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

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

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 34% 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 December 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.

$333 Cheap Flights from Ontario to Hanoi in 2025/26

Q: What is the typical price of a round-trip flight between Ontario and Hanoi?

Prices are currently low for flights on this route. Typical prices usually range from $1,919 to $2,251. The lowest price recently found on this route was $727.

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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.

12:10 am - 4:50 pm

ONT

HAN

26h 40m1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m1 stop

$727China Airlines

Fri, May 8 - Thu, May 14

12:10 am - 4:50 pm

ONT

HAN

26h 40m1 stop

11:35 am - 6:00 pm

HAN

ONT

20h 25m1 stop

$732China Airlines

Thu, Apr 30 - Fri, May 8

10:50 pm - 4:30 pm

ONT

HAN

26h 40m1 stop

11:35 am - 4:50 pm

HAN

ONT

20h 15m1 stop

$736China Airlines

Tue, Jan 13 - Tue, Jan 20

10:50 pm - 4:30 pm

ONT

HAN

26h 40m1 stop

11:35 am - 4:50 pm

HAN

ONT

20h 15m1 stop

$738China Airlines

Tue, Jan 13 - Tue, Jan 20

12:10 am - 10:30 am

ONT

HAN

20h 20m1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m1 stop

$742China Airlines

Tue, Apr 14 - Thu, Apr 23

11:50 pm - 4:30 pm

ONT

HAN

26h 40m1 stop

11:20 am - 5:50 pm

HAN

ONT

20h 30m1 stop

$752China Airlines

Wed, Mar 11 - Wed, Mar 18

12:10 am - 4:50 pm

ONT

HAN

26h 40m1 stop

5:50 pm - 6:00 pm

HAN

ONT

38h 10m1 stop

$758China Airlines

Sun, Apr 26 - Fri, May 1

11:50 pm - 4:30 pm

ONT

HAN

26h 40m1 stop

11:20 am - 5:50 pm

HAN

ONT

20h 30m1 stop

$768China Airlines

Wed, Mar 18 - Fri, Mar 27

11:50 pm - 4:30 pm

ONT

HAN

26h 40m1 stop

11:20 am - 5:50 pm

HAN

ONT

20h 30m1 stop

$776China Airlines

Tue, Mar 17 - Sat, Mar 28

12:10 am - 4:50 pm

ONT

HAN

26h 40m1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m1 stop

$777China Airlines

Sun, Mar 29 - Wed, Apr 8

China Airlines flights from Ontario to Hanoi

Our best China Airlines deals on Ontario to Hanoi flight tickets

China Airlines

May 8

ONT12:10 amOntario

26h 40m

1 stop

HAN4:50 pmHanoi Noibai

May 14

HAN11:30 amHanoi Noibai

20h 30m

1 stop

ONT6:00 pmOntario

$727

Find similar

China Airlines

Jan 13

ONT10:50 pmOntario

26h 40m

1 stop

HAN4:30 pmHanoi Noibai

Jan 20

HAN11:35 amHanoi Noibai

20h 15m

1 stop

ONT4:50 pmOntario

$736

Find similar

China Airlines

Jan 13

ONT10:50 pmOntario

26h 40m

1 stop

HAN4:30 pmHanoi Noibai

Jan 20

HAN11:35 amHanoi Noibai

20h 15m

1 stop

ONT4:50 pmOntario

$738

Find similar

Delta flights from Ontario to Hanoi

Our best Delta deals on Ontario to Hanoi flight tickets

Delta

Mar 30

ONT6:00 amOntario

25h 35m

2 stops

HAN9:35 pmHanoi Noibai

Apr 7

HAN11:10 pmHanoi Noibai

32h 03m

2 stops

ONT5:13 pmOntario

$782

Find similar

Delta

Mar 30

ONT6:00 amOntario

25h 35m

2 stops

HAN9:35 pmHanoi Noibai

Apr 9

HAN11:10 pmHanoi Noibai

38h 44m

2 stops

ONT11:54 pmOntario

$795

Find similar

Delta

Apr 6

ONT6:00 amOntario

25h 35m

2 stops

HAN9:35 pmHanoi Noibai

Apr 27

HAN11:10 pmHanoi Noibai

37h 30m

2 stops

ONT10:40 pmOntario

$813

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 5/8

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Thu 5/14

11:30 am-6:00 pm

1 stop20h 30m

$727

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 4/30

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Fri 5/8

11:35 am-6:00 pm

1 stop20h 25m

$732

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 1/13

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Tue 1/20

11:35 am-4:50 pm

1 stop20h 15m

$736

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 1/13

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Tue 1/20

11:35 am-4:50 pm

1 stop20h 15m

$738

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 4/14

12:10 am-10:30 am

1 stop20h 20m

Hanoi Noibai

Thu 4/23

11:30 am-6:00 pm

1 stop20h 30m

$742

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 3/11

11:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Wed 3/18

11:20 am-5:50 pm

1 stop20h 30m

$752

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 4/26

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Fri 5/1

5:50 pm-6:00 pm

1 stop38h 10m

$758

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 3/18

11:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Fri 3/27

11:20 am-5:50 pm

1 stop20h 30m

$768

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 3/17

11:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Sat 3/28

11:20 am-5:50 pm

1 stop20h 30m

$776

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 3/29

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Wed 4/8

11:30 am-6:00 pm

1 stop20h 30m

$777

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 typical price of a round-trip flight between Ontario and Hanoi?

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 44% 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 December 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 $719	Free Cancellation	Rating 8.3 792 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.