Find flights
When to book
FAQs & Tips
Direct Flights
Deals

ORD

$88 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 7/25. 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
tir. 7/2
tir. 7/9

Search hundreds of travel sites at once for deals on flights to Chicago O'Hare Airport

In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

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 12% 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, +78 more

ANA, Aer Lingus, +79 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, +78 more

ANA, Aer Lingus, +79 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

8/22tor.
1 stopDelta
7h 44mGTF-ORD
8/26man.
2 stopsDelta
10h 02mORD-GTF
$211
8/22tor.
2 stopsDelta
12h 15mGTF-ORD
8/26man.
2 stopsDelta
10h 02mORD-GTF
$216
9/25ons.
nonstopAmerican Airlines
3h 24mMSO-ORD
10/1tir.
nonstopAmerican Airlines
3h 38mORD-MSO
$229
6/28fre.
nonstopUnited Airlines
3h 19mMSO-ORD
6/30søn.
1 stopUnited Airlines
5h 35mORD-MSO
$239
11/14tor.
1 stopAlaska Airlines
8h 13mMSO-ORD
11/18man.
1 stopAlaska Airlines
8h 30mORD-MSO
$248
7/1man.
1 stopUnited Airlines
5h 04mCOD-ORD
7/7søn.
1 stopUnited Airlines
5h 11mORD-COD
$254
9/27fre.
nonstopAmerican Airlines
3h 24mMSO-ORD
9/30man.
1 stopAmerican Airlines
7h 32mORD-MSO
$276
11/14tor.
1 stopAlaska Airlines
8h 13mMSO-ORD
11/18man.
2 stopsAlaska Airlines
20h 53mORD-MSO
$293
7/2tir.
1 stop
13h 20mMSO-ORD
7/9tir.
1 stop
16h 28mORD-MSO
$307
7/17ons.
3 stops
18h 01mBZN-ORD
7/21søn.
1 stop
5h 13mORD-BZN
$351

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/25tor.
1 stopSun Country Air
6h 04mBZN-ORD
$88
7/20lør.
2 stopsDelta
11h 59mGTF-ORD
$108
7/14søn.
1 stop
7h 20mBZN-ORD
$149
7/10ons.
1 stopAlaska Airlines
6h 35mBZN-ORD
$157
8/21ons.
nonstopAmerican Airlines
3h 25mFCA-ORD
$165
8/13tir.
2 stopsAlaska Airlines
19h 45mFCA-ORD
$168
9/2man.
1 stopFrontier
28h 07mMSO-ORD
$169
6/17man.
1 stopAmerican Airlines
7h 15mFCA-ORD
$174
7/20lør.
2 stops
18h 01mBZN-ORD
$174
6/12ons.
2 stopsFrontier
18h 18mMSO-ORD
$182

Search by stops

Search by airline

Search by price

Last minute flights from Montana to O'Hare Intl

Last minute flight, train and bus deals

6/6tor.
nonstopAmerican Airlines
3h 27mFCA-ORD
6/9søn.
nonstopAmerican Airlines
3h 49mORD-FCA
$317
6/3man.
multi-stopAmerican Airlines
8h 32mMSO-ORD
6/6tor.
nonstopAmerican Airlines
3h 38mORD-MSO
$323
6/6tor.
multi-stopAmerican Airlines
7h 18mFCA-ORD
6/9søn.
nonstopAmerican Airlines
3h 49mORD-FCA
$327
6/3man.
multi-stopAmerican Airlines
8h 32mMSO-ORD
6/6tor.
multi-stopAmerican Airlines
10h 30mORD-MSO
$332
6/3man.
nonstopUnited Airlines
3h 20mMSO-ORD
6/6tor.
nonstopUnited Airlines
3h 43mORD-MSO
$393
6/4tir.
multi-stopAlaska Airlines
8h 03mMSO-ORD
6/6tor.
multi-stopAlaska Airlines
10h 50mORD-MSO
$675
6/3man.
multi-stopAlaska Airlines
8h 03mMSO-ORD
6/6tor.
multi-stopAlaska Airlines
10h 50mORD-MSO
$744
6/6tor.
multi-stopUnited Airlines
8h 29mFCA-ORD
6/9søn.
multi-stopUnited Airlines
15h 26mORD-FCA
$756
6/3man.
multi-stopDelta
8h 02mMSO-ORD
6/6tor.
multi-stopDelta
9h 32mORD-MSO
$839
6/6tor.
multi-stopDelta
9h 55mFCA-ORD
6/9søn.
multi-stopDelta
11h 59mORD-FCA
$948

Search by stops

Search by airline

Search by price

Flights to Chicago O'Hare Airport

Destination:

Chicago O'Hare Airport (ORD)United States

Return flight deals:

Chicago O'Hare Airport - Montana

Cabin classes:

$880
$1,308
$1,104
$315

Browse origins:

$448
Flights from Helena to Chicago O'Hare Intl Airport
$289
Flights from Kalispell to Chicago O'Hare Intl Airport
$248
Flights from Missoula to Chicago O'Hare Intl Airport
$254
Flights from Worldwide to Chicago O'Hare Intl Airport
View more

Browse destinations: