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Cheap flights from Ottawa to Montana from C$ 316

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BZN
15 Apr — 22 Apr1
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 16 March 2026.

Sun 19/45:25 p.m.
YOW
-
BZN
2 stops20h 55m
United Airlines
Thu 23/41:33 p.m.
BZN
-
YOW
2 stops25h 34m
United Airlines
Deal found 12/3C$ 534
Wed 22/75:20 p.m.
YOW
-
BZN
1 stop7h 18m
United Airlines
Tue 28/78:00 a.m.
BZN
-
YOW
1 stop7h 07m
United Airlines
Deal found 11/3C$ 593
Wed 22/75:20 p.m.
YOW
-
BZN
1 stop7h 18m
United Airlines
Wed 29/74:29 p.m.
BZN
-
YOW
2 stops19h 30m
United Airlines
Deal found 11/3C$ 615
Thu 23/75:20 p.m.
YOW
-
BZN
1 stop7h 18m
United Airlines
Wed 29/712:48 p.m.
BZN
-
YOW
1 stop6h 47m
United Airlines
Deal found 11/3C$ 711

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 16 March 2026.

Round-trip from

C$ 534

One-way from

C$ 316
United Airlines
  • United Airlines
  • 19/4-23/4
  • 4 total stops
  • 46h 29m total
  • Ottawa to Montana
Search Deals
United Airlines
  • United Airlines
  • 26/4
  • 2 total stops
  • 20h 55m 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 16 March 2026.
Use the filters below to find and compare flights from Ottawa to Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 19/4

7:30 p.m.-9:47 a.m.

2 stops16h 17m

Bozeman Gallatin Field

Thu 23/4

2:40 p.m.-9:11 a.m.

2 stops16h 31m

C$ 535

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Wed 22/7

5:20 p.m.-10:38 p.m.

1 stop7h 18m

Bozeman Gallatin Field

Tue 28/7

4:29 p.m.-1:59 p.m.

2 stops19h 30m

C$ 535
Quickest round-trip

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Wed 22/7

5:20 p.m.-10:38 p.m.

1 stop7h 18m

Bozeman Gallatin Field

Wed 29/7

12:48 p.m.-9:35 p.m.

1 stop6h 47m

C$ 652

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 23/7

5:20 p.m.-10:38 p.m.

1 stop7h 18m

Bozeman Gallatin Field

Wed 29/7

12:48 p.m.-9:35 p.m.

1 stop6h 47m

C$ 711
Cheapest one-way

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 26/4

5:25 p.m.-12:20 p.m.

2 stops20h 55m

C$ 316

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Mon 13/7

7:30 p.m.-1:20 p.m.

2 stops19h 50m

C$ 379

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Tue 14/7

5:20 p.m.-9:31 a.m.

2 stops18h 11m

C$ 379

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Fri 17/7

10:44 a.m.-10:43 p.m.

1 stop13h 59m

C$ 410

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 26/4

6:15 p.m.-10:43 a.m.

3 stops42h 28m

C$ 449
Quickest one-way

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 16/7

12:25 p.m.-11:53 p.m.

2 stops13h 28m

C$ 453

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Sorted by cheapest first

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$ 457). Flying from Ottawa to Montana in November is currently the most expensive (average of C$ 1,233). 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 can get you from Ottawa to Montana in just under 16h 17m. Your travel time can differ by up to . The distance between Ottawa and Montana is about 2739 km.

  • 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$ 457). Flying from Ottawa to Montana in November is currently the most expensive (average of C$ 1,233). 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

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

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