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Cheap flights from Ottawa to Montana from C$ 438

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BZN
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Montana

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Montana
Explore the most affordable flight options available from Ottawa to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Sat 14/25:11 p.m.
YOW
-
BZN
2 stops18h 38m
United Airlines
Wed 18/23:23 p.m.
BZN
-
YOW
2 stops17h 03m
United Airlines
Deal found 29/1C$ 607
Sun 1/36:45 a.m.
YOW
-
BZN
2 stops17h 29m
American Airlines
Wed 4/31:36 p.m.
BZN
-
YOW
2 stops25h 12m
American Airlines
Deal found 28/1C$ 630
Mon 2/23:10 p.m.
YOW
-
BZN
2 stops20h 44m
United Airlines
Thu 5/23:40 p.m.
BZN
-
YOW
2 stops19h 52m
United Airlines
Deal found 26/1C$ 802
Sun 1/36:20 a.m.
YOW
-
BZN
1 stop14h 39m
United Airlines
Wed 4/33:23 p.m.
BZN
-
YOW
2 stops23h 49m
United Airlines
Deal found 28/1C$ 836
Thu 12/25:11 p.m.
YOW
-
BZN
2 stops18h 38m
United Airlines
Tue 17/23:23 p.m.
BZN
-
YOW
2 stops23h 44m
United Airlines
Deal found 27/1C$ 1,010
Sat 14/26:40 a.m.
YOW
-
BZN
2 stops16h 58m
American Airlines
Wed 18/21:36 p.m.
BZN
-
YOW
3 stops25h 22m
American Airlines
Deal found 29/1C$ 1,040

Find flight deals from Ottawa to Montana

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

Round-trip from

C$ 607

One-way from

C$ 438
United Airlines
  • United Airlines
  • 14/2-18/2
  • 4 total stops
  • 35h 41m total
  • Ottawa to Montana
Search Deals
United Airlines
  • United Airlines
  • 13/3
  • 1 total stop
  • 17h 52m total
  • Ottawa to Montana
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa 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 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Ottawa to Montana that are best for you.

Fly from

Ottawa

Fly to

Montana

Route

Depart

Return

Price

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sat 14/2

5:11 p.m.-9:49 a.m.

2 stops18h 38m

Bozeman Gallatin Field

Wed 18/2

3:23 p.m.-10:26 a.m.

2 stops17h 03m

C$ 607

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 1/3

6:45 a.m.-10:14 p.m.

2 stops17h 29m

Bozeman Gallatin Field

Wed 4/3

1:36 p.m.-4:48 p.m.

2 stops25h 12m

C$ 630

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 1/3

6:20 a.m.-6:59 p.m.

1 stop14h 39m

Bozeman Gallatin Field

Wed 4/3

3:23 p.m.-5:12 p.m.

2 stops23h 49m

C$ 836

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 12/2

5:11 p.m.-9:49 a.m.

2 stops18h 38m

Bozeman Gallatin Field

Tue 17/2

3:23 p.m.-5:07 p.m.

2 stops23h 44m

C$ 1,010

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sat 14/2

6:40 a.m.-9:38 p.m.

2 stops16h 58m

Bozeman Gallatin Field

Wed 18/2

1:36 p.m.-4:58 p.m.

3 stops25h 22m

C$ 1,040

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Fri 13/3

6:20 a.m.-10:12 p.m.

1 stop17h 52m

C$ 438

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Fri 13/3

1:20 p.m.-2:08 p.m.

3 stops26h 48m

C$ 455

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Best time to book a flight from Ottawa to Montana

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

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

Currently, March is the cheapest month in which you can book a flight from Ottawa to Montana (average of C$ 452). Flying from Ottawa to Montana in November is currently the most expensive (average of C$ 1,220). 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.

Related info for your journey

Find useful and relevant information for your journey from Ottawa 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 Ottawa to Montana?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Montana.

  • How long is the flight from Ottawa to Montana?

    United Airlines and American Airlines can get you from Ottawa to Montana in just under 17h 29m. Your travel time can differ by up to 1h 09m. The distance between Ottawa and Montana is about 2739 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Ottawa to Montana (average of C$ 452). Flying from Ottawa to Montana in November is currently the most expensive (average of C$ 1,220). 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

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How does Cheapflights help users find flights from Ottawa to Montana?

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