How long is the flight from Illinois to Yellowstone National Park?

The flight from Illinois to Yellowstone National Park depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to Los Angeles (the most popular airport in Yellowstone National Park), then the flight time is 4h 16m on average. If you fly from Moline (another popular airport in Illinois) to Los Angeles, then the average flight time is 6h 12m.

What is the cheapest airline that flies from Illinois to Yellowstone National Park?

United Airlines and Delta are the most popular carriers operating from Illinois to Yellowstone National Park

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?

The number of operators available for flights from Illinois to Yellowstone National Park is 1 as of May 2026.

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.

$294 Cheap Flights from Illinois to Yellowstone National Park in 2026

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Find the cheapest flights from Illinois to Yellowstone National Park

Round-trip

One-way

Last minute

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

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$304United Airlines

Tue, Jun 16 - Sat, Jun 20

7:45 am - 12:28 pm

ORD

WYS

5h 43m

1 stop

1:10 pm - 11:59 pm

WYS

ORD

9h 49m

2 stops

$349Delta

Tue, Jun 16 - Tue, Jun 23

7:45 am - 12:28 pm

ORD

WYS

5h 43m

1 stop

1:10 pm - 9:57 pm

WYS

ORD

7h 47m

1 stop

$374Delta

Tue, Jun 16 - Tue, Jun 23

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$399United Airlines

Thu, Jun 4 - Sun, Jun 7

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$442United Airlines

Fri, Jun 19 - Fri, Jun 26

7:05 am - 1:32 pm

ORD

WYS

7h 27m

1 stop

5:45 pm - 12:44 am

WYS

ORD

5h 59m

1 stop

$444United Airlines

Sun, Jun 21 - Sat, Jun 27

10:00 pm - 1:20 pm

ORD

WYS

16h 20m

1 stop

2:02 pm - 10:46 pm

WYS

ORD

7h 44m

1 stop

$481United Airlines

Thu, Sep 24 - Thu, Oct 1

10:54 am - 4:29 pm

ORD

WYS

6h 35m

1 stop

2:14 pm - 11:19 pm

WYS

ORD

8h 05m

1 stop

$487United Airlines

Fri, Jun 26 - Mon, Jun 29

10:00 pm - 1:20 pm

ORD

WYS

16h 20m

1 stop

2:02 pm - 10:46 pm

WYS

ORD

7h 44m

1 stop

$551United Airlines

Thu, Sep 17 - Mon, Sep 21

6:00 am - 1:32 pm

ORD

WYS

8h 32m

1 stop

2:19 pm - 9:54 pm

WYS

ORD

6h 35m

1 stop

$555United Airlines

Thu, Jun 11 - Mon, Jun 15

Delta flights from Illinois to Yellowstone National Park

Our best Delta deals on Illinois to Yellowstone National Park flight tickets

Delta

Jun 16

ORD7:45 amChicago O'Hare Intl

5h 43m

1 stop

WYS12:28 pmWest Yellowstone

Jun 23

WYS1:10 pmWest Yellowstone

9h 49m

2 stops

ORD11:59 pmChicago O'Hare Intl

$349

Delta

Jun 16

ORD7:45 amChicago O'Hare Intl

5h 43m

1 stop

WYS12:28 pmWest Yellowstone

Jun 23

WYS1:10 pmWest Yellowstone

7h 47m

1 stop

ORD9:57 pmChicago O'Hare Intl

$374

Delta

May 29

STL7:00 amLambert-St Louis

6h 25m

1 stop

WYS12:25 pmWest Yellowstone

Jun 6

WYS1:10 pmWest Yellowstone

6h 56m

1 stop

STL9:06 pmLambert-St Louis

$399

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 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

$304

United Airlines

Jun 4

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 7

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$399

United Airlines

Jun 19

ORD6:00 amChicago O'Hare Intl

8h 32m

1 stop

WYS1:32 pmWest Yellowstone

Jun 26

WYS5:45 pmWest Yellowstone

5h 59m

1 stop

ORD12:44 amChicago O'Hare Intl

$442

momondo Fare Finder

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

Cheapest round-trip

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Tue 6/16

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Sat 6/20

5:45 pm-12:44 am

1 stop5h 59m

$304

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Tue 6/16

7:45 am-12:28 pm

1 stop5h 43m

West Yellowstone

Tue 6/23

1:10 pm-11:59 pm

2 stops9h 49m

$349

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Tue 6/16

7:45 am-12:28 pm

1 stop5h 43m

West Yellowstone

Tue 6/23

1:10 pm-9:57 pm

1 stop7h 47m

$374

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 6/4

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Sun 6/7

5:45 pm-12:44 am

1 stop5h 59m

$399

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 6/19

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Fri 6/26

5:45 pm-12:44 am

1 stop5h 59m

$442

Quickest round-trip

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Sun 6/21

7:05 am-1:32 pm

1 stop7h 27m

West Yellowstone

Sat 6/27

5:45 pm-12:44 am

1 stop5h 59m

$444

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 9/24

10:00 pm-1:20 pm

1 stop16h 20m

West Yellowstone

Thu 10/1

2:02 pm-10:46 pm

1 stop7h 44m

$481

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Fri 6/26

10:54 am-4:29 pm

1 stop6h 35m

West Yellowstone

Mon 6/29

2:14 pm-11:19 pm

1 stop8h 05m

$487

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 9/17

10:00 pm-1:20 pm

1 stop16h 20m

West Yellowstone

Mon 9/21

2:02 pm-10:46 pm

1 stop7h 44m

$551

ChicagoWest Yellowstone

ORD - WYS

ORDWYS

Chicago O'Hare Intl

Thu 6/11

6:00 am-1:32 pm

1 stop8h 32m

West Yellowstone

Mon 6/15

2:19 pm-9:54 pm

1 stop6h 35m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 28m
Direct flights	None

The fastest flight from Illinois to Yellowstone National Park takes 5h 28m

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

Frequently asked questions about flying from Illinois to Yellowstone National Park

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?
The number of operators available for flights from Illinois to Yellowstone National Park is 1 as of May 2026.
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?
Based on momondo bookings for flights between Illinois and Yellowstone National Park, the leading plane model is Boeing 737-800, making up 17.85% of the total bookings. Other popular models include Airbus A321neo with 15.56%, Boeing 737-900 with 8.93%, and Airbus A321-100/200 with 7.91%.

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.