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

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

What airlines fly to Hanoi?

Asiana Airlines, Singapore Airlines and Cathay Pacific 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 33% 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 June 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.

$485 Cheap Flights from Ontario to Hanoi in 2026

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.

12:10 am - 4:50 pm

ONT

HAN

26h 40m

1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m

1 stop

$972China Airlines

Thu, Oct 1 - Fri, Oct 16

12:45 am - 4:50 pm

ONT

HAN

26h 05m

1 stop

5:50 pm - 6:40 pm

HAN

ONT

38h 50m

1 stop

$974China Airlines

Sat, Aug 15 - Tue, Aug 25

12:10 am - 4:50 pm

ONT

HAN

26h 40m

1 stop

11:35 am - 4:50 pm

HAN

ONT

20h 15m

1 stop

$975China Airlines

Mon, Oct 19 - Tue, Nov 3

12:45 am - 10:30 am

ONT

HAN

19h 45m

1 stop

11:30 am - 6:40 pm

HAN

ONT

21h 10m

1 stop

$977China Airlines

Wed, Aug 5 - Thu, Aug 20

12:45 am - 4:50 pm

ONT

HAN

26h 05m

1 stop

5:50 pm - 6:00 pm

HAN

ONT

38h 10m

1 stop

$978China Airlines

Fri, Aug 21 - Fri, Sep 18

11:50 pm - 10:35 am

ONT

HAN

20h 45m

1 stop

11:35 am - 4:50 pm

HAN

ONT

20h 15m

1 stop

$979China Airlines

Fri, Oct 30 - Sat, Nov 14

12:45 am - 4:50 pm

ONT

HAN

26h 05m

1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m

1 stop

$981China Airlines

Tue, Sep 8 - Wed, Sep 23

12:45 am - 4:50 pm

ONT

HAN

26h 05m

1 stop

5:50 pm - 6:00 pm

HAN

ONT

38h 10m

1 stop

$987China Airlines

Fri, Aug 21 - Fri, Sep 18

12:45 am - 4:50 pm

ONT

HAN

26h 05m

1 stop

5:50 pm - 6:00 pm

HAN

ONT

38h 10m

1 stop

$997China Airlines

Sun, Sep 13 - Wed, Sep 30

12:45 am - 10:30 am

ONT

HAN

19h 45m

1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m

1 stop

$999China Airlines

Mon, Sep 14 - Wed, Sep 30

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China Airlines flights from Ontario to Hanoi

Our best China Airlines deals on Ontario to Hanoi flight tickets

China Airlines

Oct 1

ONT12:10 amOntario

26h 40m

1 stop

HAN4:50 pmHanoi Noibai

Oct 16

HAN11:30 amHanoi Noibai

20h 30m

1 stop

ONT6:00 pmOntario

$972

China Airlines

Aug 15

ONT12:45 amOntario

26h 05m

1 stop

HAN4:50 pmHanoi Noibai

Aug 25

HAN5:50 pmHanoi Noibai

38h 50m

1 stop

ONT6:40 pmOntario

$974

China Airlines

Oct 19

ONT12:10 amOntario

26h 40m

1 stop

HAN4:50 pmHanoi Noibai

Nov 3

HAN11:35 amHanoi Noibai

20h 15m

1 stop

ONT4:50 pmOntario

$975

United Airlines flights from Ontario to Hanoi

Our best United Airlines deals on Ontario to Hanoi flight tickets

United Airlines

Aug 27

ONT9:01 amOntario

23h 14m

2 stops

HAN10:15 pmHanoi Noibai

Sep 7

HAN11:35 pmHanoi Noibai

28h 26m

2 stops

ONT2:01 pmOntario

$1,051

United Airlines

Jun 21

ONT5:00 amOntario

27h 15m

2 stops

HAN10:15 pmHanoi Noibai

Jul 11

HAN11:35 pmHanoi Noibai

37h 02m

2 stops

ONT10:37 pmOntario

$1,537

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 10/1

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Fri 10/16

11:30 am-6:00 pm

1 stop20h 30m

$972

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 8/15

12:45 am-4:50 pm

1 stop26h 05m

Hanoi Noibai

Tue 8/25

5:50 pm-6:40 pm

1 stop38h 50m

$974

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 10/19

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Tue 11/3

11:35 am-4:50 pm

1 stop20h 15m

$975

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 8/5

12:45 am-10:30 am

1 stop19h 45m

Hanoi Noibai

Thu 8/20

11:30 am-6:40 pm

1 stop21h 10m

$977

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 8/21

12:45 am-4:50 pm

1 stop26h 05m

Hanoi Noibai

Fri 9/18

5:50 pm-6:00 pm

1 stop38h 10m

$978

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 10/30

11:50 pm-10:35 am

1 stop20h 45m

Hanoi Noibai

Sat 11/14

11:35 am-4:50 pm

1 stop20h 15m

$979

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 9/8

12:45 am-4:50 pm

1 stop26h 05m

Hanoi Noibai

Wed 9/23

11:30 am-6:00 pm

1 stop20h 30m

$981

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 8/21

12:45 am-4:50 pm

1 stop26h 05m

Hanoi Noibai

Fri 9/18

5:50 pm-6:00 pm

1 stop38h 10m

$987

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 9/13

12:45 am-4:50 pm

1 stop26h 05m

Hanoi Noibai

Wed 9/30

5:50 pm-6:00 pm

1 stop38h 10m

$997

Quickest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 9/14

12:45 am-10:30 am

1 stop19h 45m

Hanoi Noibai

Wed 9/30

11:30 am-6:00 pm

1 stop20h 30m

$999

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 28% 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 15m
Direct flights	None

The fastest flight from Ontario to Hanoi takes 20h 15m

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 15m.
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 June 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 $740	Free Cancellation	Rating 8.3 829 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.