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Cheap flights from Chicago O'Hare Intl Airport to West Yellowstone from $760

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to West Yellowstone departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

United Airlines Logo
5:01 am - 1:20 pmORD-WYS
9h 19m1 stop
United Airlines Logo
1:55 pm - 11:59 pmWYS-ORD
9h 04m1 stop
$760United Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
United Airlines Logo
5:01 am - 1:20 pmORD-WYS
9h 19m1 stop
United Airlines Logo
1:55 pm - 11:59 pmWYS-ORD
9h 04m1 stop
$813United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
5:01 am - 1:20 pmORD-WYS
9h 19m1 stop
United Airlines Logo
1:55 pm - 11:59 pmWYS-ORD
9h 04m1 stop
$913United Airlines
Find Deal
Sat, Sep 27 - Sat, Oct 4
United Airlines Logo
8:00 pm - 1:20 pmORD-WYS
18h 20m2 stops
United Airlines Logo
1:55 pm - 7:43 amWYS-ORD
16h 48m2 stops
$1,315United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
8:00 pm - 1:20 pmORD-WYS
18h 20m2 stops
United Airlines Logo
1:55 pm - 8:25 pmWYS-ORD
5h 30m1 stop
$1,322United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1

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
Oct 2
ORD5:01 amChicago O'Hare Intl
9h 19m
1 stop
WYS1:20 pmWest Yellowstone
Oct 5
WYS1:55 pmWest Yellowstone
9h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$760
Find similar
United Airlines
Sep 27
ORD5:01 amChicago O'Hare Intl
9h 19m
1 stop
WYS1:20 pmWest Yellowstone
Oct 1
WYS1:55 pmWest Yellowstone
9h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$813
Find similar
United Airlines
Sep 27
ORD5:01 amChicago O'Hare Intl
9h 19m
1 stop
WYS1:20 pmWest Yellowstone
Oct 4
WYS1:55 pmWest Yellowstone
9h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$913
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to West Yellowstone that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 14, 2025.
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

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 10/2

5:01 am-1:20 pm

1 stop9h 19m

West Yellowstone

Sun 10/5

1:55 pm-11:59 pm

1 stop9h 04m

$760

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

5:01 am-1:20 pm

1 stop9h 19m

West Yellowstone

Wed 10/1

1:55 pm-11:59 pm

1 stop9h 04m

$813

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

5:01 am-1:20 pm

1 stop9h 19m

West Yellowstone

Sat 10/4

1:55 pm-11:59 pm

1 stop9h 04m

$913

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

8:00 pm-1:20 pm

2 stops18h 20m

West Yellowstone

Wed 10/1

1:55 pm-7:43 am

2 stops16h 48m

$1,315

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

8:00 pm-1:20 pm

2 stops18h 20m

West Yellowstone

Wed 10/1

1:55 pm-8:25 pm

1 stop5h 30m

$1,322

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to West Yellowstone from

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 day to depart on your flight to West Yellowstone?

The cheapest day to depart from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to West Yellowstone for around $853.

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

Direct flights

None
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.
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  • 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 9h 19m.

  • 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?

  • 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?

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 AirlinesPriceFrom $410Free CancellationRating
7.4
8,934 reviews
Search United Airlines flights

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
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.

An easier way to manage your West Yellowstone trip

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