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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 5/28. 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
Wed 6/12
Wed 6/19

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In the last 7 days travelers have searched 41,771,603 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

August

Cheapest flight

$71
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

5/31Fri
1 stopSpirit Airlines
10h 01mBOI-ORD
6/4Tue
1 stopSpirit Airlines
11h 49mORD-BOI
$158
6/1Sat
1 stopSpirit Airlines
8h 25mBOI-ORD
6/15Sat
1 stopSpirit Airlines
11h 09mORD-BOI
$199
6/11Tue
1 stop
5h 55mGEG-ORD
6/16Sun
1 stop
13h 33mORD-GEG
$236
6/9Sun
1 stopSun Country Air
22h 21mGEG-ORD
6/16Sun
1 stopSun Country Air
13h 33mORD-GEG
$242
6/9Sun
1 stop
11h 10mBOI-ORD
6/17Mon
2 stops
21h 34mORD-BOI
$247
7/20Sat
1 stopDelta
8h 20mBOI-ORD
7/23Tue
1 stopDelta
7h 07mORD-BOI
$248
6/14Fri
1 stopDelta
9h 12mBOI-MDW
6/17Mon
2 stopsDelta
8h 12mMDW-BOI
$253
8/20Tue
1 stopAmerican Airlines
8h 17mGEG-ORD
8/27Tue
1 stopAmerican Airlines
10h 36mORD-GEG
$265
6/9Sun
1 stopSun Country Air
22h 21mGEG-ORD
6/12Wed
1 stopSun Country Air
22h 40mORD-GEG
$277
8/10Sat
1 stopAmerican Airlines
7h 04mGEG-ORD
8/20Tue
1 stopAmerican Airlines
8h 29mORD-GEG
$292

Search by stops

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Search by price

Recent one-way flight deals

5/28Tue
1 stopSpirit Airlines
8h 15mBOI-ORD
$71
5/29Wed
1 stopSpirit Airlines
8h 54mBOI-ORD
$96
6/14Fri
1 stopDelta
7h 26mBOI-ORD
$124
7/28Sun
2 stopsDelta
10h 31mBOI-ORD
$129
7/4Thu
1 stopAmerican Airlines
7h 44mBOI-ORD
$144
8/20Tue
1 stopAmerican Airlines
8h 03mJAC-ORD
$160
6/25Tue
2 stopsAlaska Airlines
9h 43mGEG-ORD
$182
7/24Wed
2 stopsAlaska Airlines
13h 40mGEG-ORD
$188
7/4Thu
2 stops
18h 29mBOI-ORD
$210
7/4Thu
3 stops
23h 15mBOI-ORD
$240

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/18Sat
multi-stopSpirit Airlines
12h 46mBOI-ORD
5/21Tue
multi-stopSpirit Airlines
11h 49mORD-BOI
$252
5/17Fri
multi-stopSpirit Airlines
18h 46mBOI-ORD
5/19Sun
multi-stopSpirit Airlines
28h 41mORD-BOI
$371
5/18Sat
multi-stopSpirit Airlines
8h 25mBOI-ORD
5/21Tue
multi-stopSpirit Airlines
7h 54mORD-BOI
$397
5/17Fri
multi-stopDelta
8h 20mGEG-ORD
5/20Mon
multi-stopDelta
6h 25mORD-GEG
$441
5/17Fri
multi-stopSpirit Airlines
25h 31mBOI-ORD
5/19Sun
multi-stopSpirit Airlines
25h 25mORD-BOI
$443
5/17Fri
multi-stopDelta
11h 29mGEG-ORD
5/20Mon
multi-stopDelta
6h 25mORD-GEG
$446
5/18Sat
multi-stopAlaska Airlines
8h 16mGEG-ORD
5/23Thu
multi-stopAlaska Airlines
7h 22mORD-GEG
$473
5/18Sat
multi-stopUnited Airlines
5h 46mBOI-ORD
5/21Tue
nonstopUnited Airlines
4h 06mORD-BOI
$563
5/18Sat
nonstopUnited Airlines
3h 37mBOI-ORD
5/21Tue
nonstopUnited Airlines
4h 05mORD-BOI
$579
5/18Sat
multi-stopAlaska Airlines
8h 16mGEG-ORD
5/23Thu
multi-stopAlaska Airlines
12h 16mORD-GEG
$647

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