Cheap flights from Chicago to West Yellowstone

Compare Chicago to West Yellowstone flight deals

Find the cheapest month or even day of the year to fly to West Yellowstone

Book the best West Yellowstone fare with no extra fees

Flight deals from Chicago to West Yellowstone

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to West Yellowstone Airport? If you want to travel next month, round-trip fares start from $312. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Chicago to West Yellowstone

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to West Yellowstone flights are currently cheapest in September.

Chicago to West Yellowstone: Alternative routes

Compare routes from Chicago to West Yellowstone below. You may find an airport to fly into that's cheaper, faster, or easier than West Yellowstone.

Chicago to West Yellowstone: Flight information

The things to know before you go.
Cheapest flight found$303
Cheapest month to flyAugust

Finding cheap flights from Chicago to West Yellowstone: Frequently asked questions

The best price we found for a round-trip flight from Chicago to West Yellowstone is $303. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago to West Yellowstone. But we found flights with one stop from $303.
There are no flights flying from Chicago to West Yellowstone, as of July 2026.
The cheapest month to fly from Chicago to West Yellowstone is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to West Yellowstone Airport on Sunday, August 30, 2026.
No airlines currently offer direct flights between Chicago and West Yellowstone Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to West Yellowstone but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to West Yellowstone is around 40 days in advance, so don’t leave your flight to the last minute.

The cheapest airline that flies to West Yellowstone is United.

Traveling from Chicago to Yellowstone Airport (WYS): What you need to know

  • West Yellowstone (where Yellowstone Airport is located) and Chicago share the UTC-6 timezone. You can plan your trip without factoring in timezone differences.

  • Arrive at the airport on time so you don't miss your flight from Chicago to WYS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • If you're going away during a peak month like July, make your way to the airport even earlier. It's wise to arrive up to four hours before an international flight and two hours ahead of domestic departures. You can expect lines to be longer during peak periods like Thanksgiving and spring break.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • Located around 27 kilometers from the center of Chicago, ORD can be reached in about 30 minutes by car (depending on traffic). The journey by public transport takes roughly 45 minutes.

  • Want a stress-free start to your travels? Stay near Chicago O'Hare International Airport. Whether you're boarding an early flight from Chicago to Yellowstone Airport or aren't a fan of being rushed, these hotels offer the perfect solution:

  • When it comes to the on-time performance of Chicago O'Hare International Airport, 70% of flights arrive within the expected time frame.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can arrive at MDW from the center of Chicago in approximately 25 minutes by car, depending on traffic. The ride on public transport will take roughly 30 minutes to cover the 16 kilometers or so.

  • Taking off bright and early? You might like to check in to one of these accommodation options near Chicago Midway International Airport the day before your Chicago to WYS flight:

  • As far as flight punctuality goes, Chicago Midway International Airport has an on-time arrival performance of 76%.

  • The street address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • From the center of Chicago, RFD is around 145 kilometers away. It takes roughly 1 hour 40 minutes to reach the airport by car and 2 hours or so if you're on public transport.

  • Make catching an early Chicago to Yellowstone Airport flight one of the easiest parts of your trip. Stay at one of these hotels near Chicago Rockford International Airport and head to your check-in counter with time to spare:

  • Flights that take off from RFD land at their destination as scheduled 71% of the time.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

About Yellowstone Airport (WYS)

How to find the cheapest flights from Chicago to Yellowstone Airport (WYS)

  • Currently, $209 is the lowest price we've found for a one-way ticket from Chicago to Yellowstone Airport. The cheapest price for a return flight is $303. Remember fares can change due to availability at the time of booking.

  • Booking in advance is often the key to scoring a cheap flight from Chicago to WYS. Fares tend to rise as seats fill up, so the closer you get to departure, the more it could cost you.

  • If you have some flexibility with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price across the month when searching for your Chicago to Yellowstone Airport ticket.

  • Save time searching for cheap plane tickets from Chicago to WYS by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Save on your flight from Chicago to Yellowstone Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Chicago to Yellowstone Airport (WYS)

  • It's time to work out when to book your flight from Chicago to Yellowstone Airport (WYS). August is the peak month for travel to West Yellowstone. If a slower pace sounds more appealing, go in October.

  • When booking your Chicago to WYS plane ticket, consider the kind of weather you prefer. July is the warmest month in West Yellowstone, with temperatures ranging from 6ºC (43ºF) to 27ºC (81ºF).

  • Search for cheap tickets from Chicago to Yellowstone Airport in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between -17ºC (1ºF) and -3ºC (27ºF).

More about West Yellowstone

  • Start your West Yellowstone trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Chicago to Yellowstone Airport, browse our range of accommodation options including:

  • Your trip to West Yellowstone isn't complete without checking out the sights. Major attractions you can't miss include Yellowstone Historic Center, Yellowstone Nature Connection and Grizzly and Wolf Discovery Center.

Explore more of the United States

  • Billings is just one of the many cities in the United States waiting to be explored after you've experienced West Yellowstone. Around 241 kilometers away to the northeast, well-known attractions include Museum of Women's History, Yellowstone Art Museum and The Rimrocks.

  • Idaho Falls is another well-known destination in the United States and is around 153 kilometers southwest of West Yellowstone. No journey is complete without experiencing Snake River Greenbelt, Idaho Falls River Walk and East Idaho Aquarium.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.