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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 Rs337,620. Find the lowest prices on one-way and return tickets right here.
Hanoi.Rs132,607 per passenger.Departing Thu, 20 Aug.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Thu, 20 Aug, arriving in Hanoi.Price includes taxes and charges.From Rs132,607, select.
Hanoi.Rs137,942 per passenger.Departing Thu, 24 Sep.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Thu, 24 Sep, arriving in Hanoi.Price includes taxes and charges.From Rs137,942, select.
Hanoi.Rs140,240 per passenger.Departing Tue, 19 Jan.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 19 Jan, arriving in Hanoi.Price includes taxes and charges.From Rs140,240, select.
Hanoi.Rs140,240 per passenger.Departing Tue, 23 Mar.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 23 Mar, arriving in Hanoi.Price includes taxes and charges.From Rs140,240, select.
Hanoi.Rs140,298 per passenger.Departing Mon, 23 Nov.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Mon, 23 Nov, arriving in Hanoi.Price includes taxes and charges.From Rs140,298, select.
Hanoi.Rs140,404 per passenger.Departing Wed, 24 Feb.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Wed, 24 Feb, arriving in Hanoi.Price includes taxes and charges.From Rs140,404, select.
Hanoi.Rs141,807 per passenger.Departing Sun, 25 Oct.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Sun, 25 Oct, arriving in Hanoi.Price includes taxes and charges.From Rs141,807, select.
Hanoi.Rs141,861 per passenger.Departing Tue, 1 Dec.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 1 Dec, arriving in Hanoi.Price includes taxes and charges.From Rs141,861, select.
Hanoi.Rs153,847 per passenger.Departing Tue, 14 Jul.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Tue, 14 Jul, arriving in Hanoi.Price includes taxes and charges.From Rs153,847, select.
Hanoi.Rs161,008 per passenger.Departing Sun, 18 Apr.One-way flight with China Airlines.Outbound indirect flight with China Airlines, departs from Ontario International on Sun, 18 Apr, arriving in Hanoi.Price includes taxes and charges.From Rs161,008, select.
Hanoi.Rs218,883 per passenger.Departing Fri, 26 Jun.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from Ontario International on Fri, 26 Jun, arriving in Hanoi.Price includes taxes and charges.From Rs218,883, 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.
Jun
from Rs218,883
Jul
from Rs153,847
Aug
from Rs132,607
Sep
from Rs137,942
Oct
from Rs141,807
Nov
from Rs140,298
Dec
from Rs141,861
Jan
from Rs140,240
Feb
from Rs140,404
Mar
from Rs140,240
Apr
from Rs161,008
May
Find prices

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 Rs132,607
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Ontario to Hanoi: Flight information

The things to know before you go.
Cheapest flight foundRs132,607
Cheapest month to flyAugust

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 Rs276,584. 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 Rs276,584.
As of June 2026, there are no flights flying from Ontario International to Hanoi.
The cheapest month to fly from Ontario International to Hanoi is usually November.
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, 19 November 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.

Travelling from Ontario International Airport (ONT) to Noi Bai International Airport (HAN): what you need to know

  • Hanoi's timezone is UTC+7, making Hanoi 14 hours ahead of Ontario.

  • Give yourself plenty of time to make your ONT to HAN flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as August? Major public holidays and other popular periods can mean longer lines and delays at security. Play it safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • If you'd love to explore a new city along the way, search for a flight with a stopover. To see all your options for tickets from Ontario International Airport to Noi Bai International Airport, deselect 'Direct flights only.' Taiwan Taoyuan International Airport is a well-known stop between ONT and HAN.

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

  • At the moment, Rs132,607 is the lowest price we've found for a one-way Ontario International Airport to Noi Bai International Airport flight. The best price for a return ticket is Rs276,584. Remember that fares could change due to availability when booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from ONT to HAN if you book early. Airlines often offer some excellent early bird rates.

  • Finding cheap flights from Ontario International Airport to Noi Bai International Airport is easier if you're flexible with your travel dates. Use the 'Whole month' tool to see the best prices across the month and land a great deal.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as a special offer becomes available on cheap flights from ONT to HAN.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Ontario International Airport to Noi Bai International Airport.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • 83.6% of flights leaving Ontario International Airport reach their destination as planned. Given its dependable on-time performance, you're unlikely to be delayed when taking off from ONT.

  • To reach Ontario International Airport from central Ontario, it takes around 10 minutes if you're going by car. This depends on traffic though. It's approximately 6 kilometres from the airport to the city centre.

  • Planning to take public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Catching an early flight from Ontario International Airport to Noi Bai International Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near ONT:

Arriving at Noi Bai International Airport (HAN)

  • Reserve a hotel close to HAN if you're catching a late Ontario International Airport to Noi Bai International Airport flight. Choose one of these options and skip the long transfer:

  • Pick up a Noi Bai International Airport rental car and explore parts of Hanoi that aren't the typical tourist stops. Book your wheels with Dichung Car Hire.

  • Increase your chances of getting the lowest price by booking as early as possible. Reserving your ride from Noi Bai International Airport several weeks in advance is a wise move.

Getting from Noi Bai International Airport (HAN) to central Hanoi

  • Noi Bai International Airport is roughly 26 kilometres from central Hanoi. The drive time takes about 35 minutes.

  • It takes roughly 1 hour 55 minutes to get there using public transport.

When to fly to Noi Bai International Airport (HAN)

  • It's time to pick your dates for your flight from Ontario International Airport to Noi Bai International Airport. July is the busiest month to head to Hanoi. If you want a more laid-back vibe, go in April.

  • Before locking in your flight from Ontario International Airport to Noi Bai International Airport, think about the kind of weather you like. June is the warmest month in Hanoi, with the temperature ranging from 25ºC to 36ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from ONT to HAN in January. Temperatures average between 10ºC and 22ºC then.

Explore more of Vietnam

  • Việt Trì is just one of the many places in Vietnam waiting to be discovered once you've seen Hanoi. Around 48 kilometres away to the north-west, well-known attractions include Vườn Lan Hiền Vũ, Nhà Vườn Tiến An and Vườn lan Ngọc Tân.

  • If you're ready to explore another major stop in Vietnam, consider Móng Cái, roughly 225 kilometres east of Hanoi. Tra Co beach, Moncay Catholic Church and Chimsu Chill on the beach are the start of reasons to visit.

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.