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Cheap flights from Illinois to Yellowstone National Park from $518

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Yellowstone National Park departing on 6/7. 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 Illinois to Yellowstone National Park

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:15 am - 12:21 pm
ORD
-
WYS
6h 06m1 stop
Delta Logo
11:29 am - 9:34 pm
WYS
-
ORD
9h 05m2 stops
$518Delta
Sun, Jun 7 - Sat, Jun 13
United Airlines Logo
9:45 pm - 1:20 pm
ORD
-
WYS
16h 35m1 stop
United Airlines Logo
2:02 pm - 11:57 pm
WYS
-
ORD
8h 55m1 stop
$547United Airlines
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
5:15 am - 1:20 pm
ORD
-
WYS
9h 05m1 stop
United Airlines Logo
2:02 pm - 10:25 pm
WYS
-
ORD
7h 23m1 stop
$565United Airlines
Mon, Jun 1 - Mon, Jun 8
United Airlines Logo
5:15 am - 4:07 pm
ORD
-
WYS
11h 52m1 stop
United Airlines Logo
5:45 pm - 9:43 am
WYS
-
ORD
14h 58m1 stop
$587United Airlines
Sun, Jun 7 - Sat, Jun 13
United Airlines Logo
3:35 pm - 1:20 pm
ORD
-
WYS
22h 45m2 stops
United Airlines Logo
2:02 pm - 9:43 am
WYS
-
ORD
18h 41m1 stop
$643United Airlines
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
7:40 pm - 1:20 pm
ORD
-
WYS
18h 40m2 stops
United Airlines Logo
2:02 pm - 10:25 pm
WYS
-
ORD
7h 23m1 stop
$667United Airlines
Mon, Jun 1 - Mon, Jun 8
United Airlines Logo
9:10 pm - 1:20 pm
ORD
-
WYS
17h 10m2 stops
United Airlines Logo
5:45 pm - 7:59 am
WYS
-
ORD
13h 14m2 stops
$705United Airlines
Sun, Jun 7 - Sat, Jun 13
United Airlines Logo
2:10 pm - 1:20 pm
ORD
-
WYS
24h 10m3 stops
United Airlines Logo
2:02 pm - 9:13 pm
WYS
-
ORD
6h 11m1 stop
$756United Airlines
Mon, Jun 1 - Mon, Jun 8
Delta Logo
6:00 am - 12:21 pm
ORD
-
WYS
7h 21m2 stops
Delta Logo
1:09 pm - 11:55 pm
WYS
-
ORD
9h 46m2 stops
$1,219Delta
Wed, Jun 17 - Wed, Jun 24

Delta flights from Illinois to Yellowstone National Park

Our best Delta deals on Illinois to Yellowstone National Park flight tickets
Delta
Jun 7
ORD7:15 amChicago O'Hare Intl
6h 06m
1 stop
WYS12:21 pmWest Yellowstone
Jun 13
WYS11:29 amWest Yellowstone
9h 05m
2 stops
ORD9:34 pmChicago O'Hare Intl
$518
Find similar
Delta
Jun 17
ORD6:00 amChicago O'Hare Intl
7h 21m
2 stops
WYS12:21 pmWest Yellowstone
Jun 24
WYS1:09 pmWest Yellowstone
9h 46m
2 stops
ORD11:55 pmChicago O'Hare Intl
$1,219
Find similar

United Airlines flights from Illinois to Yellowstone National Park

Our best United Airlines deals on Illinois to Yellowstone National Park flight tickets
United Airlines
Jun 17
ORD9:45 pmChicago O'Hare Intl
16h 35m
1 stop
WYS1:20 pmWest Yellowstone
Jun 24
WYS2:02 pmWest Yellowstone
8h 55m
1 stop
ORD11:57 pmChicago O'Hare Intl
$547
Find similar
United Airlines
Jun 1
ORD5:15 amChicago O'Hare Intl
9h 05m
1 stop
WYS1:20 pmWest Yellowstone
Jun 8
WYS2:02 pmWest Yellowstone
7h 23m
1 stop
ORD10:25 pmChicago O'Hare Intl
$565
Find similar
United Airlines
Jun 7
ORD5:15 amChicago O'Hare Intl
11h 52m
1 stop
WYS4:07 pmWest Yellowstone
Jun 13
WYS5:45 pmWest Yellowstone
14h 58m
1 stop
ORD9:43 amChicago O'Hare Intl
$587
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Yellowstone National Park 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 December 24, 2025.
Use the filters below to find and compare flights from Illinois to Yellowstone National Park that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 6/7

7:15 am-12:21 pm

1 stop6h 06m

West Yellowstone

Sat 6/13

11:29 am-9:34 pm

2 stops9h 05m

$518

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 6/17

9:45 pm-1:20 pm

1 stop16h 35m

West Yellowstone

Wed 6/24

2:02 pm-11:57 pm

1 stop8h 55m

$547

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

5:15 am-1:20 pm

1 stop9h 05m

West Yellowstone

Mon 6/8

2:02 pm-10:25 pm

1 stop7h 23m

$565

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 6/7

5:15 am-4:07 pm

1 stop11h 52m

West Yellowstone

Sat 6/13

5:45 pm-9:43 am

1 stop14h 58m

$587

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 6/17

3:35 pm-1:20 pm

2 stops22h 45m

West Yellowstone

Wed 6/24

2:02 pm-9:43 am

1 stop18h 41m

$643

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

7:40 pm-1:20 pm

2 stops18h 40m

West Yellowstone

Mon 6/8

2:02 pm-10:25 pm

1 stop7h 23m

$667

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 6/7

9:10 pm-1:20 pm

2 stops17h 10m

West Yellowstone

Sat 6/13

5:45 pm-7:59 am

2 stops13h 14m

$705

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Mon 6/1

2:10 pm-1:20 pm

3 stops24h 10m

West Yellowstone

Mon 6/8

2:02 pm-9:13 pm

1 stop6h 11m

$756

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Wed 6/17

6:00 am-12:21 pm

2 stops7h 21m

West Yellowstone

Wed 6/24

1:09 pm-11:55 pm

2 stops9h 46m

$1,219

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Yellowstone National Park from

How to get the cheapest flight ticket from Illinois to Yellowstone National Park

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

Can stopping save me money on Illinois to Yellowstone National Park flights?

No. A direct flight is the cheapest option for a flight between Illinois to Yellowstone National Park.

Cheap Illinois to Yellowstone National Park flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Yellowstone National Park

Fastest flight time

5h 51m

Direct flights

None
The fastest flight from Illinois to Yellowstone National Park takes 5h 51m
There are no direct flights from Illinois to Yellowstone National Park. There are no popular flight routes from Illinois to Yellowstone National Park.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Yellowstone National Park?

    Prices for flights from Illinois to Yellowstone National Park are updated daily.

  • How many operators does momondo search for flights from Illinois to Yellowstone National Park?

  • How old do you have to be to fly from Illinois to Yellowstone National Park?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Yellowstone National Park.

  • What documentation or ID do you need to fly to Yellowstone National Park?

    The necessary travel and health documents for your Yellowstone National Park 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 plane model from Illinois to Yellowstone National Park?

Best airlines flying from Illinois to Yellowstone National Park

Compare and see reviews for airlines that fly from Illinois to Yellowstone National Park with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $410Free CancellationRating
7.4
9,111 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Yellowstone National Park?

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 Illinois to Yellowstone National Park for you.

Can I find flights from Illinois to Yellowstone National Park with flexible booking policies on momondo?

All flight searches from Illinois to Yellowstone National Park on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Yellowstone National Park?

momondo provides multiple filters to help you find the best flight to Yellowstone National Park from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Illinois to Yellowstone National Park flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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