Cheap United flights from Ontario to West Yellowstone (ONT to WYS)

Find The Best Day To Fly from Ontario to West Yellowstone

Amazing United ONT to WYS Flight Deals

The cheapest flights to Yellowstone found within the past 7 days were $348 round trip and one way. Prices and availability subject to change. Additional terms may apply.

WYS From ONT Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Microtel Inn & Suites by Wyndham Bozeman
Field & Stream Lodge Bozeman
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Discover our best United flight from Ontario ONT to West Yellowstone WYS 

To find the best deals on flights to Ontario from West Yellowstone with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Ontario ONT to West Yellowstone WYS with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $348 to $1,091, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Ontario ONT to West Yellowstone WYS 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Ontario to West Yellowstone costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to West Yellowstone WYS from  Ontario ONT with United 

To find a cheap United flight from Ontario ONT to West Yellowstone WYS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Ontario ONT to West Yellowstone WYS 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Ontario ONT to West Yellowstone WYS with United 

If you’re keen to be on West Yellowstone soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Ontario ONT to West Yellowstone WYS 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to West Yellowstone WYS from  Ontario ONT with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to West Yellowstone

White Buffalo

White Buffalo

2 out of 5
236 Dunraven St, West Yellowstone, MT
A restaurant, free self parking, and a terrace are among this motel's amenities. WiFi in public areas is free. A garden, a snack bar/deli, and a library are ...
7.6/10 Good! (1,094 reviews)
"It’s a very good place to stay if you want to access Yellowstone real quick."

Reviewed on Aug 15, 2025

White Buffalo
Kelly Inn West Yellowstone

Kelly Inn West Yellowstone

2.5 out of 5
104 South Canyon, West Yellowstone, MT
This hotel features an indoor pool and a hot tub. There's no skimping on freebies - guests receive free continental breakfast, free WiFi, and free self parking. ...
9.2/10 Wonderful! (1,293 reviews)
"Excellent property"

Reviewed on Aug 16, 2025

Kelly Inn West Yellowstone
Stage Coach Inn

Stage Coach Inn

2.5 out of 5
209 Madison Ave, West Yellowstone, MT
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the 24-hour business center and free WiFi in public areas. Enjoy the sauna ...
8.4/10 Very Good! (1,182 reviews)
"Property was nice and homey. The lounge area was beautiful. The room was okay. It was small but nice. The bathroom needed updates but other than that good! Staff was okay most days. Other days they didn’t say anything to you. But overall I would give it a 4.2/5. Area is great!"

Reviewed on Aug 18, 2025

Stage Coach Inn
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.