What airlines fly to Hanoi?

Singapore Airlines, Cathay Pacific and Asiana Airlines are the top three most popular airlines that fly to Hanoi from Ontario according to our data. Singapore Airlines is the first choice among our users, with 30% 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 and Korean Air 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 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.

$383 Cheap Flights from Ontario to Hanoi in 2026/27

Discover deals from 900+ travel sites with momondo.

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 - 11:10 amONT Ontario-HAN Hanoi Noibai

38h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 pm - 5:17 pmHAN Hanoi Noibai-ONT Ontario

42h 57m2 stops Incheon Intl Seattle/Tacoma Intl

$788Korean Air

Sat, Mar 20 - Wed, Mar 24

7:00 am - 11:10 amONT Ontario-HAN Hanoi Noibai

37h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 pm - 11:00 pmHAN Hanoi Noibai-ONT Ontario

25h 40m2 stops Incheon Intl Seattle/Tacoma Intl

$788Korean Air

Sun, Nov 15 - Thu, Nov 19

7:00 am - 11:10 amONT Ontario-HAN Hanoi Noibai

38h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 pm - 5:17 pmHAN Hanoi Noibai-ONT Ontario

42h 57m2 stops Incheon Intl Seattle/Tacoma Intl

$798Korean Air

Sat, Mar 20 - Wed, Mar 24

11:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

5:50 pm - 6:00 pmHAN Hanoi Noibai-ONT Ontario

38h 10m1 stop Taipei City Taiwan Taoyuan Intl

$897China Airlines

Tue, Mar 16 - Tue, Apr 13

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 6:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$921China Airlines

Wed, Feb 24 - Wed, Mar 24

12:10 am - 4:50 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:30 am - 6:00 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$926China Airlines

Wed, Apr 14 - Sun, Apr 25

12:10 am - 4:50 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

5:50 pm - 6:00 pmHAN Hanoi Noibai-ONT Ontario

38h 10m1 stop Taipei City Taiwan Taoyuan Intl

$926China Airlines

Tue, Apr 13 - Sun, Apr 25

11:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 6:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$930China Airlines

Sun, Mar 14 - Fri, Mar 19

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$931China Airlines

Wed, Feb 24 - Wed, Mar 10

12:10 am - 10:30 amONT Ontario-HAN Hanoi Noibai

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

11:30 am - 6:00 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$931China Airlines

Sat, Apr 17 - Sun, May 2

Cheap last minute flights

Enter your travel dates to find the best prices.

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$997China Airlines

Sun, Nov 8 - Tue, Nov 24

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,034China Airlines

Wed, Nov 4 - Wed, Nov 11

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,035China Airlines

Fri, Nov 6 - Fri, Nov 13

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,077China Airlines

Wed, Nov 4 - Sat, Nov 7

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,120China Airlines

Wed, Nov 4 - Sat, Nov 7

10:50 pm - 7:30 pmONT Ontario-HAN Hanoi Noibai

29h 40m2 stops Taipei City Taiwan Taoyuan Intl Da Nang

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,209China Airlines

Sun, Nov 8 - Tue, Nov 24

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

6:00 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

26h 05m2 stops Da Nang Taipei City Taiwan Taoyuan Intl

$1,245China Airlines

Wed, Nov 4 - Wed, Nov 11

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

6:00 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

26h 05m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$1,253China Airlines

Fri, Nov 6 - Fri, Nov 13

12:01 pm - 11:35 amONT Ontario-HAN Hanoi Noibai

32h 34m2 stops San Francisco Taipei City Taiwan Taoyuan Intl

6:20 pm - 12:24 amHAN Hanoi Noibai-ONT Ontario

21h 04m2 stops Taipei City Taiwan Taoyuan Intl San Francisco

$1,411Multiple Airlines

Sun, Nov 8 - Tue, Nov 24

5:00 am - 11:05 pmONT Ontario-HAN Hanoi Noibai

27h 05m2 stops Denver Intl Tokyo Narita

12:25 am - 3:33 pmHAN Hanoi Noibai-ONT Ontario

30h 08m2 stops Tokyo Narita San Francisco

$1,502United Airlines

Wed, Nov 4 - Tue, Nov 10

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Korean Air flights from Ontario to Hanoi

Our best Korean Air deals on Ontario to Hanoi flight tickets

Korean Air

Nov 13

ONT7:00 amOntario

37h 10m

2 stops

HAN11:10 amHanoi Noibai

Nov 20

HAN12:20 pmHanoi Noibai

25h 40m

2 stops

ONT11:00 pmOntario

$757

Korean Air

Nov 15

ONT7:00 amOntario

37h 10m

2 stops

HAN11:10 amHanoi Noibai

Nov 19

HAN12:20 pmHanoi Noibai

25h 40m

2 stops

ONT11:00 pmOntario

$788

Korean Air

Mar 20

ONT7:00 amOntario

38h 10m

2 stops

HAN11:10 amHanoi Noibai

Mar 24

HAN12:20 pmHanoi Noibai

42h 57m

2 stops

ONT5:17 pmOntario

$798

United Airlines flights from Ontario to Hanoi

Our best United Airlines deals on Ontario to Hanoi flight tickets

United Airlines

Nov 29

ONT6:00 amOntario

26h 05m

2 stops

HAN11:05 pmHanoi Noibai

Dec 20

HAN12:35 amHanoi Noibai

29h 44m

2 stops

ONT3:19 pmOntario

$927

United Airlines

Apr 14

ONT6:00 amOntario

26h 35m

2 stops

HAN10:35 pmHanoi Noibai

Apr 25

HAN11:55 pmHanoi Noibai

29h 32m

2 stops

ONT3:27 pmOntario

$1,012

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Sat 3/20

7:00 am-11:10 am

2 stops38h 10m

Hanoi Noibai

Wed 3/24

12:20 pm-5:17 pm

2 stops42h 57m

$788

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Sun 11/15

7:00 am-11:10 am

2 stops37h 10m

Hanoi Noibai

Thu 11/19

12:20 pm-11:00 pm

2 stops25h 40m

$788

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Sat 3/20

7:00 am-11:10 am

2 stops38h 10m

Hanoi Noibai

Wed 3/24

12:20 pm-5:17 pm

2 stops42h 57m

$798

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Tue 3/16

11:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Tue 4/13

5:50 pm-6:00 pm

1 stop38h 10m

$897

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Wed 2/24

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Wed 3/24

11:35 am-6:05 pm

1 stop20h 30m

$921

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Wed 4/14

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Sun 4/25

11:30 am-6:00 pm

1 stop20h 30m

$926

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Tue 4/13

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Sun 4/25

5:50 pm-6:00 pm

1 stop38h 10m

$926

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Sun 3/14

11:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Fri 3/19

11:35 am-6:05 pm

1 stop20h 30m

$930

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Wed 2/24

10:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Wed 3/10

11:35 am-5:05 pm

1 stop20h 30m

$931

Quickest round-trip

OntarioHanoi

ONT Ontario - HAN Hanoi Noibai

ONTHAN

Ontario

Sat 4/17

12:10 am-10:30 am

1 stop20h 20m

Hanoi Noibai

Sun 5/2

11:30 am-6:00 pm

1 stop20h 30m

$931

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 June. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in June, then November is your next best option. Flight prices from Ontario to Hanoi during November average around $758.

Can stopping save me money on Ontario to Hanoi flights?

You could potentially save up to 59% 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	$383
Fastest flight time	20h 45m
Direct flights	None

The best one-way flight to Hanoi from Ontario in the past 72 hours is $383. The best round-trip flight deal from Ontario to Hanoi found on momondo in the last 72 hours is $788.

The fastest flight from Ontario to Hanoi takes 20h 45m

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

Search flight deals

Frequently asked questions about flying from Ontario to Hanoi

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 45m.
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 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 $758	Free Cancellation	Rating 8.3 854 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.