When did momondo last update prices for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport?

Prices for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport?

As of March 2026, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport.

How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to West Yellowstone Airport.

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

The required travel and health documents for your West Yellowstone Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at West Yellowstone Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$348 Cheap Flights from Chicago O'Hare Intl Airport to West Yellowstone in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to West Yellowstone

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 11:19 pm

WYS

ORD

8h 00m

1 stop

$428United Airlines

Sun, May 24 - Thu, May 28

10:55 pm - 4:37 pm

ORD

WYS

18h 42m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$439United Airlines

Fri, May 22 - Sun, May 31

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 10:49 pm

WYS

ORD

7h 30m

1 stop

$447United Airlines

Wed, May 27 - Mon, Jun 1

10:55 pm - 4:37 pm

ORD

WYS

18h 42m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$459United Airlines

Fri, May 22 - Sun, May 31

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 11:19 pm

WYS

ORD

8h 00m

1 stop

$484United Airlines

Mon, Jun 1 - Mon, Jun 8

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 11:19 pm

WYS

ORD

8h 00m

1 stop

$493United Airlines

Mon, Jun 1 - Mon, Jun 8

8:10 pm - 4:37 pm

ORD

WYS

21h 27m

2 stops

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$545United Airlines

Fri, May 22 - Sun, May 31

8:10 pm - 4:37 pm

ORD

WYS

21h 27m

2 stops

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$575United Airlines

Fri, May 22 - Sun, May 31

9:21 pm - 1:32 pm

ORD

WYS

17h 11m

2 stops

2:19 pm - 11:19 pm

WYS

ORD

8h 00m

1 stop

$577United Airlines

Sun, May 24 - Thu, May 28

9:40 pm - 1:32 pm

ORD

WYS

16h 52m

2 stops

2:19 pm - 10:49 pm

WYS

ORD

7h 30m

1 stop

$598United Airlines

Mon, Jun 1 - Mon, Jun 8

Delta flights from Chicago O'Hare Intl Airport to West Yellowstone

Our best Delta deals on Chicago O'Hare Intl Airport to West Yellowstone flight tickets

Delta

Aug 23

ORD6:00 amChicago O'Hare Intl

7h 21m

2 stops

WYS12:21 pmWest Yellowstone

Aug 29

WYS11:29 amWest Yellowstone

11h 28m

2 stops

ORD11:57 pmChicago O'Hare Intl

$499

Delta

Aug 25

ORD6:00 amChicago O'Hare Intl

7h 21m

2 stops

WYS12:21 pmWest Yellowstone

Sep 1

WYS1:09 pmWest Yellowstone

7h 49m

1 stop

ORD9:58 pmChicago O'Hare Intl

$568

Delta

Aug 25

ORD6:00 amChicago O'Hare Intl

7h 21m

2 stops

WYS12:21 pmWest Yellowstone

Sep 1

WYS1:09 pmWest Yellowstone

9h 48m

2 stops

ORD11:57 pmChicago O'Hare Intl

$683

United Airlines flights from Chicago O'Hare Intl Airport to West Yellowstone

Our best United Airlines deals on Chicago O'Hare Intl Airport to West Yellowstone flight tickets

United Airlines

Aug 5

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Aug 8

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$348

United Airlines

Jun 16

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 20

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$404

United Airlines

Aug 4

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Aug 8

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$424

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 5/24

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Thu 5/28

2:19 pm-11:19 pm

1 stop8h 00m

$428

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 5/22

10:55 pm-4:37 pm

1 stop18h 42m

West Yellowstone

Sun 5/31

5:45 pm-12:44 am

1 stop5h 59m

$439

Quickest round-trip

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 5/27

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Mon 6/1

2:19 pm-10:49 pm

1 stop7h 30m

$447

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 5/22

10:55 pm-4:37 pm

1 stop18h 42m

West Yellowstone

Sun 5/31

5:45 pm-12:44 am

1 stop5h 59m

$459

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Mon 6/8

2:19 pm-11:19 pm

1 stop8h 00m

$484

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Mon 6/8

2:19 pm-11:19 pm

1 stop8h 00m

$493

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 5/22

8:10 pm-4:37 pm

2 stops21h 27m

West Yellowstone

Sun 5/31

5:45 pm-12:44 am

1 stop5h 59m

$545

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 5/22

8:10 pm-4:37 pm

2 stops21h 27m

West Yellowstone

Sun 5/31

5:45 pm-12:44 am

1 stop5h 59m

$575

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 5/24

9:21 pm-1:32 pm

2 stops17h 11m

West Yellowstone

Thu 5/28

2:19 pm-11:19 pm

1 stop8h 00m

$577

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

9:40 pm-1:32 pm

2 stops16h 52m

West Yellowstone

Mon 6/8

2:19 pm-10:49 pm

1 stop7h 30m

$598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl to West Yellowstone?

United Airlines is the most popular carrier operating from Chicago O'Hare Intl to West Yellowstone

What airlines fly to West Yellowstone?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to West Yellowstone from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to West Yellowstone. Keep in mind that there are 4 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 O'Hare Intl Airport to West Yellowstone

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

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to West Yellowstone (ORD to WYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to West Yellowstone

Fastest flight time	7h 20m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to West Yellowstone takes 7h 20m

There are no direct flights from Chicago O'Hare Intl Airport to West Yellowstone. There are no popular flight routes from Chicago O'Hare Intl Airport to West Yellowstone.

Search flight deals

How far is Chicago O'Hare Intl to West Yellowstone by plane?
Chicago O'Hare Intl and West Yellowstone are 1175.9 mi apart from one another. A reasonable flight in good conditions will take 7h 20m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport?
Prices for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport?
As of March 2026, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to West Yellowstone Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to West Yellowstone Airport.
What documentation or ID do you need to fly to West Yellowstone Airport?
The required travel and health documents for your West Yellowstone Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at West Yellowstone Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to West Yellowstone?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and West Yellowstone, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Chicago O'Hare Intl Airport to West Yellowstone

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to West Yellowstone with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $410	Free Cancellation	Rating 7.4 9,389 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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to West Yellowstone. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between Chicago and West Yellowstone by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to West Yellowstone from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.