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Cheap flights from Illinois to Pocatello from $427

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Pocatello departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Pocatello

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:27 pm - 6:22 pm
STL
-
PIH
4h 55m
1 stop
Delta Logo
7:00 pm - 12:30 am
PIH
-
STL
4h 30m
1 stop
$427Delta
Fri, May 8 - Sun, May 10
Delta Logo
8:53 am - 6:22 pm
STL
-
PIH
10h 29m
2 stops
Delta Logo
7:00 pm - 12:30 am
PIH
-
STL
4h 30m
1 stop
$628Delta
Fri, May 8 - Sun, May 10
Delta Logo
5:55 am - 6:25 pm
MLI
-
PIH
13h 30m
2 stops
Delta Logo
11:44 am - 10:30 pm
PIH
-
MLI
9h 46m
2 stops
$776Delta
Tue, Aug 11 - Tue, Aug 25
Delta Logo
5:55 am - 6:25 pm
MLI
-
PIH
13h 30m
2 stops
Delta Logo
11:44 am - 10:30 pm
PIH
-
MLI
9h 46m
2 stops
$836Delta
Tue, Aug 11 - Tue, Aug 25
Delta Logo
7:20 am - 11:47 am
ORD
-
PIH
5h 27m
1 stop
Delta Logo
12:30 pm - 6:05 pm
PIH
-
ORD
4h 35m
1 stop
$895Delta
Mon, Mar 16 - Fri, Mar 20
Delta Logo
7:15 am - 11:47 am
STL
-
PIH
5h 32m
1 stop
Delta Logo
12:30 pm - 11:25 pm
PIH
-
STL
9h 55m
2 stops
$916Delta
Tue, Mar 17 - Sat, Mar 21
Delta Logo
7:20 am - 11:47 am
ORD
-
PIH
5h 27m
1 stop
Delta Logo
12:30 pm - 9:26 pm
PIH
-
ORD
7h 56m
2 stops
$992Delta
Mon, Mar 16 - Fri, Mar 20
Delta Logo
8:53 am - 6:22 pm
STL
-
PIH
10h 29m
2 stops
Delta Logo
11:45 am - 11:59 pm
PIH
-
STL
11h 14m
2 stops
$1,037Delta
Fri, May 8 - Sun, May 10

Delta flights from Illinois to Pocatello

Our best Delta deals on Illinois to Pocatello flight tickets
Delta
May 8
STL2:27 pmLambert-St Louis
4h 55m
1 stop
PIH6:22 pmPocatello
May 10
PIH7:00 pmPocatello
4h 30m
1 stop
STL12:30 amLambert-St Louis
$427
Delta
May 8
STL8:53 amLambert-St Louis
10h 29m
2 stops
PIH6:22 pmPocatello
May 10
PIH7:00 pmPocatello
4h 30m
1 stop
STL12:30 amLambert-St Louis
$628
Delta
Aug 11
MLI5:55 amMoline Quad-City
13h 30m
2 stops
PIH6:25 pmPocatello
Aug 25
PIH11:44 amPocatello
9h 46m
2 stops
MLI10:30 pmMoline Quad-City
$776

momondo 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, momondo users made 832,500 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Illinois to Pocatello that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Fri 5/8

2:27 pm-6:22 pm

1 stop4h 55m

Pocatello

Sun 5/10

7:00 pm-12:30 am

1 stop4h 30m

$427

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Fri 5/8

8:53 am-6:22 pm

2 stops10h 29m

Pocatello

Sun 5/10

7:00 pm-12:30 am

1 stop4h 30m

$628

MolinePocatello

MLI - PIH

MLIPIH

Moline Quad-City

Tue 8/11

5:55 am-6:25 pm

2 stops13h 30m

Pocatello

Tue 8/25

11:44 am-10:30 pm

2 stops9h 46m

$776

MolinePocatello

MLI - PIH

MLIPIH

Moline Quad-City

Tue 8/11

5:55 am-6:25 pm

2 stops13h 30m

Pocatello

Tue 8/25

11:44 am-10:30 pm

2 stops9h 46m

$836

ChicagoPocatello

ORD - PIH

ORDPIH

Chicago O'Hare Intl

Mon 3/16

7:20 am-11:47 am

1 stop5h 27m

Pocatello

Fri 3/20

12:30 pm-6:05 pm

1 stop4h 35m

$895

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Tue 3/17

7:15 am-11:47 am

1 stop5h 32m

Pocatello

Sat 3/21

12:30 pm-11:25 pm

2 stops9h 55m

$916

ChicagoPocatello

ORD - PIH

ORDPIH

Chicago O'Hare Intl

Mon 3/16

7:20 am-11:47 am

1 stop5h 27m

Pocatello

Fri 3/20

12:30 pm-9:26 pm

2 stops7h 56m

$992

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Fri 5/8

8:53 am-6:22 pm

2 stops10h 29m

Pocatello

Sun 5/10

11:45 am-11:59 pm

2 stops11h 14m

$1,037

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Sat 3/14

7:15 am-11:47 am

1 stop5h 32m

$480

St. LouisPocatello

STL - PIH

STLPIH

Lambert-St Louis

Sat 3/14

7:15 am-11:47 am

1 stop5h 32m

$608

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Pocatello from

How to get the cheapest flight ticket from Illinois to Pocatello

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Pocatello?

Delta is the most popular carrier operating from Illinois to Pocatello

What airlines fly to Pocatello?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Pocatello from Illinois according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Pocatello. Keep in mind that there are 3 different airlines that fly to Pocatello on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Pocatello flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Pocatello

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Illinois to Pocatello takes 4h 55m
There are no direct flights from Illinois to Pocatello. There are no popular flight routes from Illinois to Pocatello.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Pocatello Airport?

    Prices for flights from Illinois to Pocatello Airport refresh daily.

  • How old do you have to be to fly from Illinois to Pocatello Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Pocatello Airport.

  • What documentation or ID do you need to fly to Pocatello Airport?

    The required travel and health documents for your Pocatello Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Pocatello Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Pocatello?

Book flights to Pocatello if you plan to visit one of these locations
Lava Hot Springs
Montpelier

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Pocatello?

It is quick and easy to find Illinois to Pocatello flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pocatello that suits you.

Can I find flights from Illinois to Pocatello with flexible booking policies on momondo?

momondo does allow users to show only those flights to Pocatello from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Pocatello?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Pocatello.

I’m not ready to book a flight from Illinois to Pocatello right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Pocatello now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pocatello and let you know when they change.

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