Salou

$318+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BCN
Jun 23 — Jun 301
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Salou are usually found in February or November, booked 24 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 June 18, 2025.

Round-trip from

$555
(CheapOair)

One-way from

$318
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,422
From Lambert-St Louis to Salou
One-way flight from Lambert-St Louis to Salou
Highest demand for flights based on searches. 22% potential increase in price ($284 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find 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 June 18, 2025.

This CheapOair deal was found by Cheapflights users on 6/18. 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.
Wed 10/11:30 pmSTL - BCN
1 stop11h 20mAir Canada
Fri 10/1012:10 pmBCN - STL
2 stops33h 17mAir Canada
Deal found 6/18$555
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:45 amSTL - BCN
2 stops19h 50mUnited Airlines
Wed 11/261:35 pmBCN - STL
2 stops34h 39mUnited Airlines
Deal found 6/16$560
This Lufthansa deal was found by Cheapflights users on 6/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:25 pmSTL - BCN
2 stops17h 40mLufthansa
Tue 10/285:50 amBCN - STL
2 stops23h 54mLufthansa
Deal found 6/17$609
This Iberia deal was found by Cheapflights users on 6/18. 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.
Sat 9/135:25 pmSTL - BCN
1 stop34h 05mIberia
Wed 10/112:20 pmBCN - STL
1 stop17h 30mIberia
Deal found 6/18$643
This Finnair deal was found by Cheapflights users on 6/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:49 pmSTL - BCN
1 stop11h 11mMultiple Airlines
Mon 11/101:30 pmBCN - STL
1 stop13h 46mMultiple Airlines
Deal found 6/16$682
This Austrian Airlines deal was found by Cheapflights users on 6/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:25 pmSTL - BCN
2 stops24h 25mAustrian Airlines
Mon 11/38:30 pmBCN - STL
2 stops34h 14mAustrian Airlines
Deal found 6/17$710
This Gurufare deal was found by Cheapflights users on 6/18. 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 9/113:57 pmSTL - BCN
1 stop11h 33mBritish Airways
Tue 9/302:00 pmBCN - STL
1 stop14h 06mBritish Airways
Deal found 6/18$721
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/19:16 amSTL - BCN
1 stop13h 44mDelta
Sat 9/202:10 pmBCN - STL
1 stop25h 39mDelta
Deal found 6/16$745
This Scandinavian Airlines deal was found by Cheapflights users on 6/17. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:36 pmSTL - BCN
2 stops19h 34mScandinavian Airlines
Mon 9/227:00 pmBCN - STL
2 stops33h 59mScandinavian Airlines
Deal found 6/17$747
This KLM deal was found by Cheapflights users on 6/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:40 pmSTL - BCN
1 stop12h 15mKLM
Tue 9/306:20 amBCN - STL
2 stops16h 40mKLM
Deal found 6/16$789

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 June 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 10/1

1:30 pm-7:50 am

1 stop11h 20m

Barcelona-El Prat

Fri 10/10

12:10 pm-2:27 pm

2 stops33h 17m

$555

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Wed 11/19

6:45 am-9:35 am

2 stops19h 50m

Barcelona-El Prat

Wed 11/26

1:35 pm-5:14 pm

2 stops34h 39m

$560

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 10/21

12:25 pm-1:05 pm

2 stops17h 40m

Barcelona-El Prat

Tue 10/28

5:50 am-11:44 pm

2 stops23h 54m

$609

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Sat 9/13

5:25 pm-10:30 am

1 stop34h 05m

Barcelona-El Prat

Wed 10/1

12:20 pm-10:50 pm

1 stop17h 30m

$643

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 11/6

2:49 pm-9:00 am

1 stop11h 11m

Barcelona-El Prat

Mon 11/10

1:30 pm-8:16 pm

1 stop13h 46m

$682

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Tue 10/21

12:25 pm-7:50 pm

2 stops24h 25m

Barcelona-El Prat

Mon 11/3

8:30 pm-11:44 pm

2 stops34h 14m

$710

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Thu 9/11

3:57 pm-10:30 am

1 stop11h 33m

Barcelona-El Prat

Tue 9/30

2:00 pm-9:06 pm

1 stop14h 06m

$721

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Mon 9/1

9:16 am-6:00 am

1 stop13h 44m

Barcelona-El Prat

Sat 9/20

2:10 pm-8:49 am

1 stop25h 39m

$745

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 9/5

3:36 pm-6:10 pm

2 stops19h 34m

Barcelona-El Prat

Mon 9/22

7:00 pm-9:59 pm

2 stops33h 59m

$747

St. LouisBarcelona

STL - BCN

STLBCN

Lambert-St Louis

Fri 9/12

4:40 pm-11:55 am

1 stop12h 15m

Barcelona-El Prat

Tue 9/30

6:20 am-4:00 pm

2 stops16h 40m

$789

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 21 results
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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 June 13, 2025.

The best time to book flights from St. Louis to Salou is 24 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 $523). Flying from St. Louis to Salou in June is currently the most expensive (average of $1,063). 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 June 18, 2025.

When flying from St. Louis to Salou, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Salou by month

Plan your trip to Salou by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Salou ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Salou when rainfall is around 0.8 in.

Temperature in Salou by month

Plan your trip to Salou by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Salou, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 June 18, 2025.
Read through reviews of airlines operating flights from St. Louis to Salou, such as Delta, KLM and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $463. However, be on the lookout for offers from KLM and Iberia, 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 $523). Flying from St. Louis to Salou in June is currently the most expensive (average of $1,063). 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

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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$468Average$751FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$530Average$1,022FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$936FlexibilityNo cancel feeOn-time70%
DeltaCheapest$602Average$1,025FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$631Average$1,063FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$632Average$1,041FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$637Average$1,068FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$673Average$1,242FlexibilityNo cancel feeOn-time67%

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