$222 Cheap Flights from Whitehorse (YXY) to St. Louis (STL)

View $222 flight on Wed, Oct 22, 2025Opens in a new window

Popular airlines from Whitehorse, YT (YXY-Whitehorse Intl.) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Whitehorse to St. Louis (YXY-STL)

Prices were available within the past 7 days and start at $222 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Whitehorse (YXY) to St. Louis (STL)
Origin airport
Whitehorse Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2433 mi

Whitehorse to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Whitehorse 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 Whitehorse 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 Whitehorse to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $222 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 Whitehorse 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 Whitehorse 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.

 

Frequently asked questions

How much does a flight from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $222 or cheap return flight from Whitehorse Intl. Airport (YXY) 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 deals on this route.
What is the cheapest month to fly from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL)?
is the most affordable month to fly from YXY to STL. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from YXY to STL. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights available from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from YXY to STL?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, time of year 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 Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL)?
To touch down at Lambert-St. Louis Intl. Airport (STL) without delays, pick a flight that leaves Whitehorse Intl. Airport (YXY) before 3 PM. The chance 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 Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your ticket from YXY to STL right before your trip is typically more expensive. However, if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a YXY to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a YXY to STL flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Whitehorse Intl. Airport (YXY) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to cancel or reschedule your YXY to STL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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