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Cheap flights from Idaho to Illinois from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Illinois departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho to Illinois

Cheap round-trip flights

These are some of the best round-trip flight deals from Idaho to Illinois that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Idaho to Illinois.

Cheap last minute flights

Planning a quick getaway from Idaho to Illinois? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Illinois, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Idaho to Illinois

Find recent round-trip train or bus tickets from Idaho to Illinois.

All round-trip flight deals to Illinois

The cheapest plane tickets to Illinois found on KAYAK recently.
1:28 pm - 11:50 pmBOI-ORD
9h 22m1 stop
6:30 am - 12:37 pmORD-BOI
7h 07m1 stop
$188American Airlines
Find Deal
Thu, Jan 9 - Tue, Jan 14
11:57 am - 5:30 amBOI-ORD
16h 33m1 stop
9:54 pm - 11:02 amORD-BOI
14h 08m1 stop
$213Spirit Airlines
Find Deal
Mon, Dec 30 - Sun, Jan 5
5:30 am - 12:46 pmBOI-MDW
6h 16m1 stop
6:59 pm - 11:58 pmMDW-BOI
5h 59m1 stop
$228Delta
Find Deal
Thu, Jan 9 - Tue, Jan 14
1:15 pm - 10:03 pmBOI-ORD
7h 48m1 stop
7:05 pm - 12:48 amORD-BOI
6h 43m1 stop
$228Delta
Find Deal
Tue, Dec 17 - Sat, Jan 4
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$249United Airlines
Find Deal
Thu, Jan 9 - Tue, Jan 14
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
4:08 pm - 9:43 pmORD-BOI
6h 35m1 stop
$259United Airlines
Find Deal
Thu, Jan 9 - Tue, Jan 14
9:54 am - 6:00 pmGEG-ORD
6h 06m1 stop
7:45 am - 12:44 pmORD-GEG
6h 59m1 stop
$283Alaska Airlines
Find Deal
Sat, Mar 1 - Thu, Mar 6
7:38 pm - 12:30 pmBOI-ORD
15h 52m2 stops
10:47 pm - 9:49 amORD-BOI
12h 02m1 stop
Sun, Jan 12 - Sat, Jan 18
7:38 pm - 11:13 pmBOI-ORD
26h 35m3 stops
10:47 pm - 9:49 amORD-BOI
12h 02m1 stop
Sun, Jan 12 - Sat, Jan 18
1:37 pm - 11:59 pmGEG-ORD
8h 22m1 stop
5:28 pm - 1:52 pmORD-GEG
22h 24m2 stops
$295Alaska Airlines
Find Deal
Thu, Jan 9 - Mon, Jan 13
1:39 pm - 10:20 pmBOI-MDW
7h 41m1 stop
$114Delta
Find Deal
Thu, Jan 23
3:21 pm - 12:40 amGEG-ORD
7h 19m1 stop
$114American Airlines
Find Deal
Tue, Dec 10
11:57 am - 5:30 amBOI-ORD
16h 33m1 stop
$132Spirit Airlines
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Mon, Dec 30
5:20 pm - 11:51 pmBOI-ORD
5h 31m1 stop
$148United Airlines
Find Deal
Tue, Dec 31
8:34 pm - 5:33 amIDA-MDW
7h 59m1 stop
Mon, Jan 6
9:46 am - 6:43 amGEG-ORD
18h 57m2 stops
Sun, Dec 15
6:00 am - 5:10 pmGEG-MDW
9h 10m1 stop
$163Southwest
Find Deal
Tue, Feb 25
11:57 am - 2:36 pmBOI-ORD
25h 39m2 stops
$167Spirit Airlines
Find Deal
Mon, Dec 30
1:10 pm - 9:30 pmGEG-MDW
6h 20m1 stop
$173Southwest
Find Deal
Sat, Jan 25
1:47 pm - 11:59 pmGEG-ORD
8h 12m1 stop
$222United Airlines
Find Deal
Sun, Dec 22
5:30 am - 1:35 pmBOI-MDW
7h 05m1 stop
7:14 pm - 11:45 pmMDW-BOI
5h 31m1 stop
$388Delta
Find Deal
Wed, Nov 27 - Fri, Dec 6
5:30 am - 5:54 pmBOI-MDW
11h 24m2 stops
7:14 pm - 11:45 pmMDW-BOI
5h 31m1 stop
$393Delta
Find Deal
Wed, Nov 27 - Fri, Dec 6
1:15 pm - 10:35 pmBOI-ORD
8h 20m1 stop
4:00 pm - 10:55 pmORD-BOI
7h 55m1 stop
$458Southwest
Find Deal
Wed, Nov 27 - Tue, Dec 3
6:05 am - 4:45 pmBOI-ORD
9h 40m2 stops
4:00 pm - 10:55 pmORD-BOI
7h 55m1 stop
$463Southwest
Find Deal
Wed, Nov 27 - Tue, Dec 3
1:32 pm - 11:49 pmBOI-ORD
9h 17m1 stop
4:02 pm - 12:58 amORD-BOI
9h 56m1 stop
$518American Airlines
Find Deal
Wed, Nov 27 - Sat, Nov 30
11:51 am - 11:52 amBOI-ORD
23h 01m1 stop
9:10 pm - 10:58 amORD-BOI
14h 48m1 stop
$570Spirit Airlines
Find Deal
Wed, Nov 27 - Wed, Dec 4
8:30 am - 1:09 pmBOI-ORD
3h 39mnonstop
7:10 am - 10:23 amORD-BOI
4h 13mnonstop
$579United Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 1
5:00 am - 2:46 pmBOI-ORD
8h 46m1 stop
7:10 am - 10:23 amORD-BOI
4h 13mnonstop
$589United Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 1
7:05 am - 3:03 pmBOI-ORD
6h 58m1 stop
6:43 pm - 12:58 amORD-BOI
7h 15m1 stop
$608American Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 1
11:51 am - 12:43 amBOI-ORD
11h 52m2 stops
9:53 pm - 10:58 amORD-BOI
14h 05m1 stop
$634Spirit Airlines
Find Deal
Sat, Nov 30 - Thu, Dec 5
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$262United Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
11:59 pm - 5:41 amGEG-ORD
3h 42mnonstop
8:15 pm - 10:27 pmORD-GEG
4h 12mnonstop
$320United Airlines
Find Deal
Fri, Dec 20 - Sat, Jan 4
11:59 pm - 5:41 amGEG-ORD
3h 42mnonstop
8:20 pm - 10:32 pmORD-GEG
4h 12mnonstop
$342United Airlines
Find Deal
Fri, Dec 20 - Fri, Jan 3
11:59 pm - 5:41 amGEG-ORD
3h 42mnonstop
8:05 pm - 10:17 pmORD-GEG
4h 12mnonstop
$359United Airlines
Find Deal
Mon, Dec 23 - Sun, Jan 5
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$369United Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
12:14 pm - 4:59 pmBOI-ORD
3h 45mnonstop
7:35 pm - 10:49 pmORD-BOI
4h 14mnonstop
$379United Airlines
Find Deal
Tue, Dec 24 - Wed, Jan 1
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
7:35 pm - 10:45 pmORD-BOI
4h 10mnonstop
$393United Airlines
Find Deal
Tue, Feb 11 - Sun, Feb 16
7:30 am - 1:14 pmGEG-ORD
3h 44mnonstop
7:45 pm - 9:56 pmORD-GEG
4h 11mnonstop
$393United Airlines
Find Deal
Thu, May 22 - Tue, May 27
8:00 am - 12:39 pmBOI-ORD
3h 39mnonstop
7:39 pm - 10:44 pmORD-BOI
4h 05mnonstop
$406United Airlines
Find Deal
Wed, Dec 11 - Sat, Dec 14
12:42 pm - 5:01 pmJAC-ORD
3h 19mnonstop
9:50 am - 12:11 pmORD-JAC
3h 21mnonstop
$693American Airlines
Find Deal
Thu, Dec 19 - Sun, Dec 22

United Airlines flights from Idaho to Illinois

Our best United Airlines deals on Idaho to Illinois flight tickets
United Airlines
Jan 9
BOI12:15 pmBoise Air Term. Gowen Fld
3h 45m
ORD5:00 pmChicago O'Hare Intl
Jan 14
ORD9:00 amChicago O'Hare Intl
4h 20m
BOI12:20 pmBoise Air Term. Gowen Fld
United Airlines
Jan 9
BOI12:15 pmBoise Air Term. Gowen Fld
3h 45m
ORD5:00 pmChicago O'Hare Intl
Jan 14
ORD4:08 pmChicago O'Hare Intl
6h 35m
1 stop
BOI9:43 pmBoise Air Term. Gowen Fld
United Airlines
Jan 10
BOI12:15 pmBoise Air Term. Gowen Fld
3h 45m
ORD5:00 pmChicago O'Hare Intl
Jan 12
ORD9:00 amChicago O'Hare Intl
4h 20m
BOI12:20 pmBoise Air Term. Gowen Fld

Spirit Airlines flights from Idaho to Illinois

Our best Spirit Airlines deals on Idaho to Illinois flight tickets
Spirit Airlines
Dec 30
BOI11:57 amBoise Air Term. Gowen Fld
16h 33m
1 stop
ORD5:30 amChicago O'Hare Intl
Jan 5
ORD9:54 pmChicago O'Hare Intl
14h 08m
1 stop
BOI11:02 amBoise Air Term. Gowen Fld
Spirit Airlines
Jan 10
BOI7:38 pmBoise Air Term. Gowen Fld
8h 53m
1 stop
ORD5:31 amChicago O'Hare Intl
Jan 12
ORD9:18 pmChicago O'Hare Intl
22h 25m
2 stops
BOI6:43 pmBoise Air Term. Gowen Fld
Spirit Airlines
Dec 26
BOI11:57 amBoise Air Term. Gowen Fld
16h 33m
1 stop
ORD5:30 amChicago O'Hare Intl
Jan 1
ORD9:54 pmChicago O'Hare Intl
14h 08m
1 stop
BOI11:02 amBoise Air Term. Gowen Fld

See travel insights to Illinois from

How to get the cheapest flight ticket from Idaho to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from Idaho to Illinois is on a Tuesday when prices can be found for as low as $382. Flights from Idaho to Illinois on a Monday will generally be more expensive and average around $504. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Idaho to Illinois flight route?

Fly from Hailey Sun Valley-Friedman to Chicago O'Hare Intl for the best Idaho - Illinois flight prices

What cabin class options are available on Idaho to Illinois flights?

There are 4 cabin classes available to choose from on Idaho to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Illinois flights?

You could potentially save up to 57% on your flight if you consider stops on a Idaho to Illinois flight.

Cheap Idaho to Illinois flight deals and tips

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

Best Price Found

$114

Fastest flight time

3h 04m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Idaho in the past 72 hours is $114. The best round-trip flight deal from Idaho to Illinois found on momondo in the last 72 hours is $188.
The fastest flight from Idaho to Illinois takes 3h 04m
Direct flights go from Idaho to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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

    Prices for flights from Idaho to Illinois refresh daily.

  • How many operators does momondo search for flights from Idaho to Illinois?

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

    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 Idaho to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Idaho to Illinois?


Best airlines flying from Idaho to Illinois

Compare and see reviews for airlines that fly from Idaho to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,173 reviews
Search Spirit Airlines flights
DeltaPriceFrom $185Free CancellationRating
8.0
8,736 reviews
Search Delta flights
Alaska AirlinesPriceFrom $215Free CancellationRating
8.0
9,473 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
9,153 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Idaho.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Idaho and alert you when they change.


An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular flights according to clicks in the last 7 days on momondo