Cheap Flights from West Yellowstone (WYS) to St. Louis (STL)

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Flight from West Yellowstone to St. Louis (WYS - STL) route information
Origin airport
Yellowstone
Destination airport
Lambert-St. Louis Intl.
Distance
1141 mi

West Yellowstone to St. Louis Flights

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

The best time to book a flight from West Yellowstone to St. Louis

Sunday is one of the best days to book for cheap flights from West Yellowstone 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 West Yellowstone 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 West Yellowstone to St. Louis in 2024. You can also book with separate airlines for your outbound and return journeys, from 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 West Yellowstone 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 West Yellowstone 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

Is it cheaper to buy a plane ticket from Yellowstone Airport (WYS) to Lambert Field last minute?
Booking your journey from Yellowstone Airport (WYS) to STL at the last minute could save you some dough if you luck out and find a bargain. However, airfares typically don’t come down in price as the departure date nears. If you procrastinate, flights could also be sold out or the best seats gone (because no one wants the middle seat). If you don’t want to hedge your bets, book well in advance of when you want to leave. It’s worth noting that some of the best deals can be found up to 12 months in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for St. Louis from West Yellowstone?
From West Yellowstone, you can journey to St. Louis via Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS). Be sure to check which airport is the most convenient for you before you make a decision. If you pick Lambert-St. Louis Intl. Airport (STL), it’s around 12 mi northwest of downtown. Use the dollars you save when booking your airfare with Expedia to experience the city’s well-known sights, such as Busch Stadium and Gateway Arch.
Can I change the date of my flight from Yellowstone Airport to Lambert-St. Louis Intl. Airport (STL)?
Make changes quickly to your Yellowstone Airport to STL flight through the Expedia Trips portal. Before making any amendments, check the conditions and rules in your itinerary to find out what you’re able to do and if charges apply. Some carriers have a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also stop by our Customer Service portal to find the answers to your questions and to connect with our Virtual Agent.
*Available to One Key members.