HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$116+ Cheap flights from Ontario (ONT) to Montana

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BZN
nov. 25 — dic. 21
lun. 11/25
lun. 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Montana with Cheapflights

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 Ontario to Montana

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Montana (USMT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 20, 2024.

Find flight deals from Ontario to Montana

Cheapest flights from Ontario to Montana
Explore the most affordable flight options available from Ontario to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. 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. 12/65:10 pmONT - BZN
1 stop6h 23mDelta
lun. 12/96:45 pmBZN - ONT
1 stop6h 29mDelta
Deal found 11/19$236
This Delta deal was found by Cheapflights users on 11/20. 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. 12/115:10 pmONT - FCA
1 stop6h 40mDelta
sáb. 12/146:15 pmFCA - ONT
1 stop5h 46mDelta
Deal found 11/20$254
This Delta deal was found by Cheapflights users on 11/20. 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. 12/136:00 amONT - BIL
1 stop4h 00mDelta
dom. 12/156:45 pmBIL - ONT
1 stop6h 28mDelta
Deal found 11/20$274
This United Airlines deal was found by Cheapflights users on 11/20. 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. 12/61:40 pmONT - BZN
1 stop6h 55mUnited Airlines
lun. 12/94:25 pmBZN - ONT
1 stop5h 22mUnited Airlines
Deal found 11/20$302
This United Airlines deal was found by Cheapflights users on 11/20. 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.
jue. 12/125:05 amONT - FCA
1 stop7h 31mUnited Airlines
sáb. 12/142:38 pmFCA - ONT
1 stop7h 09mUnited Airlines
Deal found 11/20$334
This Southwest deal was found by Cheapflights users on 11/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/131:45 pmONT - BZN
1 stop8h 45mSouthwest
dom. 12/154:30 pmBZN - ONT
1 stop8h 05mSouthwest
Deal found 11/20$358
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
vie. 12/138:55 pmONT - BIL
2 stops16h 11mAlaska Airlines
dom. 12/1511:36 amBIL - ONT
1 stop13h 23mAlaska Airlines
Deal found 11/20$408
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
vie. 12/67:44 pmONT - BZN
1 stop23h 00mAlaska Airlines
lun. 12/98:24 pmBZN - ONT
2 stops17h 34mAlaska Airlines
Deal found 11/19$448
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
vie. 12/138:55 pmONT - MSO
1 stop15h 51mAlaska Airlines
dom. 12/156:59 pmMSO - ONT
1 stop6h 00mAlaska Airlines
Deal found 11/20$463
This United Airlines deal was found by Cheapflights users on 11/20. 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.
dom. 12/295:05 amONT - BIL
1 stop7h 09mUnited Airlines
mié. 1/12:40 pmBIL - ONT
1 stop7h 09mUnited Airlines
Deal found 11/20$512
This United Airlines deal was found by Cheapflights users on 11/19. 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.
sáb. 12/145:05 amONT - MSO
1 stop7h 26mUnited Airlines
sáb. 12/286:30 amMSO - ONT
1 stop7h 10mUnited Airlines
Deal found 11/19$531
This Delta deal was found by Cheapflights users on 11/20. 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. 12/245:30 amONT - MSO
1 stop16h 43mDelta
lun. 12/305:40 amMSO - ONT
1 stop19h 49mDelta
Deal found 11/20$547

Find flights from Ontario to Montana within your budget

Customize your flight search to find flights from Ontario to Montana 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 2,629,791 searches. Data last updated noviembre 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

mié. 1/15

11:33 am-6:15 pm

1 stop5h 42m

Bozeman Gallatin Field

jue. 1/23

2:52 pm-10:39 pm

1 stop8h 47m

$234

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

mié. 1/15

5:10 pm-10:56 pm

1 stop4h 46m

Bozeman Gallatin Field

jue. 1/23

5:45 am-3:25 pm

2 stops10h 40m

$241

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

mié. 12/11

5:10 pm-12:50 am

1 stop6h 40m

Kalispell Glacier Park

sáb. 12/14

6:15 pm-11:01 pm

1 stop5h 46m

$254

OntarioMissoula

ONT - MSO

ONTMSO

Ontario

vie. 1/24

7:00 am-3:32 pm

1 stop7h 32m

Missoula Johnson-Bell Field

mar. 1/28

2:38 pm-8:13 pm

1 stop6h 35m

$264

OntarioMissoula

ONT - MSO

ONTMSO

Ontario

vie. 1/24

6:00 am-11:15 am

1 stop4h 15m

Missoula Johnson-Bell Field

mar. 1/28

11:55 am-10:32 pm

2 stops11h 37m

$269

OntarioBillings

ONT - BIL

ONTBIL

Ontario

vie. 12/13

6:00 am-11:00 am

1 stop4h 00m

Billings Logan Intl

dom. 12/15

6:45 pm-12:13 am

1 stop6h 28m

$274

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

vie. 12/6

1:40 pm-9:35 pm

1 stop6h 55m

Bozeman Gallatin Field

lun. 12/9

2:33 pm-8:47 pm

1 stop7h 14m

$302

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

vie. 1/10

9:00 am-6:30 pm

2 stops8h 30m

Bozeman Gallatin Field

lun. 1/13

12:45 pm-8:20 pm

2 stops8h 35m

$328

OntarioKalispell

ONT - FCA

ONTFCA

Ontario

jue. 12/12

5:05 am-1:36 pm

1 stop7h 31m

Kalispell Glacier Park

sáb. 12/14

2:38 pm-8:47 pm

1 stop7h 09m

$334

OntarioBillings

ONT - BIL

ONTBIL

Ontario

vie. 1/10

4:06 pm-10:44 pm

1 stop5h 38m

Billings Logan Intl

lun. 1/13

2:55 pm-10:13 pm

1 stop8h 18m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 37 results
1
2
3
4

Best time to book a flight from Ontario to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Ontario 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 Ontario to Montana

Get recent, data-driven insights about flights from Ontario to Montana including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Montana?

Currently, October is the cheapest month in which you can book a flight from Ontario to Montana (average of $370). Flying from Ontario to Montana in June is currently the most expensive (average of $516). 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 ONT to MT?

Find hourly flight availability from Ontario to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Montana as you normally would.

Rainfall in Montana by month

Plan your trip to Montana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montana ranges from 0.4 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Montana when rainfall is around 0.4 in.

Temperature in Montana by month

Plan your trip to Montana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montana, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated noviembre 20, 2024.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Ontario to Montana. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Montana?

    For a flight from Ontario to Montana, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • What are the cheapest airlines to fly from Ontario to Montana one-way?

    One-way options have recently been found by users for as low as $162 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $167 and Delta from $181 one-way.

  • What are the most popular routes from Ontario to Montana?

    When deciding which route to take from Ontario to Montana consider Ontario - Bozeman Gallatin Field, Ontario - Kalispell Glacier Park or Ontario - Missoula Johnson-Bell Field as they are the most popular.

  • Can I find deals for flights from Ontario to Montana that include hotel bookings?

    Yes. In addition to deals on Ontario to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montana.

  • Can I find deals for business class flights from Ontario to Montana?

    Yes. Cheapflights offers flight deals from Ontario to Montana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Montana?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Montana (average of $370). Flying from Ontario to Montana in June is currently the most expensive (average of $516). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Honolulu flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
Los Angeles to Miami flights
Los Angeles to San Francisco flights
San Francisco to Newark flights
Los Angeles to O'Hare Intl flights
Los Angeles to Orlando flights
San Francisco to Los Angeles flights
San Francisco to Seattle flights
San Francisco to Las Vegas flights
Los Angeles to Las Vegas flights
Los Angeles to Fort Lauderdale flights
San Francisco to LaGuardia flights
Santa Ana to Las Vegas flights
Santa Ana to Newark flights
Los Angeles to Boston flights
San Francisco to Honolulu flights
Burbank to Las Vegas flights
Ontario to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to San Jose flights
Los Angeles to Hobby flights
San Jose to Las Vegas flights
San Diego to John F Kennedy Intl flights
San Jose to Los Angeles flights
Los Angeles to Reagan-National flights
Los Angeles to Oakland flights
Los Angeles to Dulles Intl flights
Oakland to Los Angeles flights
Los Angeles to George Bush Intcntl flights
Los Angeles to Portland flights
San Francisco to Miami flights
Burbank to Newark flights
San Francisco to Ontario flights
Los Angeles to Atlanta flights
Oakland to Las Vegas flights
Ontario to San Francisco flights
Burbank to LaGuardia flights
Los Angeles to Baltimore flights
Ontario to Seattle flights
San Francisco to O'Hare Intl flights
Los Angeles to New Orleans flights
San Diego to Newark flights
San Francisco to Dulles Intl flights
Los Angeles to Salt Lake City flights

Top 5 airlines flying from Ontario to Montana

Discover the top 5 airlines that operate flights from Ontario to Montana. 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 2,629,791 searches. Data last updated noviembre 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$168Average$254FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$221Average$443FlexibilityNo cancel feeOn-time75%
DeltaCheapest$237Average$466FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$292Average$398FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$320Average$532FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines