Find flights
When to book
FAQs

Cheap flights from Montreal to New Windsor from C$ 239

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — SWF
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Popular in

September

Cheapest in

July

Average price

C$ 442
Highest demand for flights based on searches. 4% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Montreal to Stewart

One-way flights from Montreal to Stewart
Search for one-way flight options from Montreal to Stewart. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Thu 4/128:00 a.m.YUL - SWF
1 stop27h 37mMultiple Airlines
Deal found 15/9C$ 239
Sun 7/128:00 a.m.YUL - SWF
1 stop27h 37mMultiple Airlines
Deal found 16/9C$ 240
Sun 26/1011:25 a.m.YUL - SWF
3 stops26h 46mMultiple Airlines
Deal found 14/9C$ 242
Sun 16/118:00 a.m.YUL - SWF
1 stop27h 11mMultiple Airlines
Deal found 15/9C$ 243
Thu 23/106:55 a.m.YUL - SWF
3 stops27h 46mMultiple Airlines
Deal found 15/9C$ 245
Sun 19/106:55 a.m.YUL - SWF
3 stops27h 16mMultiple Airlines
Deal found 14/9C$ 253
Sun 23/118:00 a.m.YUL - SWF
1 stop26h 07mMultiple Airlines
Deal found 13/9C$ 256
Mon 17/1110:35 a.m.YUL - SWF
2 stops23h 51mMultiple Airlines
Deal found 13/9C$ 260
Thu 11/128:00 a.m.YUL - SWF
1 stop27h 37mMultiple Airlines
Deal found 14/9C$ 264
Sun 12/108:55 a.m.YUL - SWF
3 stops25h 16mMultiple Airlines
Deal found 16/9C$ 271

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 16 September 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

Sun 7/12

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

1 stop27h 37m

C$ 240

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 26/10

11:25 a.m.-2:11 p.m.

3 stops26h 46m

C$ 242

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 16/11

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

1 stop27h 11m

C$ 243

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

8:00 a.m.-10:07 a.m.

1 stop26h 07m

C$ 256

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

10:35 a.m.-10:26 a.m.

2 stops23h 51m

C$ 260

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Thu 23/10

6:45 a.m.-10:41 a.m.

2 stops27h 56m

C$ 272

MontrealNew Windsor

YUL - SWF

YULSWF

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

8:55 a.m.-10:11 a.m.

3 stops25h 16m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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
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 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.

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

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 Montreal to Stewart

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
Ottawa to Newark flights
Québec City to Newark flights
Ottawa to John F Kennedy Intl flights
Ottawa to LaGuardia flights
Québec City to John F Kennedy Intl flights
Québec City to LaGuardia flights
Pierre Elliott Trudeau Intl to Buffalo flights
Pierre Elliott Trudeau Intl to White Plains flights
Pierre Elliott Trudeau Intl to Syracuse flights
Ottawa to White Plains flights
Ottawa to Syracuse flights
Pierre Elliott Trudeau Intl to Stewart flights
Pierre Elliott Trudeau Intl to Islip flights
Québec City to Islip flights
Pierre Elliott Trudeau Intl to Binghamton flights
Pierre Elliott Trudeau Intl to Plattsburgh flights
Ottawa to Stewart flights

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 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.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.