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 January 2026, 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.

$463 Cheap Flights from Chicago to West Yellowstone in 2026

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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.

9:30 am - 12:21 pm

MDW

WYS

27h 51m

2 stops

1:09 pm - 9:50 am

WYS

MDW

19h 41m

2 stops

$546Delta

Wed, Jul 15 - Mon, Jul 20

9:30 am - 12:21 pm

MDW

WYS

27h 51m

2 stops

1:09 pm - 11:54 am

WYS

MDW

21h 45m

2 stops

$564Delta

Sat, Jul 11 - Tue, Jul 21

1:00 pm - 12:21 pm

MDW

WYS

24h 21m

2 stops

1:09 pm - 11:54 am

WYS

MDW

21h 45m

2 stops

$565Delta

Sat, Jul 11 - Tue, Jul 21

Delta flights from Chicago to West Yellowstone

Our best Delta deals on Chicago to West Yellowstone flight tickets

Delta

Jul 15

MDW9:30 amChicago Midway

27h 51m

2 stops

WYS12:21 pmWest Yellowstone

Jul 20

WYS1:09 pmWest Yellowstone

19h 41m

2 stops

MDW9:50 amChicago Midway

$546

Delta

Jul 11

MDW9:30 amChicago Midway

27h 51m

2 stops

WYS12:21 pmWest Yellowstone

Jul 21

WYS1:09 pmWest Yellowstone

21h 45m

2 stops

MDW11:54 amChicago Midway

$564

Delta

Jul 11

MDW1:00 pmChicago Midway

24h 21m

2 stops

WYS12:21 pmWest Yellowstone

Jul 21

WYS1:09 pmWest Yellowstone

21h 45m

2 stops

MDW11:54 amChicago Midway

$565

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWest Yellowstone

MDW - WYS

MDWWYS

Chicago Midway

Wed 7/15

9:30 am-12:21 pm

2 stops27h 51m

West Yellowstone

Mon 7/20

1:09 pm-9:50 am

2 stops19h 41m

$546

ChicagoWest Yellowstone

MDW - WYS

MDWWYS

Chicago Midway

Sat 7/11

9:30 am-12:21 pm

2 stops27h 51m

West Yellowstone

Tue 7/21

1:09 pm-11:54 am

2 stops21h 45m

$564

ChicagoWest Yellowstone

MDW - WYS

MDWWYS

Chicago Midway

Sat 7/11

1:00 pm-12:21 pm

2 stops24h 21m

West Yellowstone

Tue 7/21

1:09 pm-11:54 am

2 stops21h 45m

$565

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 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 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.

Search flight deals

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 January 2026, 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 9,205 reviews		Search United Airlines flights

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.