What airlines fly to Hanoi?

Cathay Pacific, China Airlines and Asiana Airlines are the top three most popular airlines that fly to Hanoi from Ontario according to our data. Cathay Pacific 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 16 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?

Korean Air, United Airlines, 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 August 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.

$360 Cheap Flights from Ontario to Hanoi in 2025

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Find the cheapest flights from Ontario to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

1:15 pm - 9:35 pmONT-HAN

42h 20m2 stops

11:10 pm - 10:40 pmHAN-ONT

37h 30m2 stops

$722Delta

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:37 am - 11:10 amONT-HAN

37h 33m2 stops

12:20 pm - 5:17 pmHAN-ONT

19h 57m2 stops

$760Delta

Find Deal

Thu, Nov 6 - Sat, Nov 22

6:37 am - 11:10 amONT-HAN

37h 33m2 stops

12:20 pm - 5:17 pmHAN-ONT

43h 57m2 stops

$772Korean Air

Find Deal

Thu, Nov 6 - Sat, Nov 22

10:50 pm - 10:35 amONT-HAN

20h 45m1 stop

11:35 am - 4:50 pmHAN-ONT

20h 15m1 stop

$774China Airlines

Find Deal

Sat, Jan 10 - Wed, Jan 21

10:50 pm - 10:35 amONT-HAN

20h 45m1 stop

11:35 am - 4:50 pmHAN-ONT

20h 15m1 stop

$776China Airlines

Find Deal

Sun, Jan 11 - Fri, Jan 23

6:00 am - 9:35 pmONT-HAN

25h 35m2 stops

11:10 pm - 5:00 pmHAN-ONT

31h 50m2 stops

$791Korean Air

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:00 am - 11:05 pmONT-HAN

26h 05m2 stops

12:25 am - 6:00 pmHAN-ONT

32h 35m2 stops

$802United Airlines

Find Deal

Tue, Jan 13 - Mon, Jan 19

11:10 pm - 10:30 amONT-HAN

21h 20m1 stop

11:30 am - 4:50 pmHAN-ONT

19h 20m1 stop

$812STARLUX Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

11:10 pm - 10:25 amONT-HAN

21h 15m1 stop

5:50 pm - 5:05 pmHAN-ONT

37h 15m1 stop

$814STARLUX Airlines

Find Deal

Fri, Sep 12 - Thu, Oct 9

6:00 am - 11:05 pmONT-HAN

26h 05m2 stops

12:25 am - 6:00 pmHAN-ONT

32h 35m2 stops

$852United Airlines

Find Deal

Sat, Jan 24 - Wed, Feb 4

Korean Air flights from Ontario to Hanoi

Our best Korean Air deals on Ontario to Hanoi flight tickets

Korean Air

Nov 6

ONT6:37 amOntario

37h 33m

2 stops

HAN11:10 amHanoi Noibai

Nov 22

HAN12:20 pmHanoi Noibai

43h 57m

2 stops

ONT5:17 pmOntario

$772

Find similar

Korean Air

Sep 27

ONT6:00 amOntario

25h 35m

2 stops

HAN9:35 pmHanoi Noibai

Oct 1

HAN11:10 pmHanoi Noibai

31h 50m

2 stops

ONT5:00 pmOntario

$791

Find similar

Korean Air

Nov 7

ONT6:37 amOntario

37h 33m

2 stops

HAN11:10 amHanoi Noibai

Nov 22

HAN12:20 pmHanoi Noibai

43h 57m

2 stops

ONT5:17 pmOntario

$822

Find similar

China Airlines flights from Ontario to Hanoi

Our best China Airlines deals on Ontario to Hanoi flight tickets

China Airlines

Jan 10

ONT10:50 pmOntario

20h 45m

1 stop

HAN10:35 amHanoi Noibai

Jan 21

HAN11:35 amHanoi Noibai

20h 15m

1 stop

ONT4:50 pmOntario

$774

Find similar

China Airlines

Jan 11

ONT10:50 pmOntario

20h 45m

1 stop

HAN10:35 amHanoi Noibai

Jan 23

HAN11:35 amHanoi Noibai

20h 15m

1 stop

ONT4:50 pmOntario

$776

Find similar

China Airlines

Aug 29

ONT12:45 amOntario

19h 50m

1 stop

HAN10:35 amHanoi Noibai

Sep 6

HAN11:35 amHanoi Noibai

21h 05m

1 stop

ONT6:40 pmOntario

$799

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 9/14

1:15 pm-9:35 pm

2 stops42h 20m

Hanoi Noibai

Sun 9/21

11:10 pm-10:40 pm

2 stops37h 30m

$722

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 11/6

6:37 am-11:10 am

2 stops37h 33m

Hanoi Noibai

Sat 11/22

12:20 pm-5:17 pm

2 stops19h 57m

$760

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 11/6

6:37 am-11:10 am

2 stops37h 33m

Hanoi Noibai

Sat 11/22

12:20 pm-5:17 pm

2 stops43h 57m

$772

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 1/10

10:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Wed 1/21

11:35 am-4:50 pm

1 stop20h 15m

$774

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 1/11

10:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Fri 1/23

11:35 am-4:50 pm

1 stop20h 15m

$776

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 9/27

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Wed 10/1

11:10 pm-5:00 pm

2 stops31h 50m

$791

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 1/13

6:00 am-11:05 pm

2 stops26h 05m

Hanoi Noibai

Mon 1/19

12:25 am-6:00 pm

2 stops32h 35m

$802

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 10/24

11:10 pm-10:30 am

1 stop21h 20m

Hanoi Noibai

Fri 10/31

11:30 am-4:50 pm

1 stop19h 20m

$812

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 9/12

11:10 pm-10:25 am

1 stop21h 15m

Hanoi Noibai

Thu 10/9

5:50 pm-5:05 pm

1 stop37h 15m

$814

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 1/24

6:00 am-11:05 pm

2 stops26h 05m

Hanoi Noibai

Wed 2/4

12:25 am-6:00 pm

2 stops32h 35m

$852

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 September. Flight prices, which tend to average around $831, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then November is your next best option. Flight prices from Ontario to Hanoi during November average around $859.

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 17% 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

Best Price Found	$360
Fastest flight time	19h 50m
Direct flights	None
Airports in Hanoi	1 airport

The best one-way flight to Hanoi from Ontario in the past 72 hours is $360. The best round-trip flight deal from Ontario to Hanoi found on momondo in the last 72 hours is $722.

The fastest flight from Ontario to Hanoi takes 19h 50m

There are no direct flights from Ontario to Hanoi. Popular non-direct route for this connection is Ontario Airport - Hanoi Noibai Airport.

There is 1 airport near Hanoi: Hanoi Noibai (HAN)

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 19h 50m.
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 August 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 $769	Free Cancellation	Rating 8.3 755 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.