$192 Cheap Flights from Edmonton (YEG) to St. Louis (STL)

View $192 flight on Fri, Aug 7, 2026Opens in a new window

Popular airlines from Edmonton Intl. Airport (YEG) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Edmonton to St. Louis (YEG-STL)

Prices were available within the past 7 days and start at $192 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Nov 26 - Tue, Dec 2
YEG
Edmonton
STL
St. Louis
$336 Roundtrip, found 6 hours ago
$336
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Wed, Nov 26 from Edmonton to St. Louis, returning Tue, Dec 2, priced at $336 found 6 hours ago
Air Canada
Sun, Feb 1 - Tue, Feb 17
YEG
Edmonton
STL
St. Louis
$337 Roundtrip, found 6 days ago
$337
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Feb 1 from Edmonton to St. Louis, returning Tue, Feb 17, priced at $337 found 6 days ago
Air Canada
Wed, Nov 26 - Fri, Nov 28
YEG
Edmonton
STL
St. Louis
$338 Roundtrip, found 6 hours ago
$338
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Wed, Nov 26 from Edmonton to St. Louis, returning Fri, Nov 28, priced at $338 found 6 hours ago
Air Canada
Mon, Nov 24 - Wed, Nov 26
YEG
Edmonton
STL
St. Louis
$338 Roundtrip, found 5 days ago
$338
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Nov 24 from Edmonton to St. Louis, returning Wed, Nov 26, priced at $338 found 5 days ago
Air Canada
Wed, Dec 10 - Wed, Dec 17
YEG
Edmonton
STL
St. Louis
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Dec 10 from Edmonton to St. Louis, returning Wed, Dec 17, priced at $339 found 1 day ago
United
Fri, Nov 28 - Tue, Dec 2
YEG
Edmonton
STL
St. Louis
$340 Roundtrip, found 6 hours ago
$340
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Nov 28 from Edmonton to St. Louis, returning Tue, Dec 2, priced at $340 found 6 hours ago
Air Canada
Tue, Feb 3 - Fri, Feb 13
YEG
Edmonton
STL
St. Louis
$340 Roundtrip, found 5 days ago
$340
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Feb 3 from Edmonton to St. Louis, returning Fri, Feb 13, priced at $340 found 5 days ago
Delta
Wed, Feb 4 - Mon, Feb 16
YEG
Edmonton
STL
St. Louis
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 4 from Edmonton to St. Louis, returning Mon, Feb 16, priced at $393 found 6 days ago
Alaska Airlines
Fri, Feb 6 - Sun, Feb 22
YEG
Edmonton
STL
St. Louis
$431 Roundtrip, found 6 days ago
$431
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Feb 6 from Edmonton to St. Louis, returning Sun, Feb 22, priced at $431 found 6 days ago
WestJet
Mon, Mar 30 - Sun, Apr 19
YEG
Edmonton
STL
St. Louis
$531 Roundtrip, found 6 days ago
$531
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Mar 30 from Edmonton to St. Louis, returning Sun, Apr 19, priced at $531 found 6 days ago

Find the cheapest month to fly from Edmonton (YEG) to St. Louis (STL)

October is typically the cheapest month to fly

From $364 - $818 per traveler.

Frequently asked questions

How much does a flight from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $192 or cheap return flight from $336 from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from YEG to STL is November, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from YEG to STL. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YEG to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL)?
To land at Lambert-St. Louis Intl. Airport (STL) on schedule, choose a flight that leaves Edmonton Intl. Airport (YEG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from YEG to STL are generally more expensive. To lock in the best prices, start searching for flights well in advance. That being said, if you can play around with your travel dates, you may score a cheap ticket right before your trip.
Is it cheaper to book a YEG to STL flight and hotel package?
You'll generally save money by booking a YEG to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Edmonton Intl. Airport (YEG) to Lambert-St. Louis Intl. Airport (STL)?
You can usually reschedule or cancel your YEG to STL flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Edmonton Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, Alaska Airlines, Delta, United, WestJet
Roundtrip price
$335
Distance
1488 mi

Book with confidence

Edmonton to St. Louis Flights

The cheapest times to fly from Edmonton to St. Louis

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 Edmonton to St. Louis are during the month of November. You can find some of the cheapest flights from Edmonton to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Edmonton to St. Louis: 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 Edmonton to St. Louis

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 Edmonton to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $192 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 Edmonton to St. Louis 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 Edmonton to St. Louis 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.

 

Edmonton to St. Louis Flights

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*Available to One Key members.