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Kelowna

$450+ Cheap flights from St. Louis (STL) to Kelowna (YLW)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YLW
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from St. Louis to Kelowna

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kelowna (YLW). 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 July 29, 2025.

Round-trip from

$450
(Alaska Airlines)
From Lambert-St Louis to Kelowna
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Find flight deals from St. Louis to Kelowna

Cheapest flights from St. Louis to Kelowna
Explore the most affordable flight options available from St. Louis to Kelowna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:57 pmSTL - YLW
1 stop23h 59mAlaska Airlines
Sun 10/122:46 pmYLW - STL
1 stop22h 15mAlaska Airlines
Deal found 7/29$450
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:40 amSTL - YLW
2 stops13h 09mDelta
Sun 10/127:00 amYLW - STL
2 stops15h 24mDelta
Deal found 7/29$639

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Kelowna 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 July 29, 2025.
Use the filters below to find and compare flights from St. Louis to Kelowna that are best for you.

Fly from

St. Louis

Fly to

Kelowna

Route

Depart

Return

Price

St. LouisKelowna

STL - YLW

STLYLW

Lambert-St Louis

Sun 10/5

3:57 pm-1:56 pm

1 stop23h 59m

Kelowna

Sun 10/12

2:46 pm-3:01 pm

1 stop22h 15m

$450

St. LouisKelowna

STL - YLW

STLYLW

Lambert-St Louis

Sun 10/5

10:40 am-9:49 pm

2 stops13h 09m

Kelowna

Sun 10/12

7:00 am-12:24 am

2 stops15h 24m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from St. Louis to Kelowna

Have a flexible travel schedule? Discover the best time to fly to Kelowna 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.

Reviews of airlines servicing Kelowna

Get insights into the airlines that provide service to Kelowna. 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 Kelowna. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from St. Louis to Kelowna, such as Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kelowna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on Alaska Airlines is currently your cheapest option to Kelowna, with prices starting at $450. Another option worth looking into is Delta, starting at $639 round trip.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Kelowna 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 Kelowna?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Kelowna (average of $399). Flying from St. Louis to Kelowna in December is currently the most expensive (average of $662). 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

Traveling to a place near Kelowna?

Book flights to Kelowna if you plan to visit one of these locations
Salmon Arm

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