WYS

$213 Find Cheap Flights from Illinois to West Yellowstone

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to West Yellowstone departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flight Deals from Illinois to West Yellowstone

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to West Yellowstone that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Illinois to West Yellowstone

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to West Yellowstone.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
United Airlines Logo
8:48 am - 1:12 pmSTL-WYS
5h 24m1 stop
United Airlines Logo
1:51 pm - 9:01 pmWYS-STL
6h 10m1 stop
$284United Airlines
Find Deal
Tue, May 6 - Sat, May 10
United Airlines Logo
5:02 am - 9:51 amORD-WYS
5h 49m1 stop
United Airlines Logo
1:56 pm - 10:41 pmWYS-ORD
7h 45m1 stop
$365United Airlines
Find Deal
Sun, Jun 1 - Sat, Jun 7
United Airlines Logo
9:40 pm - 1:18 pmORD-WYS
16h 38m1 stop
United Airlines Logo
1:56 pm - 12:25 amWYS-ORD
9h 29m1 stop
$418United Airlines
Find Deal
Thu, Jun 5 - Thu, Jun 12
United Airlines Logo
7:10 am - 1:18 pmORD-WYS
7h 08m1 stop
United Airlines Logo
1:56 pm - 10:41 pmWYS-ORD
7h 45m1 stop
$425United Airlines
Find Deal
Tue, Jun 3 - Tue, Jun 10
United Airlines Logo
5:00 am - 9:37 amORD-WYS
5h 37m1 stop
United Airlines Logo
10:15 am - 6:26 pmWYS-ORD
7h 11m1 stop
$438United Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
United Airlines Logo
7:10 am - 1:20 pmORD-WYS
7h 10m1 stop
United Airlines Logo
2:02 pm - 10:34 pmWYS-ORD
7h 32m1 stop
$454United Airlines
Find Deal
Fri, Aug 8 - Fri, Aug 15
United Airlines Logo
9:40 pm - 1:18 pmORD-WYS
16h 38m1 stop
United Airlines Logo
1:56 pm - 9:20 pmWYS-ORD
6h 24m1 stop
$461United Airlines
Find Deal
Thu, Jun 5 - Thu, Jun 12
United Airlines Logo
7:10 am - 1:20 pmORD-WYS
7h 10m1 stop
United Airlines Logo
2:02 pm - 9:41 amWYS-ORD
18h 39m1 stop
$479United Airlines
Find Deal
Thu, Jul 10 - Sun, Jul 13
Delta Logo
7:30 am - 12:12 pmORD-WYS
5h 42m1 stop
Delta Logo
12:55 pm - 10:09 pmWYS-ORD
8h 14m1 stop
$842Delta
Find Deal
Thu, Jun 5 - Thu, Jun 12
Delta Logo
7:30 am - 12:12 pmORD-WYS
5h 42m1 stop
Delta Logo
12:55 pm - 11:59 pmWYS-ORD
10h 04m2 stops
$852Delta
Find Deal
Thu, Jun 5 - Thu, Jun 12

Good to know

Cheapest flight

$213
Flight from Chicago O'Hare Airport to West Yellowstone

FAQs for booking flights from Illinois to West Yellowstone

  • How does KAYAK find such low prices on flights from Illinois to West Yellowstone?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to West Yellowstone.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to West Yellowstone?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to West Yellowstone from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to West Yellowstone?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to West Yellowstone with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to West Yellowstone?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to West Yellowstone from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
Yellowstone National Park

Everything you need to know for your flight to West Yellowstone

Information on the airport you'll fly into in West Yellowstone

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