What airlines fly to Vietnam?

Singapore Airlines, Cathay Pacific 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 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?

China Airlines, Delta, and Korean Air 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.

$451 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 - 10:40 pm

HAN

ONT

37h 30m

2 stops

$956Delta

Thu, Sep 10 - Wed, Sep 23

10:50 pm - 10:00 am

ONT

SGN

20h 10m

1 stop

11:00 am - 4:50 pm

SGN

ONT

20h 50m

1 stop

$969China Airlines

Fri, Nov 6 - Sun, Nov 22

12:45 am - 4:30 pm

ONT

DAD

25h 45m

1 stop

10:00 am - 6:40 pm

DAD

ONT

22h 40m

1 stop

$969China Airlines

Fri, Aug 14 - Wed, Aug 26

12:45 am - 9:40 am

ONT

SGN

18h 55m

1 stop

5:30 pm - 6:40 pm

SGN

ONT

39h 10m

1 stop

$970China Airlines

Sun, Aug 9 - Mon, Aug 24

10:50 pm - 10:00 am

ONT

SGN

20h 10m

1 stop

11:00 am - 4:50 pm

SGN

ONT

20h 50m

1 stop

$971China Airlines

Wed, Nov 4 - Sat, Dec 19

12:45 am - 4:20 pm

ONT

SGN

25h 35m

1 stop

10:50 am - 6:40 pm

SGN

ONT

21h 50m

1 stop

$972China Airlines

Sat, Aug 8 - Sat, Aug 15

12:45 am - 4:30 pm

ONT

DAD

25h 45m

1 stop

5:30 pm - 6:40 pm

DAD

ONT

39h 10m

1 stop

$972China Airlines

Sun, Aug 9 - Mon, Aug 17

12:10 am - 4:50 pm

ONT

HAN

26h 40m

1 stop

11:30 am - 6:00 pm

HAN

ONT

20h 30m

1 stop

$972China Airlines

Thu, Oct 1 - Fri, Oct 16

6:20 am - 12:35 pm

ONT

SGN

40h 15m

2 stops

7:30 am - 10:40 pm

SGN

ONT

29h 10m

2 stops

$978Delta

Tue, Aug 18 - Fri, Sep 18

11:55 pm - 5:35 pm

ONT

DAD

27h 40m

1 stop

6:45 pm - 5:05 pm

DAD

ONT

36h 20m

1 stop

$1,019STARLUX Airlines

Wed, Aug 12 - Tue, Sep 8

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Korean Air flights from Ontario to Vietnam

Our best Korean Air deals on Ontario to Vietnam flight tickets

Korean Air

Sep 26

ONT6:20 amOntario

26h 55m

2 stops

SGN11:15 pmHo Chi Minh City

Nov 8

SGN11:50 pmHo Chi Minh City

32h 27m

2 stops

ONT5:17 pmOntario

$984

Korean Air

Oct 27

ONT7:00 amOntario

24h 45m

2 stops

HAN9:45 pmHanoi Noibai

Oct 29

HAN11:05 pmHanoi Noibai

32h 12m

2 stops

ONT5:17 pmOntario

$1,012

Korean Air

Aug 1

ONT6:20 amOntario

26h 55m

2 stops

SGN11:15 pmHo Chi Minh City

Aug 15

SGN7:30 amHo Chi Minh City

29h 15m

2 stops

ONT10:45 pmOntario

$1,016

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 25

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

Nov 4

ONT6:00 amOntario

27h 15m

2 stops

SGN12:15 amHo Chi Minh City

Nov 16

SGN11:05 pmHo Chi Minh City

36h 01m

2 stops

ONT8:06 pmOntario

$1,005

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 9/10

6:00 am-9:35 pm

2 stops25h 35m

Hanoi Noibai

Wed 9/23

11:10 pm-10:40 pm

2 stops37h 30m

$956

Quickest round-trip

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Fri 11/6

10:50 pm-10:00 am

1 stop20h 10m

Ho Chi Minh City

Sun 11/22

11:00 am-4:50 pm

1 stop20h 50m

$969

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Fri 8/14

12:45 am-4:30 pm

1 stop25h 45m

Da Nang

Wed 8/26

10:00 am-6:40 pm

1 stop22h 40m

$969

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sun 8/9

12:45 am-9:40 am

1 stop18h 55m

Ho Chi Minh City

Mon 8/24

5:30 pm-6:40 pm

1 stop39h 10m

$970

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Wed 11/4

10:50 pm-10:00 am

1 stop20h 10m

Ho Chi Minh City

Sat 12/19

11:00 am-4:50 pm

1 stop20h 50m

$971

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sat 8/8

12:45 am-4:20 pm

1 stop25h 35m

Ho Chi Minh City

Sat 8/15

10:50 am-6:40 pm

1 stop21h 50m

$972

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sun 8/9

12:45 am-4:30 pm

1 stop25h 45m

Da Nang

Mon 8/17

5:30 pm-6:40 pm

1 stop39h 10m

$972

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 10/1

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Fri 10/16

11:30 am-6:00 pm

1 stop20h 30m

$972

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 8/18

6:20 am-12:35 pm

2 stops40h 15m

Ho Chi Minh City

Fri 9/18

7:30 am-10:40 pm

2 stops29h 10m

$978

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Wed 8/12

11:55 pm-5:35 pm

1 stop27h 40m

Da Nang

Tue 9/8

6:45 pm-5:05 pm

1 stop36h 20m

$1,019

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 $950 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	20h 10m
Direct flights	None

The fastest flight from Ontario to Vietnam takes 20h 10m

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 7.8 8,423 reviews	Search Delta flights
China Airlines	PriceFrom $691	Free Cancellation	Rating 8.3 829 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $735	Free Cancellation	Rating 8.1 545 reviews	Search Asiana Airlines flights
STARLUX Airlines	PriceFrom $742	Free Cancellation	Rating 8.8 343 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.