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$76 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
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

August

Cheapest flight

$76
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

6/1Sat
1 stopSpirit Airlines
12h 46mBOI-ORD
6/4Tue
1 stopSpirit Airlines
8h 12mORD-BOI
$163
7/15Mon
1 stopAmerican Airlines
6h 54mBOI-ORD
7/20Sat
1 stopAmerican Airlines
7h 36mORD-BOI
$168
6/13Thu
1 stopDelta
8h 58mGEG-ORD
6/18Tue
1 stopDelta
6h 50mORD-GEG
$216
7/21Sun
1 stopDelta
6h 05mGEG-ORD
7/24Wed
1 stopDelta
7h 20mORD-GEG
$227
6/13Thu
1 stop
6h 26mGEG-ORD
6/16Sun
1 stop
13h 33mORD-GEG
$234
6/18Tue
1 stop
11h 57mBOI-ORD
6/24Mon
2 stops
21h 34mORD-BOI
$235
8/6Tue
1 stopUnited Airlines
5h 32mBOI-ORD
8/10Sat
1 stopUnited Airlines
5h 24mORD-BOI
$248
6/13Thu
1 stopAlaska Airlines
6h 10mGEG-ORD
6/18Tue
2 stopsAlaska Airlines
17h 05mORD-GEG
$260
6/10Mon
1 stopAlaska Airlines
6h 50mGEG-ORD
6/12Wed
1 stopAlaska Airlines
16h 59mORD-GEG
$272
6/5Wed
1 stopUnited Airlines
5h 24mBOI-ORD
6/11Tue
nonstopUnited Airlines
3h 52mORD-BOI
$280

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/28Tue
1 stopSpirit Airlines
12h 10mBOI-ORD
$76
6/13Thu
1 stopAmerican Airlines
9h 36mGEG-ORD
$78
5/28Tue
1 stopAlaska Airlines
5h 55mGEG-ORD
$100
8/23Fri
1 stopDelta
8h 17mGEG-MDW
$108
6/13Thu
1 stopDelta
8h 58mGEG-ORD
$108
6/26Wed
2 stops
18h 30mBOI-ORD
$112
6/20Thu
1 stopSun Country Air
15h 33mGEG-ORD
$135
7/7Sun
1 stopSun Country Air
22h 30mGEG-ORD
$138
5/28Tue
1 stopAlaska Airlines
5h 55mGEG-ORD
$145
5/28Tue
3 stops
17h 35mBOI-ORD
$149

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-stopAmerican Airlines
6h 58mGEG-ORD
5/26Sun
multi-stopAmerican Airlines
9h 36mORD-GEG
$168
5/27Mon
multi-stopDelta
6h 19mGEG-ORD
5/30Thu
multi-stopDelta
8h 33mORD-GEG
$388
5/27Mon
multi-stopDelta
11h 24mGEG-ORD
5/30Thu
multi-stopDelta
6h 13mORD-GEG
$393
5/23Thu
multi-stopUnited Airlines
6h 10mBOI-ORD
5/27Mon
nonstopUnited Airlines
3h 52mORD-BOI
$469
5/24Fri
multi-stopAlaska Airlines
5h 55mGEG-ORD
5/27Mon
multi-stopAlaska Airlines
8h 38mORD-GEG
$510
5/24Fri
multi-stopSpirit Airlines
21h 18mBOI-ORD
5/27Mon
multi-stopSpirit Airlines
25h 33mORD-BOI
$516
5/23Thu
nonstopUnited Airlines
3h 31mBOI-ORD
5/27Mon
nonstopUnited Airlines
3h 52mORD-BOI
$535
5/24Fri
multi-stopSpirit Airlines
20h 19mBOI-ORD
5/27Mon
multi-stopSpirit Airlines
25h 25mORD-BOI
$587
5/23Thu
multi-stopAlaska Airlines
5h 55mGEG-ORD
5/27Mon
multi-stopAlaska Airlines
10h 59mORD-GEG
$700
5/23Thu
multi-stop
18h 45mBOI-ORD
5/27Mon
multi-stop
37h 55mORD-BOI
$880

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Idaho

Cabin classes:

$1,960
$1,544
$968
$459