How long does it take to fly to West Yellowstone?

Flight times vary depending on what airport in Illinois you fly out of and what airport in West Yellowstone you fly into. For example, flying from Chicago to Bozeman takes 4h 24m on average. On the other hand, flying from Peoria to Bozeman takes 5h 51m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to West Yellowstone?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to West Yellowstone from Illinois according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to West Yellowstone. Keep in mind that there are 5 different airlines that fly to West Yellowstone on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Illinois to West Yellowstone Airport?

Prices for flights from Illinois to West Yellowstone Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to West Yellowstone Airport?

There is 1 operator available for flights from Illinois to West Yellowstone Airport as of November 2025.

How old do you have to be to fly from Illinois to West Yellowstone Airport?

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 West Yellowstone Airport.

What documentation or ID do you need to fly to West Yellowstone Airport?

The travel and health documents required for your trip to West Yellowstone Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at West Yellowstone Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$519 Cheap Flights from Illinois to West Yellowstone in 2025/26

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How to get the cheapest flight ticket from Illinois to West Yellowstone

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What is the cheapest day to depart on your flight to West Yellowstone?

The cheapest day to depart from Illinois 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 Illinois to West Yellowstone for around $853.

Cheap Illinois to West Yellowstone flight deals and tips

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

Direct flights	None

There are no direct flights from Illinois to West Yellowstone. There are no popular flight routes from Illinois to West Yellowstone.

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When did momondo last update prices for flights from Illinois to West Yellowstone Airport?
Prices for flights from Illinois to West Yellowstone Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to West Yellowstone Airport?
There is 1 operator available for flights from Illinois to West Yellowstone Airport as of November 2025.
How old do you have to be to fly from Illinois to West Yellowstone Airport?
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 West Yellowstone Airport.
What documentation or ID do you need to fly to West Yellowstone Airport?
The travel and health documents required for your trip to West Yellowstone Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at West Yellowstone Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to West Yellowstone

Compare and see reviews for airlines that fly from Illinois to West Yellowstone with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $410	Free Cancellation	Rating 7.4 9,015 reviews		Search United Airlines flights

Yellowstone National Park

Island Park

Gardiner

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to West Yellowstone from Illinois.

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

Flights from Illinois to West Yellowstone with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Illinois to West Yellowstone flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Illinois to West Yellowstone flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Illinois to West Yellowstone from $519

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How to get the cheapest flight ticket from Illinois 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 Illinois 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 Illinois to West Yellowstone for around $853.

What airlines fly to West Yellowstone?

How long does it take to fly to West Yellowstone?

Cheap Illinois to West Yellowstone flight deals and tips

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

Direct flights

When did momondo last update prices for flights from Illinois to West Yellowstone Airport?

How many operators does momondo search for flights from Illinois to West Yellowstone Airport?

How old do you have to be to fly from Illinois to West Yellowstone Airport?

What documentation or ID do you need to fly to West Yellowstone Airport?

Best airlines flying from Illinois to West Yellowstone

Compare and see reviews for airlines that fly from Illinois to West Yellowstone with momondo

Traveling to a place near West Yellowstone?

Why use momondo?

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

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

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

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

An easier way to manage your West Yellowstone trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Montana