
Book Cheap United flight from St. Louis (STL) to West Yellowstone (WYS)
Find The Best Day to Book a Cheap United Flights From St. Louis to West Yellowstone
Grab a great United flight from STL to WYS
To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying United St. Louis to West Yellowstone gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with United between St. Louis and West Yellowstone
United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from St. Louis to West Yellowstone with United are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your United flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 227 |
| DEN | USA | Denver Intl. | 226 |
| IAH | USA | George Bush Intercontinental | 136 |
| IAD | USA | Washington Dulles Intl. | 100 |
| SFO | USA | San Francisco Intl. | 64 |
| LAX | USA | Los Angeles Intl. | 23 |
| EWR | USA | Liberty Intl. | 20 |
| FRA | DEU | Frankfurt Intl. | 19 |
| NRT | JPN | Narita Intl. | 19 |
| PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to West Yellowstone

Gray Wolf Inn & Suites
The staff were friendly and hospitable, and made sure you felt comfortable :) the rooms and facility were clean and the hot tub in pool area were very nice. The free breakfast had a decent selection and there were also freshly baked cookies and s’mores materials available in the afternoon. Would ...
Reviewed on Jan 6, 2026

Stage Coach Inn
Loved this place so much! Nostalgic! Gorgeous! Clean! Great breakfast! I’d stay there again! Our first time but our favorite in west Yellowstone now!
Reviewed on Feb 8, 2026

Kelly Inn West Yellowstone
Clean room. Great staff very helpful. Fresh warm cookies and nice hot tub and pool. Beautiful decor.
Reviewed on Jan 31, 2026
Want more than a(n) United Flight from St. Louis to West Yellowstone?
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