In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

What is the cheapest time of day to fly from SWF to YOW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Windsor to Ottawa as you normally would.

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

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

How can I find direct flights from Stewart to Ottawa?

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

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

Yes. Cheapflights offers flight deals from Stewart to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 223+ Cheap Flights from New Windsor to Ottawa

Cheap flight deals from Stewart to Ottawa

Enter your travel dates to find the best prices.

One-way

One-way flights from Stewart to Ottawa
Search for one-way flight options from Stewart to Ottawa. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Thu 1/1010:28 a.m. -

2 stops13h 52m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 4/9C$ 223

Thu 22/1010:38 a.m. -

2 stops13h 42m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 7/9C$ 264

Sun 8/1112:00 p.m. -

2 stops36h 44m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 5/9C$ 279

Mon 19/107:01 p.m. -

2 stops22h 34m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 6/9C$ 297

Thu 15/106:45 p.m. -

2 stops29h 35m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 3/9C$ 303

Sat 31/1012:39 p.m. -

3 stops37h 05m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 4/9C$ 340

Sat 10/1012:39 p.m. -

3 stops28h 56m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 5/9C$ 350

Mon 2/1112:16 p.m. -

3 stops29h 42m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 6/9C$ 359

Wed 14/1012:39 p.m. -

3 stops28h 56m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 4/9C$ 362

Wed 21/1012:39 p.m. -

3 stops28h 56m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 6/9C$ 368

Find flight deals from Stewart to Ottawa

Popular in	October
Cheapest in	March
Average price	C$ 543

Highest demand for flights based on searches. 8% potential increase in price (C$ 59 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Thu 22/10

10:38 a.m.-12:20 a.m.

2 stops13h 42m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 264

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Sun 8/11

12:00 p.m.-12:44 a.m.

2 stops36h 44m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 279

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Wed 4/11

12:39 p.m.-10:15 p.m.

3 stops33h 36m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 350

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Mon 2/11

12:16 p.m.-5:58 p.m.

3 stops29h 42m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 359

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Wed 14/10

12:39 p.m.-5:35 p.m.

3 stops28h 56m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 362

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Wed 21/10

12:39 p.m.-5:35 p.m.

3 stops28h 56m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 368

Quickest round-trip

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Mon 28/9

12:16 p.m.-11:48 p.m.

2 stops11h 32m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 376

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Thu 1/10

10:56 a.m.-2:30 p.m.

1 stop27h 34m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 381

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Sat 31/10

12:39 p.m.-5:44 p.m.

2 stops29h 05m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 402

New WindsorOttawa

SWF New Windsor Stewart - YOW Ottawa

SWFYOW

New Windsor Stewart

Wed 16/9

12:39 p.m.-5:35 p.m.

3 stops28h 56m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 409

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first

Best time to book a flight from Stewart to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Stewart with our price prediction graph.

SWF-YOW

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.

Related info for your journey

Can I find deals for flights from Stewart to Ottawa that include hotel bookings?
Yes. In addition to deals on Stewart to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Ottawa.
Can I find deals for business class flights from Stewart to Ottawa?
Yes. Cheapflights offers flight deals from Stewart to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Stewart to Pierre Elliott Trudeau Intl flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Stewart to Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Stewart to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Stewart.

Can Cheapflights find flights from Stewart to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Stewart shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Stewart to Ottawa become cheaper?

Yes! Start tracking prices for Stewart to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from New Windsor to Ottawa from C$ 223

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stewart to Ottawa

One-way flights from Stewart to OttawaSearch for one-way flight options from Stewart to Ottawa. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Search for one-way flight options from Stewart to Ottawa. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.

Find flight deals from Stewart to Ottawa

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from New Windsor to Ottawa that are best for you.

Best time to book a flight from Stewart to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Stewart with our price prediction graph.

Related info for your journey

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

How can I find direct flights from Stewart to Ottawa?

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

Travelling to a place near Ottawa?

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 Stewart to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from Stewart to Ottawa by cabin class

Find flights from Stewart to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stewart and Ottawa flights

Browse other Stewart and Ottawa flight options. Last updated on 8 September 2026.

Other flights to Ottawa

Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

Why should you use Cheapflights to find cheap flight tickets from Stewart to Ottawa?

Can Cheapflights find flights from Stewart to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Stewart to Ottawa become cheaper?

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One-way flights from Stewart to Ottawa
Search for one-way flight options from Stewart to Ottawa. Find affordable one-way fares based on user searches. Data last updated 8 September 2026.