$258 Cheap Flights from St. Louis (STL) to Saskatoon (YXE)

View $258 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Louis to Saskatoon (STL-YXE)

Prices were available within the past 7 days and start at $258 for one-way flights and $504 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 2 - Tue, Dec 16
STL
St. Louis
YXE
Saskatoon
$504 Roundtrip, found 8 hours ago
$504
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Dec 2 from St. Louis to Saskatoon, returning Tue, Dec 16, priced at $504 found 8 hours ago
Delta
Wed, Oct 22 - Tue, Nov 11
STL
St. Louis
YXE
Saskatoon
$515 Roundtrip, found 19 hours ago
$515
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Oct 22 from St. Louis to Saskatoon, returning Tue, Nov 11, priced at $515 found 19 hours ago
Delta
Thu, Dec 4 - Tue, Dec 16
STL
St. Louis
YXE
Saskatoon
$518 Roundtrip, found 8 hours ago
$518
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Dec 4 from St. Louis to Saskatoon, returning Tue, Dec 16, priced at $518 found 8 hours ago
Delta
Wed, Oct 22 - Thu, Nov 13
STL
St. Louis
YXE
Saskatoon
$529 Roundtrip, found 19 hours ago
$529
Roundtrip
found 19 hours ago
Select Delta flight, departing Wed, Oct 22 from St. Louis to Saskatoon, returning Thu, Nov 13, priced at $529 found 19 hours ago
Delta
Thu, Dec 4 - Thu, Dec 18
STL
St. Louis
YXE
Saskatoon
$532 Roundtrip, found 8 hours ago
$532
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Dec 4 from St. Louis to Saskatoon, returning Thu, Dec 18, priced at $532 found 8 hours ago
Delta
Sat, Dec 6 - Tue, Dec 16
STL
St. Louis
YXE
Saskatoon
$533 Roundtrip, found 8 hours ago
$533
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Dec 6 from St. Louis to Saskatoon, returning Tue, Dec 16, priced at $533 found 8 hours ago
Delta
Tue, Oct 28 - Tue, Nov 4
STL
St. Louis
YXE
Saskatoon
$539 Roundtrip, found 1 day ago
$539
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 28 from St. Louis to Saskatoon, returning Tue, Nov 4, priced at $539 found 1 day ago
United
Tue, Oct 7 - Wed, Oct 8
STL
St. Louis
YXE
Saskatoon
$544 Roundtrip, found 4 days ago
$544
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 7 from St. Louis to Saskatoon, returning Wed, Oct 8, priced at $544 found 4 days ago
Air Canada
Wed, Nov 26 - Thu, Nov 27
STL
St. Louis
YXE
Saskatoon
$611 Roundtrip, found 2 days ago
$611
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Nov 26 from St. Louis to Saskatoon, returning Thu, Nov 27, priced at $611 found 2 days ago
WestJet
Sat, Nov 8 - Sat, Nov 15
STL
St. Louis
YXE
Saskatoon
$1,192 Roundtrip, found 3 days ago
$1,192
Roundtrip
found 3 days ago
Select WestJet flight, departing Sat, Nov 8 from St. Louis to Saskatoon, returning Sat, Nov 15, priced at $1,192 found 3 days ago

Alternative airports near Saskatoon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John G. Diefenbaker Intl. YXE. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $621
YXE
John G. Diefenbaker Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $621

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE) cost?
Get a cheap one-way flight from $258 or cheap return flight from $504 from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)?
The cheapest month to fly from STL to YXE is December, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to YXE. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to YXE?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE) last-minute?
Last-minute bookings from STL to YXE are typically more expensive. For the best rates, start searching for flights as early as possible. That being said, if your travel plans are flexible, you may score a cheap ticket right before your journey.
Is it cheaper to book a STL to YXE flight and hotel package?
Securing a STL to YXE flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to John G. Diefenbaker Intl. Airport (YXE)?
If you reserved your STL to YXE flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
John G. Diefenbaker Intl.
Airlines serving
Air Canada, Delta, United, WestJet
Roundtrip price
$504
Distance
1213 mi

Book with confidence

Book with confidence

St. Louis to Saskatoon Flights

The cheapest times to fly from St. Louis to Saskatoon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Saskatoon are during the month of December. You can find some of the cheapest flights from St. Louis to Saskatoon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Saskatoon

Sunday is one of the best days to book for cheap flights from St. Louis to Saskatoon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Saskatoon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Saskatoon in 2025. You can also book with separate airlines for your outbound and return journeys, from $258 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Saskatoon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Saskatoon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Saskatoon Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.