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 51% 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 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 many operators does momondo search for flights from Chicago to West Yellowstone Airport?

As of December 2025, there is 1 operator available to choose from for flights from Chicago to West Yellowstone Airport.

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.

$286 Cheap Flights from Chicago to West Yellowstone in 2025/26

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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.

5:15 am - 1:20 pm

ORD

WYS

9h 05m1 stop

2:02 pm - 9:13 pm

WYS

ORD

6h 11m1 stop

$555United Airlines

Mon, Jun 1 - Mon, Jun 8

5:15 am - 1:20 pm

ORD

WYS

9h 05m1 stop

2:02 pm - 9:13 pm

WYS

ORD

6h 11m1 stop

$565United Airlines

Mon, Jun 1 - Mon, Jun 8

7:57 pm - 1:20 pm

ORD

WYS

18h 23m2 stops

2:02 pm - 10:25 pm

WYS

ORD

7h 23m1 stop

$632United Airlines

Mon, Jun 1 - Mon, Jun 8

7:57 pm - 1:20 pm

ORD

WYS

18h 23m2 stops

2:02 pm - 9:13 pm

WYS

ORD

6h 11m1 stop

$642United Airlines

Mon, Jun 1 - Mon, Jun 8

2:10 pm - 1:20 pm

ORD

WYS

24h 10m3 stops

2:02 pm - 10:25 pm

WYS

ORD

7h 23m1 stop

$712United Airlines

Mon, Jun 1 - Mon, Jun 8

2:10 pm - 1:20 pm

ORD

WYS

24h 10m3 stops

2:02 pm - 9:13 pm

WYS

ORD

6h 11m1 stop

$746United Airlines

Mon, Jun 1 - Mon, Jun 8

United Airlines flights from Chicago to West Yellowstone

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

United Airlines

Jun 1

ORD5:15 amChicago O'Hare Intl

9h 05m

1 stop

WYS1:20 pmWest Yellowstone

Jun 8

WYS2:02 pmWest Yellowstone

6h 11m

1 stop

ORD9:13 pmChicago O'Hare Intl

$555

Find similar

United Airlines

Jun 1

ORD5:15 amChicago O'Hare Intl

9h 05m

1 stop

WYS1:20 pmWest Yellowstone

Jun 8

WYS2:02 pmWest Yellowstone

6h 11m

1 stop

ORD9:13 pmChicago O'Hare Intl

$565

Find similar

United Airlines

Jun 1

ORD7:57 pmChicago O'Hare Intl

18h 23m

2 stops

WYS1:20 pmWest Yellowstone

Jun 8

WYS2:02 pmWest Yellowstone

7h 23m

1 stop

ORD10:25 pmChicago O'Hare Intl

$632

Find similar

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

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

5:15 am-1:20 pm

1 stop9h 05m

West Yellowstone

Mon 6/8

2:02 pm-9:13 pm

1 stop6h 11m

$555

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

5:15 am-1:20 pm

1 stop9h 05m

West Yellowstone

Mon 6/8

2:02 pm-9:13 pm

1 stop6h 11m

$565

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

7:57 pm-1:20 pm

2 stops18h 23m

West Yellowstone

Mon 6/8

2:02 pm-10:25 pm

1 stop7h 23m

$632

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

7:57 pm-1:20 pm

2 stops18h 23m

West Yellowstone

Mon 6/8

2:02 pm-9:13 pm

1 stop6h 11m

$642

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

2:10 pm-1:20 pm

3 stops24h 10m

West Yellowstone

Mon 6/8

2:02 pm-10:25 pm

1 stop7h 23m

$712

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

2:10 pm-1:20 pm

3 stops24h 10m

West Yellowstone

Mon 6/8

2:02 pm-9:13 pm

1 stop6h 11m

$746

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

Prices

Airlines

What is the cheapest day to depart on your flight to West Yellowstone?

The cheapest day to depart from Chicago to West Yellowstone is on a Wednesday when prices can be found for as low as $413. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to West Yellowstone for around $853.

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	6h 06m
Direct flights	None

The fastest flight from Chicago to West Yellowstone takes 6h 06m

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

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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 6h 06m.
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 many operators does momondo search for flights from Chicago to West Yellowstone Airport?
As of December 2025, there is 1 operator available to choose from for flights from Chicago to West Yellowstone Airport.
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.

Best airlines flying from Chicago to West Yellowstone

Compare and see reviews for airlines that fly from Chicago to West Yellowstone with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $410	Free Cancellation	Rating 7.4 9,095 reviews		Search United Airlines flights

Yellowstone National Park

Island Park

Gardiner

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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.