What airlines fly to Vietnam?

Singapore Airlines, Asiana Airlines and Cathay Pacific are the top three most popular airlines that fly to Vietnam from Ontario according to our data. Singapore Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Vietnam. Keep in mind that there are 21 different airlines that fly to Vietnam on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Vietnam?

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

When did momondo last update prices for flights from Ontario Airport to Vietnam?

Prices for flights from Ontario Airport to Vietnam are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Vietnam?

As of June 2026, there are 5 operators available to choose from for flights from Ontario Airport to Vietnam.

How old do you have to be to fly from Ontario Airport to Vietnam?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Vietnam.

What documentation or ID do you need to fly to Vietnam?

The required travel and health documents for your Vietnam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Vietnam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$471 Cheap Flights from Ontario to Vietnam in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Vietnam

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:35 pm

ONT

HAN

25h 35m

2 stops

11:10 pm - 10:43 pm

HAN

ONT

37h 33m

2 stops

$956Delta

Mon, Sep 21 - Wed, Oct 7

6:20 am - 9:35 pm

ONT

HAN

25h 15m

2 stops

11:10 pm - 5:17 pm

HAN

ONT

32h 07m

2 stops

$962Korean Air

Thu, Sep 24 - Tue, Oct 6

6:20 am - 10:35 am

ONT

HAN

38h 15m

2 stops

12:05 pm - 5:20 pm

HAN

ONT

43h 15m

2 stops

$967Korean Air

Wed, Sep 2 - Mon, Sep 28

12:45 am - 9:40 am

ONT

SGN

18h 55m

1 stop

11:00 am - 4:50 pm

SGN

ONT

20h 50m

1 stop

$969China Airlines

Mon, Aug 3 - Mon, Dec 21

12:45 am - 9:00 am

ONT

DAD

18h 15m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$969China Airlines

Tue, Aug 25 - Wed, Sep 9

12:45 am - 9:40 am

ONT

SGN

18h 55m

1 stop

10:50 am - 6:40 pm

SGN

ONT

21h 50m

1 stop

$970China Airlines

Mon, Aug 3 - Thu, Aug 13

12:45 am - 9:40 am

ONT

SGN

18h 55m

1 stop

10:50 am - 6:40 pm

SGN

ONT

21h 50m

1 stop

$971China Airlines

Sat, Aug 29 - Sat, Sep 12

12:45 am - 9:40 am

ONT

SGN

18h 55m

1 stop

10:50 am - 6:40 pm

SGN

ONT

21h 50m

1 stop

$972China Airlines

Sat, Aug 8 - Sun, Aug 30

12:45 am - 9:00 am

ONT

DAD

18h 15m

1 stop

10:00 am - 6:00 pm

DAD

ONT

22h 00m

1 stop

$972China Airlines

Thu, Sep 10 - Sat, Sep 26

10:50 pm - 4:50 pm

ONT

SGN

27h 00m

1 stop

11:00 am - 4:50 pm

SGN

ONT

20h 50m

1 stop

$973China Airlines

Wed, Nov 4 - Thu, Nov 19

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China Airlines flights from Ontario to Vietnam

Our best China Airlines deals on Ontario to Vietnam flight tickets

China Airlines

Aug 3

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Dec 21

SGN11:00 amHo Chi Minh City

20h 50m

1 stop

ONT4:50 pmOntario

$969

China Airlines

Aug 3

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Aug 13

SGN10:50 amHo Chi Minh City

21h 50m

1 stop

ONT6:40 pmOntario

$970

China Airlines

Aug 29

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Sep 12

SGN10:50 amHo Chi Minh City

21h 50m

1 stop

ONT6:40 pmOntario

$971

United Airlines flights from Ontario to Vietnam

Our best United Airlines deals on Ontario to Vietnam flight tickets

United Airlines

Oct 21

ONT1:52 pmOntario

42h 03m

2 stops

SGN9:55 pmHo Chi Minh City

Nov 9

SGN11:05 pmHo Chi Minh City

39h 01m

2 stops

ONT11:06 pmOntario

$1,002

United Airlines

Oct 13

ONT4:07 pmOntario

39h 48m

2 stops

SGN9:55 pmHo Chi Minh City

Nov 23

SGN7:30 amHo Chi Minh City

25h 17m

2 stops

ONT5:47 pmOntario

$1,004

United Airlines

Oct 19

ONT6:00 amOntario

28h 15m

2 stops

SGN12:15 amHo Chi Minh City

Nov 11

SGN11:05 pmHo Chi Minh City

39h 01m

2 stops

ONT11:06 pmOntario

$1,005

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 9/21

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Wed 10/7

11:10 pm-10:43 pm

2 stops37h 33m

$956

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 9/24

6:20 am-9:35 pm

2 stops25h 15m

Hanoi Noibai

Tue 10/6

11:10 pm-5:17 pm

2 stops32h 07m

$962

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 9/2

6:20 am-10:35 am

2 stops38h 15m

Hanoi Noibai

Mon 9/28

12:05 pm-5:20 pm

2 stops43h 15m

$967

Quickest round-trip

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 8/3

12:45 am-9:40 am

1 stop18h 55m

Ho Chi Minh City

Mon 12/21

11:00 am-4:50 pm

1 stop20h 50m

$969

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Tue 8/25

12:45 am-9:00 am

1 stop18h 15m

Da Nang

Wed 9/9

10:00 am-6:40 pm

1 stop22h 40m

$969

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 8/3

12:45 am-9:40 am

1 stop18h 55m

Ho Chi Minh City

Thu 8/13

10:50 am-6:40 pm

1 stop21h 50m

$970

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sat 8/29

12:45 am-9:40 am

1 stop18h 55m

Ho Chi Minh City

Sat 9/12

10:50 am-6:40 pm

1 stop21h 50m

$971

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sat 8/8

12:45 am-9:40 am

1 stop18h 55m

Ho Chi Minh City

Sun 8/30

10:50 am-6:40 pm

1 stop21h 50m

$972

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Thu 9/10

12:45 am-9:00 am

1 stop18h 15m

Da Nang

Sat 9/26

10:00 am-6:00 pm

1 stop22h 00m

$972

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Wed 11/4

10:50 pm-4:50 pm

1 stop27h 00m

Ho Chi Minh City

Thu 11/19

11:00 am-4:50 pm

1 stop20h 50m

$973

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 Vietnam

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 Vietnam?

The month of April is, on average, the cheapest month to fly to Vietnam from Ontario, with most prices found around $360. If you don’t want to visit Vietnam in April, then you should wait until October to fly from Ontario, when ticket prices are also cheap, with an average price of $458.

How far in advance should I book a flight from Ontario to Vietnam?

You are more likely to see cheaper flights to Vietnam from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around $957 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from Ontario for as low as $773 on momondo.

Can stopping save me money on Ontario to Vietnam flights?

You could potentially save up to 30% on your flight if you consider stops on a Ontario to Vietnam flight.

Cheap Ontario to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Vietnam

Fastest flight time	19h 20m
Direct flights	None

The fastest flight from Ontario to Vietnam takes 19h 20m

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

Search flight deals

Frequently asked questions about flying from Ontario to Vietnam

When did momondo last update prices for flights from Ontario Airport to Vietnam?
Prices for flights from Ontario Airport to Vietnam are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Vietnam?
As of June 2026, there are 5 operators available to choose from for flights from Ontario Airport to Vietnam.
How old do you have to be to fly from Ontario Airport to Vietnam?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Vietnam.
What documentation or ID do you need to fly to Vietnam?
The required travel and health documents for your Vietnam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Vietnam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ontario to Vietnam

Compare and see reviews for airlines that fly from Ontario to Vietnam with momondo

Airline	Rating	Free Cancellation	Price
Korean Air	PriceFrom $611	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
China Airlines	PriceFrom $691	Free Cancellation	Rating 8.3 828 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $735	Free Cancellation	Rating 8.1 541 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $742	Free Cancellation	Rating 8.9 337 reviews	Search STARLUX Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Vietnam?

Finding the right flight to Vietnam 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 Vietnam quick and easy, saving you time and money.

Can I find flights from Ontario to Vietnam with flexible booking policies on momondo?

momondo does allow users to show only those flights to Vietnam from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Vietnam?

Once all potential Ontario to Vietnam flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Vietnam right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Vietnam, momondo offers a useful price alert feature which will track prices for flights to Vietnam from Ontario and alert you when they change.