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.

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

Korean Air, Delta, and STARLUX 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 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.

$386 Cheap Flights from Ontario to Vietnam in 2026

1 adult

0 bags

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.

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 11:44 pm

HAN

ONT

38h 34m

2 stops

$761Delta

Thu, Sep 10 - Wed, Sep 23

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:17 pm

HAN

ONT

32h 07m

2 stops

$766Korean Air

Thu, Sep 24 - Mon, Oct 19

2:00 pm - 9:35 pm

ONT

HAN

41h 35m

2 stops

11:05 pm - 10:43 pm

HAN

ONT

38h 38m

2 stops

$767Delta

Wed, Sep 23 - Sun, Nov 1

3:09 pm - 8:30 am

ONT

SGN

27h 21m

2 stops

10:50 am - 6:00 pm

SGN

ONT

21h 10m

1 stop

$776Multiple Airlines

Sun, Sep 13 - Fri, Sep 18

6:00 am - 11:15 pm

ONT

SGN

27h 15m

2 stops

8:00 am - 5:17 pm

SGN

ONT

24h 17m

2 stops

$786Delta

Tue, Oct 13 - Mon, Nov 23

7:00 am - 11:15 pm

ONT

SGN

26h 15m

2 stops

7:30 am - 5:16 pm

SGN

ONT

23h 46m

2 stops

$791Korean Air

Mon, Sep 7 - Tue, Sep 22

1:29 pm - 11:15 pm

ONT

SGN

43h 46m

2 stops

7:30 am - 11:34 pm

SGN

ONT

30h 04m

2 stops

$792Delta

Sun, May 3 - Thu, May 21

6:00 am - 9:35 pm

ONT

HAN

25h 35m

2 stops

11:10 pm - 10:40 pm

HAN

ONT

37h 30m

2 stops

$811Delta

Fri, Sep 11 - Sun, Sep 20

7:00 am - 9:35 pm

ONT

HAN

24h 35m

2 stops

11:10 pm - 5:16 pm

HAN

ONT

32h 06m

2 stops

$816Korean Air

Fri, Sep 11 - Sun, Sep 13

5:55 pm - 9:35 pm

ONT

HAN

37h 40m

2 stops

11:05 pm - 10:43 pm

HAN

ONT

37h 38m

2 stops

$817Delta

Sat, Sep 26 - Wed, Oct 28

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China Airlines flights from Ontario to Vietnam

Our best China Airlines deals on Ontario to Vietnam flight tickets

China Airlines

Sep 11

ONT12:45 amOntario

18h 55m

1 stop

SGN9:40 amHo Chi Minh City

Sep 28

SGN5:30 pmHo Chi Minh City

38h 30m

1 stop

ONT6:00 pmOntario

$983

China Airlines

Apr 20

ONT12:10 amOntario

19h 30m

1 stop

SGN9:40 amHo Chi Minh City

May 13

SGN10:50 amHo Chi Minh City

21h 10m

1 stop

ONT6:00 pmOntario

$1,004

China Airlines

Apr 26

ONT12:10 amOntario

19h 30m

1 stop

SGN9:40 amHo Chi Minh City

May 12

SGN10:50 amHo Chi Minh City

21h 10m

1 stop

ONT6:00 pmOntario

$1,011

Delta flights from Ontario to Vietnam

Our best Delta deals on Ontario to Vietnam flight tickets

Delta

Sep 10

ONT7:00 amOntario

24h 35m

2 stops

HAN9:35 pmHanoi Noibai

Sep 23

HAN11:10 pmHanoi Noibai

38h 34m

2 stops

ONT11:44 pmOntario

$761

Delta

Sep 23

ONT2:00 pmOntario

41h 35m

2 stops

HAN9:35 pmHanoi Noibai

Nov 1

HAN11:05 pmHanoi Noibai

38h 38m

2 stops

ONT10:43 pmOntario

$767

Delta

Oct 13

ONT6:00 amOntario

27h 15m

2 stops

SGN11:15 pmHo Chi Minh City

Nov 23

SGN8:00 amHo Chi Minh City

24h 17m

2 stops

ONT5:17 pmOntario

$786

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 9/10

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Wed 9/23

11:10 pm-11:44 pm

2 stops38h 34m

$761

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 9/24

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Mon 10/19

11:10 pm-5:17 pm

2 stops32h 07m

$766

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 9/23

2:00 pm-9:35 pm

2 stops41h 35m

Hanoi Noibai

Sun 11/1

11:05 pm-10:43 pm

2 stops38h 38m

$767

Quickest round-trip

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 9/13

3:09 pm-8:30 am

2 stops27h 21m

Ho Chi Minh City

Fri 9/18

10:50 am-6:00 pm

1 stop21h 10m

$776

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 10/13

6:00 am-11:15 pm

2 stops27h 15m

Ho Chi Minh City

Mon 11/23

8:00 am-5:17 pm

2 stops24h 17m

$786

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 9/7

7:00 am-11:15 pm

2 stops26h 15m

Ho Chi Minh City

Tue 9/22

7:30 am-5:16 pm

2 stops23h 46m

$791

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 5/3

1:29 pm-11:15 pm

2 stops43h 46m

Ho Chi Minh City

Thu 5/21

7:30 am-11:34 pm

2 stops30h 04m

$792

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 9/11

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Sun 9/20

11:10 pm-10:40 pm

2 stops37h 30m

$811

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 9/11

7:00 am-9:35 pm

2 stops24h 35m

Hanoi Noibai

Sun 9/13

11:10 pm-5:16 pm

2 stops32h 06m

$816

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 9/26

5:55 pm-9:35 pm

2 stops37h 40m

Hanoi Noibai

Wed 10/28

11:05 pm-10:43 pm

2 stops37h 38m

$817

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 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 $931 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 $764 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 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 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
Korean Air	PriceFrom $649	Free Cancellation	Rating 8.4 1,210 reviews	Search Korean Air flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.9 8,424 reviews	Search Delta flights
China Airlines	PriceFrom $695	Free Cancellation	Rating 8.3 817 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $735	Free Cancellation	Rating 8.0 518 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $742	Free Cancellation	Rating 8.9 299 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.