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$71 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 5/21. 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
Di 5/28
Di 6/4

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In the last 7 days travelers have searched 43,623,357 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

September

Cheapest flight

$71
Best time to beat the crowds with an average 30% drop in price.
Most popular time to fly with an average 6% increase in price.
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, +78 more

ANA, Aer Lingus, +79 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, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 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, +78 more

ANA, Aer Lingus, +79 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, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to Chicago

Recent round-trip flight deals

5/14Di
1 stopSpirit Airlines
8h 15mBOI-ORD
5/18Sa
1 stopSpirit Airlines
13h 55mORD-BOI
$142
5/14Di
3 stopsSpirit Airlines
29h 09mBOI-ORD
5/18Sa
1 stopSpirit Airlines
8h 12mORD-BOI
$162
5/27Mo
1 stopAlaska Airlines
6h 35mGEG-ORD
6/3Mo
1 stopAlaska Airlines
8h 38mORD-GEG
$226
6/10Mo
2 stopsDelta
10h 32mGEG-ORD
6/12Mi
1 stopDelta
8h 51mORD-GEG
$231
5/14Di
3 stops
25h 14mBOI-ORD
5/18Sa
2 stops
22h 07mORD-BOI
$241
9/4Mi
1 stopDelta
7h 41mBOI-ORD
9/5Do
1 stopDelta
9h 45mORD-BOI
$248
5/8Mi
1 stopAmerican Airlines
6h 55mGEG-ORD
5/14Di
1 stopAmerican Airlines
8h 04mORD-GEG
$256
5/29Mi
2 stopsAlaska Airlines
7h 46mGEG-ORD
6/1Sa
1 stopAlaska Airlines
7h 34mORD-GEG
$260
7/30Di
1 stopAmerican Airlines
9h 02mGEG-ORD
8/6Di
1 stopAmerican Airlines
9h 25mORD-GEG
$291
7/9Di
1 stop
27h 19mBOI-ORD
7/12Fr
1 stop
25h 14mORD-BOI
$307

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/21Di
1 stopSpirit Airlines
12h 10mBOI-ORD
$71
5/21Di
3 stopsSpirit Airlines
29h 09mBOI-ORD
$84
5/21Di
2 stopsSpirit Airlines
25h 14mBOI-ORD
$85
8/31Sa
1 stopAmerican Airlines
9h 50mGEG-ORD
$112
6/7Fr
1 stopDelta
8h 54mGEG-MDW
$113
5/27Mo
1 stopDelta
6h 34mGEG-ORD
$113
5/22Mi
1 stopAlaska Airlines
10h 05mGEG-ORD
$138
7/7So
1 stopSun Country Air
22h 30mGEG-ORD
$145
5/4Sa
1 stopAmerican Airlines
6h 08mBOI-ORD
$156
7/8Mo
1 stopAlaska Airlines
6h 26mGEG-ORD
$179

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/1Mi
multi-stopSpirit Airlines
8h 08mBOI-ORD
5/7Di
multi-stopSpirit Airlines
23h 22mORD-BOI
$335
4/29Mo
multi-stopDelta
8h 05mGEG-ORD
5/3Fr
multi-stopDelta
7h 09mORD-GEG
$386
5/2Do
multi-stopDelta
6h 00mBOI-ORD
5/6Mo
multi-stopDelta
7h 08mORD-BOI
$428
5/1Mi
multi-stopDelta
6h 00mBOI-ORD
5/7Di
multi-stopDelta
10h 59mORD-BOI
$433
5/3Fr
multi-stopAmerican Airlines
8h 31mBOI-ORD
5/5So
multi-stopAmerican Airlines
8h 20mORD-BOI
$435
5/1Mi
multi-stopDelta
5h 41mGEG-ORD
5/2Do
multi-stopDelta
10h 36mORD-GEG
$467
5/1Mi
multi-stopDelta
12h 02mGEG-MDW
5/2Do
multi-stopDelta
10h 26mMDW-GEG
$472
5/3Fr
nonstopUnited Airlines
3h 37mBOI-ORD
5/5So
nonstopUnited Airlines
4h 06mORD-BOI
$489
5/1Mi
multi-stopUnited Airlines
5h 41mBOI-ORD
5/7Di
nonstopUnited Airlines
4h 06mORD-BOI
$498
4/29Mo
multi-stopAlaska Airlines
8h 50mGEG-ORD
5/3Fr
multi-stopAlaska Airlines
11h 05mORD-GEG
$665

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Idaho

Cabin classes:

$1,133
$1,262
$1,789
$552