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

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

What airlines fly to Hanoi?

Asiana Airlines, Cathay Pacific and Singapore 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 37% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 14 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

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 March 2026, 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.

$330 Cheap Flights from Ontario to Hanoi in 2026

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Find the cheapest flights from Ontario to Hanoi

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$649Korean Air

Mon, Apr 20 - Wed, May 6

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$657Korean Air

Mon, Apr 20 - Wed, May 6

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$676Delta

Mon, Apr 20 - Sun, May 17

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

12:05 pm - 5:10 pm

HAN

ONT

43h 05m

2 stops

$681Korean Air

Mon, Apr 20 - Wed, May 6

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$691Delta

Wed, Apr 22 - Tue, May 19

6:00 am - 9:35 pm

ONT

HAN

25h 35m

2 stops

11:10 pm - 10:34 pm

HAN

ONT

37h 24m

2 stops

$716Delta

Mon, Apr 20 - Fri, May 15

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$726Delta

Fri, Apr 17 - Sun, May 17

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$731Delta

Mon, May 4 - Sat, May 23

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:10 pm

HAN

ONT

32h 00m

2 stops

$736Korean Air

Mon, May 4 - Thu, May 21

12:45 am - 10:30 am

ONT

HAN

19h 45m

1 stop

5:50 pm - 6:40 pm

HAN

ONT

38h 50m

1 stop

$755China Airlines

Wed, Aug 12 - Sun, Aug 23

China Airlines flights from Ontario to Hanoi

Our best China Airlines deals on Ontario to Hanoi flight tickets

China Airlines

Aug 12

ONT12:45 amOntario

19h 45m

1 stop

HAN10:30 amHanoi Noibai

Aug 23

HAN5:50 pmHanoi Noibai

38h 50m

1 stop

ONT6:40 pmOntario

$755

China Airlines

Aug 19

ONT12:45 amOntario

19h 45m

1 stop

HAN10:30 amHanoi Noibai

Sep 2

HAN11:30 amHanoi Noibai

21h 10m

1 stop

ONT6:40 pmOntario

$757

China Airlines

Sep 4

ONT12:45 amOntario

19h 45m

1 stop

HAN10:30 amHanoi Noibai

Sep 28

HAN11:30 amHanoi Noibai

20h 30m

1 stop

ONT6:00 pmOntario

$758

Qatar Airways flights from Ontario to Hanoi

Our best Qatar Airways deals on Ontario to Hanoi flight tickets

Qatar Airways

Apr 5

ONT6:00 amOntario

41h 55m

2 stops

HAN1:55 pmHanoi Noibai

Apr 20

HAN7:30 pmHanoi Noibai

36h 43m

2 stops

ONT6:13 pmOntario

$1,580

Qatar Airways

Mar 31

ONT3:19 pmOntario

32h 36m

2 stops

HAN1:55 pmHanoi Noibai

Apr 29

HAN7:30 pmHanoi Noibai

42h 29m

2 stops

ONT11:59 pmOntario

$1,688

Qatar Airways

Apr 1

ONT6:00 amOntario

35h 15m

2 stops

HAN7:15 amHanoi Noibai

Apr 28

HAN7:30 pmHanoi Noibai

41h 02m

2 stops

ONT10:32 pmOntario

$1,752

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/20

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Wed 5/6

11:10 pm-5:10 pm

2 stops32h 00m

$649

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/20

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Wed 5/6

11:10 pm-5:10 pm

2 stops32h 00m

$657

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/20

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Sun 5/17

11:10 pm-5:10 pm

2 stops32h 00m

$676

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/20

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Wed 5/6

12:05 pm-5:10 pm

2 stops43h 05m

$681

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 4/22

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Tue 5/19

11:10 pm-5:10 pm

2 stops32h 00m

$691

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/20

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Fri 5/15

11:10 pm-10:34 pm

2 stops37h 24m

$716

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 4/17

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Sun 5/17

11:10 pm-5:10 pm

2 stops32h 00m

$726

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 5/4

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Sat 5/23

11:10 pm-5:10 pm

2 stops32h 00m

$731

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 5/4

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Thu 5/21

11:10 pm-5:10 pm

2 stops32h 00m

$736

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 8/12

12:45 am-10:30 am

1 stop19h 45m

Hanoi Noibai

Sun 8/23

5:50 pm-6:40 pm

1 stop38h 50m

$755

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

Can stopping save me money on Ontario to Hanoi flights?

You could potentially save up to 34% 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

Fastest flight time	20h 25m
Direct flights	None

The fastest flight from Ontario to Hanoi takes 20h 25m

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 25m.
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 March 2026, 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 $304	Free Cancellation	Rating 8.3 816 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.