Skip to main content
How to find the cheapest flight from
![American Airlines]()
![Multiple Airlines]()
Cheap flights from Hanoi to Ontario
Round-trip
Economy
How to find the cheapest flight from
Hanoi (HAN) to Ontario (ONT)
All the information you need to plan the best HAN to ONT flight in 2021: compare Hanoi to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
What is the cheapest month to fly from Hanoi to Ontario?
The best pricing can be found in the month of November. Prices to Ontario from Hanoi average 17,544,456 ₫. You can even find prices in November for less than 17,544,456 ₫, as users have found deals to Ontario from as low as 13,371,169 ₫. The month of January appears to be one of the more expensive times to travel to Ontario from Hanoi. Flying in the targeted month can save you up to 18%.
How far in advance should I book a flight from Hanoi to Ontario?
To save up to 11% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Hanoi to Ontario from 18,433,598 ₫ 1-2 weeks out and tickets from 18,706,016 ₫ for flights departing within the next 72 hours.
When is the cheapest time to fly from Hanoi to Ontario (HAN - ONT)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to Ontario as you normally would.
Cheap flights from Hanoi to Ontario in October, November, 2021
The best prices found for HAN to ONT flights for October, November
17 Oct - 21 Oct
40,499,432 ₫pp
HAN
Hanoi Noibai
Multiple Airlines
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
2 STOPS
HAN
Hanoi Noibai
Hanoi Noibai to Ontario 2021 flight deals
Cheap flights to Ontario from Hanoi found for this year
17 Oct - 21 Oct
40,499,432 ₫pp
HAN
Hanoi Noibai
Multiple Airlines
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
2 STOPS
HAN
Hanoi Noibai
One-way flights to Ontario from Hanoi
The cheapest one-way flights from Hanoi to Ontario
19:55 - 14:31
American Airlines
2 stops
32h 36m
HAN - ONT
12,326,901 ₫
19:20 - 16:16
Multiple Airlines
3 stops
34h 56m
HAN - ONT
18,433,598 ₫
FlyFar
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Hanoi</span> to <span class="emphasized">Ontario</span> flights.
COVID Restrictions
View COVID Travel Restrictions for Ontario, CA
Hide COVID Travel Restrictions for Ontario, CA
Alternative routes for Hanoi to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Hanoi Noibai to Los Angeles
from 16,821,794 ₫ pp
Da Nang to Los Angeles
from 34,687,856 ₫ pp