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Home / Montreal — Ontario

Cheap flights Montreal — Ontario

Montreal (YMQ, CA) Ontario (ONT, US)
from $371 3 921 km ~5h 7m 2 flights found 2 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $371 on 24.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
24 Dec 2026, Thu
United Airlines UA 3653
14:00
YUL Montreal-Pierre Elliott Trudeau International Airport
21:47
ONT Ontario International Airport
7h 47m 1 stop
Trip.com
$371
View this ticket
16 Nov 2026, Mon
Porter Airlines Canada PD 2736
23:40
YHU St. Hubert Airport
07:18
ONT Ontario International Airport
7h 38m 2 stops
Flightnetwork
$381
View this ticket
Route characteristics
Distance
3 921 km
Flight time
5h 7m
Time difference
-3h
Minimum price
from $371 (24.12.2026)
Average price
$376
Maximum price
$381
Cheapest day
Thursday
Departure airports (2)
YHU St. Hubert Airport YUL Montreal-Pierre Elliott Trudeau International Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (2)
UA United Airlines PD Porter Airlines Canada
Agencies (2)
Trip.com Flightnetwork
Prices by day of week
Monday
$381
avg $381
Thursday
$371
avg $371
Cheapest
Price trend by month
November 2026
from $381
avg $381
1 flights
December 2026
from $371
avg $371
1 flights
Airlines — cheapest prices 2
United Airlines
United Airlines
1 flights · 1 days
$371
Porter Airlines Canada
Porter Airlines Canada
Low-cost 1 flights · 1 days
$381
Where to buy tickets 2
Trip.com
1 tickets · 1 days
from $371
Flightnetwork
1 tickets · 1 days
from $381
Airports

From — Montreal (2)

  • YHU St. Hubert Airport
  • YUL Montreal-Pierre Elliott Trudeau International Airport

To — Ontario (1)

  • ONT Ontario International Airport
Other destinations from Montreal
La Baie
CA
Quebec
CA
Val-D'Or
CA
Wabush
CA
Sept-Iles
CA
Puerto Plata
DO
Vancouver
CA
Fort Lauderdale
US
Boston
US
Halifax
CA
Calgary
CA
Punta Cana
DO
Frequently asked questions about the route Montreal — Ontario
How long is the flight from Montreal to Ontario?
Approximate flight time — 5h 7m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Montreal to Ontario?
The straight-line distance — 3 921 km.
How much do flights from Montreal to Ontario cost?
The minimum price over 3 months — from $371 on 24.12.2026.
What is the average ticket price?
The average price — $376. Range: $371 — $381.
What is the time difference between Montreal and Ontario?
The difference — -3h.
From which airports does Montreal operate flights?
From Montreal: YHU (St. Hubert Airport), YUL (Montreal-Pierre Elliott Trudeau International Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 2 airlines: United Airlines, Porter Airlines Canada.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Montreal — Ontario

Flights Montreal — Ontario is a popular route. The straight-line distance is 3 921 km. Flight time 5h 7m. Time difference -3h.

From Montreal (YMQ) flights depart from 2 airports: YHU, YUL. To Ontario (ONT) — 1 arrival airport: ONT.

2 airlines operate on this route: United Airlines, Porter Airlines Canada.

The minimum price for the next 3 months — from $371 (24.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $376, ranging from $371 to $381. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Montreal
Miami
US
Boston
US
Fort Lauderdale
US
Minneapolis
US
Las Vegas
US
Los Angeles
US
Philadelphia
US
Greensboro
US

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