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Cheap flights from Chicago to West Yellowstone from $274

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 to West Yellowstone departing on 8/27. 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
0 bags

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Find the cheapest flights from Chicago to West Yellowstone

Cheap round-trip flights

Delta Logo
7:45 am - 2:50 pmORD-WYS
8h 05m1 stop
Delta Logo
3:25 pm - 10:04 pmWYS-ORD
5h 39m1 stop
$274Delta
Find Deal
Wed, Aug 27 - Sun, Aug 31
Delta Logo
7:45 am - 2:50 pmORD-WYS
8h 05m1 stop
Delta Logo
3:27 pm - 9:57 pmWYS-ORD
5h 30m1 stop
$438Delta
Find Deal
Wed, Sep 3 - Fri, Sep 12
United Airlines Logo
1:58 pm - 1:20 pmORD-WYS
24h 22m1 stop
United Airlines Logo
1:55 pm - 11:59 pmWYS-ORD
9h 04m1 stop
$459United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Delta Logo
6:10 am - 2:50 pmORD-WYS
9h 40m2 stops
Delta Logo
3:25 pm - 10:04 pmWYS-ORD
5h 39m1 stop
$463Delta
Find Deal
Wed, Aug 27 - Sun, Aug 31
United Airlines Logo
2:17 pm - 1:20 pmORD-WYS
24h 03m1 stop
United Airlines Logo
1:55 pm - 11:59 pmWYS-ORD
9h 04m1 stop
$469United 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
$481United Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 1
United Airlines Logo
2:53 pm - 1:20 pmORD-WYS
23h 27m1 stop
United Airlines Logo
1:55 pm - 1:15 pmWYS-ORD
22h 20m2 stops
$485United Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
United Airlines Logo
8:00 pm - 9:37 amORD-WYS
14h 37m2 stops
United Airlines Logo
10:41 am - 9:41 amWYS-ORD
22h 00m1 stop
$487United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
United Airlines Logo
9:27 pm - 9:37 amORD-WYS
13h 10m1 stop
United Airlines Logo
10:41 am - 9:41 amWYS-ORD
22h 00m1 stop
$491United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
United Airlines Logo
8:09 pm - 1:20 pmORD-WYS
18h 11m1 stop
United Airlines Logo
1:55 pm - 1:15 pmWYS-ORD
22h 20m2 stops
$495United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1

Delta flights from Chicago to West Yellowstone

Our best Delta deals on Chicago to West Yellowstone flight tickets
Delta
Aug 27
ORD7:45 amChicago O'Hare Intl
8h 05m
1 stop
WYS2:50 pmWest Yellowstone
Aug 31
WYS3:25 pmWest Yellowstone
5h 39m
1 stop
ORD10:04 pmChicago O'Hare Intl
$274
Find similar
Delta
Sep 3
ORD7:45 amChicago O'Hare Intl
8h 05m
1 stop
WYS2:50 pmWest Yellowstone
Sep 12
WYS3:27 pmWest Yellowstone
5h 30m
1 stop
ORD9:57 pmChicago O'Hare Intl
$438
Find similar
Delta
Aug 27
ORD6:10 amChicago O'Hare Intl
9h 40m
2 stops
WYS2:50 pmWest Yellowstone
Aug 31
WYS3:25 pmWest Yellowstone
5h 39m
1 stop
ORD10:04 pmChicago O'Hare Intl
$463
Find similar

United Airlines flights from Chicago to West Yellowstone

Our best United Airlines deals on Chicago to West Yellowstone flight tickets
United Airlines
Sep 24
ORD1:58 pmChicago O'Hare Intl
24h 22m
1 stop
WYS1:20 pmWest Yellowstone
Oct 1
WYS1:55 pmWest Yellowstone
9h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$459
Find similar
United Airlines
Sep 27
ORD2:17 pmChicago O'Hare Intl
24h 03m
1 stop
WYS1:20 pmWest Yellowstone
Oct 1
WYS1:55 pmWest Yellowstone
9h 04m
1 stop
ORD11:59 pmChicago O'Hare Intl
$469
Find similar
United Airlines
Sep 25
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
$481
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, 2025.
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

Wed 8/27

7:45 am-2:50 pm

1 stop8h 05m

West Yellowstone

Sun 8/31

3:25 pm-10:04 pm

1 stop5h 39m

$274

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 9/3

7:45 am-2:50 pm

1 stop8h 05m

West Yellowstone

Fri 9/12

3:27 pm-9:57 pm

1 stop5h 30m

$438

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 9/24

1:58 pm-1:20 pm

1 stop24h 22m

West Yellowstone

Wed 10/1

1:55 pm-11:59 pm

1 stop9h 04m

$459

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 8/27

6:10 am-2:50 pm

2 stops9h 40m

West Yellowstone

Sun 8/31

3:25 pm-10:04 pm

1 stop5h 39m

$463

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

2:17 pm-1:20 pm

1 stop24h 03m

West Yellowstone

Wed 10/1

1:55 pm-11:59 pm

1 stop9h 04m

$469

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 9/25

5:01 am-1:20 pm

1 stop9h 19m

West Yellowstone

Wed 10/1

1:55 pm-11:59 pm

1 stop9h 04m

$481

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 9/24

2:53 pm-1:20 pm

1 stop23h 27m

West Yellowstone

Wed 10/1

1:55 pm-1:15 pm

2 stops22h 20m

$485

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 9/5

8:00 pm-9:37 am

2 stops14h 37m

West Yellowstone

Sun 9/7

10:41 am-9:41 am

1 stop22h 00m

$487

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 9/5

9:27 pm-9:37 am

1 stop13h 10m

West Yellowstone

Sun 9/7

10:41 am-9:41 am

1 stop22h 00m

$491

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sat 9/27

8:09 pm-1:20 pm

1 stop18h 11m

West Yellowstone

Wed 10/1

1:55 pm-1:15 pm

2 stops22h 20m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to West Yellowstone from

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 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

Best Price Found

$275

Fastest flight time

5h 26m

Direct flights

None

Airports in West Yellowstone

1 airport
The best one-way flight to West Yellowstone from Chicago in the past 72 hours is $275. The best round-trip flight deal from Chicago to West Yellowstone found on momondo in the last 72 hours is $274.
The fastest flight from Chicago to West Yellowstone takes 5h 26m
There are no direct flights from Chicago to West Yellowstone. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - West Yellowstone Airport and Chicago Midway Airport - West Yellowstone Airport.
There is 1 airport near West Yellowstone: West Yellowstone (WYS)
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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 5h 26m.

  • 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?

  • 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?

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 AirlinesPriceFrom $410Free CancellationRating
7.4
8,916 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?

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.

An easier way to manage your West Yellowstone trip

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