - BCN
2 stops16h 35mAir Canada
Thu 12/111:35 pmBCN - STL
2 stops29h 40mAir Canada
Deal found 10/30![Air Canada logo]()
$460
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/2710:00 amSTL - BCN
1 stop20h 10mUnited Airlines
Thu 12/111:35 pmBCN - STL
2 stops31h 48mUnited Airlines
Deal found 10/30![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:39 amSTL - BCN
2 stops15h 46mDelta
Thu 12/410:55 amBCN - STL
1 stop14h 01mDelta
Deal found 10/30![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/36:43 pmSTL - BCN
1 stop11h 27mUnited Airlines
Wed 11/196:50 amBCN - STL
1 stop14h 05mUnited Airlines
Deal found 10/30![United Airlines logo]()
$471
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 amSTL - BCN
1 stop20h 00mMultiple Airlines
Wed 11/1912:30 pmBCN - STL
2 stops17h 37mMultiple Airlines
Deal found 10/30![Multiple Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/103:14 pmSTL - BCN
1 stop14h 56mUnited Airlines
Wed 11/266:50 amBCN - STL
1 stop14h 05mUnited Airlines
Deal found 10/28![United Airlines logo]()
$476
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Salou 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Salou that are best for you.
Fly from
St. Louis
Fly to
Salou
Route
Depart
Return
Price
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 11/19
11:39 am-10:25 am
2 stops15h 46m
Barcelona-El Prat
Thu 12/4
10:55 am-5:56 pm
1 stop14h 01m
$466
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Mon 11/3
6:43 pm-1:10 pm
1 stop11h 27m
Barcelona-El Prat
Wed 11/19
6:50 am-1:55 pm
1 stop14h 05m
$471
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 11/26
6:30 am-9:35 am
2 stops20h 05m
Barcelona-El Prat
Thu 12/4
1:35 pm-3:29 pm
2 stops32h 54m
$476
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 11/26
5:17 pm-5:05 pm
2 stops16h 48m
Barcelona-El Prat
Thu 12/4
6:00 am-5:10 pm
2 stops18h 10m
$480
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Wed 11/19
11:51 am-11:10 am
2 stops16h 19m
Barcelona-El Prat
Thu 12/4
12:30 pm-8:21 pm
1 stop14h 51m
$481
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Tue 1/6
6:40 pm-5:45 pm
2 stops40h 05m
Barcelona-El Prat
Tue 1/13
1:35 pm-5:43 pm
2 stops35h 08m
$481
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Tue 1/6
2:54 pm-1:40 pm
2 stops15h 46m
Barcelona-El Prat
Tue 1/13
10:40 am-7:29 pm
1 stop15h 49m
$481
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Sun 11/23
6:43 pm-9:35 am
2 stops31h 52m
Barcelona-El Prat
Tue 12/2
6:50 am-3:29 pm
2 stops39h 39m
$482
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Mon 11/24
10:00 am-9:35 am
2 stops16h 35m
Barcelona-El Prat
Tue 12/2
1:50 pm-3:29 pm
2 stops32h 39m
$482
St. LouisBarcelona
STL - BCN
STLBCN
Lambert-St Louis
Sun 11/9
6:43 pm-5:45 pm
2 stops16h 02m
$386
Showing 1-10 of 18 results
Best time to book a flight from St. Louis to Salou
Have a flexible travel schedule? Discover the best time to fly to Salou 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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Salou
How far ahead should I book a flight from St. Louis to Salou?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Salou. Price data was last updated on October 24, 2025.
The best time to book flights from St. Louis to Salou is 85 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 Salou?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Salou (average of $529). Flying from St. Louis to Salou in June is currently the most expensive (average of $1,095). 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.
What is the cheapest time of day to fly from STL to S9L?
Find hourly flight availability from St. Louis to Salou. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Salou in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.
How much does it cost to fly round-trip from St. Louis to Salou?
Reviews of airlines servicing Salou
Get insights into the airlines that provide service to Salou. 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 Salou. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Air Canada from St. Louis to Salou 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.
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Comfort
7.3
Entertainment
7.1
Food
6.6
Overall
7.4
Crew
8.1
Boarding
7.7
Reviews
1 / 20
2.0
MediocreSebrena,Oct 2025
IAH - RSW
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Salou. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Salou
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from St. Louis to Salou
Discover the top 8 airlines that operate flights from St. Louis to Salou. 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 2,558,603 searches. Data last updated October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$552 | Average$1,025 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$578 | Average$1,018 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$745 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$602 | Average$893 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$614 | Average$931 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$624 | Average$1,238 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$631 | Average$1,002 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$648 | Average$1,128 | FlexibilityNo cancel fee | On-time71% |