HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$408+ Cheap flights from Pocatello (PIH) to Illinois

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PIH — ORD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Cheapest flights from Pocatello to Illinois
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 February 12, 2026.

This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 3/1812:30 pm
PIH
-
ORD
1 stop4h 35m
Delta
Sun 3/227:20 am
ORD
-
PIH
1 stop5h 27m
Delta
Deal found 2/11$487
This Delta deal was found by Cheapflights users on 2/8. 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.
Tue 2/2412:30 pm
PIH
-
STL
2 stops9h 53m
Delta
Sat 2/287:00 am
STL
-
PIH
1 stop5h 47m
Delta
Deal found 2/8$532
This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 2/2612:30 pm
PIH
-
STL
2 stops9h 53m
Delta
Mon 3/27:00 am
STL
-
PIH
1 stop5h 47m
Delta
Deal found 2/11$542
This Delta deal was found by Cheapflights users on 2/11. 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.
Wed 7/297:00 pm
PIH
-
STL
1 stop4h 36m
Delta
Sun 8/22:15 pm
STL
-
PIH
1 stop5h 10m
Delta
Deal found 2/11$573
This Delta deal was found by Cheapflights users on 2/10. 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 2/2512:30 pm
PIH
-
ORD
2 stops10h 26m
Delta
Sun 3/17:15 am
ORD
-
PIH
1 stop5h 32m
Delta
Deal found 2/10$619

Find flight deals from Pocatello to Illinois

Keep the following information in mind while searching for Pocatello to Illinois flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$487
(Delta)

One-way from

$408
(Delta)
Provider with most accurate pricing for Pocatello-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pocatello-Chicago (CHI) flights.
Search Deals
From Pocatello to Illinois
Search Deals
One-way flight from Pocatello to Illinois
Search 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 February 12, 2026.
Use the filters below to find and compare flights from Pocatello to Illinois that are best for you.

Fly from

Pocatello

Fly to

Illinois

Route

Depart

Return

Price

PocatelloChicago

PIH - ORD

PIHORD

Pocatello

Wed 3/18

12:30 pm-6:05 pm

1 stop4h 35m

Chicago O'Hare Intl

Sun 3/22

7:20 am-11:47 am

1 stop5h 27m

$487

PocatelloChicago

PIH - ORD

PIHORD

Pocatello

Wed 3/18

12:30 pm-6:05 pm

1 stop4h 35m

Chicago O'Hare Intl

Sat 3/21

7:20 am-11:47 am

1 stop5h 27m

$487

PocatelloSt. Louis

PIH - STL

PIHSTL

Pocatello

Tue 2/24

12:30 pm-11:23 pm

2 stops9h 53m

Lambert-St Louis

Sat 2/28

7:00 am-11:47 am

1 stop5h 47m

$532

PocatelloSt. Louis

PIH - STL

PIHSTL

Pocatello

Thu 2/26

12:30 pm-11:23 pm

2 stops9h 53m

Lambert-St Louis

Mon 3/2

7:00 am-11:47 am

1 stop5h 47m

$542

PocatelloSt. Louis

PIH - STL

PIHSTL

Pocatello

Wed 7/29

7:00 pm-12:36 am

1 stop4h 36m

Lambert-St Louis

Sun 8/2

2:15 pm-6:25 pm

1 stop5h 10m

$573

PocatelloChicago

PIH - ORD

PIHORD

Pocatello

Wed 2/25

12:30 pm-11:56 pm

2 stops10h 26m

Chicago O'Hare Intl

Sun 3/1

7:15 am-11:47 am

1 stop5h 32m

$619

PocatelloChicago

PIH - ORD

PIHORD

Pocatello

Tue 5/19

11:44 am-6:50 pm

1 stop6h 06m

$408

PocatelloChicago

PIH - MDW

PIHMDW

Pocatello

Tue 5/19

11:44 am-9:09 pm

2 stops8h 25m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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.
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 Pocatello to Illinois

What is the cheapest month to book a flight from Pocatello to Illinois?

Currently, June is the cheapest month in which you can book a flight from Pocatello to Illinois (average of $193). Flying from Pocatello to Illinois in July is currently the most expensive (average of $447). 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.

Related info for your journey

Find useful and relevant information for your journey from Pocatello to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Pocatello to Illinois?

    Located just 8.1 mi from the city center, Pocatello (PIH) is the airport most travelers will use when flying to Illinois from Pocatello.

  • How long is the flight from Pocatello to Illinois?

    For as low as $487, Delta can have you in Illinois from Pocatello in 4h 35m. Pocatello and Illinois are separated by a distance of 1255 mi.

  • What are the most popular routes from Pocatello to Illinois?

    Most travelers choose Pocatello - Greater Peoria, Pocatello - Chicago Midway or Pocatello - Chicago O'Hare Intl when deciding on the best route from Pocatello to Illinois.

  • Can I find deals for flights from Pocatello to Illinois that include hotel bookings?

    Yes. In addition to deals on Pocatello to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pocatello to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pocatello to Illinois.

  • Can I find deals for business class flights from Pocatello to Illinois?

    Yes. Cheapflights offers flight deals from Pocatello to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pocatello to Illinois?

    Currently, June is the cheapest month in which you can book a flight from Pocatello to Illinois (average of $193). Flying from Pocatello to Illinois in July is currently the most expensive (average of $447). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pocatello to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sky Harbor Intl flights
Boise to Las Vegas flights
Boise to Seattle flights
Spokane to Las Vegas flights
Boise to Sky Harbor Intl flights
Boise to Denver flights
Boise to Dallas/Fort Worth flights
Boise to Los Angeles flights
Spokane to O'Hare Intl flights
Spokane to Los Angeles flights
Spokane to Seattle flights
Spokane to Denver flights
Boise to Orlando flights
Boise to O'Hare Intl flights
Spokane to Dallas/Fort Worth flights
Spokane to San Diego flights
Boise to Hobby flights
Boise to San Francisco flights
Boise to San Diego flights
Spokane to Orlando flights
Boise to Burbank flights
Boise to Atlanta flights
Boise to Ontario flights
Boise to John F Kennedy Intl flights
Boise to Santa Ana flights
Boise to Honolulu flights
Boise to Minneapolis flights
Boise to Palm Springs flights
Spokane to Honolulu flights
Boise to Dulles Intl flights
Spokane to San Francisco flights
Spokane to John F Kennedy Intl flights
Boise to Newark flights
Boise to Miami flights
Boise to Portland flights
Spokane to Kahului flights
Spokane to Santa Ana flights
Boise to George Bush Intcntl flights
Spokane to Dulles Intl flights
Boise to Kahului flights
Boise to LaGuardia flights
Spokane to Newark flights
Spokane to Boise flights
Spokane to Baltimore flights
Spokane to Salt Lake City flights
Spokane to LaGuardia flights
Boise to Anchorage flights
Spokane to Lihue flights
Boise to Sacramento flights
Spokane to Portland flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.