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Cheap flights from Idaho to Illinois from $96

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 2/3. 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.
1:10 pm - 11:59 pmGEG-ORD
8h 49m1 stop
4:15 pm - 8:16 pmORD-GEG
6h 01m1 stop
$199Delta
Find Deal
Tue, Jan 28 - Sat, Feb 1
1:10 pm - 10:20 pmGEG-MDW
7h 10m1 stop
9:33 am - 4:50 pmMDW-GEG
9h 17m2 stops
$204Delta
Find Deal
Sat, Feb 1 - Sat, Feb 8
11:50 am - 2:40 pmGEG-ORD
24h 50m1 stop
6:55 pm - 11:43 pmORD-GEG
6h 48m1 stop
$223Alaska Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
2:46 pm - 11:59 pmBOI-ORD
8h 13m1 stop
6:00 am - 1:47 pmORD-BOI
8h 47m1 stop
$228Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Apr 30
8:00 am - 12:45 pmBOI-ORD
3h 45mnonstop
8:45 am - 12:00 pmORD-BOI
4h 15mnonstop
$249United Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 22
7:41 pm - 6:07 amBOI-ORD
9h 26m1 stop
5:44 pm - 6:46 pmORD-BOI
26h 02m2 stops
$255Spirit Airlines
Find Deal
Fri, Feb 28 - Sun, Mar 2
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
7:10 am - 1:23 pmORD-BOI
7h 13m1 stop
$259United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
2:07 pm - 11:57 pmBOI-STL
8h 50m1 stop
6:44 am - 1:37 pmSTL-BOI
7h 53m1 stop
$261American Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
7:38 pm - 5:31 amBOI-ORD
8h 53m1 stop
11:35 am - 6:46 pmORD-BOI
32h 11m3 stops
$264Spirit Airlines
Find Deal
Thu, Feb 6 - Wed, Feb 12
3:21 pm - 11:57 pmGEG-STL
6h 36m1 stop
6:44 am - 1:49 pmSTL-GEG
9h 05m1 stop
$265American Airlines
Find Deal
Sat, Feb 8 - Wed, Feb 12
7:38 pm - 5:31 amBOI-ORD
8h 53m1 stop
$96Spirit Airlines
Find Deal
Mon, Feb 3
5:00 am - 1:30 pmGEG-ORD
6h 30m1 stop
$100Delta
Find Deal
Sat, Feb 8
2:40 pm - 11:59 pmBOI-ORD
8h 19m1 stop
$114Alaska Airlines
Find Deal
Tue, Feb 11
8:36 pm - 5:40 amGEG-ORD
7h 04m1 stop
$124Alaska Airlines
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Wed, Apr 9
8:29 am - 4:33 pmBOI-STL
7h 04m1 stop
$131United Airlines
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Sat, Mar 1
1:40 pm - 7:31 pmGEG-ORD
3h 51mnonstop
$135American Airlines
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Wed, Jul 9
6:58 pm - 10:24 amBOI-MLI
14h 26m2 stops
$150United Airlines
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Wed, Feb 26
3:20 pm - 12:44 amGEG-ORD
7h 24m1 stop
$162American Airlines
Find Deal
Thu, Mar 13
1:55 pm - 11:35 pmGEG-MDW
7h 40m1 stop
$174Southwest
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Tue, Feb 18
5:00 am - 6:10 pmGEG-ORD
11h 10m2 stops
$179Southwest
Find Deal
Thu, Feb 20
8:30 pm - 2:03 pmGEG-ORD
15h 33m1 stop
6:55 pm - 11:43 pmORD-GEG
6h 48m1 stop
$423Alaska Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
1:10 pm - 10:20 pmGEG-MDW
7h 10m1 stop
6:59 pm - 10:51 pmMDW-GEG
5h 52m1 stop
$424Delta
Find Deal
Tue, Jan 14 - Tue, Jan 21
5:35 am - 6:14 pmGEG-MDW
10h 39m2 stops
6:59 pm - 10:51 pmMDW-GEG
5h 52m1 stop
$429Delta
Find Deal
Tue, Jan 14 - Tue, Jan 21
11:25 am - 9:22 pmGEG-ORD
7h 57m2 stops
6:15 am - 1:15 pmORD-GEG
9h 00m1 stop
$429Delta
Find Deal
Tue, Jan 14 - Tue, Jan 21
6:50 pm - 4:27 pmBOI-ORD
20h 37m1 stop
7:45 am - 4:19 pmORD-BOI
9h 34m1 stop
$439Alaska Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
5:30 am - 12:46 pmBOI-MDW
6h 16m1 stop
6:59 pm - 11:58 pmMDW-BOI
5h 59m1 stop
$439Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
7:50 am - 8:00 pmGEG-MDW
10h 10m2 stops
2:35 pm - 10:20 pmMDW-GEG
9h 45m2 stops
$454Southwest
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Tue, Jan 14 - Tue, Jan 21
7:20 am - 9:30 pmGEG-ORD
12h 10m2 stops
1:45 pm - 10:05 pmORD-GEG
10h 20m2 stops
$454Southwest
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Tue, Jan 14 - Tue, Jan 21
12:43 pm - 4:53 pmJAC-ORD
3h 10mnonstop
9:15 am - 11:42 amORD-JAC
3h 27mnonstop
$629United Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
2:32 pm - 11:59 pmBOI-ORD
8h 27m1 stop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$1,027United Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
8:00 am - 12:45 pmBOI-ORD
3h 45mnonstop
8:45 am - 12:00 pmORD-BOI
4h 15mnonstop
$249United Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 22
8:00 am - 12:45 pmBOI-ORD
3h 45mnonstop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$271United Airlines
Find Deal
Thu, Feb 6 - Wed, Feb 12
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
4:20 pm - 7:32 pmORD-BOI
4h 12mnonstop
$283United Airlines
Find Deal
Thu, Feb 6 - Wed, Feb 12
12:15 pm - 5:00 pmBOI-ORD
3h 45mnonstop
9:00 am - 12:20 pmORD-BOI
4h 20mnonstop
$309United Airlines
Find Deal
Thu, Jan 23 - Sun, Jan 26
12:47 pm - 4:51 pmJAC-ORD
3h 04mnonstop
9:52 am - 12:15 pmORD-JAC
3h 23mnonstop
$329American Airlines
Find Deal
Wed, Feb 5 - Sun, Feb 9
1:40 pm - 7:31 pmGEG-ORD
3h 51mnonstop
10:59 am - 12:59 pmORD-GEG
4h 00mnonstop
$339American Airlines
Find Deal
Tue, Jun 10 - Tue, Jun 17
12:29 pm - 4:57 pmBOI-ORD
3h 28mnonstop
9:01 am - 11:56 amORD-BOI
3h 55mnonstop
$348United Airlines
Find Deal
Sat, Jun 14 - Tue, Jun 17
1:40 pm - 7:31 pmGEG-ORD
3h 51mnonstop
10:59 am - 12:59 pmORD-GEG
4h 00mnonstop
$359American Airlines
Find Deal
Fri, Jun 20 - Mon, Jun 23
8:30 am - 1:10 pmBOI-ORD
3h 40mnonstop
7:35 pm - 10:45 pmORD-BOI
4h 10mnonstop
$363United Airlines
Find Deal
Sat, Mar 8 - Sat, Mar 15
7:15 am - 12:40 pmGEG-MDW
3h 25mnonstop
12:00 pm - 1:55 pmMDW-GEG
3h 55mnonstop
$579Southwest
Find Deal
Fri, Jun 20 - Mon, Jun 23

United Airlines flights from Idaho to Illinois

Our best United Airlines deals on Idaho to Illinois flight tickets
United Airlines
Feb 1
BOI8:00 amBoise Air Term. Gowen Fld
3h 45m
ORD12:45 pmChicago O'Hare Intl
Feb 22
ORD8:45 amChicago O'Hare Intl
4h 15m
BOI12:00 pmBoise Air Term. Gowen Fld
United Airlines
Feb 5
BOI12:15 pmBoise Air Term. Gowen Fld
3h 45m
ORD5:00 pmChicago O'Hare Intl
Feb 12
ORD7:10 amChicago O'Hare Intl
7h 13m
1 stop
BOI1:23 pmBoise Air Term. Gowen Fld
United Airlines
Feb 8
GEG5:05 amSpokane
10h 31m
2 stops
STL5:36 pmLambert-St Louis
Feb 12
STL8:27 amLambert-St Louis
8h 45m
1 stop
GEG3:12 pmSpokane

Spirit Airlines flights from Idaho to Illinois

Our best Spirit Airlines deals on Idaho to Illinois flight tickets
Spirit Airlines
Feb 28
BOI7:41 pmBoise Air Term. Gowen Fld
9h 26m
1 stop
ORD6:07 amChicago O'Hare Intl
Mar 2
ORD5:44 pmChicago O'Hare Intl
26h 02m
2 stops
BOI6:46 pmBoise Air Term. Gowen Fld
Spirit Airlines
Feb 6
BOI7:38 pmBoise Air Term. Gowen Fld
8h 53m
1 stop
ORD5:31 amChicago O'Hare Intl
Feb 12
ORD11:35 amChicago O'Hare Intl
32h 11m
3 stops
BOI6:46 pmBoise Air Term. Gowen Fld
Spirit Airlines
Feb 28
BOI7:41 pmBoise Air Term. Gowen Fld
26h 37m
2 stops
ORD11:18 pmChicago O'Hare Intl
Mar 2
ORD5:44 pmChicago O'Hare Intl
26h 02m
2 stops
BOI6:46 pmBoise 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 month to fly to Illinois?

The cheapest month to fly to Illinois from Idaho is in January. Flight prices, which tend to average around $322, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $346.

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 Sunday will generally be more expensive and average around $448. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Idaho to Illinois during this time can be as low as $306. Flights in the morning are often more expensive with an average ticket price of $442.

What is the cheapest Idaho to Illinois flight route?

Fly from Boise Air Term. Gowen Fld to Chicago Midway for the best Idaho - Illinois flight prices

How far in advance should I book a flight to Illinois?

The best time to book a flight to Illinois from Idaho is 56 days out, which is when prices tend to be around $424. In the past 72 hours, momondo users found flights from Idaho to Illinois for as low as $195.

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.

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

$96

Fastest flight time

3h 01m

Direct flights

Every day

Airports in Illinois

4 airports
The best one-way flight to Illinois from Idaho in the past 72 hours is $96. The best round-trip flight deal from Idaho to Illinois found on momondo in the last 72 hours is $199.
The fastest flight from Idaho to Illinois takes 3h 01m
Direct flights go from Idaho to Illinois every day.
There are 4 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL), Moline Quad-City (MLI)

  • 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
8,075 reviews
Search Spirit Airlines flights
DeltaPriceFrom $185Free CancellationRating
8.0
8,501 reviews
Search Delta flights
Alaska AirlinesPriceFrom $215Free CancellationRating
8.0
9,642 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
8,944 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

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