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

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

What airlines fly to Vietnam?

Singapore Airlines, Asiana Airlines and China Airlines 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 29% 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 April 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.

$387 Cheap Flights from Ontario to Vietnam in 2026

1 adult

0 bags

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Find the cheapest flights from Ontario to Vietnam

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:35 pm

ONT

SGN

39h 35m

2 stops

8:00 am - 10:43 pm

SGN

ONT

29h 43m

2 stops

$786Delta

Tue, Oct 13 - Mon, Nov 23

7:00 am - 11:15 pm

ONT

SGN

26h 15m

2 stops

7:30 am - 10:40 pm

SGN

ONT

29h 10m

2 stops

$821Korean Air

Tue, Sep 1 - Tue, Sep 8

11:10 pm - 11:00 am

ONT

DAD

21h 50m

1 stop

6:45 pm - 5:05 pm

DAD

ONT

36h 20m

1 stop

$1,026STARLUX Airlines

Mon, May 11 - Thu, Jun 4

11:10 pm - 10:10 am

ONT

HAN

21h 00m

1 stop

6:25 pm - 4:50 pm

HAN

ONT

36h 25m

1 stop

$1,031STARLUX Airlines

Wed, Sep 30 - Thu, Oct 29

12:45 am - 10:30 am

ONT

HAN

19h 45m

1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m

1 stop

$1,048China Airlines

Wed, Aug 26 - Thu, Oct 1

12:10 pm - 1:55 pm

ONT

HAN

35h 45m

2 stops

7:30 pm - 7:03 pm

HAN

ONT

37h 33m

2 stops

$1,063Qatar Airways

Tue, Sep 8 - Tue, Sep 15

7:57 pm - 1:55 pm

ONT

HAN

51h 58m

2 stops

7:30 pm - 11:24 pm

HAN

ONT

41h 54m

2 stops

$1,070Qatar Airways

Wed, Sep 16 - Wed, Sep 30

12:45 am - 4:30 pm

ONT

DAD

25h 45m

1 stop

5:30 pm - 6:40 pm

DAD

ONT

39h 10m

1 stop

$1,071China Airlines

Wed, Aug 26 - Sun, Sep 13

2:05 pm - 2:55 pm

ONT

VCS

58h 50m

3 stops

12:20 pm - 11:14 am

VCS

ONT

36h 54m

3 stops

$2,166Multiple Airlines

Wed, Jun 10 - Wed, Jun 17

4:03 pm - 4:10 pm

ONT

VCS

34h 07m

3 stops

10:00 am - 1:09 pm

VCS

ONT

41h 09m

3 stops

$2,237Multiple Airlines

Sun, Jun 7 - Sun, Jun 14

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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 22

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Sep 6

SGN10:50 amHo Chi Minh City

21h 50m

1 stop

ONT6:40 pmOntario

$988

China Airlines

Sep 14

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Oct 18

SGN10:50 amHo Chi Minh City

21h 10m

1 stop

ONT6:00 pmOntario

$998

China Airlines

Sep 15

ONT12:10 amOntario

26h 10m

1 stop

SGN4:20 pmHo Chi Minh City

Oct 8

SGN10:50 amHo Chi Minh City

21h 10m

1 stop

ONT6:00 pmOntario

$1,004

Delta flights from Ontario to Vietnam

Our best Delta deals on Ontario to Vietnam flight tickets

Delta

May 4

ONT1:29 pmOntario

55h 21m

2 stops

HAN10:50 amHanoi Noibai

Jun 1

HAN11:10 pmHanoi Noibai

37h 22m

2 stops

ONT10:32 pmOntario

$767

Delta

Oct 13

ONT7:00 amOntario

39h 35m

2 stops

SGN12:35 pmHo Chi Minh City

Nov 23

SGN8:00 amHo Chi Minh City

29h 43m

2 stops

ONT10:43 pmOntario

$786

Delta

Aug 20

ONT7:00 amOntario

25h 10m

2 stops

SGN10:10 pmHo Chi Minh City

Sep 6

SGN7:30 amHo Chi Minh City

29h 10m

2 stops

ONT10:40 pmOntario

$836

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 10/13

7:00 am-12:35 pm

2 stops39h 35m

Ho Chi Minh City

Mon 11/23

8:00 am-10:43 pm

2 stops29h 43m

$786

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 9/1

7:00 am-11:15 pm

2 stops26h 15m

Ho Chi Minh City

Tue 9/8

7:30 am-10:40 pm

2 stops29h 10m

$821

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Mon 5/11

11:10 pm-11:00 am

1 stop21h 50m

Da Nang

Thu 6/4

6:45 pm-5:05 pm

1 stop36h 20m

$1,026

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 9/30

11:10 pm-10:10 am

1 stop21h 00m

Hanoi Noibai

Thu 10/29

6:25 pm-4:50 pm

1 stop36h 25m

$1,031

Quickest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 8/26

12:45 am-10:30 am

1 stop19h 45m

Hanoi Noibai

Thu 10/1

11:30 am-6:00 pm

1 stop20h 30m

$1,048

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 9/8

12:10 pm-1:55 pm

2 stops35h 45m

Hanoi Noibai

Tue 9/15

7:30 pm-7:03 pm

2 stops37h 33m

$1,063

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 9/16

7:57 pm-1:55 pm

2 stops51h 58m

Hanoi Noibai

Wed 9/30

7:30 pm-11:24 pm

2 stops41h 54m

$1,070

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Wed 8/26

12:45 am-4:30 pm

1 stop25h 45m

Da Nang

Sun 9/13

5:30 pm-6:40 pm

1 stop39h 10m

$1,071

OntarioCon Dao

ONT - VCS

ONTVCS

Ontario

Wed 6/10

2:05 pm-2:55 pm

3 stops58h 50m

Con Dao Coong

Wed 6/17

12:20 pm-11:14 am

3 stops36h 54m

$2,166

OntarioCon Dao

ONT - VCS

ONTVCS

Ontario

Sun 6/7

4:03 pm-4:10 pm

3 stops34h 07m

Con Dao Coong

Sun 6/14

10:00 am-1:09 pm

3 stops41h 09m

$2,237

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 $736. 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 $762.

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 $933 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 $771 on momondo.

Can stopping save me money on Ontario to Vietnam flights?

You could potentially save up to 16% 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 55m
Direct flights	None

The fastest flight from Ontario to Vietnam takes 18h 55m

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 April 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
Asiana Airlines	PriceFrom $640	Free Cancellation	Rating 8.1 522 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $649	Free Cancellation	Rating 8.4 1,213 reviews	Search Korean Air flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.9 8,458 reviews	Search Delta flights
China Airlines	PriceFrom $694	Free Cancellation	Rating 8.3 819 reviews	Search China Airlines flights
STARLUX Airlines	PriceFrom $742	Free Cancellation	Rating 8.9 303 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.