Find flights
When to book
FAQs & Tips
Direct Flights
Deals

$94 Find cheap flights from Idaho to Chicago

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 6/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Fri 6/14
Fri 6/21

Search hundreds of travel sites at once for deals on flights to Chicago

In the last 7 days travelers have searched 42,393,389 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

February

High season

August

Cheapest flight

$94
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Boise to Chicago O'Hare Airport

FAQs for booking flights from Idaho to Chicago

  • How does KAYAK find such low prices on flights from Idaho to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to Chicago?

Find which airlines fly direct from Idaho to Chicago, which days they fly and book direct flights.

Nonstop departures

Idaho to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Idaho

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Chicago

Recent round-trip flight deals

6/1Sat
1 stopSpirit Airlines
12h 46mBOI-ORD
6/12Wed
1 stopSpirit Airlines
6h 54mORD-BOI
$148
5/29Wed
1 stopSpirit Airlines
8h 54mBOI-ORD
6/4Tue
1 stopSpirit Airlines
8h 12mORD-BOI
$150
6/20Thu
1 stopSun Country Air
15h 33mGEG-ORD
6/23Sun
1 stopSun Country Air
12h 54mORD-GEG
$216
6/12Wed
3 stops
24h 39mBOI-ORD
6/18Tue
1 stop
11h 47mORD-BOI
$217
6/19Wed
1 stop
8h 11mBOI-ORD
6/21Fri
1 stop
21h 12mORD-BOI
$237
6/26Wed
1 stopDelta
9h 03mBOI-ORD
7/3Wed
1 stopDelta
8h 53mORD-BOI
$248
8/30Fri
1 stopDelta
6h 26mBOI-MDW
9/7Sat
2 stopsDelta
8h 07mMDW-BOI
$253
6/9Sun
1 stopSun Country Air
22h 21mGEG-ORD
6/12Wed
1 stopSun Country Air
22h 40mORD-GEG
$277
8/5Mon
1 stopUnited Airlines
5h 32mBOI-ORD
8/18Sun
nonstopUnited Airlines
3h 50mORD-BOI
$287
7/31Wed
1 stopUnited Airlines
5h 32mBOI-ORD
8/14Wed
nonstopUnited Airlines
3h 50mORD-BOI
$322

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/25Tue
1 stopAmerican Airlines
8h 39mBOI-ORD
$94
5/22Wed
1 stopSpirit Airlines
8h 54mBOI-ORD
$101
6/8Sat
1 stopSpirit Airlines
6h 34mBOI-ORD
$103
6/14Fri
1 stopDelta
7h 26mBOI-ORD
$124
6/9Sun
1 stopSun Country Air
22h 21mGEG-ORD
$130
10/26Sat
1 stopDelta
6h 59mGEG-MDW
$134
6/26Wed
2 stops
18h 30mBOI-ORD
$134
9/3Tue
2 stopsAlaska Airlines
9h 15mGEG-ORD
$162
9/3Tue
1 stopAlaska Airlines
9h 08mGEG-ORD
$191
6/9Sun
2 stops
22h 59mGEG-MDW
$197

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/16Thu
multi-stopSpirit Airlines
8h 50mBOI-ORD
5/30Thu
multi-stopSpirit Airlines
7h 54mORD-BOI
$351
5/19Sun
multi-stopSpirit Airlines
24h 05mBOI-ORD
5/23Thu
multi-stopSpirit Airlines
7h 47mORD-BOI
$375
5/16Thu
multi-stopUnited Airlines
5h 46mBOI-ORD
5/30Thu
nonstopUnited Airlines
4h 02mORD-BOI
$454
5/17Fri
multi-stop
15h 10mBOI-ORD
5/20Mon
multi-stop
21h 30mORD-BOI
$463
5/19Sun
multi-stop
18h 51mBOI-ORD
5/23Thu
multi-stop
11h 24mORD-BOI
$468
5/19Sun
multi-stopAmerican Airlines
6h 58mGEG-ORD
5/23Thu
multi-stopAmerican Airlines
9h 14mORD-GEG
$493
5/20Mon
multi-stopDelta
11h 17mGEG-MDW
5/25Sat
multi-stopDelta
7h 54mMDW-GEG
$498
5/20Mon
multi-stopDelta
8h 20mGEG-ORD
5/25Sat
multi-stopDelta
12h 04mORD-GEG
$498
5/16Thu
nonstopUnited Airlines
3h 37mBOI-ORD
5/30Thu
nonstopUnited Airlines
3h 52mORD-BOI
$504
5/16Thu
multi-stopAmerican Airlines
9h 20mIDA-ORD
5/20Mon
multi-stopAmerican Airlines
6h 20mORD-IDA
$814

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Idaho

Cabin classes:

$1,133
$1,544
$1,043
$557