$135+ Cheap flights from Montana to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — ORD
mar. 8 — mar. 151
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to O'Hare Intl
Keep the following information in mind while searching for Montana to O'Hare Intl flight deals. Data was last updated marzo 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (Mytrip) |
One-way from | $135 (Alaska Airlines) |
Popular in | November |
Cheapest in | January |
Average price | $403 |
Good round-trip deal | $388 or less |
Good one-way deal | $222 or less |
Find flight deals from Montana to O'Hare Intl
Cheapest flights from Montana to O'Hare IntlExplore the most affordable flight options available from Montana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 3, 2025.
Explore the most affordable flight options available from Montana to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 3, 2025.
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/86:00 pmFCA - ORD
1 stop28h 43mMultiple Airlines
mié. 5/142:46 pmORD - FCA
2 stops19h 49mMultiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/175:38 amMSO - ORD
Nonstop3h 29mAmerican Airlines
dom. 7/208:25 pmORD - MSO
Nonstop3h 59mAmerican Airlines
Deal found 3/2![American Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/16:29 amBIL - ORD
1 stop4h 01mDelta
lun. 4/77:25 pmORD - BIL
1 stop5h 43mDelta
Deal found 3/2![Delta logo]()
$249
This Hawaiian Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/93:52 pmGTF - ORD
1 stop7h 07mHawaiian Airlines
mié. 4/167:40 amORD - GTF
1 stop8h 32mHawaiian Airlines
Deal found 3/1![Hawaiian Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/95:30 amGTF - ORD
1 stop6h 08mDelta
mié. 4/168:50 amORD - GTF
2 stops10h 05mDelta
Deal found 3/1![Delta logo]()
$264
This Alaska Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/102:55 pmBZN - ORD
1 stop8h 04mAlaska Airlines
lun. 9/152:00 pmORD - BZN
1 stop9h 35mAlaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/66:15 pmMSO - ORD
1 stop5h 38mDelta
sáb. 5/101:45 pmORD - MSO
2 stops10h 58mDelta
Deal found 3/2![Delta logo]()
$274
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/212:11 pmBZN - ORD
2 stops23h 42mMultiple Airlines
mié. 4/93:32 pmORD - BZN
2 stops23h 09mMultiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/271:57 pmBZN - ORD
Nonstop2h 57mAmerican Airlines
dom. 3/3010:40 amORD - BZN
Nonstop3h 27mAmerican Airlines
Deal found 3/3![American Airlines logo]()
$285
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1112:40 pmBZN - ORD
Nonstop3h 07mUnited Airlines
lun. 4/219:09 amORD - BZN
Nonstop3h 28mUnited Airlines
Deal found 3/3![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/111:18 pmBZN - ORD
1 stop7h 27mDelta
lun. 4/148:50 amORD - BZN
1 stop4h 48mDelta
Deal found 3/2![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/226:15 amBIL - ORD
Nonstop2h 42mAmerican Airlines
sáb. 8/308:20 pmORD - BIL
Nonstop3h 22mAmerican Airlines
Deal found 3/2![American Airlines logo]()
$310
Find flights from Montana to O'Hare Intl within your budget
Customize your flight search to find flights from Montana to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 3, 2025.
Fly from
Montana
Fly to
O'Hare Intl
Route
Depart
Return
Price
KalispellChicago
FCA - ORD
FCAORD
Kalispell Glacier Park
jue. 5/8
6:00 pm-11:43 pm
1 stop28h 43m
Chicago O'Hare Intl
mié. 5/14
2:46 pm-9:35 am
2 stops19h 49m
$219
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
mar. 4/1
6:29 am-11:30 am
1 stop4h 01m
Chicago O'Hare Intl
lun. 4/7
7:25 pm-12:08 am
1 stop5h 43m
$249
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
mié. 4/9
3:52 pm-11:59 pm
1 stop7h 07m
Chicago O'Hare Intl
mié. 4/16
7:40 am-3:12 pm
1 stop8h 32m
$258
Great FallsChicago
GTF - ORD
GTFORD
Great Falls
mié. 4/9
5:30 am-12:38 pm
1 stop6h 08m
Chicago O'Hare Intl
mié. 4/16
8:50 am-5:55 pm
2 stops10h 05m
$264
MissoulaChicago
MSO - ORD
MSOORD
Missoula Johnson-Bell Field
mar. 5/6
6:15 pm-12:53 am
1 stop5h 38m
Chicago O'Hare Intl
sáb. 5/10
1:45 pm-11:43 pm
2 stops10h 58m
$274
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
jue. 3/27
1:57 pm-5:54 pm
Nonstop2h 57m
Chicago O'Hare Intl
dom. 3/30
10:40 am-1:07 pm
Nonstop3h 27m
$285
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
vie. 4/11
12:40 pm-4:47 pm
Nonstop3h 07m
Chicago O'Hare Intl
lun. 4/21
9:09 am-11:37 am
Nonstop3h 28m
$289
BozemanChicago
BZN - ORD
BZNORD
Bozeman Gallatin Field
vie. 4/11
1:18 pm-9:45 pm
1 stop7h 27m
Chicago O'Hare Intl
lun. 4/14
8:50 am-12:38 pm
1 stop4h 48m
$309
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
vie. 8/22
6:15 am-9:57 am
Nonstop2h 42m
Chicago O'Hare Intl
sáb. 8/30
8:20 pm-10:42 pm
Nonstop3h 22m
$310
BillingsChicago
BIL - ORD
BILORD
Billings Logan Intl
vie. 8/22
12:30 pm-4:30 pm
Nonstop3h 00m
Chicago O'Hare Intl
sáb. 8/30
5:00 am-9:51 am
1 stop5h 51m
$319
Showing 1-10 of 53 results
Best time to book a flight from Montana to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from Montana to O'Hare Intl
Get recent, data-driven insights about flights from Montana to O'Hare Intl including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Montana to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Montana to Chicago O'Hare Intl Airport (average of $245). Flying from Montana to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MT to ORD?
Find hourly flight availability from Montana to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 3, 2025.
When flying from Montana to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
Temperature in O'Hare Intl by month
Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated marzo 3, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Montana to Chicago. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Entertainment
7.6
Comfort
8.1
Boarding
8.2
Crew
8.7
Food
7.1
Overall
8.1
Reviews
1 / 20
8.0
Ila,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from Montana to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Montana?
Book flights to Montana if you plan to visit one of these locationsBeloit
Rosemont
Naperville
Racine
Hoffman Estates
Schaumburg
Tinley Park
Rockford
Skokie
Kenosha
Arlington Heights
Northbrook
Orland Park
Merrillville
Evanston
Joliet
New Buffalo
Lake Geneva
Elgin
Glenview
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Alternative routes for Montana to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Montana to O'Hare Intl
Discover the top 5 airlines that operate flights from Montana to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$205 | Average$457 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$226 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$229 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$552 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$388 | Average$390 | FlexibilityNo cancel fee | On-time63% |