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Cheap flights from Chicago O'Hare Intl Airport to West Yellowstone from $314

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 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:48 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
5h 39m1 stop Salt Lake City
Delta Logo
1:09 pm - 10:00 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
7h 51m1 stop Salt Lake City
$314Delta
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
5:55 am - 1:20 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
8h 25m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:59 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
4h 59m1 stop Denver Intl
$323United Airlines
Fri, Sep 18 - Sun, Sep 20
Delta Logo
6:00 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
7h 27m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
1:09 pm - 10:00 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
7h 51m1 stop Salt Lake City
$324Delta
Sun, Sep 6 - Sat, Sep 12
United Airlines Logo
8:29 am - 4:06 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
8h 37m1 stop Denver Intl
United Airlines Logo
5:45 pm - 11:59 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
5h 14m1 stop Denver Intl
$347United Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
7:48 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
5h 39m1 stop Salt Lake City
Delta Logo
1:09 pm - 5:41 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
27h 32m2 stops Salt Lake City Minneapolis St Paul
$362Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
6:00 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
7h 27m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
1:09 pm - 8:30 amWYS  West Yellowstone-ORD Chicago O'Hare Intl
18h 21m2 stops Salt Lake City Minneapolis St Paul
$367Delta
Tue, Sep 1 - Sat, Sep 5
Delta Logo
7:48 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
5h 39m1 stop Salt Lake City
Delta Logo
11:29 am - 8:30 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
8h 01m2 stops Salt Lake City Detroit Metropolitan Wayne County
$378Delta
Tue, Sep 1 - Wed, Sep 9
Delta Logo
6:00 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
7h 27m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
11:29 am - 8:30 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
8h 01m2 stops Salt Lake City Detroit Metropolitan Wayne County
$384Delta
Tue, Sep 1 - Wed, Sep 9
Delta Logo
7:48 am - 12:27 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
5h 39m1 stop Salt Lake City
Delta Logo
1:09 pm - 9:47 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
31h 38m2 stops Salt Lake City Minneapolis St Paul
$387Delta
Thu, Aug 27 - Sat, Sep 5
United Airlines Logo
6:00 am - 1:20 pmORD  Chicago O'Hare Intl-WYS West Yellowstone
8h 20m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:59 pmWYS  West Yellowstone-ORD Chicago O'Hare Intl
4h 59m1 stop Denver Intl
$404United Airlines
Tue, Sep 1 - Fri, Sep 11

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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
Sep 18
ORD5:55 amChicago O'Hare Intl
8h 25m
1 stop
WYS1:20 pmWest Yellowstone
Sep 20
WYS6:00 pmWest Yellowstone
4h 59m
1 stop
ORD11:59 pmChicago O'Hare Intl
$323
United Airlines
Sep 5
ORD8:29 amChicago O'Hare Intl
8h 37m
1 stop
WYS4:06 pmWest Yellowstone
Sep 12
WYS5:45 pmWest Yellowstone
5h 14m
1 stop
ORD11:59 pmChicago O'Hare Intl
$347
United Airlines
Sep 1
ORD6:00 amChicago O'Hare Intl
8h 20m
1 stop
WYS1:20 pmWest Yellowstone
Sep 11
WYS6:00 pmWest Yellowstone
4h 59m
1 stop
ORD11:59 pmChicago O'Hare Intl
$404

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
Sep 6
ORD7:48 amChicago O'Hare Intl
5h 39m
1 stop
WYS12:27 pmWest Yellowstone
Sep 12
WYS1:09 pmWest Yellowstone
7h 51m
1 stop
ORD10:00 pmChicago O'Hare Intl
$314
Delta
Sep 6
ORD6:00 amChicago O'Hare Intl
7h 27m
2 stops
WYS12:27 pmWest Yellowstone
Sep 12
WYS1:09 pmWest Yellowstone
7h 51m
1 stop
ORD10:00 pmChicago O'Hare Intl
$324
Delta
Sep 1
ORD7:48 amChicago O'Hare Intl
5h 39m
1 stop
WYS12:27 pmWest Yellowstone
Sep 5
WYS1:09 pmWest Yellowstone
27h 32m
2 stops
ORD5:41 pmChicago O'Hare Intl
$362

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 August 14, 2026.
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 Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sun 9/6

7:48 am-12:27 pm

1 stop5h 39m

West Yellowstone

Sat 9/12

1:09 pm-10:00 pm

1 stop7h 51m

$314

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Fri 9/18

5:55 am-1:20 pm

1 stop8h 25m

West Yellowstone

Sun 9/20

6:00 pm-11:59 pm

1 stop4h 59m

$323

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sun 9/6

6:00 am-12:27 pm

2 stops7h 27m

West Yellowstone

Sat 9/12

1:09 pm-10:00 pm

1 stop7h 51m

$324

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Sat 9/5

8:29 am-4:06 pm

1 stop8h 37m

West Yellowstone

Sat 9/12

5:45 pm-11:59 pm

1 stop5h 14m

$347

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 9/1

7:48 am-12:27 pm

1 stop5h 39m

West Yellowstone

Sat 9/5

1:09 pm-5:41 pm

2 stops27h 32m

$362

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 9/1

6:00 am-12:27 pm

2 stops7h 27m

West Yellowstone

Sat 9/5

1:09 pm-8:30 am

2 stops18h 21m

$367

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 9/1

7:48 am-12:27 pm

1 stop5h 39m

West Yellowstone

Wed 9/9

11:29 am-8:30 pm

2 stops8h 01m

$378

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 9/1

6:00 am-12:27 pm

2 stops7h 27m

West Yellowstone

Wed 9/9

11:29 am-8:30 pm

2 stops8h 01m

$384

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Thu 8/27

7:48 am-12:27 pm

1 stop5h 39m

West Yellowstone

Sat 9/5

1:09 pm-9:47 pm

2 stops31h 38m

$387
Quickest round-trip

ChicagoWest Yellowstone

ORD Chicago O'Hare Intl - WYS West Yellowstone

ORDWYS

Chicago O'Hare Intl

Tue 9/1

6:00 am-1:20 pm

1 stop8h 20m

West Yellowstone

Fri 9/11

6:00 pm-11:59 pm

1 stop4h 59m

$404

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 airline that flies from Chicago O'Hare Intl to West Yellowstone?

United Airlines and Delta are the most popular carriers operating from Chicago O'Hare Intl 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 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

5h 39m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to West Yellowstone takes 5h 39m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to West Yellowstone

  • 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 5h 39m.

  • 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 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.

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
Yellowstone National Park
Gardiner
Island Park

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.

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