Cheap flights from Ontario to Sumatra from C$ 1,076
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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Ontario to Sumatra
One-way flights from Ontario to SumatraSearch for one-way flight options from Ontario to Sumatra. Find affordable one-way fares based on user searches. Data last updated 7 August 2025.
Search for one-way flight options from Ontario to Sumatra. Find affordable one-way fares based on user searches. Data last updated 7 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ontario to Sumatra that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TorontoPekanbaru
YTZ - PKU
YTZPKU
Toronto Island
Sun 21/9
1:35 p.m.-10:30 a.m.
3 stops33h 55m
Best time to book a flight from Ontario to Sumatra
Have a flexible travel schedule? Discover the best time to fly to Sumatra from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Sumatra
Related info for your journey
Find useful and relevant information for your journey from Ontario to Sumatra. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 Ontario to Sumatra
See prices for flight routes from nearby airports that may be better suited for you.
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 Ontario to Sumatra?
Cheapflights makes it easy to find Ontario to Sumatra 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 Ontario to Sumatra?
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 Sumatra from Ontario.
Can Cheapflights find flights from Ontario to Sumatra with no change fees?
Yes, we can. To see specific flights from Ontario to Sumatra 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 Ontario to Sumatra become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!