When did momondo last update prices for flights from Chicago to West Yellowstone Airport?

Prices for flights from Chicago to West Yellowstone Airport refresh daily.

How old do you have to be to fly from Chicago to West Yellowstone Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to West Yellowstone Airport.

What documentation or ID do you need to fly to West Yellowstone Airport?

The necessary travel and health documents for your West Yellowstone Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$494 Cheap Flights from Chicago to West Yellowstone in 2026

Find the cheapest flights from Chicago to West Yellowstone

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

8h 30m1 stop Denver Intl

2:05 pm - 10:46 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

7h 41m1 stop Denver Intl

$516United Airlines

Sat, Oct 3 - Sun, Oct 11

10:00 pm - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

16h 30m1 stop Denver Intl

2:05 pm - 10:46 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

7h 41m1 stop Denver Intl

$592United Airlines

Thu, Oct 1 - Sat, Oct 10

5:00 am - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

9h 30m1 stop Denver Intl

2:05 pm - 9:18 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

6h 13m1 stop Denver Intl

$592United Airlines

Fri, Oct 2 - Sat, Oct 10

10:00 pm - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

16h 30m1 stop Denver Intl

2:05 pm - 10:46 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

7h 41m1 stop Denver Intl

$592United Airlines

Sat, Oct 3 - Sat, Oct 10

5:00 am - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

9h 30m1 stop Denver Intl

2:05 pm - 6:30 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

27h 25m1 stop Denver Intl

$629United Airlines

Fri, Oct 2 - Fri, Oct 9

10:00 pm - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

16h 30m1 stop Denver Intl

2:05 pm - 11:59 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

8h 54m1 stop Denver Intl

$629United Airlines

Thu, Oct 1 - Fri, Oct 9

2:30 pm - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

24h 00m1 stop Denver Intl

2:05 pm - 11:59 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

8h 54m1 stop Denver Intl

$629United Airlines

Sat, Oct 3 - Fri, Oct 9

6:27 pm - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

20h 03m2 stops Minneapolis St Paul Denver Intl

2:05 pm - 10:46 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

7h 41m1 stop Denver Intl

$638United Airlines

Mon, Oct 5 - Sat, Oct 10

6:00 am - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

8h 30m1 stop Denver Intl

2:05 pm - 9:51 pmWYS West Yellowstone-ORD Chicago O'Hare Intl

6h 46m1 stop Denver Intl

$650United Airlines

Tue, Oct 6 - Tue, Oct 13

7:00 am - 1:30 pmORD Chicago O'Hare Intl-WYS West Yellowstone

7h 30m1 stop Denver Intl

2:05 pm - 7:36 amWYS West Yellowstone-ORD Chicago O'Hare Intl

16h 31m2 stops Denver Intl Lambert-St Louis

$655United Airlines

Tue, Oct 6 - Tue, Oct 13

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United Airlines flights from Chicago to West Yellowstone

Our best United Airlines deals on Chicago to West Yellowstone flight tickets

United Airlines

Sep 11

ORD5:55 amChicago O'Hare Intl

8h 25m

1 stop

WYS1:20 pmWest Yellowstone

Sep 13

WYS6:00 pmWest Yellowstone

4h 59m

1 stop

ORD11:59 pmChicago O'Hare Intl

$494

United Airlines

Oct 3

ORD6:00 amChicago O'Hare Intl

8h 30m

1 stop

WYS1:30 pmWest Yellowstone

Oct 11

WYS2:05 pmWest Yellowstone

7h 41m

1 stop

ORD10:46 pmChicago O'Hare Intl

$516

United Airlines

Sep 18

ORD5:55 amChicago O'Hare Intl

8h 25m

1 stop

WYS1:20 pmWest Yellowstone

Sep 22

WYS1:55 pmWest Yellowstone

7h 04m

1 stop

ORD9:59 pmChicago O'Hare Intl

$580

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sat 10/3

6:00 am-1:30 pm

1 stop8h 30m

West Yellowstone

Sun 10/11

2:05 pm-10:46 pm

1 stop7h 41m

$516

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Thu 10/1

10:00 pm-1:30 pm

1 stop16h 30m

West Yellowstone

Sat 10/10

2:05 pm-10:46 pm

1 stop7h 41m

$592

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Fri 10/2

5:00 am-1:30 pm

1 stop9h 30m

West Yellowstone

Sat 10/10

2:05 pm-9:18 pm

1 stop6h 13m

$592

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sat 10/3

10:00 pm-1:30 pm

1 stop16h 30m

West Yellowstone

Sat 10/10

2:05 pm-10:46 pm

1 stop7h 41m

$592

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Fri 10/2

5:00 am-1:30 pm

1 stop9h 30m

West Yellowstone

Fri 10/9

2:05 pm-6:30 pm

1 stop27h 25m

$629

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Thu 10/1

10:00 pm-1:30 pm

1 stop16h 30m

West Yellowstone

Fri 10/9

2:05 pm-11:59 pm

1 stop8h 54m

$629

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sat 10/3

2:30 pm-1:30 pm

1 stop24h 00m

West Yellowstone

Fri 10/9

2:05 pm-11:59 pm

1 stop8h 54m

$629

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Mon 10/5

6:27 pm-1:30 pm

2 stops20h 03m

West Yellowstone

Sat 10/10

2:05 pm-10:46 pm

1 stop7h 41m

$638

Quickest round-trip

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 10/6

6:00 am-1:30 pm

1 stop8h 30m

West Yellowstone

Tue 10/13

2:05 pm-9:51 pm

1 stop6h 46m

$650

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 10/6

7:00 am-1:30 pm

1 stop7h 30m

West Yellowstone

Tue 10/13

2:05 pm-7:36 am

2 stops16h 31m

$655

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chicago to West Yellowstone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to West Yellowstone?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to West Yellowstone from Chicago according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to West Yellowstone. Keep in mind that there are 5 different airlines that fly to West Yellowstone on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago to West Yellowstone

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to West Yellowstone according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to West Yellowstone (CHI to WYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to West Yellowstone

Best Price Found	$516
Fastest flight time	8h 25m
Direct flights	None

The best flight deal from Chicago to West Yellowstone found on momondo in the last 72 hours is $516

The fastest flight from Chicago to West Yellowstone takes 8h 25m

There are no direct flights from Chicago to West Yellowstone. There are no popular flight routes from Chicago to West Yellowstone.

Search flight deals

Frequently asked questions about flying from Chicago to West Yellowstone

How far is Chicago to West Yellowstone by plane?
A flight from Chicago to West Yellowstone will travel around 1191.6 mi. A reasonable flight in good conditions will take 8h 25m.
When did momondo last update prices for flights from Chicago to West Yellowstone Airport?
Prices for flights from Chicago to West Yellowstone Airport refresh daily.
How old do you have to be to fly from Chicago to West Yellowstone Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to West Yellowstone Airport.
What documentation or ID do you need to fly to West Yellowstone Airport?
The necessary travel and health documents for your West Yellowstone Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago to West Yellowstone?
momondo data reveals that the most frequently booked airline on the route from Chicago to West Yellowstone is United Airlines, representing 100% of all bookings.

Yellowstone National Park

Gardiner

Island Park

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to West Yellowstone?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to West Yellowstone for you.

Can I find flights from Chicago to West Yellowstone with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to West Yellowstone from Chicago with this policy.

How can momondo help me find flights from Chicago to West Yellowstone?

Once you have performed a search for Chicago to West Yellowstone flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to West Yellowstone right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to West Yellowstone from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.