$492+ Cheap flights from Pocatello (PIH) to Illinois
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Pocatello to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Pocatello to Illinois
Keep the following information in mind while searching for Pocatello to Illinois flight deals. Data was last updated June 12, 2025.
Round-trip from | $492 (Delta) |
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Find flight deals from Pocatello to Illinois
Cheapest flights from Pocatello to IllinoisExplore the most affordable flight options available from Pocatello to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Pocatello to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Delta deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/12. 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.
This Delta deal was found by Cheapflights users on 6/11. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Pocatello to Illinois 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 June 12, 2025.
Use the filters below to find and compare flights from Pocatello to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PocatelloSt. Louis
PIH - STL
PIHSTL
Pocatello
Sat 11/15
1:00 pm-11:02 pm
2 stops9h 02m
Lambert-St Louis
Thu 11/20
7:30 am-12:12 pm
1 stop5h 42m
PocatelloChicago
PIH - ORD
PIHORD
Pocatello
Wed 6/25
6:20 am-11:52 am
1 stop4h 32m
Chicago O'Hare Intl
Sun 6/29
7:40 am-1:50 pm
1 stop7h 10m
PocatelloChicago
PIH - MDW
PIHMDW
Pocatello
Wed 6/25
6:20 am-5:40 pm
2 stops10h 20m
Chicago Midway
Sun 6/29
1:09 pm-10:23 pm
2 stops10h 14m
PocatelloChicago
PIH - ORD
PIHORD
Pocatello
Tue 6/17
2:30 pm-10:09 pm
1 stop6h 39m
Best time to book a flight from Pocatello to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Pocatello with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Pocatello to Illinois
What is the cheapest month to book a flight from Pocatello to Illinois?
Currently, August is the cheapest month in which you can book a flight from Pocatello to Illinois (average of $245). Flying from Pocatello to Illinois in March is currently the most expensive (average of $321). 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.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 12, 2025.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC