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$73 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
Tue 6/18
Tue 6/25

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In the last 7 days travelers have searched 41,904,688 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

August

Cheapest flight

$73
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

5/28Tue
1 stopSpirit Airlines
8h 15mBOI-ORD
6/4Tue
1 stopSpirit Airlines
8h 12mORD-BOI
$146
6/1Sat
1 stopSpirit Airlines
12h 46mBOI-ORD
6/12Wed
1 stopSpirit Airlines
6h 54mORD-BOI
$178
6/11Tue
1 stopSpirit Airlines
8h 23mBOI-ORD
6/19Wed
1 stopSpirit Airlines
8h 38mORD-BOI
$180
6/18Tue
1 stop
11h 57mBOI-ORD
6/24Mon
2 stops
21h 34mORD-BOI
$235
6/9Sun
1 stopSun Country Air
22h 21mGEG-ORD
6/16Sun
1 stopSun Country Air
13h 33mORD-GEG
$242
6/19Wed
2 stops
12h 57mBOI-ORD
6/24Mon
2 stops
21h 34mORD-BOI
$242
6/14Fri
1 stopAlaska Airlines
6h 41mBOI-ORD
6/18Tue
1 stopAlaska Airlines
8h 25mORD-BOI
$248
6/10Mon
2 stopsDelta
11h 49mBOI-MDW
6/17Mon
2 stopsDelta
8h 12mMDW-BOI
$258
6/8Sat
1 stopDelta
7h 15mBOI-MDW
6/15Sat
1 stopDelta
5h 48mMDW-BOI
$268
8/6Tue
1 stopAlaska Airlines
6h 26mGEG-ORD
8/13Tue
1 stopAlaska Airlines
14h 11mORD-GEG
$271

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/28Tue
1 stopSpirit Airlines
8h 15mBOI-ORD
$73
5/25Sat
1 stopSpirit Airlines
8h 25mBOI-ORD
$93
6/13Thu
1 stopSun Country Air
15h 53mGEG-ORD
$116
8/15Thu
1 stopDelta
6h 26mBOI-MDW
$124
6/14Fri
1 stopDelta
7h 26mBOI-ORD
$124
6/27Thu
1 stopSun Country Air
23h 41mGEG-ORD
$130
6/7Fri
1 stopAlaska Airlines
8h 04mGEG-ORD
$134
7/5Fri
1 stopAlaska Airlines
12h 31mGEG-ORD
$140
6/21Fri
2 stops
22h 25mGEG-MDW
$145
6/21Fri
2 stops
13h 23mGEG-ORD
$165

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/23Thu
multi-stopSpirit Airlines
24h 05mBOI-ORD
5/28Tue
multi-stopSpirit Airlines
22h 04mORD-BOI
$269
5/22Wed
multi-stopSpirit Airlines
8h 54mBOI-ORD
5/28Tue
multi-stopSpirit Airlines
22h 04mORD-BOI
$317
5/23Thu
multi-stop
11h 25mBOI-ORD
5/26Sun
multi-stop
7h 47mORD-BOI
$365
5/22Wed
multi-stopDelta
8h 04mGEG-ORD
5/29Wed
multi-stopDelta
6h 25mORD-GEG
$388
5/23Thu
multi-stop
11h 25mBOI-ORD
5/29Wed
multi-stop
13h 48mORD-BOI
$395
5/23Thu
multi-stopAmerican Airlines
6h 36mBOI-ORD
5/27Mon
multi-stopAmerican Airlines
7h 20mORD-BOI
$428
5/20Mon
multi-stopDelta
11h 17mGEG-MDW
5/25Sat
multi-stopDelta
7h 54mMDW-GEG
$437
5/22Wed
nonstopUnited Airlines
3h 37mBOI-ORD
5/29Wed
nonstopUnited Airlines
3h 47mORD-BOI
$489
5/22Wed
nonstopUnited Airlines
3h 37mBOI-ORD
5/27Mon
multi-stopUnited Airlines
5h 41mORD-BOI
$499
5/23Thu
multi-stopAmerican Airlines
9h 00mBOI-ORD
5/27Mon
multi-stopAmerican Airlines
7h 20mORD-BOI
$840

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