₹ 53,332+ Cheap flights to Ontario
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Ontario in 2026
Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 6 October 2026.
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 6 October 2026.
Best flights to OntarioDiscover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.
Discover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.
Last-minute flights to OntarioDiscover last-minute flight deals to Ontario. Data last updated 6 October 2026 and is based on user searches.
Discover last-minute flight deals to Ontario. Data last updated 6 October 2026 and is based on user searches.
One-way flights to OntarioSearch for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.
Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.
Find flight deals to Ontario
Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 7,457,451 searches and data was last updated on 6 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Ontario that are best for you.
Fly from
Route
Depart
Return
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Fri 30/10
23:55-18:47
2 stops31h 22m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Thu 29/10
23:55-18:47
2 stops31h 22m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Mon 12/10
03:25-18:00
2 stops27h 05m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Fri 16/10
21:15-21:45
2 stops37h 00m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Wed 14/10
03:55-22:43
2 stops31h 18m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Sun 11/10
23:35-20:58
2 stops33h 53m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Wed 25/11
23:55-15:59
2 stops29h 34m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Thu 15/10
02:05-22:43
2 stops33h 08m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Mon 18/1
00:30-18:50
2 stops55h 50m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
New DelhiOntario
DEL New Delhi Indira Gandhi Intl - ONT Ontario
DELONT
New Delhi Indira Gandhi Intl
Sun 17/1
23:50-18:03
2 stops55h 43m
Ontario
Wed 31/12
00:00-13:30
Nonstop0h 00m
Best time to book a flight to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Ontario
Rainfall in Ontario by month
In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.
Temperature in Ontario by month
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).
FAQs about flying to Ontario
Browse thousands of different options on Cheapflights for your next trip
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Other flight destinations closest to Ontario
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Most traveled routes by our users
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Popular United States flight routes
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How does Cheapflights help users find flights to Ontario?
When you search for this flight to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets to Ontario?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Ontario for you. Better yet — we are completely free to use.
Can Cheapflights find flights to Ontario with no change fees?
Yes! Cheapflights helps users easily find flights to Ontario with no change fees.
Can Cheapflights notify me if prices for flights to Ontario become cheaper?
Not ready to book yet? You can track prices for flights to Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.