$639+ Cheap flights from Illinois to Pocatello (PIH)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — PIH
Jan 17 — Jan 241
1 adult, Economy
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Cheapest flights from Illinois to PocatelloExplore the most affordable flight options available from Illinois to Pocatello. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from Illinois to Pocatello. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:25 amORD - PIH
1 stop5h 44mDelta
Sun 1/412:50 pmPIH - ORD
1 stop7h 46mDelta
Deal found 12/15![Delta logo]()
$1,044
Find flight deals from Illinois to Pocatello
Keep the following information in mind while searching for Illinois to Pocatello flight deals. Data was last updated December 18, 2025.
Round-trip from | $1,044 (Delta) |
|---|---|
One-way from | $639 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Pocatello 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 December 18, 2025.
Use the filters below to find and compare flights from Illinois to Pocatello that are best for you.
Fly from
Illinois
Fly to
Pocatello
Route
Depart
Return
Price
ChicagoPocatello
ORD - PIH
ORDPIH
Chicago O'Hare Intl
Wed 12/31
7:25 am-12:09 pm
1 stop5h 44m
Pocatello
Sun 1/4
12:50 pm-9:36 pm
1 stop7h 46m
$1,044
ChicagoPocatello
ORD - PIH
ORDPIH
Chicago O'Hare Intl
Tue 12/23
7:25 am-12:09 pm
1 stop5h 44m
$639
Best time to book a flight from Illinois to Pocatello
Have a flexible travel schedule? Discover the best time to fly to Pocatello 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.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Pocatello
What is the cheapest month to book a flight from Illinois to Pocatello?
Currently, October is the cheapest month in which you can book a flight from Illinois to Pocatello (average of $229). Flying from Illinois to Pocatello in February is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.