What airlines fly to Vietnam?

Singapore Airlines, China 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 July 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.

$470 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.

9:45 pm - 5:15 pm

ONT

DAD

28h 30m

1 stop

6:25 pm - 3:55 pm

DAD

ONT

36h 30m

1 stop

$904STARLUX Airlines

Fri, Nov 27 - Sun, Dec 6

9:45 pm - 5:15 pm

ONT

DAD

28h 30m

1 stop

6:25 pm - 3:55 pm

DAD

ONT

36h 30m

1 stop

$930STARLUX Airlines

Fri, Nov 20 - Sun, Nov 29

11:55 pm - 5:35 pm

ONT

DAD

27h 40m

1 stop

6:45 pm - 5:40 pm

DAD

ONT

36h 55m

1 stop

$931STARLUX Airlines

Wed, Aug 19 - Sun, Aug 30

6:20 am - 9:35 pm

ONT

HAN

25h 15m

2 stops

11:05 pm - 4:24 pm

HAN

ONT

32h 19m

2 stops

$956Delta

Wed, Oct 14 - Wed, Nov 4

6:20 am - 9:35 pm

ONT

HAN

25h 15m

2 stops

11:05 pm - 5:12 pm

HAN

ONT

33h 07m

2 stops

$962Korean Air

Tue, Oct 20 - Mon, Nov 2

12:45 am - 9:00 am

ONT

DAD

18h 15m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$967China Airlines

Tue, Aug 25 - Wed, Sep 9

12:45 am - 9:00 am

ONT

DAD

18h 15m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$968China Airlines

Tue, Aug 25 - Wed, Sep 9

12:10 am - 4:20 pm

ONT

SGN

26h 10m

1 stop

11:20 am - 6:00 pm

SGN

ONT

20h 40m

1 stop

$984Multiple Airlines

Sun, Sep 20 - Sat, Oct 10

6:00 am - 10:10 pm

ONT

SGN

26h 10m

2 stops

11:50 pm - 4:12 pm

SGN

ONT

31h 22m

2 stops

$987Multiple Airlines

Thu, Oct 1 - Tue, Dec 15

6:20 am - 10:10 pm

ONT

SGN

25h 50m

2 stops

7:30 am - 5:21 pm

SGN

ONT

23h 51m

2 stops

$997Korean Air

Sun, Aug 9 - Sun, Aug 23

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Korean Air flights from Ontario to Vietnam

Our best Korean Air deals on Ontario to Vietnam flight tickets

Korean Air

Nov 23

ONT7:00 amOntario

37h 10m

2 stops

HAN11:10 amHanoi Noibai

Dec 6

HAN12:20 pmHanoi Noibai

43h 57m

2 stops

ONT5:17 pmOntario

$961

Korean Air

Oct 20

ONT6:20 amOntario

25h 15m

2 stops

HAN9:35 pmHanoi Noibai

Nov 2

HAN11:05 pmHanoi Noibai

33h 07m

2 stops

ONT5:12 pmOntario

$962

Korean Air

Aug 9

ONT6:20 amOntario

25h 50m

2 stops

SGN10:10 pmHo Chi Minh City

Aug 23

SGN7:30 amHo Chi Minh City

23h 51m

2 stops

ONT5:21 pmOntario

$997

United Airlines flights from Ontario to Vietnam

Our best United Airlines deals on Ontario to Vietnam flight tickets

United Airlines

Nov 16

ONT6:00 amOntario

24h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Dec 7

SGN11:05 pmHo Chi Minh City

31h 22m

2 stops

ONT3:27 pmOntario

$1,002

United Airlines

Oct 26

ONT6:00 amOntario

25h 50m

2 stops

SGN9:50 pmHo Chi Minh City

Oct 29

SGN7:30 amHo Chi Minh City

26h 36m

2 stops

ONT8:06 pmOntario

$1,003

United Airlines

Nov 17

ONT6:00 amOntario

27h 15m

2 stops

SGN12:15 amHo Chi Minh City

Dec 2

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

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Fri 11/27

9:45 pm-5:15 pm

1 stop28h 30m

Da Nang

Sun 12/6

6:25 pm-3:55 pm

1 stop36h 30m

$904

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Fri 11/20

9:45 pm-5:15 pm

1 stop28h 30m

Da Nang

Sun 11/29

6:25 pm-3:55 pm

1 stop36h 30m

$930

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Wed 8/19

11:55 pm-5:35 pm

1 stop27h 40m

Da Nang

Sun 8/30

6:45 pm-5:40 pm

1 stop36h 55m

$931

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 10/14

6:20 am-9:35 pm

2 stops25h 15m

Hanoi Noibai

Wed 11/4

11:05 pm-4:24 pm

2 stops32h 19m

$956

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 10/20

6:20 am-9:35 pm

2 stops25h 15m

Hanoi Noibai

Mon 11/2

11:05 pm-5:12 pm

2 stops33h 07m

$962

Quickest round-trip

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

$967

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

$968

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 9/20

12:10 am-4:20 pm

1 stop26h 10m

Ho Chi Minh City

Sat 10/10

11:20 am-6:00 pm

1 stop20h 40m

$984

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 10/1

6:00 am-10:10 pm

2 stops26h 10m

Ho Chi Minh City

Tue 12/15

11:50 pm-4:12 pm

2 stops31h 22m

$987

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 8/9

6:20 am-10:10 pm

2 stops25h 50m

Ho Chi Minh City

Sun 8/23

7:30 am-5:21 pm

2 stops23h 51m

$997

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 $776 on momondo.

Can stopping save me money on Ontario to Vietnam flights?

You could potentially save up to 27% 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	18h 15m
Direct flights	None

The fastest flight from Ontario to Vietnam takes 18h 15m

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 July 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 1,220 reviews	Search Korean Air flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
China Airlines	PriceFrom $691	Free Cancellation	Rating 8.3 831 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $735	Free Cancellation	Rating 8.1 550 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $742	Free Cancellation	Rating 8.9 352 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.