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$118+ Cheap flights from Montana to Ontario (ONT)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — ONT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Montana to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Montana (USMT) to Ontario (ONT). 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 November 21, 2024.

Find flight deals from Montana to Ontario

Cheapest flights from Montana to Ontario
Explore the most affordable flight options available from Montana to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

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.
Wed 12/255:55 amBZN - ONT
1 stop7h 13mDelta
Mon 12/305:30 amONT - BZN
1 stop4h 45mDelta
Deal found 11/20$236
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.
Mon 12/94:25 pmBZN - ONT
1 stop5h 22mUnited Airlines
Tue 12/105:05 amONT - BZN
1 stop7h 21mUnited 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.
Thu 12/122:40 pmBIL - ONT
1 stop7h 07mUnited Airlines
Sat 12/145:05 amONT - BIL
1 stop7h 16mUnited Airlines
Deal found 11/20$334
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.
Thu 12/122:46 pmBIL - ONT
1 stop8h 29mAlaska Airlines
Sun 12/157:00 amONT - BIL
2 stops15h 42mAlaska Airlines
Deal found 11/20$399
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.
Thu 12/58:24 pmBZN - ONT
1 stop26h 51mAlaska Airlines
Sat 12/76:00 amONT - BZN
1 stop8h 08mAlaska Airlines
Deal found 11/20$436
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.
Thu 12/196:00 amFCA - ONT
1 stop7h 40mUnited Airlines
Mon 12/231:42 pmONT - FCA
1 stop7h 26mUnited Airlines
Deal found 11/20$458
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.
Wed 12/46:35 amGTF - ONT
1 stop7h 05mUnited Airlines
Wed 12/115:05 amONT - GTF
1 stop7h 42mUnited Airlines
Deal found 11/20$536
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.
Wed 12/44:07 pmHLN - ONT
1 stop18h 46mAlaska Airlines
Wed 12/116:00 amONT - HLN
1 stop8h 29mAlaska Airlines
Deal found 11/20$568
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.
Mon 12/166:23 pmFCA - ONT
1 stop6h 51mDelta
Fri 12/205:30 amONT - FCA
1 stop5h 18mDelta
Deal found 11/20$631
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.
Sun 12/292:35 pmMSO - ONT
1 stop7h 14mUnited Airlines
Mon 1/65:05 amONT - MSO
1 stop7h 27mUnited Airlines
Deal found 11/20$644
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.
Wed 11/2711:40 amBIL - ONT
1 stop5h 39mDelta
Mon 12/25:00 pmONT - BIL
1 stop6h 27mDelta
Deal found 11/19$682
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.
Mon 12/232:45 pmMSO - ONT
2 stops20h 00mAlaska Airlines
Sat 12/286:00 amONT - MSO
1 stop27h 36mAlaska Airlines
Deal found 11/20$703

Find flights from Montana to Ontario within your budget

Customize your flight search to find flights from Montana to Ontario 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 November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

BozemanOntario

BZN - ONT

BZNONT

Bozeman Gallatin Field

Wed 12/25

5:55 am-12:08 pm

1 stop7h 13m

Ontario

Mon 12/30

5:30 am-11:15 am

1 stop4h 45m

$236

Great FallsOntario

GTF - ONT

GTFONT

Great Falls

Sat 2/1

4:53 pm-10:38 am

1 stop18h 45m

Ontario

Wed 2/5

11:33 am-4:13 pm

1 stop27h 40m

$244

BozemanOntario

BZN - ONT

BZNONT

Bozeman Gallatin Field

Thu 1/16

8:00 am-3:11 pm

1 stop8h 11m

Ontario

Sun 1/19

6:00 am-1:57 pm

1 stop6h 57m

$245

Great FallsOntario

GTF - ONT

GTFONT

Great Falls

Sat 2/1

5:30 am-3:25 pm

2 stops10h 55m

Ontario

Wed 2/5

5:10 pm-11:09 pm

1 stop4h 59m

$249

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 2/22

5:50 am-12:26 pm

1 stop7h 36m

Ontario

Wed 2/26

6:00 am-12:45 pm

1 stop5h 45m

$254

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Fri 1/31

6:32 pm-11:53 pm

1 stop6h 21m

Ontario

Tue 2/4

6:00 am-11:00 am

1 stop4h 00m

$264

HelenaOntario

HLN - ONT

HLNONT

Helena

Sat 2/22

4:19 pm-8:17 pm

1 stop4h 58m

Ontario

Sat 3/1

6:00 am-3:42 pm

1 stop8h 42m

$268

BillingsOntario

BIL - ONT

BILONT

Billings Logan Intl

Mon 2/3

2:55 pm-10:13 pm

1 stop8h 18m

Ontario

Thu 2/6

4:06 pm-10:44 pm

1 stop5h 38m

$274

BozemanOntario

BZN - ONT

BZNONT

Bozeman Gallatin Field

Mon 12/9

4:25 pm-8:47 pm

1 stop5h 22m

Ontario

Tue 12/10

5:05 am-1:26 pm

1 stop7h 21m

$302

KalispellOntario

FCA - ONT

FCAONT

Kalispell Glacier Park

Mon 2/10

6:54 pm-5:04 pm

1 stop23h 10m

Ontario

Wed 2/12

6:00 am-12:13 pm

1 stop5h 13m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 37 results
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Best time to book a flight from Montana to Ontario

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

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

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

Currently, September is the cheapest month in which you can book a flight from Montana to Ontario (average of $236). Flying from Montana to Ontario in December is currently the most expensive (average of $298). 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 ONT?

Find hourly flight availability from Montana to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Montana to Ontario, 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 Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and United Airlines from Montana to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,458 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,758 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Montana to Ontario. 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 into for flights to Ontario from Montana?

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

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

    The cheapest airlines for a one-way flight from Montana to Ontario are Alaska Airlines ($118), Delta ($127), and United Airlines ($153).

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Ontario 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 Montana to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Montana to Ontario (average of $236). Flying from Montana to Ontario in December is currently the most expensive (average of $298). 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.

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Alternative routes for Montana to Ontario

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Top 3 airlines flying from Montana to Ontario

Discover the top 3 airlines that operate flights from Montana to Ontario. 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 November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$82Average$363FlexibilityNo cancel feeOn-time75%
DeltaCheapest$232Average$512FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$291Average$549FlexibilityNo cancel feeOn-time69%
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