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Salou

$242+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Salou are usually found in February or November, booked 10 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from St. Louis to Salou

Cheapest flights from St. Louis to Salou
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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:35 pmSTL - BCN
2 stops16h 10mMultiple Airlines
Thu 12/251:35 pmBCN - STL
2 stops31h 51mMultiple Airlines
Deal found 12/17$1,016
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Tue 12/236:35 pmSTL - BCN
2 stops38h 55mBritish Airways
Tue 1/62:40 pmBCN - STL
2 stops39h 04mBritish Airways
Deal found 12/15$1,358
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:05 pmSTL - BCN
1 stop12h 15mLufthansa
Thu 12/2511:00 amBCN - STL
1 stop19h 43mLufthansa
Deal found 12/17$1,395
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/238:15 amSTL - BCN
1 stop17h 05mUnited Airlines
Tue 1/66:45 amBCN - STL
2 stops24h 14mUnited Airlines
Deal found 12/15$1,601
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/296:30 amSTL - BCN
2 stops20h 05mUnited Airlines
Sun 1/49:55 amBCN - STL
2 stops34h 25mUnited Airlines
Deal found 12/15$1,728
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:16 pmSTL - BCN
2 stops19h 59mBritish Airways
Mon 12/229:00 pmBCN - STL
2 stops26h 46mBritish Airways
Deal found 12/16$1,750
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 12/263:10 pmSTL - BCN
2 stops21h 40mUnited Airlines
Fri 1/29:55 amBCN - STL
2 stops37h 32mUnited Airlines
Deal found 12/15$1,903
This Finnair deal was found by Cheapflights users on 12/15. 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.
Tue 12/231:59 pmSTL - BCN
1 stop12h 01mMultiple Airlines
Tue 1/611:00 amBCN - STL
1 stop19h 59mMultiple Airlines
Deal found 12/15$1,921
This Finnair deal was found by Cheapflights users on 12/15. 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 12/295:30 amSTL - BCN
1 stop20h 30mMultiple Airlines
Sun 1/411:00 amBCN - STL
1 stop18h 35mMultiple Airlines
Deal found 12/15$1,924
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/233:10 pmSTL - BCN
2 stops35h 25mUnited Airlines
Sat 1/311:55 amBCN - STL
2 stops36h 59mUnited Airlines
Deal found 12/15$1,927
This Finnair deal was found by Cheapflights users on 12/15. 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.
Fri 12/261:59 pmSTL - BCN
1 stop12h 01mMultiple Airlines
Fri 1/211:00 amBCN - STL
1 stop18h 35mMultiple Airlines
Deal found 12/15$1,953

Find 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 December 18, 2025.

Round-trip from

$452
(Kiwi.com)

One-way from

$242
(oojo)

Popular in

June

Cheapest in

February

Average price

$835
From Lambert-St Louis to Salou
Search Deals
One-way flight from Lambert-St Louis to Salou
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/28

6:44 pm-4:30 pm

2 stops14h 46m

Barcelona-El Prat

Fri 2/6

12:30 pm-10:44 pm

1 stop17h 14m

$473

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 1/15

12:11 pm-2:45 pm

2 stops19h 34m

Barcelona-El Prat

Sun 2/1

6:40 am-11:12 pm

2 stops23h 32m

$482

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 2/1

6:00 am-9:00 am

1 stop20h 00m

Barcelona-El Prat

Tue 2/17

11:00 am-10:05 pm

1 stop18h 05m

$484

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 2/4

10:10 am-9:35 am

2 stops16h 25m

Barcelona-El Prat

Sun 2/8

5:50 am-9:13 pm

2 stops22h 23m

$492

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 1/14

7:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Sun 1/18

11:00 am-9:13 pm

2 stops17h 13m

$492

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 3/19

7:41 am-8:35 am

2 stops18h 54m

Barcelona-El Prat

Wed 3/25

10:30 am-10:27 am

1 stop29h 57m

$493

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sun 3/15

5:15 pm-7:00 am

1 stop31h 45m

Barcelona-El Prat

Wed 3/25

1:00 pm-11:36 am

2 stops28h 36m

$496

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 1/30

6:40 pm-5:35 pm

2 stops15h 55m

Barcelona-El Prat

Fri 2/6

6:45 am-7:27 pm

2 stops19h 42m

$498

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 3/20

4:50 pm-4:20 pm

1 stop17h 30m

Barcelona-El Prat

Wed 3/25

12:35 pm-10:59 pm

2 stops16h 24m

$503

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 3/17

11:22 am-6:05 am

1 stop12h 43m

Barcelona-El Prat

Tue 3/31

2:00 pm-11:04 pm

1 stop16h 04m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

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 December 12, 2025.

The best time to book flights from St. Louis to Salou is 10 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, January is the cheapest month in which you can book a flight from St. Louis to Salou (average of $513). Flying from St. Louis to Salou in June is currently the most expensive (average of $1,094). 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 December 18, 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.

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 December 18, 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.
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,055 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Air Canada
7.1
Good
10,534 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
Iberia
7.0
Good
3,053 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
British Airways
6.7
Okay
7,585 reviews
United Airlines
7.4
Good
9,092 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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.

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

    If you book a flight to Salou 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 Salou per day from 8 different airlines.

  • How long is the flight from St. Louis to Salou?

    Airlines like British Airways and United Airlines fly from St. Louis to Salou in about 14h 46m. The time it takes to get you to your destination can typically vary by up to 1h 39m. St. Louis and Salou are separated by a distance of 4638 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $450. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from St. Louis to Salou for a low price.

  • Can I find deals for flights from St. Louis to Salou that include hotel bookings?

    Yes. In addition to deals on St. Louis to Salou flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Salou?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Salou.

  • Can I find deals for business class flights from St. Louis to Salou?

    Yes. Cheapflights offers flight deals from St. Louis to Salou by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Salou?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Salou (average of $513). Flying from St. Louis to Salou in June is currently the most expensive (average of $1,094). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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.
St. Louis to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
Springfield to Barcelona-El Prat flights
Joplin to Barcelona-El Prat flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$552Average$1,010FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$567Average$996FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$568Average$930FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$589Average$931FlexibilityNo cancel feeOn-time70%
KLMCheapest$590Average$782FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$624Average$1,226FlexibilityNo cancel feeOn-time67%
IberiaCheapest$631Average$972FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$632Average$1,092FlexibilityNo cancel feeOn-time71%

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