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ORD

$87 Find cheap flights from Montana to Chicago O'Hare Airport

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 7/22. 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 7/12
Fri 7/19

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In the last 7 days travelers have searched 43,795,805 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$87
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Missoula 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, Aeromexico, +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, Aeromexico, +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

7/13Sat
1 stopSun Country Air
9h 26mBZN-ORD
7/31Wed
1 stopSun Country Air
15h 48mORD-BZN
$195
10/28Mon
1 stopAlaska Airlines
6h 51mGTF-ORD
10/30Wed
1 stopAlaska Airlines
9h 27mORD-GTF
$206
8/15Thu
2 stopsDelta
12h 15mGTF-ORD
8/29Thu
2 stopsDelta
10h 02mORD-GTF
$216
8/8Thu
nonstopAmerican Airlines
3h 16mMSO-ORD
8/11Sun
nonstopAmerican Airlines
3h 37mORD-MSO
$229
9/10Tue
1 stopDelta
7h 13mBZN-ORD
9/14Sat
1 stopDelta
5h 27mORD-BZN
$230
9/6Fri
1 stopUnited Airlines
7h 27mGTF-ORD
9/8Sun
1 stopUnited Airlines
7h 16mORD-GTF
$249
8/20Tue
nonstopAmerican Airlines
3h 16mMSO-ORD
8/27Tue
nonstopAmerican Airlines
3h 37mORD-MSO
$266
8/8Thu
1 stopUnited Airlines
5h 34mMSO-ORD
8/11Sun
1 stopUnited Airlines
5h 31mORD-MSO
$272
7/13Sat
1 stop
9h 26mBZN-ORD
7/18Thu
2 stops
13h 24mORD-BZN
$283
9/6Fri
2 stops
24h 33mGTF-ORD
9/8Sun
1 stop
12h 45mORD-GTF
$289

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Recent one-way flight deals

7/22Mon
1 stopFrontier
8h 28mMSO-ORD
$87
8/7Wed
2 stopsDelta
12h 08mGTF-ORD
$108
9/5Thu
nonstopAmerican Airlines
3h 04mBZN-ORD
$116
8/8Thu
1 stopSun Country Air
6h 24mBZN-ORD
$123
8/21Wed
1 stopAmerican Airlines
6h 34mBZN-ORD
$125
10/30Wed
1 stopAlaska Airlines
20h 23mMSO-ORD
$127
8/8Thu
1 stop
11h 49mFCA-ORD
$131
8/2Fri
1 stop
7h 19mMSO-ORD
$145
7/10Wed
1 stopAlaska Airlines
6h 35mBZN-ORD
$157
8/2Fri
1 stopSun Country Air
7h 44mFCA-ORD
$158

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Last minute flights from Montana to O'Hare Intl

Last minute flight, train and bus deals

6/14Fri
nonstopAmerican Airlines
3h 22mMSO-ORD
6/20Thu
multi-stopAmerican Airlines
8h 58mORD-MSO
$318
6/14Fri
multi-stopAmerican Airlines
8h 55mMSO-ORD
6/20Thu
multi-stopAmerican Airlines
7h 03mORD-MSO
$327
6/14Fri
nonstopUnited Airlines
3h 20mMSO-ORD
6/19Wed
multi-stopUnited Airlines
7h 34mORD-MSO
$403
6/14Fri
multi-stopUnited Airlines
5h 53mMSO-ORD
6/19Wed
multi-stopUnited Airlines
7h 34mORD-MSO
$412
6/16Sun
multi-stop
21h 54mBIL-ORD
6/22Sat
multi-stop
12h 13mORD-BIL
$524
6/16Sun
multi-stop
21h 54mBIL-ORD
6/22Sat
multi-stop
21h 58mORD-BIL
$534
6/14Fri
multi-stopAlaska Airlines
9h 45mBZN-ORD
6/18Tue
multi-stopAlaska Airlines
10h 09mORD-BZN
$540
6/14Fri
multi-stopDelta
7h 32mMSO-ORD
6/20Thu
multi-stopDelta
12h 03mORD-MSO
$566
6/14Fri
multi-stopDelta
12h 47mMSO-ORD
6/20Thu
multi-stopDelta
12h 03mORD-MSO
$571
6/13Thu
multi-stopAlaska Airlines
9h 45mBZN-ORD
6/19Wed
multi-stopAlaska Airlines
9h 29mORD-BZN
$590

Search by stops

Search by airline

Search by price