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Cheap flights from Ottawa to Montana from C$ 346

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — BZN
30 May — 6 Jun1
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 30 April 2026.

Sat 31/1012:30 p.m.
YOW
-
BZN
2 stops10h 37m
United Airlines
Wed 4/113:40 p.m.
BZN
-
YOW
3 stops19h 46m
United Airlines
Deal found 24/4C$ 592
Sun 30/86:00 a.m.
YOW
-
BZN
3 stops14h 23m
United Airlines
Sat 5/910:25 a.m.
BZN
-
YOW
1 stop11h 29m
United Airlines
Deal found 26/4C$ 661
Sun 30/88:40 a.m.
YOW
-
BZN
3 stops28h 25m
American Airlines
Sat 5/91:32 p.m.
BZN
-
YOW
3 stops23h 23m
American Airlines
Deal found 26/4C$ 1,252

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 30 April 2026.

Round-trip from

C$ 594

One-way from

C$ 346
United Airlines
  • United Airlines
  • 30/8-5/9
  • 2 total stops
  • 25h 27m total
  • Ottawa to Montana
Search Deals
United Airlines
  • United Airlines
  • 19/7
  • 2 total stops
  • 18h 17m 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 30 April 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
Quickest round-trip

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 30/8

6:00 a.m.-12:08 p.m.

1 stop8h 08m

Bozeman Gallatin Field

Sat 5/9

3:40 p.m.-9:56 a.m.

2 stops16h 16m

C$ 594

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 30/8

8:40 a.m.-11:05 a.m.

3 stops28h 25m

Bozeman Gallatin Field

Sat 5/9

1:32 p.m.-2:55 p.m.

3 stops23h 23m

C$ 1,252
Cheapest one-way

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 19/7

5:20 p.m.-9:37 a.m.

2 stops18h 17m

C$ 346

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 11/6

12:25 p.m.-11:58 p.m.

2 stops13h 33m

C$ 380

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Mon 20/7

5:20 p.m.-9:37 a.m.

2 stops18h 17m

C$ 427
Quickest one-way

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 11/6

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

1 stop7h 18m

C$ 438

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Mon 20/7

6:00 a.m.-2:09 p.m.

3 stops34h 09m

C$ 441

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Thu 11/6

7:20 a.m.-11:19 p.m.

3 stops17h 59m

C$ 491

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 19/7

8:40 a.m.-2:53 p.m.

3 stops32h 13m

C$ 520

OttawaBozeman

YOW - BZN

YOWBZN

Ottawa

Sun 19/7

7:00 a.m.-4:08 p.m.

2 stops11h 08m

C$ 828

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

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
No data available for this route at this time. Please check back soon.

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 8h 08m. Your travel time can differ by up to 20h 17m. 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.

See more FAQs

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

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Yes, we can. To see specific flights from Ottawa to Montana with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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