$493+ Cheap flights from Illinois to West Yellowstone (WYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — WYS
Feb 28 — Mar 71
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to West Yellowstone
Keep the following information in mind while searching for Illinois to West Yellowstone flight deals. Data was last updated February 23, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $493 (United Airlines) |
Find flight deals from Illinois to West Yellowstone
Cheapest flights from Illinois to West YellowstoneExplore the most affordable flight options available from Illinois to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2025.
Explore the most affordable flight options available from Illinois to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2025.
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:29 pmSTL - WYS
2 stops20h 43mUnited Airlines
Fri 5/161:51 pmWYS - STL
1 stop25h 42mUnited Airlines
Deal found 2/22![United Airlines logo]()
$493
This United deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/35:02 amORD - WYS
1 stop9h 10mUnited Airlines
Sat 6/71:48 pmWYS - ORD
1 stop7h 53mUnited Airlines
Deal found 2/22![United Airlines logo]()
$538
Find flights from Illinois to West Yellowstone within your budget
Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated February 23, 2025.
Fly from
Illinois
Fly to
West Yellowstone
Route
Depart
Return
Price
St. LouisWest Yellowstone
STL - WYS
STLWYS
Lambert-St Louis
Mon 5/12
5:29 pm-1:12 pm
2 stops20h 43m
West Yellowstone
Fri 5/16
1:51 pm-4:33 pm
1 stop25h 42m
$493
Best time to book a flight from Illinois to West Yellowstone
Have a flexible travel schedule? Discover the best time to fly to West Yellowstone from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from Illinois to West Yellowstone
Get recent, data-driven insights about flights from Illinois to West Yellowstone including ideal travel times, pricing trends, and more.
Rainfall in West Yellowstone by month
Plan your trip to West Yellowstone by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in West Yellowstone ranges from 1.2 - 2.0 inches per month. January is typically the wettest month, when rainfall can reach 2.0 in. April is typically the driest time to visit West Yellowstone when rainfall is around 1.2 in.
Temperature in West Yellowstone by month
Plan your trip to West Yellowstone by taking into account the average temperature totals by month.
If weather is an important factor for your trip to West Yellowstone, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 15.8 F).
Reviews of airlines servicing West Yellowstone
Get insights into the airlines that provide service to West Yellowstone. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to West Yellowstone. Reviews last updated February 23, 2025.
Boarding
7.7
Food
6.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Boarding
7.7
Food
6.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Comfort
7.3
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Related info for your journey
Find useful and relevant information for your journey from Illinois to West Yellowstone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Illinois if you plan to visit one of these locationsIsland Park
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Alternative routes for Illinois to West Yellowstone
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to West Yellowstone
Discover the top airline that operate flights from Illinois to West Yellowstone. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$745 | FlexibilityNo cancel fee | On-timeN/A |