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.

$304 Cheap Flights from Chicago to West Yellowstone in 2026

1 adult

0 bags

Find the cheapest flights from Chicago to West Yellowstone

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 am - 12:25 pm

ORD

WYS

5h 40m

1 stop

1:10 pm - 9:50 pm

WYS

ORD

7h 40m

1 stop

$324Delta

Wed, May 27 - Wed, Jun 3

6:00 am - 1:20 pm

ORD

WYS

8h 20m

1 stop

5:45 pm - 11:59 pm

WYS

ORD

5h 14m

1 stop

$370United Airlines

Tue, Aug 18 - Sat, Aug 22

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$375United Airlines

Fri, May 29 - Sun, May 31

8:40 am - 4:07 pm

ORD

WYS

8h 27m

1 stop

2:03 pm - 10:58 pm

WYS

ORD

7h 55m

1 stop

$400United Airlines

Sat, May 9 - Wed, May 13

6:00 am - 1:20 pm

ORD

WYS

8h 20m

1 stop

2:02 pm - 9:12 pm

WYS

ORD

6h 10m

1 stop

$414United Airlines

Sun, Sep 6 - Wed, Sep 16

6:00 am - 1:20 pm

ORD

WYS

8h 20m

1 stop

5:45 pm - 11:59 pm

WYS

ORD

5h 14m

1 stop

$437United Airlines

Sat, Aug 22 - Fri, Aug 28

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:07 pm - 9:39 pm

WYS

ORD

6h 32m

1 stop

$452United Airlines

Fri, Jul 3 - Sat, Jul 11

6:00 am - 1:20 pm

ORD

WYS

8h 20m

1 stop

2:02 pm - 10:41 pm

WYS

ORD

7h 39m

1 stop

$468United Airlines

Tue, Sep 8 - Mon, Sep 14

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 9:42 am

WYS

ORD

18h 23m

1 stop

$473United Airlines

Mon, May 25 - Mon, Jun 1

10:55 am - 4:07 pm

ORD

WYS

6h 12m

1 stop

2:02 pm - 10:41 pm

WYS

ORD

7h 39m

1 stop

$478United Airlines

Sat, Aug 29 - Wed, Sep 2

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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

Aug 18

ORD6:00 amChicago O'Hare Intl

8h 20m

1 stop

WYS1:20 pmWest Yellowstone

Aug 22

WYS5:45 pmWest Yellowstone

5h 14m

1 stop

ORD11:59 pmChicago O'Hare Intl

$370

United Airlines

Jun 2

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 9

WYS2:19 pmWest Yellowstone

7h 30m

1 stop

ORD10:49 pmChicago O'Hare Intl

$371

United Airlines

May 29

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

May 31

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$375

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 5/27

7:45 am-12:25 pm

1 stop5h 40m

West Yellowstone

Wed 6/3

1:10 pm-9:50 pm

1 stop7h 40m

$324

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Tue 8/18

6:00 am-1:20 pm

1 stop8h 20m

West Yellowstone

Sat 8/22

5:45 pm-11:59 pm

1 stop5h 14m

$370

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 5/29

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Sun 5/31

5:45 pm-12:44 am

1 stop5h 59m

$375

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 5/9

8:40 am-4:07 pm

1 stop8h 27m

West Yellowstone

Wed 5/13

2:03 pm-10:58 pm

1 stop7h 55m

$400

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 9/6

6:00 am-1:20 pm

1 stop8h 20m

West Yellowstone

Wed 9/16

2:02 pm-9:12 pm

1 stop6h 10m

$414

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 8/22

6:00 am-1:20 pm

1 stop8h 20m

West Yellowstone

Fri 8/28

5:45 pm-11:59 pm

1 stop5h 14m

$437

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 7/3

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Sat 7/11

2:07 pm-9:39 pm

1 stop6h 32m

$452

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Tue 9/8

6:00 am-1:20 pm

1 stop8h 20m

West Yellowstone

Mon 9/14

2:02 pm-10:41 pm

1 stop7h 39m

$468

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 5/25

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Mon 6/1

2:19 pm-9:42 am

1 stop18h 23m

$473

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 8/29

10:55 am-4:07 pm

1 stop6h 12m

West Yellowstone

Wed 9/2

2:02 pm-10:41 pm

1 stop7h 39m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 is the cheapest airline that flies from Chicago to West Yellowstone?

United Airlines and Delta are the most popular carriers operating from Chicago to West Yellowstone

What airlines fly to West Yellowstone?

American Airlines, United Airlines and Alaska Airlines 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 59% 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

Fastest flight time	5h 40m
Direct flights	None

The fastest flight from Chicago to West Yellowstone takes 5h 40m

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 5h 40m.
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

Island Park

Gardiner

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.