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Cheap flights from Montreal to New Windsor from C$ 242

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SWF
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Stewart

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 29 October 2025.

Round-trip from

C$ 598

One-way from

C$ 242

Popular in

December

Cheapest in

July

Average price

C$ 397
23/4-26/4
  • 23/4-26/4
  • 3 total stops
  • 46h 21m total
  • Montreal to New Windsor
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7/12
  • 7/12
  • 1 total stop
  • 27h 37m total
  • Montreal to New Windsor
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Highest demand for flights based on searches. 3% potential increase in price (C$ 16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Montreal to Stewart

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Stewart
Explore the most affordable flight options available from Montreal to Stewart. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Sat 1/114:35 p.m.YUL - SWF
1 stop19h 28mMultiple Airlines
Mon 3/1112:01 p.m.SWF - YUL
1 stop27h 09mMultiple Airlines
Deal found 29/10C$ 714
Sat 15/113:55 p.m.YUL - SWF
2 stops19h 08mMultiple Airlines
Sun 23/1111:43 a.m.SWF - YUL
1 stop12h 47mMultiple Airlines
Deal found 27/10C$ 1,040

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 29 October 2025.
Use the filters below to find and compare flights from Montreal to New Windsor that are best for you.

Fly from

Montreal

Fly to

Stewart

Route

Depart

Return

Price

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

5:25 p.m.-10:50 a.m.

2 stops17h 25m

New Windsor Stewart

Sun 26/4

11:32 a.m.-4:28 p.m.

1 stop28h 56m

C$ 598

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

3:55 p.m.-11:03 a.m.

2 stops19h 08m

New Windsor Stewart

Sun 23/11

11:43 a.m.-12:30 a.m.

1 stop12h 47m

C$ 1,040

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 7/12

8:00 a.m.-11:37 a.m.

1 stop27h 37m

C$ 242

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

5:25 p.m.-11:37 a.m.

2 stops18h 12m

C$ 253

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

5:25 p.m.-11:37 a.m.

2 stops18h 12m

C$ 261

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

5:25 p.m.-11:37 a.m.

2 stops18h 12m

C$ 271

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Thu 13/11

6:45 a.m.-10:11 a.m.

2 stops27h 26m

C$ 271

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Tue 25/11

6:45 a.m.-11:27 a.m.

2 stops28h 42m

C$ 303

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Best time to book a flight from Montreal to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from Montreal 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 Montreal to New Windsor

What is the cheapest month to book a flight from Montreal to New Windsor?

Currently, June is the cheapest month in which you can book a flight from Montreal to New Windsor (average of C$ 184). Flying from Montreal to New Windsor in August is currently the most expensive (average of C$ 268). 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 Montreal to Stewart. 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 into for flights to New Windsor from Montreal?

    If you book a flight to New Windsor from Montreal, you will be flying to Stewart, which is the city’s only airport. New Windsor Stewart (SWF) is located 7.0 km from the centre of New Windsor. There are 0 flights from Montreal to Stewart per day from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal 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.

  • What is the cheapest month to book a flight from Montreal to New Windsor?

    Currently, June is the cheapest month in which you can book a flight from Montreal to New Windsor (average of C$ 184). Flying from Montreal to New Windsor in August is currently the most expensive (average of C$ 268). 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

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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Alternative routes for Montreal to Stewart

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Montreal to Stewart?

Cheapflights makes it easy to find Montreal to Stewart flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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 Stewart from Montreal.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montreal to Stewart flexibly with Cheapflights today.

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

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

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