HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$269+ Cheap flights from Ontario 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BZN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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

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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. 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.
Fri 2/277:50 am
YYZ
-
MSO
2 stops14h 11m
Delta
Tue 3/37:30 am
MSO
-
YYZ
2 stops9h 39m
Delta
Deal found 1/28$300
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/277:40 pm
YYZ
-
MSO
2 stops19h 52m
United Airlines
Tue 3/32:34 pm
MSO
-
YYZ
2 stops17h 02m
United Airlines
Deal found 1/26$306
This United Airlines deal was found by Cheapflights users on 1/28. 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 5/134:18 pm
YYZ
-
BIL
1 stop6h 39m
United Airlines
Wed 5/277:00 am
BIL
-
YYZ
1 stop12h 34m
United Airlines
Deal found 1/28$311
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/264:10 pm
YYZ
-
BIL
1 stop7h 11m
United Airlines
Thu 3/56:30 am
BIL
-
YYZ
1 stop6h 32m
United Airlines
Deal found 1/27$341
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/274:45 pm
YYZ
-
MSO
1 stop9h 14m
Alaska Airlines
Tue 3/36:23 am
MSO
-
YYZ
1 stop7h 12m
Alaska Airlines
Deal found 1/26$341
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Tue 2/244:10 pm
YYZ
-
BIL
1 stop7h 11m
United Airlines
Tue 3/37:00 am
BIL
-
YYZ
1 stop6h 02m
United Airlines
Deal found 1/27$349
This Air Canada deal was found by Cheapflights users on 1/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/112:50 pm
YYZ
-
BIL
1 stop8h 33m
Air Canada
Wed 3/116:30 am
BIL
-
YYZ
1 stop6h 32m
Air Canada
Deal found 1/28$364
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/1412:05 pm
YYZ
-
BIL
2 stops11h 16m
United Airlines
Wed 2/182:35 pm
BIL
-
YYZ
2 stops17h 11m
United Airlines
Deal found 1/27$365
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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 2/254:45 pm
YYZ
-
MSO
1 stop9h 14m
Alaska Airlines
Wed 3/46:23 am
MSO
-
YYZ
1 stop7h 12m
Alaska Airlines
Deal found 1/27$365
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/284:10 pm
YYZ
-
BIL
1 stop7h 11m
United Airlines
Thu 3/56:30 am
BIL
-
YYZ
1 stop6h 32m
United Airlines
Deal found 1/27$393
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/257:30 am
YYZ
-
MSO
2 stops16h 27m
United Airlines
Wed 3/46:15 am
MSO
-
YYZ
2 stops15h 44m
United Airlines
Deal found 1/27$399
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/144:45 pm
YYZ
-
BIL
1 stop8h 53m
Alaska Airlines
Wed 2/187:00 am
BIL
-
YYZ
1 stop30h 35m
Alaska Airlines
Deal found 1/27$406

Find flight deals from Ontario to Montana

Keep the following information in mind while searching for Ontario to Montana flight deals. Data was last updated January 29, 2026.

Round-trip from

$300
(Delta)

One-way from

$269
(Alaska Airlines)

Popular in

February

Cheapest in

June

Average price

$686
From Ontario to Montana
Search Deals
One-way flight from Ontario to Montana
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Ontario to Montana that are best for you.

Fly from

Ontario

Fly to

Montana

Route

Depart

Return

Price

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 2/27

6:05 am-8:01 pm

2 stops15h 56m

Missoula Johnson-Bell Field

Tue 3/3

7:30 am-3:59 pm

1 stop6h 29m

$300

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 2/27

7:40 pm-1:32 pm

2 stops19h 52m

Missoula Johnson-Bell Field

Tue 3/3

2:34 pm-9:36 am

2 stops17h 02m

$306

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 2/11

9:00 am-9:23 pm

2 stops14h 23m

Billings Logan Intl

Wed 3/11

6:30 am-3:02 pm

1 stop6h 32m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Thu 2/26

7:50 am-7:39 pm

2 stops13h 49m

Billings Logan Intl

Thu 3/5

6:20 am-3:59 pm

1 stop7h 39m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Wed 5/13

4:18 pm-8:57 pm

1 stop6h 39m

Billings Logan Intl

Wed 5/27

7:00 am-9:34 pm

1 stop12h 34m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sun 2/15

6:10 am-7:39 pm

2 stops15h 29m

Billings Logan Intl

Thu 2/19

6:20 am-8:35 pm

2 stops12h 15m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Tue 2/24

8:45 am-9:21 pm

2 stops14h 36m

Billings Logan Intl

Tue 3/3

5:53 pm-9:36 am

2 stops13h 43m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 2/28

7:50 am-7:39 pm

2 stops13h 49m

Billings Logan Intl

Thu 3/5

6:20 am-3:59 pm

1 stop7h 39m

$311

TorontoBillings

YYZ - BIL

YYZBIL

Toronto Pearson Intl

Sat 2/14

6:00 am-7:39 pm

2 stops15h 39m

Billings Logan Intl

Wed 2/18

6:20 am-3:59 pm

1 stop7h 39m

$311

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

Fri 2/27

4:45 pm-11:59 pm

1 stop9h 14m

Missoula Johnson-Bell Field

Tue 3/3

6:23 am-3:35 pm

1 stop7h 12m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 51 results
1
2
3
...
6

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Montana
No data available for this route at this time. Please check back soon.

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 January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines from Ontario to Montana to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.

  • How long is the flight from Region of Ontario to Montana?

    A quick flight from Region of Ontario to Montana can take about 9h 14m. Delta provides one of the quickest options available for as low as $341. Region of Ontario and Montana are separated by a distance of 1675 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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.
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Miami flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Newark flights
Pearson Intl to Fort Lauderdale flights
Toronto Island to Newark flights
Pearson Intl to Orlando flights
Vancouver Intl to Los Angeles flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to Las Vegas flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Tampa flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Orlando flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Vancouver Intl to Sky Harbor Intl flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Toronto Island to Orlando flights
Calgary to Las Vegas flights
Pearson Intl to Hobby flights
Vancouver Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to Miami flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Atlanta flights
Hamilton to Fort Lauderdale flights
Pearson Intl to Fort Myers flights
Calgary to Sky Harbor Intl flights
Québec City to Fort Lauderdale flights
Vancouver Intl to San Diego flights
Vancouver Intl to Palm Springs flights
Pearson Intl to Boston flights
Vancouver Intl to Ontario flights
Vancouver Intl to Seattle flights
Calgary to Los Angeles flights

Top airline flying from Ontario to Montana

Discover the top airline 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$532Average$655FlexibilityNo 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.