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$72 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 6/4
Tue 6/11

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In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

August

Cheapest flight

$72
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 11% 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

5/14Tue
1 stopSpirit Airlines
8h 15mBOI-ORD
5/18Sat
1 stopSpirit Airlines
8h 12mORD-BOI
$164
6/1Sat
1 stopSpirit Airlines
8h 25mBOI-ORD
6/11Tue
1 stopSpirit Airlines
11h 47mORD-BOI
$194
5/15Wed
2 stopsSpirit Airlines
16h 48mBOI-ORD
5/21Tue
3 stopsSpirit Airlines
39h 56mORD-BOI
$196
6/5Wed
1 stopDelta
6h 26mGEG-ORD
6/10Mon
1 stopDelta
8h 51mORD-GEG
$236
6/5Wed
2 stopsDelta
11h 07mGEG-MDW
6/10Mon
1 stopDelta
6h 24mMDW-GEG
$241
5/31Fri
1 stopAmerican Airlines
6h 55mGEG-ORD
6/3Mon
1 stopAmerican Airlines
7h 25mORD-GEG
$277
7/19Fri
1 stopAmerican Airlines
9h 03mBOI-ORD
7/23Tue
1 stopAmerican Airlines
8h 24mORD-BOI
$298
7/28Sun
1 stopSun Country Air
23h 14mGEG-ORD
7/31Wed
1 stopSun Country Air
23h 33mORD-GEG
$309
9/6Fri
1 stopAlaska Airlines
6h 31mGEG-ORD
9/18Wed
2 stopsAlaska Airlines
13h 42mORD-GEG
$310
5/31Fri
1 stopAlaska Airlines
8h 04mGEG-ORD
6/3Mon
2 stopsAlaska Airlines
14h 49mORD-GEG
$320

Search by stops

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Recent one-way flight deals

5/28Tue
1 stopSpirit Airlines
8h 15mBOI-ORD
$72
6/3Mon
1 stopSpirit Airlines
12h 20mBOI-ORD
$91
5/28Tue
2 stopsSpirit Airlines
25h 14mBOI-ORD
$92
6/7Fri
1 stopDelta
8h 54mGEG-MDW
$118
5/20Mon
1 stopDelta
6h 25mGEG-ORD
$118
5/17Fri
1 stopAlaska Airlines
8h 04mGEG-ORD
$148
5/29Wed
2 stopsAlaska Airlines
11h 49mBOI-ORD
$152
7/20Sat
1 stopAmerican Airlines
6h 46mBOI-ORD
$179
8/14Wed
2 stops
19h 11mBOI-ORD
$214
7/20Sat
2 stopsAmerican Airlines
10h 20mBOI-ORD
$586

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Chicago

Last minute flight, train and bus deals

5/10Fri
multi-stopDelta
11h 21mGEG-MDW
5/13Mon
multi-stopDelta
5h 42mMDW-GEG
$351
5/10Fri
multi-stopDelta
11h 21mGEG-MDW
5/13Mon
multi-stopDelta
10h 18mMDW-GEG
$356
5/8Wed
multi-stopAmerican Airlines
6h 10mBOI-ORD
5/15Wed
multi-stopAmerican Airlines
8h 10mORD-BOI
$362
5/6Mon
multi-stopDelta
5h 46mGEG-ORD
5/8Wed
multi-stopDelta
9h 05mORD-GEG
$396
5/8Wed
multi-stopAmerican Airlines
7h 40mBOI-ORD
5/10Fri
multi-stopAmerican Airlines
9h 06mORD-BOI
$402
5/8Wed
multi-stopSpirit Airlines
8h 54mBOI-ORD
5/11Sat
multi-stopSpirit Airlines
8h 12mORD-BOI
$426
5/8Wed
multi-stopSpirit Airlines
12h 20mBOI-ORD
5/10Fri
multi-stopSpirit Airlines
18h 07mORD-BOI
$438
5/8Wed
nonstopUnited Airlines
3h 37mBOI-ORD
5/15Wed
multi-stopUnited Airlines
5h 54mORD-BOI
$498
5/8Wed
nonstopUnited Airlines
3h 37mBOI-ORD
5/15Wed
nonstopUnited Airlines
4h 05mORD-BOI
$539
5/9Thu
multi-stopAlaska Airlines
12h 14mIDA-ORD
6/7Fri
multi-stopAlaska Airlines
24h 58mORD-IDA
$734

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Idaho

Cabin classes:

$1,133
$1,262
$1,362
$539