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Find cheap flights from Montana to Chicago O'Hare Airport from $88

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 7/17. 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
Thu 6/6
Thu 6/13

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In the last 7 days travelers have searched 42,573,820 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$88
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Bozeman to Chicago O'Hare Airport

FAQs for booking Montana to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Montana to Chicago O'Hare Airport?

    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 Montana to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montana to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Montana 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 Montana to Chicago O'Hare Airport?

    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 O'Hare Airport with an airline and back to Montana with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montana to Chicago O'Hare Airport?

    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 O'Hare Airport from Montana 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 Montana to Chicago O'Hare Airport?

Find which airlines fly direct from Montana to O'Hare Intl, which days they fly and book direct flights.

Nonstop departures

Montana to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more direct flights

Nonstop returns

Chicago O'Hare Intl to Montana

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more direct flights
See more direct flights

Book cheap flights from Montana to Chicago

Recent round-trip flight deals

6/20Thu
1 stopSun Country Air
6h 28mBZN-ORD
6/23Sun
1 stopSun Country Air
5h 07mORD-BZN
$258
8/12Mon
1 stop
8h 49mMSO-ORD
8/15Thu
1 stop
8h 54mORD-MSO
$263
9/26Thu
nonstopAmerican Airlines
3h 20mMSO-ORD
9/30Mon
1 stopAmerican Airlines
7h 39mORD-MSO
$265
5/16Thu
1 stopUnited Airlines
6h 06mMSO-ORD
5/21Tue
1 stopUnited Airlines
8h 33mORD-MSO
$268
7/11Thu
2 stopsDelta
12h 15mMSO-ORD
7/15Mon
1 stopDelta
7h 18mORD-MSO
$273
9/26Thu
nonstopAmerican Airlines
3h 26mFCA-ORD
9/29Sun
nonstopAmerican Airlines
3h 41mORD-FCA
$282
9/26Thu
1 stopUnited Airlines
6h 05mMSO-ORD
9/30Mon
1 stopUnited Airlines
6h 32mORD-MSO
$297
5/29Wed
1 stopDelta
6h 00mMSO-ORD
6/5Wed
1 stopDelta
5h 52mORD-MSO
$313
10/28Mon
1 stopAlaska Airlines
6h 51mGTF-ORD
10/30Wed
1 stopAlaska Airlines
7h 05mORD-GTF
$313
5/26Sun
1 stopAlaska Airlines
6h 55mGTF-ORD
5/30Thu
1 stopAlaska Airlines
16h 15mORD-GTF
$331

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Recent one-way flight deals

7/17Wed
1 stopSun Country Air
5h 39mBZN-ORD
$88
6/5Wed
1 stopSun Country Air
8h 04mBZN-ORD
$103
7/17Wed
1 stopFrontier
8h 49mMSO-ORD
$106
7/16Tue
2 stopsDelta
12h 17mGTF-ORD
$134
6/9Sun
1 stop
7h 16mBZN-ORD
$142
5/13Mon
3 stops
28h 19mBIL-ORD
$150
7/9Tue
1 stopUnited Airlines
5h 30mBZN-ORD
$162
6/13Thu
2 stopsDelta
12h 10mFCA-ORD
$163
7/19Fri
1 stopFrontier
8h 49mMSO-ORD
$169
7/3Wed
nonstopUnited Airlines
3h 03mBZN-ORD
$193

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Last minute flights from Montana to O'Hare Intl

Last minute flight, train and bus deals

5/11Sat
multi-stopDelta
7h 52mMSO-ORD
5/13Mon
multi-stopDelta
5h 52mORD-MSO
$300
5/11Sat
multi-stopDelta
10h 00mMSO-ORD
5/13Mon
multi-stopDelta
5h 52mORD-MSO
$305
5/10Fri
multi-stopUnited Airlines
5h 49mMSO-ORD
5/22Wed
multi-stopUnited Airlines
17h 31mORD-MSO
$454
5/11Sat
multi-stopDelta
10h 00mMSO-ORD
5/13Mon
multi-stopDelta
7h 59mORD-MSO
$555
5/9Thu
multi-stopUnited Airlines
7h 36mGTF-ORD
5/12Sun
multi-stopUnited Airlines
7h 26mORD-GTF
$588
5/10Fri
multi-stopAlaska Airlines
9h 14mMSO-ORD
5/22Wed
multi-stopAlaska Airlines
11h 51mORD-MSO
$593
5/10Fri
multi-stopDelta
5h 49mBIL-ORD
5/12Sun
multi-stopDelta
5h 54mORD-BIL
$623
5/10Fri
multi-stopDelta
6h 10mBIL-ORD
5/14Tue
multi-stopDelta
9h 34mORD-BIL
$628
5/10Fri
multi-stop
18h 34mBIL-ORD
5/12Sun
multi-stop
22h 01mORD-BIL
$712
5/10Fri
multi-stop
37h 22mBIL-ORD
5/12Sun
multi-stop
22h 01mORD-BIL
$762

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