Skyscanner home

853 € Cheap Flights from Ontario International to Hanoi

Compare Ontario International to Hanoi flight deals

Find the cheapest month or even day of the year to fly to Hanoi

Book the best Hanoi fare with no extra fees

Flight deals from Ontario International to Hanoi

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Hanoi Airport? If you want to travel next month, return fares start from 854 €. Find the lowest prices on one-way and return tickets right here.
Hanoi.853 € per passenger.Departing Thu, 24 Sep, returning Fri, 9 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Thu, 24 Sep, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Fri, 9 Oct, arriving in Ontario International.Price includes taxes and charges.From 853 €, select.
Hanoi.854 € per passenger.Departing Thu, 13 Aug, returning Thu, 27 Aug.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Thu, 13 Aug, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Thu, 27 Aug, arriving in Ontario International.Price includes taxes and charges.From 854 €, select.
Hanoi.857 € per passenger.Departing Fri, 21 Aug, returning Fri, 4 Sep.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Fri, 21 Aug, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Fri, 4 Sep, arriving in Ontario International.Price includes taxes and charges.From 857 €, select.
Hanoi.857 € per passenger.Departing Wed, 9 Sep, returning Wed, 16 Sep.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Wed, 9 Sep, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Wed, 16 Sep, arriving in Ontario International.Price includes taxes and charges.From 857 €, select.
Hanoi.876 € per passenger.Departing Mon, 5 Oct, returning Thu, 29 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Mon, 5 Oct, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Thu, 29 Oct, arriving in Ontario International.Price includes taxes and charges.From 876 €, select.
Hanoi.880 € per passenger.Departing Thu, 29 Oct, returning Thu, 12 Nov.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Thu, 29 Oct, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Thu, 12 Nov, arriving in Ontario International.Price includes taxes and charges.From 880 €, select.
Hanoi.883 € per passenger.Departing Tue, 17 Nov, returning Fri, 20 Nov.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Tue, 17 Nov, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Fri, 20 Nov, arriving in Ontario International.Price includes taxes and charges.From 883 €, select.
Hanoi.883 € per passenger.Departing Fri, 27 Nov, returning Mon, 21 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Fri, 27 Nov, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Mon, 21 Dec, arriving in Ontario International.Price includes taxes and charges.From 883 €, select.
Hanoi.883 € per passenger.Departing Mon, 24 Aug, returning Mon, 5 Oct.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Mon, 24 Aug, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Mon, 5 Oct, arriving in Ontario International.Price includes taxes and charges.From 883 €, select.
Hanoi.885 € per passenger.Departing Mon, 5 Oct, returning Mon, 7 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Mon, 5 Oct, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Mon, 7 Dec, arriving in Ontario International.Price includes taxes and charges.From 885 €, select.
Hanoi.896 € per passenger.Departing Mon, 14 Sep, returning Fri, 11 Dec.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Mon, 14 Sep, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Fri, 11 Dec, arriving in Ontario International.Price includes taxes and charges.From 896 €, select.
Hanoi.902 € per passenger.Departing Wed, 19 Aug, returning Wed, 12 May.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Wed, 19 Aug, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Wed, 12 May, arriving in Ontario International.Price includes taxes and charges.From 902 €, select.
Hanoi.905 € per passenger.Departing Wed, 19 Aug, returning Tue, 17 Nov.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Wed, 19 Aug, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Tue, 17 Nov, arriving in Ontario International.Price includes taxes and charges.From 905 €, select.
Hanoi.906 € per passenger.Departing Sun, 15 Nov, returning Thu, 15 Apr.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Sun, 15 Nov, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Thu, 15 Apr, arriving in Ontario International.Price includes taxes and charges.From 906 €, select.
Hanoi.919 € per passenger.Departing Tue, 8 Dec, returning Tue, 26 Jan.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 8 Dec, arriving in Hanoi.Inbound indirect flight with Korean Air, departs from Hanoi on Tue, 26 Jan, arriving in Ontario International.Price includes taxes and charges.From 919 €, select.
Hanoi.934 € per passenger.Departing Wed, 3 Mar, returning Mon, 15 Mar.Return flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Wed, 3 Mar, arriving in Hanoi.Inbound indirect flight with China Airlines, departs from Hanoi on Mon, 15 Mar, arriving in Ontario International.Price includes taxes and charges.From 934 €, select.

Find the cheapest month to fly from Ontario International to Hanoi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Hanoi flights are currently cheapest in August.
Jul
from 1.072 €
Aug
from 854 €
Sep
from 857 €
Oct
from 876 €
Nov
from 883 €
Dec
from 957 €
Jan
from 938 €
Feb
from 943 €
Mar
from 934 €
Apr
from 934 €
May
from 957 €
Jun
from 1.471 €

Ontario International to Hanoi: Alternative routes

Compare routes from Ontario International to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Hanoi

21km from central Hanoi
ClosestCheapest
from 853 €
Search flights

Ontario to Hanoi: Flight information

The things to know before you go.
Cheapest flight found853 €
Cheapest month to flySeptember

Finding cheap flights from Ontario International to Hanoi: Frequently asked questions

The best price we found for a return flight from Ontario International to Hanoi is 853 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ontario International to Hanoi. But we found flights with one or more stops from 853 €.
As of July 2026, there are no flights flying from Ontario International to Hanoi.
The cheapest month to fly from Ontario International to Hanoi is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Hanoi Airport on Thursday, 24 September 2026.
No airlines currently offer direct flights between Ontario International Airport and Hanoi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Hanoi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, China Airlines offers the cheapest flight tickets to Hanoi.

Flying from Ontario International Airport (ONT) to Hanoi Airport (HAN): what you need to know

  • The timezone in Hanoi is UTC+7, which is 15 hours ahead of Ontario.

  • To ensure you get on your ONT to HAN flight, leave plenty of time to check in and drop off your luggage. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • Travelling during a peak month such as July? Public holidays and other high seasons can mean longer lines at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Break up your flight or explore another city along the way with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Ontario International Airport to Hanoi Airport. Many passengers pass through Taipei Taiwan Taoyuan Airport on this route.

How to find the cheapest flights from Ontario International Airport (ONT) to Hanoi Airport (HAN)

  • 402 € is the best price for a one-way Ontario International Airport to Hanoi Airport flight. Return flights start from 853 €. These prices can change based on demand.

  • To score cheap tickets from ONT to HAN, book early. Airlines usually offer lower prices when flights are first made available.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll give you the cheapest price in each month when searching for a flight from Ontario International Airport to Hanoi Airport.

  • Landing cheap flights from ONT to HAN is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Ontario International Airport to Hanoi Airport.

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • 83% of flights departing from Ontario International Airport land at their destination as planned. With its impressive on-time stats, you're unlikely to be delayed when setting off from ONT.

  • Central Ontario to Ontario International Airport is around 10 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • You can expect a journey time of roughly 45 minutes when using public transport.

  • Looking for a convenient hotel close to ONT? If you're boarding an early flight from Ontario International Airport to Hanoi Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Hanoi Airport (HAN)

  • If you're arriving on a late Ontario International Airport to Hanoi Airport flight, few things top the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing shortly after at one of these accommodation options near HAN:

  • Start your adventure the moment you land with a Hanoi Airport rental car. Grab a set of wheels from Dichung Car Rental to explore Hanoi and beyond.

  • To lock in the best rate, book your ride from Hanoi Airport several weeks in advance. Prices generally rise closer to the day of travel.

Getting from Hanoi Airport (HAN) to central Hanoi

  • Hanoi Airport to central Hanoi has a drive time of about 40 minutes. It's approximately 31 kilometres away.

  • Getting there on public transport will take you roughly 1 hour.

When to fly to Hanoi Airport (HAN)

  • The quietest month for a flight from Ontario International Airport to Hanoi Airport is March, while June is the busiest. Pick the ideal time to visit Hanoi based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When booking your flight from Ontario International Airport to Hanoi Airport, think about the type of weather you enjoy. June is the warmest month in Hanoi, with temperatures ranging from 25ºC (77ºF) to 36ºC (97ºF).

  • Look for cheap tickets from ONT to HAN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 10ºC (50ºF) and 23ºC (73ºF) on average.

Plan the rest of your trip from Ontario to Hanoi

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.