What airlines fly to Hanoi?

Asiana Airlines, Cathay Pacific and China Airlines are the top three most popular airlines that fly to Hanoi from Ontario according to our data. Asiana Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 15 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Hanoi Noibai?

Delta, Korean Air, and China Airlines are the most popular carriers operating from Ontario to Hanoi Noibai

When did momondo last update prices for flights from Ontario Airport to Hanoi Noibai Airport?

Prices for flights from Ontario Airport to Hanoi Noibai Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Hanoi Noibai Airport?

As of November 2025, there is 1 operator available to choose from for flights from Ontario Airport to Hanoi Noibai Airport.

How old do you have to be to fly from Ontario Airport to Hanoi Noibai Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Hanoi Noibai Airport.

What documentation or ID do you need to fly to Hanoi Noibai Airport?

The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$368 Cheap Flights from Ontario to Hanoi in 2025/26

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Find the cheapest flights from Ontario to Hanoi

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:50 pm - 4:30 pmONT-HAN

26h 40m1 stop

11:20 am - 5:50 pmHAN-ONT

20h 30m1 stop

$697China Airlines

Find Deal

Tue, Mar 3 - Thu, Mar 12

10:50 pm - 4:30 pmONT-HAN

26h 40m1 stop

11:20 am - 5:50 pmHAN-ONT

20h 30m1 stop

$703China Airlines

Find Deal

Fri, Mar 6 - Thu, Mar 12

1:20 pm - 9:45 pmONT-HAN

41h 25m2 stops

11:05 pm - 6:18 pmHAN-ONT

34h 13m2 stops

$716Delta

Find Deal

Wed, Nov 19 - Wed, Nov 26

11:50 pm - 10:20 amONT-HAN

20h 30m1 stop

11:35 am - 6:00 pmHAN-ONT

20h 25m1 stop

$720China Airlines

Find Deal

Mon, Mar 23 - Mon, Apr 6

10:50 pm - 10:35 amONT-HAN

20h 45m1 stop

5:30 pm - 11:29 pmHAN-ONT

20h 59m2 stops

$848Multiple Airlines

Find Deal

Mon, Nov 17 - Mon, Dec 8

1:20 pm - 9:45 pmONT-HAN

41h 25m2 stops

12:20 pm - 10:55 pmHAN-ONT

25h 35m2 stops

$858Delta

Find Deal

Wed, Nov 19 - Mon, Nov 24

6:45 am - 9:45 pmONT-HAN

24h 00m2 stops

12:20 pm - 10:47 pmHAN-ONT

25h 27m2 stops

$871Multiple Airlines

Find Deal

Mon, Nov 17 - Mon, Dec 8

6:45 am - 9:45 pmONT-HAN

25h 00m2 stops

12:00 pm - 5:15 pmHAN-ONT

43h 15m2 stops

$912Korean Air

Find Deal

Fri, Mar 27 - Sat, Apr 4

6:00 am - 10:25 pmONT-HAN

25h 25m2 stops

12:25 am - 5:43 pmHAN-ONT

32h 18m2 stops

$926United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 26

6:45 am - 10:40 amONT-HAN

37h 55m2 stops

12:00 pm - 10:38 pmHAN-ONT

48h 38m2 stops

$938Korean Air

Find Deal

Sat, Mar 28 - Sat, Apr 4

China Airlines flights from Ontario to Hanoi

Our best China Airlines deals on Ontario to Hanoi flight tickets

China Airlines

Mar 3

ONT10:50 pmOntario

26h 40m

1 stop

HAN4:30 pmHanoi Noibai

Mar 12

HAN11:20 amHanoi Noibai

20h 30m

1 stop

ONT5:50 pmOntario

$697

Find similar

China Airlines

Mar 6

ONT10:50 pmOntario

26h 40m

1 stop

HAN4:30 pmHanoi Noibai

Mar 12

HAN11:20 amHanoi Noibai

20h 30m

1 stop

ONT5:50 pmOntario

$703

Find similar

China Airlines

Mar 23

ONT11:50 pmOntario

20h 30m

1 stop

HAN10:20 amHanoi Noibai

Apr 6

HAN11:35 amHanoi Noibai

20h 25m

1 stop

ONT6:00 pmOntario

$720

Find similar

Delta flights from Ontario to Hanoi

Our best Delta deals on Ontario to Hanoi flight tickets

Delta

Nov 19

ONT1:20 pmOntario

41h 25m

2 stops

HAN9:45 pmHanoi Noibai

Nov 26

HAN11:05 pmHanoi Noibai

34h 13m

2 stops

ONT6:18 pmOntario

$716

Find similar

Delta

Nov 19

ONT1:20 pmOntario

41h 25m

2 stops

HAN9:45 pmHanoi Noibai

Nov 24

HAN12:20 pmHanoi Noibai

25h 35m

2 stops

ONT10:55 pmOntario

$858

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 3/3

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Thu 3/12

11:20 am-5:50 pm

1 stop20h 30m

$697

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 3/6

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Thu 3/12

11:20 am-5:50 pm

1 stop20h 30m

$703

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 11/19

1:20 pm-9:45 pm

2 stops41h 25m

Hanoi Noibai

Wed 11/26

11:05 pm-6:18 pm

2 stops34h 13m

$716

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 3/23

11:50 pm-10:20 am

1 stop20h 30m

Hanoi Noibai

Mon 4/6

11:35 am-6:00 pm

1 stop20h 25m

$720

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 11/17

10:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Mon 12/8

5:30 pm-11:29 pm

2 stops20h 59m

$848

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 11/19

1:20 pm-9:45 pm

2 stops41h 25m

Hanoi Noibai

Mon 11/24

12:20 pm-10:55 pm

2 stops25h 35m

$858

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 11/17

6:45 am-9:45 pm

2 stops24h 00m

Hanoi Noibai

Mon 12/8

12:20 pm-10:47 pm

2 stops25h 27m

$871

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 3/27

6:45 am-9:45 pm

2 stops25h 00m

Hanoi Noibai

Sat 4/4

12:00 pm-5:15 pm

2 stops43h 15m

$912

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 1/12

6:00 am-10:25 pm

2 stops25h 25m

Hanoi Noibai

Mon 1/26

12:25 am-5:43 pm

2 stops32h 18m

$926

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 3/28

6:45 am-10:40 am

2 stops37h 55m

Hanoi Noibai

Sat 4/4

12:00 pm-10:38 pm

2 stops48h 38m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Hanoi

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Hanoi?

The cheapest month to fly to Hanoi from Ontario is in October. Flight prices, which tend to average around $802, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in October, then September is your next best option. Flight prices from Ontario to Hanoi during September average around $827.

What is the cheapest day to depart on your flight to Hanoi?

According to our data, Tuesday is the cheapest day to fly to Hanoi from Ontario. The lowest ticket price found for a Tuesday departure recently was $908. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Saturday is $1,122.

What is the cheapest time of day to depart on your flight to Hanoi?

Our most recent data shows that the best time of day to fly to Hanoi is in the afternoon. Flights from Ontario to Hanoi during this time can be as low as $935. Try not to purchase tickets at noon because they tend to be around $1,065. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Ontario to Hanoi flights?

You could potentially save up to 10% on your flight if you consider stops on a Ontario to Hanoi flight.

When to book flights from Ontario to Hanoi

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Hanoi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Hanoi (ONT to HAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Hanoi

Direct flights	None

There are no direct flights from Ontario to Hanoi. There are no popular flight routes from Ontario to Hanoi.

Search flight deals

How far is Ontario to Hanoi Noibai by plane?
There are 7672.5 mi between Ontario and Hanoi Noibai. A reasonable flight in good conditions will take 20h 30m.
When did momondo last update prices for flights from Ontario Airport to Hanoi Noibai Airport?
Prices for flights from Ontario Airport to Hanoi Noibai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Hanoi Noibai Airport?
As of November 2025, there is 1 operator available to choose from for flights from Ontario Airport to Hanoi Noibai Airport.
How old do you have to be to fly from Ontario Airport to Hanoi Noibai Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Hanoi Noibai Airport.
What documentation or ID do you need to fly to Hanoi Noibai Airport?
The necessary travel and health documents for your Hanoi Noibai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Hanoi?
Based on momondo bookings for flights between Ontario and Hanoi, the leading airline is China Airlines, making up 100% of the total bookings.

Best airlines flying from Ontario to Hanoi

Compare and see reviews for airlines that fly from Ontario to Hanoi with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $738	Free Cancellation	Rating 8.3 776 reviews		Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Hanoi?

Finding the right flight to Hanoi from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Hanoi quick and easy, saving you time and money.

Can I find flights from Ontario to Hanoi with flexible booking policies on momondo?

Yes. All flights to Hanoi from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Hanoi?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hanoi from Ontario.

I’m not ready to book a flight from Ontario to Hanoi right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Hanoi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hanoi and let you know when they change.