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$79 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 5/29. 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
sáb. 6/15
sáb. 6/22

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

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Good to know

Low season

February

High season

August

Cheapest flight

$79
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

5/30jue.
1 stopSpirit Airlines
8h 50mBOI-ORD
6/2dom.
1 stopSpirit Airlines
7h 47mORD-BOI
$180
6/1sáb.
1 stopSpirit Airlines
8h 25mBOI-ORD
6/15sáb.
1 stopSpirit Airlines
11h 09mORD-BOI
$185
6/20jue.
1 stopSun Country Air
15h 33mGEG-ORD
6/23dom.
1 stopSun Country Air
12h 54mORD-GEG
$216
6/26mié.
1 stopSun Country Air
17h 15mBOI-ORD
7/2mar.
1 stopSun Country Air
24h 15mORD-BOI
$235
7/3mié.
1 stop
22h 50mBOI-ORD
7/9mar.
1 stop
15h 14mORD-BOI
$239
6/12mié.
3 stops
24h 39mBOI-ORD
6/19mié.
1 stop
8h 38mORD-BOI
$245
10/22mar.
1 stopDelta
7h 32mBOI-ORD
10/25vie.
1 stopDelta
6h 00mORD-BOI
$248
8/30vie.
1 stopDelta
6h 26mBOI-MDW
9/7sáb.
2 stopsDelta
11h 38mMDW-BOI
$253
6/11mar.
nonstopUnited Airlines
3h 43mGEG-ORD
6/15sáb.
1 stopUnited Airlines
8h 22mORD-GEG
$259
6/11mar.
nonstopUnited Airlines
3h 43mGEG-ORD
6/15sáb.
nonstopUnited Airlines
4h 10mORD-GEG
$267

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Recent one-way flight deals

5/29mié.
1 stopSpirit Airlines
8h 54mBOI-ORD
$79
6/18mar.
1 stopAmerican Airlines
7h 44mBOI-ORD
$99
7/9mar.
1 stopSpirit Airlines
11h 57mBOI-ORD
$104
6/20jue.
1 stopSun Country Air
15h 33mGEG-ORD
$119
8/15jue.
1 stopDelta
6h 26mBOI-MDW
$124
6/14vie.
1 stopDelta
7h 26mBOI-ORD
$124
10/16mié.
2 stopsAlaska Airlines
9h 49mGEG-ORD
$162
6/25mar.
2 stopsAlaska Airlines
9h 43mGEG-ORD
$163
6/19mié.
3 stops
37h 25mBOI-ORD
$165
6/19mié.
2 stops
20h 21mGEG-ORD
$179

Search by stops

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Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/18sáb.
multi-stopAmerican Airlines
6h 10mBOI-ORD
5/21mar.
multi-stopAmerican Airlines
8h 00mORD-BOI
$392
5/17vie.
multi-stopSpirit Airlines
8h 25mBOI-ORD
5/20lun.
multi-stopSpirit Airlines
8h 12mORD-BOI
$393
5/21mar.
multi-stopDelta
6h 25mGEG-ORD
5/28mar.
multi-stopDelta
6h 25mORD-GEG
$396
5/21mar.
multi-stopDelta
10h 14mGEG-ORD
5/28mar.
multi-stopDelta
6h 25mORD-GEG
$401
5/18sáb.
multi-stop
8h 25mBOI-ORD
5/21mar.
multi-stop
37h 51mORD-BOI
$443
5/18sáb.
nonstopUnited Airlines
3h 37mBOI-ORD
5/20lun.
nonstopUnited Airlines
4h 05mORD-BOI
$459
5/17vie.
multi-stop
15h 10mBOI-ORD
5/20lun.
multi-stop
21h 30mORD-BOI
$463
5/18sáb.
multi-stopUnited Airlines
5h 46mBOI-ORD
5/21mar.
nonstopUnited Airlines
4h 05mORD-BOI
$469
5/17vie.
multi-stopAlaska Airlines
8h 04mGEG-ORD
5/24vie.
multi-stopAlaska Airlines
16h 02mORD-GEG
$805
5/20lun.
multi-stopAlaska Airlines
13h 07mGEG-ORD
5/24vie.
multi-stopAlaska Airlines
9h 20mORD-GEG
$858

Search by stops

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Flights to Chicago

Return flight deals:

Chicago - Idaho

Cabin classes:

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