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

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

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 32% 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.

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.

$378 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.

11:55 pm - 5:35 pm

ONT

DAD

27h 40m

1 stop

6:45 pm - 5:05 pm

DAD

ONT

36h 20m

1 stop

$774STARLUX Airlines

Wed, Aug 26 - Sun, Sep 13

9:45 pm - 5:15 pm

ONT

DAD

28h 30m

1 stop

6:25 pm - 3:55 pm

DAD

ONT

36h 30m

1 stop

$777STARLUX Airlines

Sat, Nov 14 - Thu, Nov 19

12:45 am - 4:30 pm

ONT

DAD

25h 45m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$820China Airlines

Fri, Aug 21 - Wed, Sep 2

12:45 am - 4:30 pm

ONT

DAD

25h 45m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$823China Airlines

Sun, Aug 23 - Wed, Sep 9

6:20 am - 10:10 pm

ONT

SGN

25h 50m

2 stops

7:30 am - 5:21 pm

SGN

ONT

23h 51m

2 stops

$853Korean Air

Fri, Aug 21 - Fri, Sep 4

6:20 am - 11:20 pm

ONT

SGN

26h 00m

2 stops

8:00 am - 4:30 pm

SGN

ONT

23h 30m

2 stops

$853Delta

Wed, Nov 4 - Thu, Dec 3

6:20 am - 10:10 pm

ONT

SGN

25h 50m

2 stops

7:30 am - 5:12 pm

SGN

ONT

23h 42m

2 stops

$853Delta

Sun, Oct 11 - Sat, Oct 17

6:20 am - 10:10 pm

ONT

SGN

25h 50m

2 stops

1:55 pm - 5:17 pm

SGN

ONT

41h 22m

2 stops

$858Korean Air

Thu, Oct 22 - Tue, Mar 30

2:13 pm - 4:55 pm

ONT

SGN

36h 42m

2 stops

11:40 am - 3:55 pm

SGN

ONT

19h 15m

1 stop

$892Multiple Airlines

Tue, Oct 20 - Fri, Nov 20

12:10 am - 9:40 am

ONT

SGN

19h 30m

1 stop

11:20 am - 6:00 pm

SGN

ONT

20h 40m

1 stop

$898Multiple Airlines

Tue, Sep 15 - Wed, Sep 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

China Airlines flights from Ontario to Vietnam

Our best China Airlines deals on Ontario to Vietnam flight tickets

China Airlines

Aug 21

ONT12:45 amOntario

25h 45m

1 stop

DAD4:30 pmDa Nang

Sep 2

DAD10:00 amDa Nang

22h 40m

1 stop

ONT6:40 pmOntario

$820

China Airlines

Aug 23

ONT12:45 amOntario

25h 45m

1 stop

DAD4:30 pmDa Nang

Sep 9

DAD10:00 amDa Nang

22h 40m

1 stop

ONT6:40 pmOntario

$823

China Airlines

Aug 29

ONT12:45 amOntario

26h 05m

1 stop

HAN4:50 pmHanoi Noibai

Sep 15

HAN11:30 amHanoi Noibai

21h 10m

1 stop

ONT6:40 pmOntario

$826

Delta flights from Ontario to Vietnam

Our best Delta deals on Ontario to Vietnam flight tickets

Delta

Oct 6

ONT6:20 amOntario

26h 55m

2 stops

SGN11:15 pmHo Chi Minh City

Nov 13

SGN8:00 amHo Chi Minh City

23h 30m

2 stops

ONT4:30 pmOntario

$853

Delta

Sep 1

ONT6:20 amOntario

40h 15m

2 stops

SGN12:35 pmHo Chi Minh City

Sep 7

SGN11:45 pmHo Chi Minh City

36h 55m

2 stops

ONT10:40 pmOntario

$903

Delta

Aug 12

ONT11:56 amOntario

45h 19m

2 stops

SGN11:15 pmHo Chi Minh City

Sep 9

SGN11:45 pmHo Chi Minh City

36h 55m

2 stops

ONT10:40 pmOntario

$908

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Wed 8/26

11:55 pm-5:35 pm

1 stop27h 40m

Da Nang

Sun 9/13

6:45 pm-5:05 pm

1 stop36h 20m

$774

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sat 11/14

9:45 pm-5:15 pm

1 stop28h 30m

Da Nang

Thu 11/19

6:25 pm-3:55 pm

1 stop36h 30m

$777

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Fri 8/21

12:45 am-4:30 pm

1 stop25h 45m

Da Nang

Wed 9/2

10:00 am-6:40 pm

1 stop22h 40m

$820

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sun 8/23

12:45 am-4:30 pm

1 stop25h 45m

Da Nang

Wed 9/9

10:00 am-6:40 pm

1 stop22h 40m

$823

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Fri 8/21

6:20 am-10:10 pm

2 stops25h 50m

Ho Chi Minh City

Fri 9/4

7:30 am-5:21 pm

2 stops23h 51m

$853

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Wed 11/4

6:20 am-11:20 pm

2 stops26h 00m

Ho Chi Minh City

Thu 12/3

8:00 am-4:30 pm

2 stops23h 30m

$853

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 10/11

6:20 am-10:10 pm

2 stops25h 50m

Ho Chi Minh City

Sat 10/17

7:30 am-5:12 pm

2 stops23h 42m

$853

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Thu 10/22

6:20 am-10:10 pm

2 stops25h 50m

Ho Chi Minh City

Tue 3/30

1:55 pm-5:17 pm

2 stops41h 22m

$858

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 10/20

2:13 pm-4:55 pm

2 stops36h 42m

Ho Chi Minh City

Fri 11/20

11:40 am-3:55 pm

1 stop19h 15m

$892

Quickest round-trip

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 9/15

12:10 am-9:40 am

1 stop19h 30m

Ho Chi Minh City

Wed 9/23

11:20 am-6:00 pm

1 stop20h 40m

$898

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 March is, on average, the cheapest month to fly to Vietnam from Ontario, with most prices found around $737. If you don’t want to visit Vietnam in March, then you should wait until November to fly from Ontario, when ticket prices are also cheap, with an average price of $758.

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 $958 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 $761 on momondo.

Can stopping save me money on Ontario to Vietnam flights?

You could potentially save up to 17% 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 50m
Direct flights	None

The fastest flight from Ontario to Vietnam takes 18h 50m

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 1,223 reviews	Search Korean Air flights
Delta	PriceFrom $656	Free Cancellation	Rating 7.8 8,489 reviews	Search Delta flights
China Airlines	PriceFrom $690	Free Cancellation	Rating 8.3 838 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $735	Free Cancellation	Rating 8.1 555 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $741	Free Cancellation	Rating 8.8 362 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.