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Cheap flights from Ottawa to New Windsor from C$ 237

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SWF
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ottawa to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Stewart (SWF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 1,466

One-way from

C$ 237

Popular in

December

Cheapest in

June

Average price

C$ 384
19/12-22/12
  • 19/12-22/12
  • 3 total stops
  • 31h 32m total
  • Ottawa to New Windsor
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19/10
  • 19/10
  • 1 total stop
  • 18h 21m total
  • Ottawa to New Windsor
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Stewart

Cheapest flights from Ottawa to Stewart
Explore the most affordable flight options available from Ottawa to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Fri 19/127:00 a.m.YOW - SWF
1 stop11h 06mMultiple Airlines
Mon 22/128:25 p.m.SWF - YOW
2 stops20h 26mMultiple Airlines
Deal found 9/9C$ 1,466

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Stewart 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 11 September 2025.
Use the filters below to find and compare flights from Ottawa to New Windsor that are best for you.

Fly from

Ottawa

Fly to

Stewart

Route

Depart

Return

Price

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Fri 19/12

7:00 a.m.-6:06 p.m.

1 stop11h 06m

New Windsor Stewart

Mon 22/12

8:25 p.m.-4:51 p.m.

2 stops20h 26m

C$ 1,466

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sun 19/10

3:50 p.m.-10:11 a.m.

1 stop18h 21m

C$ 237

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sun 12/10

3:50 p.m.-10:11 a.m.

1 stop18h 21m

C$ 245

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sat 27/9

4:25 p.m.-11:03 a.m.

1 stop18h 38m

C$ 267

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sat 25/10

4:25 p.m.-11:03 a.m.

1 stop18h 38m

C$ 299

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Wed 3/12

6:45 a.m.-11:03 a.m.

2 stops28h 18m

C$ 310

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Wed 8/10

4:25 p.m.-11:03 a.m.

1 stop18h 38m

C$ 315

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sat 20/9

5:55 a.m.-11:03 a.m.

2 stops29h 08m

C$ 328

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Mon 13/10

3:50 p.m.-10:26 a.m.

2 stops18h 36m

C$ 344

OttawaNew Windsor

YOW - SWF

YOWSWF

Ottawa

Sun 8/3

6:45 a.m.-11:39 a.m.

2 stops28h 54m

C$ 346

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ottawa to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart 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.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Stewart. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Travelling to a place near New Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Ottawa to Stewart flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Stewart by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Not ready to book yet? You can track prices for flights from Ottawa to Stewart on Cheapflights with our Price Alert feature and get notified when better prices are available.

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