How long is the flight from Region of Ontario to Vietnam?

United Airlines, Air Canada, and Delta can get you from Region of Ontario to Vietnam in just under 26h 30m. Your travel time can differ by up to 12h 45m. Region of Ontario and Vietnam are separated by a distance of 13919 km. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from Region of Ontario to Vietnam one-way?

The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as C$ 493. However, be on the lookout for offers from China Eastern and American Airlines, as they are both options that can get you from Region of Ontario to Vietnam for a low price.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 340.0 mm per month. September is typically the wettest month, when rainfall can reach 340.0 mm. February is typically the driest time to visit Vietnam when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Can I find deals for flights from Ontario to Vietnam that include hotel bookings?

Yes. In addition to deals on Ontario to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Vietnam?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Vietnam.

Can I find deals for business class flights from Ontario to Vietnam?

Yes. Cheapflights offers flight deals from Ontario to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 613+ Flights from Ontario to Vietnam

Cheap flight deals from Ontario to Vietnam

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Vietnam
Explore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Sat 27/126:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Sat 3/111:05 p.m.SGN - YYZ

2 stops34h 16mUnited Airlines

Deal found 22/12C$ 1,251

Wed 31/126:10 a.m.YYZ - SGN

2 stops30h 05mUnited Airlines

Mon 2/26:00 a.m.SGN - YYZ

3 stops39h 58mUnited Airlines

Deal found 22/12C$ 1,385

Wed 31/121:55 p.m.YYZ - SGN

1 stop32h 40mCathay Pacific

Mon 2/27:15 a.m.SGN - YYZ

1 stop25h 45mCathay Pacific

Deal found 22/12C$ 1,495

Tue 30/125:55 p.m.YYZ - SGN

2 stops41h 00mUnited Airlines

Tue 20/16:00 a.m.SGN - YYZ

2 stops30h 05mUnited Airlines

Deal found 21/12C$ 1,528

Mon 29/129:15 a.m.YUL - SGN

3 stops49h 40mUnited Airlines

Sun 1/26:00 a.m.SGN - YUL

3 stops40h 20mUnited Airlines

Deal found 22/12C$ 1,534

Tue 23/125:40 p.m.YUL - SGN

3 stops41h 15mUnited Airlines

Tue 30/1211:05 p.m.SGN - YUL

2 stops34h 37mUnited Airlines

Deal found 22/12C$ 1,582

Mon 29/1212:25 p.m.YYZ - SGN

2 stops46h 25mAir Canada

Mon 19/13:40 p.m.SGN - YYZ

2 stops39h 55mAir Canada

Deal found 22/12C$ 1,586

Wed 31/121:55 p.m.YYZ - SGN

1 stop40h 40mMultiple Airlines

Mon 2/27:55 a.m.SGN - YYZ

2 stops34h 45mMultiple Airlines

Deal found 22/12C$ 1,619

Mon 29/126:30 a.m.YYZ - SGN

2 stops28h 25mUnited Airlines

Tue 20/16:00 a.m.SGN - YYZ

2 stops36h 40mUnited Airlines

Deal found 21/12C$ 1,627

Tue 30/126:15 a.m.YYZ - SGN

2 stops28h 35mAir Canada

Mon 19/13:40 p.m.SGN - YYZ

2 stops36h 29mAir Canada

Deal found 22/12C$ 1,636

Tue 30/126:45 p.m.YYZ - HAN

2 stops26h 50mAir Canada

Sat 17/19:40 a.m.HAN - YYZ

2 stops51h 37mAir Canada

Deal found 21/12C$ 1,735

Wed 31/126:25 p.m.YUL - HAN

2 stops27h 10mAir Canada

Wed 21/19:40 a.m.HAN - YUL

2 stops43h 20mAir Canada

Deal found 22/12C$ 1,736

Best flights from Ontario to Vietnam
Discover carefully curated flight deals from Ontario to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 23 December 2025.

Sun 8/27:40 p.m.YYZ - SGN

3 stops39h 15mUnited Airlines

Sun 15/211:05 p.m.SGN - YYZ

2 stops34h 19mUnited Airlines

Deal found 21/12C$ 1,229

Mon 4/510:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Mon 18/57:00 a.m.SGN - YTZ

2 stops25h 32mAir Canada

Deal found 21/12C$ 1,373

Mon 19/110:00 a.m.YYZ - HAN

3 stops34h 40mMultiple Airlines

Mon 26/13:45 p.m.HAN - YYZ

2 stops26h 34mMultiple Airlines

Deal found 22/12C$ 1,385

Tue 24/37:00 a.m.YUL - HAN

2 stops27h 45mDelta

Mon 6/411:10 p.m.HAN - YUL

2 stops47h 49mDelta

Deal found 21/12C$ 1,430

Tue 5/58:55 p.m.YUL - HAN

1 stop24h 10mQatar Airways

Mon 25/57:30 p.m.HAN - YUL

1 stop30h 15mQatar Airways

Deal found 22/12C$ 1,457

Sat 28/312:40 p.m.YYZ - DAD

1 stop21h 25mKorean Air

Tue 7/410:55 p.m.DAD - YYZ

2 stops35h 03mKorean Air

Deal found 22/12C$ 1,463

Sun 22/21:55 p.m.YYZ - DAD

1 stop33h 45mCathay Pacific

Sat 28/310:05 a.m.DAD - YYZ

1 stop22h 55mCathay Pacific

Deal found 22/12C$ 1,649

Fri 16/13:25 p.m.YYZ - HAN

1 stop34h 45mChina Eastern

Fri 30/12:45 a.m.HAN - YYZ

1 stop22h 40mChina Eastern

Deal found 22/12C$ 1,666

Tue 21/46:45 a.m.YTZ - SGN

2 stops26h 15mEmirates

Tue 28/45:10 p.m.SGN - YTZ

2 stops29h 42mEmirates

Deal found 22/12C$ 1,718

Thu 15/16:00 a.m.YOW - SGN

2 stops27h 50mUnited Airlines

Mon 13/47:00 a.m.SGN - YOW

3 stops41h 59mUnited Airlines

Deal found 21/12C$ 1,243

Tue 13/12:15 p.m.YOW - SGN

3 stops44h 40mUnited Airlines

Mon 13/47:00 a.m.SGN - YOW

3 stops45h 07mUnited Airlines

Deal found 21/12C$ 1,243

Mon 4/510:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Tue 19/57:00 a.m.SGN - YTZ

2 stops25h 32mAir Canada

Deal found 21/12C$ 1,374

Mon 27/48:30 a.m.YUL - DAD

2 stops26h 05mMultiple Airlines

Mon 18/511:05 p.m.DAD - YUL

2 stops32h 43mMultiple Airlines

Deal found 21/12C$ 1,392

Wed 4/312:30 p.m.YUL - HAN

2 stops45h 15mDelta

Tue 31/311:10 p.m.HAN - YUL

2 stops35h 49mDelta

Deal found 22/12C$ 1,430

Sun 29/312:30 p.m.YYZ - DAD

1 stop21h 35mKorean Air

Tue 7/410:55 p.m.DAD - YYZ

2 stops29h 29mKorean Air

Deal found 22/12C$ 1,463

Wed 14/16:20 a.m.YOW - SGN

3 stops52h 35mUnited Airlines

Thu 9/47:00 a.m.SGN - YOW

3 stops41h 59mUnited Airlines

Deal found 21/12C$ 1,243

Mon 4/59:30 a.m.YTZ - SGN

2 stops27h 45mAir Canada

Wed 20/57:00 a.m.SGN - YTZ

2 stops25h 32mAir Canada

Deal found 21/12C$ 1,374

Tue 20/17:30 a.m.YUL - DAD

2 stops29h 00mMultiple Airlines

Wed 29/411:05 p.m.DAD - YUL

2 stops55h 22mMultiple Airlines

Deal found 21/12C$ 1,463

Tue 5/56:00 a.m.YUL - HAN

2 stops41h 40mDelta

Fri 29/511:10 p.m.HAN - YUL

2 stops35h 00mDelta

Deal found 22/12C$ 1,465

Wed 1/49:35 p.m.YUL - HAN

2 stops57h 30mQatar Airways

Mon 27/49:35 a.m.HAN - YUL

1 stop40h 10mQatar Airways

Deal found 21/12C$ 1,651

Thu 7/510:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Tue 19/57:00 a.m.SGN - YTZ

2 stops25h 32mAir Canada

Deal found 21/12C$ 1,374

Fri 1/58:30 a.m.YYZ - SGN

2 stops26h 20mUnited Airlines

Fri 15/511:15 p.m.SGN - YYZ

2 stops35h 30mUnited Airlines

Deal found 21/12C$ 1,251

Mon 30/36:10 p.m.YYZ - DAD

2 stops39h 55mKorean Air

Tue 7/410:55 p.m.DAD - YYZ

2 stops29h 29mKorean Air

Deal found 22/12C$ 1,585

Fri 3/47:00 a.m.YUL - HAN

2 stops40h 40mDelta

Mon 27/411:10 p.m.HAN - YUL

2 stops35h 46mDelta

Deal found 21/12C$ 1,465

Sun 3/56:45 a.m.YTZ - SGN

2 stops44h 35mEmirates

Tue 19/55:10 p.m.SGN - YTZ

2 stops29h 42mEmirates

Deal found 21/12C$ 1,786

Mon 12/112:40 p.m.YYZ - HAN

2 stops33h 25mMultiple Airlines

Thu 29/18:35 a.m.HAN - YYZ

1 stop20h 30mMultiple Airlines

Deal found 22/12C$ 1,494

Sat 2/52:50 p.m.YYZ - SGN

3 stops44h 00mUnited Airlines

Sat 16/511:15 p.m.SGN - YYZ

2 stops25h 19mUnited Airlines

Deal found 21/12C$ 1,251

Mon 4/510:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Sun 31/57:00 a.m.SGN - YTZ

2 stops25h 32mAir Canada

Deal found 21/12C$ 1,422

Sat 28/211:40 a.m.YYZ - DAD

1 stop21h 50mKorean Air

Mon 13/43:40 p.m.DAD - YYZ

2 stops42h 28mKorean Air

Deal found 22/12C$ 1,593

Sat 4/412:50 p.m.YUL - HAN

2 stops58h 50mDelta

Tue 28/411:10 p.m.HAN - YUL

2 stops47h 31mDelta

Deal found 21/12C$ 1,465

Last-minute flights from Ontario to Vietnam
Discover last-minute flight deals from Ontario to Vietnam. Data last updated 23 December 2025 and is based on user searches.

Sat 27/126:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Sat 3/111:05 p.m.SGN - YYZ

2 stops34h 16mUnited Airlines

Deal found 22/12C$ 1,251

Mon 12/13:40 p.m.YYZ - SGN

3 stops31h 45mMultiple Airlines

Mon 26/17:55 a.m.SGN - YYZ

2 stops34h 24mMultiple Airlines

Deal found 21/12C$ 1,235

Mon 12/17:27 p.m.YOW - SGN

3 stops39h 28mUnited Airlines

Tue 7/47:00 a.m.SGN - YOW

3 stops49h 35mUnited Airlines

Deal found 21/12C$ 1,243

Tue 13/13:45 p.m.YYZ - SGN

3 stops43h 10mUnited Airlines

Tue 20/111:05 p.m.SGN - YYZ

2 stops31h 52mUnited Airlines

Deal found 21/12C$ 1,229

Wed 14/19:00 p.m.YYZ - SGN

3 stops37h 55mUnited Airlines

Sat 24/16:00 a.m.SGN - YYZ

3 stops29h 46mUnited Airlines

Deal found 22/12C$ 1,256

Fri 16/15:11 p.m.YOW - SGN

3 stops65h 44mUnited Airlines

Mon 13/47:00 a.m.SGN - YOW

3 stops41h 59mUnited Airlines

Deal found 21/12C$ 1,254

Sat 17/16:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Sun 8/26:00 a.m.SGN - YYZ

2 stops36h 40mUnited Airlines

Deal found 22/12C$ 1,267

Tue 20/14:55 p.m.YYZ - SGN

1 stop42h 00mANA

Tue 27/111:05 p.m.SGN - YYZ

2 stops28h 57mANA

Deal found 21/12C$ 1,234

Thu 22/14:55 p.m.YYZ - SGN

2 stops42h 00mUnited Airlines

Sat 7/26:00 a.m.SGN - YYZ

2 stops22h 52mUnited Airlines

Deal found 20/12C$ 1,240

Fri 23/111:40 a.m.YYZ - SGN

1 stop23h 40mKorean Air

Sun 8/211:50 p.m.SGN - YYZ

1 stop21h 15mKorean Air

Deal found 22/12C$ 1,246

Fri 23/112:45 p.m.YYZ - SGN

2 stops46h 10mUnited Airlines

Sun 8/26:00 a.m.SGN - YYZ

2 stops45h 20mUnited Airlines

Deal found 22/12C$ 1,271

Tue 27/14:55 p.m.YYZ - SGN

2 stops42h 00mUnited Airlines

Sat 7/26:00 a.m.SGN - YYZ

2 stops22h 52mUnited Airlines

Deal found 22/12C$ 1,228

One-way flights from Ontario to Vietnam
Search for one-way flight options from Ontario to Vietnam. Find affordable one-way fares based on user searches. Data last updated 23 December 2025.

Tue 17/34:00 p.m.YUL - HAN

3 stops52h 35mMultiple Airlines

Deal found 22/12C$ 613

Sun 18/16:30 a.m.YYZ - SGN

2 stops40h 05mMultiple Airlines

Deal found 21/12C$ 672

Wed 4/29:00 a.m.YUL - DAD

3 stops44h 45mMultiple Airlines

Deal found 21/12C$ 677

Mon 16/21:30 p.m.YYZ - SGN

3 stops33h 05mMultiple Airlines

Deal found 22/12C$ 677

Tue 13/11:30 p.m.YYZ - SGN

3 stops57h 05mMultiple Airlines

Deal found 22/12C$ 679

Tue 20/110:45 p.m.YYZ - SGN

3 stops55h 50mMultiple Airlines

Deal found 21/12C$ 680

Sun 1/36:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Deal found 21/12C$ 681

Mon 16/34:55 p.m.YYZ - SGN

2 stops43h 00mUnited Airlines

Deal found 20/12C$ 683

Wed 21/16:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Deal found 22/12C$ 684

Wed 4/210:00 a.m.YYZ - SGN

3 stops48h 25mMultiple Airlines

Deal found 22/12C$ 686

Sat 28/35:11 p.m.YOW - SGN

3 stops65h 39mUnited Airlines

Deal found 21/12C$ 687

Tue 24/29:25 a.m.YUL - SGN

2 stops48h 25mUnited Airlines

Deal found 20/12C$ 687

Find flight deals from Ontario to Vietnam

Round-trip from	C$ 1,228
One-way from	C$ 613
Popular in	December
Cheapest in	September
Average price	C$ 1,896

United Airlines
27/1-7/2
4 total stops
64h 52m total
Ontario to Vietnam

Search Deals

17/3
3 total stops
52h 35m total
Ontario to Vietnam

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 64 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sun 8/2

7:40 p.m.-10:55 p.m.

3 stops39h 15m

Ho Chi Minh City

Sun 15/2

11:05 p.m.-9:24 p.m.

2 stops34h 19m

C$ 1,229

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Thu 15/1

6:00 a.m.-9:50 p.m.

2 stops27h 50m

Ho Chi Minh City

Mon 13/4

7:00 a.m.-1:59 p.m.

3 stops41h 59m

C$ 1,243

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Tue 13/1

2:15 p.m.-10:55 p.m.

3 stops44h 40m

Ho Chi Minh City

Mon 13/4

7:00 a.m.-5:07 p.m.

3 stops45h 07m

C$ 1,243

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 14/1

6:20 a.m.-10:55 p.m.

3 stops52h 35m

Ho Chi Minh City

Thu 9/4

7:00 a.m.-1:59 p.m.

3 stops41h 59m

C$ 1,243

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Fri 1/5

8:30 a.m.-9:50 p.m.

2 stops26h 20m

Ho Chi Minh City

Fri 15/5

11:15 p.m.-11:45 p.m.

2 stops35h 30m

C$ 1,251

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sat 2/5

2:50 p.m.-9:50 p.m.

3 stops44h 00m

Ho Chi Minh City

Sat 16/5

11:15 p.m.-1:34 p.m.

2 stops25h 19m

C$ 1,251

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Mon 4/5

10:45 a.m.-12:15 a.m.

2 stops26h 30m

Ho Chi Minh City

Mon 18/5

7:00 a.m.-9:32 p.m.

2 stops25h 32m

C$ 1,373

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Mon 4/5

10:45 a.m.-12:15 a.m.

2 stops26h 30m

Ho Chi Minh City

Tue 19/5

7:00 a.m.-9:32 p.m.

2 stops25h 32m

C$ 1,374

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Mon 4/5

9:30 a.m.-12:15 a.m.

2 stops27h 45m

Ho Chi Minh City

Wed 20/5

7:00 a.m.-9:32 p.m.

2 stops25h 32m

C$ 1,374

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Thu 7/5

10:45 a.m.-12:15 a.m.

2 stops26h 30m

Ho Chi Minh City

Tue 19/5

7:00 a.m.-9:32 p.m.

2 stops25h 32m

C$ 1,374

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/12

Showing 1-10 of 60 results

...

Best time to book a flight from Ontario to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Vietnam

What is the cheapest month to book a flight from Region of Ontario to Vietnam?

Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Vietnam (average of C$ 768). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to VN?

Unlike in the evening, when flights are generally more expensive, you can save up to 17% on flights from Region of Ontario to Vietnam by exploring options for tickets at noon.

What is the cheapest day to fly from Region of Ontario to Vietnam?

Travelers seeking maximum savings on their Region of Ontario to Vietnam flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Region of Ontario to Vietnam?
United Airlines, Air Canada, and Delta can get you from Region of Ontario to Vietnam in just under 26h 30m. Your travel time can differ by up to 12h 45m. Region of Ontario and Vietnam are separated by a distance of 13919 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Region of Ontario to Vietnam one-way?
The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as C$ 493. However, be on the lookout for offers from China Eastern and American Airlines, as they are both options that can get you from Region of Ontario to Vietnam for a low price.
Can I find deals for flights from Ontario to Vietnam that include hotel bookings?
Yes. In addition to deals on Ontario to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Vietnam.
Can I find deals for business class flights from Ontario to Vietnam?
Yes. Cheapflights offers flight deals from Ontario to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Vietnam?
Currently, March is the cheapest month in which you can book a flight from Region of Ontario to Vietnam (average of C$ 768). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,322). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Ontario to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	CheapestC$ 895	AverageC$ 1,367	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
American Airlines	CheapestC$ 1,022	AverageC$ 1,284	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Cathay Pacific	CheapestC$ 1,094	AverageC$ 1,919	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
ANA	CheapestC$ 1,110	AverageC$ 1,256	FlexibilityNo cancel fee	On-time80%	Search ANA flights
United Airlines	CheapestC$ 1,141	AverageC$ 1,362	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Japan Airlines	CheapestC$ 1,161	AverageC$ 1,402	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
China Airlines	CheapestC$ 1,173	AverageC$ 1,902	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
China Eastern	CheapestC$ 1,204	AverageC$ 1,522	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air Canada	CheapestC$ 1,270	AverageC$ 1,550	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Turkish Airlines	CheapestC$ 1,277	AverageC$ 1,459	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Vietnam?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Vietnam from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Vietnam?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Vietnam by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Vietnam with no change fees?

Need flexible booking options for your flight to Vietnam from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Ontario to Vietnam from C$ 613

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Vietnam

Cheapest flights from Ontario to VietnamExplore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Explore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Find flight deals from Ontario to Vietnam

Keep the following information in mind while searching for Ontario to Vietnam flight deals. Data was last updated 23 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Vietnam that are best for you.

Best time to book a flight from Ontario to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Vietnam

What is the cheapest month to book a flight from Region of Ontario to Vietnam?

What is the cheapest time of day to fly from ON to VN?

Find hourly flight availability from Ontario to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

What is the cheapest day to fly from Region of Ontario to Vietnam?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Vietnam. Price data was last updated on 16 December 2024.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Region of Ontario to Vietnam?

What are the cheapest airlines to fly from Region of Ontario to Vietnam one-way?

Can I find deals for flights from Ontario to Vietnam that include hotel bookings?

How can I find direct flights from Ontario to Vietnam?

Can I find deals for business class flights from Ontario to Vietnam?

What is the cheapest month to book a flight from Region of Ontario to Vietnam?

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Alternative routes for Ontario to Vietnam

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Top 10 airlines flying from Ontario to Vietnam

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Cheapest flights from Ontario to Vietnam
Explore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.