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

United Airlines, Air Canada, and Cathay Pacific can get you from Region of Ontario to Vietnam in just under 26h 30m. Your travel time can differ by up to 36h 58m. 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 United Airlines, with whom users have recently found tickets for as low as C$ 684. However, be on the lookout for offers from ANA and Japan 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$ 566+ Flights from Ontario to Vietnam

Find 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 20 November 2025.

Sun 23/115:14 p.m.YOW - SGN

3 stops65h 41mUnited Airlines

Wed 3/126:00 a.m.SGN - YOW

3 stops47h 12mUnited Airlines

Deal found 18/11C$ 1,173

Thu 27/116:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Thu 11/126:00 a.m.SGN - YYZ

3 stops27h 21mUnited Airlines

Deal found 19/11C$ 1,227

Sun 23/117:30 a.m.YYZ - SGN

2 stops28h 45mUnited Airlines

Thu 30/47:00 a.m.SGN - YYZ

2 stops28h 09mUnited Airlines

Deal found 19/11C$ 1,232

Thu 27/116:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Wed 10/126:00 a.m.SGN - YYZ

2 stops25h 55mUnited Airlines

Deal found 19/11C$ 1,238

Wed 19/111:30 p.m.YYZ - DAD

2 stops33h 45mMultiple Airlines

Wed 3/1212:25 p.m.DAD - YYZ

1 stop21h 45mMultiple Airlines

Deal found 19/11C$ 1,241

Thu 4/126:00 a.m.YOW - SGN

2 stops27h 50mUnited Airlines

Wed 17/1211:05 p.m.SGN - YOW

2 stops31h 47mUnited Airlines

Deal found 19/11C$ 1,259

Wed 3/125:55 p.m.YYZ - SGN

2 stops39h 55mUnited Airlines

Wed 10/1211:05 p.m.SGN - YYZ

2 stops32h 40mUnited Airlines

Deal found 19/11C$ 1,262

Wed 3/125:55 p.m.YYZ - SGN

2 stops39h 55mUnited Airlines

Thu 11/127:30 a.m.SGN - YYZ

2 stops23h 47mUnited Airlines

Deal found 19/11C$ 1,266

Thu 20/1110:15 p.m.YYZ - SGN

2 stops52h 15mPhilippine Airlines

Thu 27/119:35 a.m.SGN - YYZ

2 stops32h 33mPhilippine Airlines

Deal found 19/11C$ 1,270

Thu 27/119:00 p.m.YYZ - SGN

3 stops37h 55mUnited Airlines

Fri 5/126:00 a.m.SGN - YYZ

3 stops29h 20mUnited Airlines

Deal found 19/11C$ 1,277

Sat 22/116:40 p.m.YYZ - SGN

2 stops41h 35mUnited Airlines

Fri 5/126:00 a.m.SGN - YYZ

2 stops36h 40mUnited Airlines

Deal found 19/11C$ 1,282

Wed 19/1110:15 p.m.YYZ - SGN

2 stops46h 10mPhilippine Airlines

Wed 26/119:35 a.m.SGN - YYZ

1 stop24h 35mPhilippine Airlines

Deal found 18/11C$ 1,286

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 20 November 2025.

Wed 14/17:27 p.m.YOW - SGN

3 stops63h 28mUnited Airlines

Tue 26/511:15 p.m.SGN - YOW

2 stops35h 30mUnited Airlines

Deal found 19/11C$ 1,208

Thu 14/53:30 p.m.YYZ - SGN

1 stop38h 50mCathay Pacific

Mon 1/66:20 p.m.SGN - YYZ

1 stop30h 30mCathay Pacific

Deal found 18/11C$ 1,324

Sun 8/312:45 p.m.YUL - SGN

2 stops47h 35mDelta

Thu 2/41:55 p.m.SGN - YUL

2 stops56h 49mDelta

Deal found 19/11C$ 1,355

Tue 7/410:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Thu 23/47:00 a.m.SGN - YTZ

2 stops23h 52mAir Canada

Deal found 18/11C$ 1,372

Wed 18/25:50 p.m.YUL - DAD

2 stops55h 25mMultiple Airlines

Wed 11/31:00 p.m.DAD - YUL

2 stops38h 49mMultiple Airlines

Deal found 18/11C$ 1,400

Sun 25/18:50 p.m.YUL - HAN

1 stop22h 05mQatar Airways

Thu 19/27:10 p.m.HAN - YUL

1 stop30h 55mQatar Airways

Deal found 20/11C$ 1,640

Thu 22/16:00 a.m.YYZ - HAN

2 stops28h 30mJapan Airlines

Fri 13/211:55 p.m.HAN - YYZ

2 stops48h 35mJapan Airlines

Deal found 20/11C$ 1,656

Tue 31/36:45 p.m.YYZ - DAD

2 stops27h 05mChina Airlines

Sat 2/59:50 a.m.DAD - YYZ

2 stops31h 23mChina Airlines

Deal found 18/11C$ 1,714

Mon 30/36:45 a.m.YTZ - SGN

2 stops44h 35mEmirates

Sun 3/55:10 p.m.SGN - YTZ

2 stops29h 41mEmirates

Deal found 18/11C$ 1,799

Mon 30/312:30 p.m.YYZ - DAD

1 stop21h 35mKorean Air

Mon 27/43:40 p.m.DAD - YYZ

2 stops44h 03mKorean Air

Deal found 18/11C$ 1,832

Wed 14/17:27 p.m.YOW - SGN

3 stops63h 28mUnited Airlines

Mon 25/511:15 p.m.SGN - YOW

2 stops49h 30mUnited Airlines

Deal found 17/11C$ 1,208

Wed 1/46:52 a.m.YOW - SGN

3 stops51h 58mUnited Airlines

Fri 15/57:00 a.m.SGN - YOW

3 stops41h 45mUnited Airlines

Deal found 18/11C$ 1,224

Wed 8/49:30 a.m.YTZ - SGN

2 stops27h 45mAir Canada

Wed 22/47:00 a.m.SGN - YTZ

2 stops23h 52mAir Canada

Deal found 17/11C$ 1,373

Sat 24/112:35 a.m.YYZ - HAN

1 stop29h 55mCathay Pacific

Tue 17/210:30 a.m.HAN - YYZ

1 stop37h 45mCathay Pacific

Deal found 20/11C$ 1,467

Wed 13/56:00 p.m.YUL - HAN

2 stops29h 35mMultiple Airlines

Wed 24/611:35 a.m.HAN - YUL

2 stops30h 35mMultiple Airlines

Deal found 18/11C$ 1,473

Sun 1/35:55 p.m.YYZ - SGN

2 stops41h 00mUnited Airlines

Fri 8/57:00 a.m.SGN - YYZ

2 stops25h 45mUnited Airlines

Deal found 18/11C$ 1,227

Sat 2/512:45 p.m.YUL - HAN

2 stops45h 50mDelta

Wed 27/511:10 p.m.HAN - YUL

2 stops47h 37mDelta

Deal found 18/11C$ 1,501

Wed 18/28:30 a.m.YTZ - SGN

2 stops27h 45mAir Canada

Wed 22/47:00 a.m.SGN - YTZ

2 stops23h 52mAir Canada

Deal found 18/11C$ 1,446

Tue 27/18:50 p.m.YUL - HAN

1 stop22h 05mQatar Airways

Tue 17/27:10 p.m.HAN - YUL

1 stop30h 55mQatar Airways

Deal found 20/11C$ 1,640

Mon 23/33:10 p.m.YHM - SGN

3 stops30h 15mMultiple Airlines

Sun 29/31:50 a.m.SGN - YHM

3 stops34h 30mMultiple Airlines

Deal found 18/11C$ 1,507

Thu 2/46:10 p.m.YHM - SGN

2 stops55h 25mWestJet

Sat 2/58:20 a.m.SGN - YHM

2 stops27h 20mWestJet

Deal found 18/11C$ 3,317

Sat 25/45:25 p.m.YOW - SGN

3 stops41h 25mUnited Airlines

Fri 8/511:15 p.m.SGN - YOW

2 stops33h 41mUnited Airlines

Deal found 18/11C$ 1,258

Thu 26/32:55 p.m.YYZ - HAN

1 stop40h 35mCathay Pacific

Sun 3/57:05 p.m.HAN - YYZ

1 stop38h 05mCathay Pacific

Deal found 18/11C$ 1,531

Sun 22/36:45 p.m.YYZ - DAD

2 stops34h 40mChina Airlines

Sun 12/45:35 p.m.DAD - YYZ

2 stops31h 05mChina Airlines

Deal found 18/11C$ 1,756

Mon 6/410:15 a.m.YUL - DAD

2 stops48h 35mEmirates

Wed 22/411:30 p.m.DAD - YUL

3 stops31h 40mEmirates

Deal found 20/11C$ 1,802

Wed 28/18:50 p.m.YUL - HAN

1 stop22h 05mQatar Airways

Tue 17/27:10 p.m.HAN - YUL

1 stop30h 55mQatar Airways

Deal found 20/11C$ 1,640

Thu 4/126:00 a.m.YOW - SGN

2 stops27h 50mUnited Airlines

Wed 17/1211:05 p.m.SGN - YOW

2 stops31h 47mUnited Airlines

Deal found 19/11C$ 1,259

Fri 10/410:45 a.m.YTZ - SGN

2 stops26h 30mAir Canada

Thu 7/57:00 a.m.SGN - YTZ

2 stops23h 51mAir Canada

Deal found 18/11C$ 1,524

Mon 26/17:30 a.m.YUL - DAD

2 stops29h 00mMultiple Airlines

Sun 8/212:30 a.m.DAD - YUL

1 stop28h 35mMultiple Airlines

Deal found 18/11C$ 1,531

Wed 18/312:40 p.m.YYZ - DAD

1 stop38h 35mKorean Air

Wed 25/311:20 p.m.DAD - YYZ

2 stops29h 05mKorean Air

Deal found 18/11C$ 1,871

Last-minute flights from Ontario to Vietnam
Discover last-minute flight deals from Ontario to Vietnam. Data last updated 20 November 2025 and is based on user searches.

Thu 20/1110:15 p.m.YYZ - SGN

2 stops52h 15mPhilippine Airlines

Thu 27/119:35 a.m.SGN - YYZ

2 stops32h 33mPhilippine Airlines

Deal found 19/11C$ 1,270

Sun 23/115:14 p.m.YOW - SGN

3 stops65h 41mUnited Airlines

Wed 3/126:00 a.m.SGN - YOW

3 stops47h 12mUnited Airlines

Deal found 18/11C$ 1,173

Sun 23/117:30 a.m.YYZ - SGN

2 stops28h 45mUnited Airlines

Thu 30/47:00 a.m.SGN - YYZ

2 stops28h 09mUnited Airlines

Deal found 19/11C$ 1,232

Wed 26/116:45 p.m.YYZ - SGN

2 stops39h 05mUnited Airlines

Wed 28/16:00 a.m.SGN - YYZ

2 stops30h 05mUnited Airlines

Deal found 18/11C$ 1,276

Thu 27/116:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Tue 9/126:00 a.m.SGN - YYZ

3 stops27h 21mUnited Airlines

Deal found 19/11C$ 1,227

Thu 27/116:55 p.m.YYZ - SGN

2 stops40h 00mUnited Airlines

Wed 10/126:00 a.m.SGN - YYZ

2 stops25h 55mUnited Airlines

Deal found 19/11C$ 1,238

Thu 27/119:00 p.m.YYZ - SGN

3 stops37h 55mUnited Airlines

Sat 27/1211:05 p.m.SGN - YYZ

2 stops35h 49mUnited Airlines

Deal found 18/11C$ 1,261

Thu 27/119:00 p.m.YYZ - SGN

3 stops37h 55mUnited Airlines

Fri 5/126:00 a.m.SGN - YYZ

3 stops29h 20mUnited Airlines

Deal found 19/11C$ 1,277

Wed 3/126:50 p.m.YYZ - SGN

2 stops39h 00mUnited Airlines

Tue 17/211:05 p.m.SGN - YYZ

2 stops31h 29mUnited Airlines

Deal found 18/11C$ 1,262

Wed 3/126:50 p.m.YYZ - SGN

2 stops39h 00mUnited Airlines

Wed 18/27:30 a.m.SGN - YYZ

2 stops25h 12mUnited Airlines

Deal found 18/11C$ 1,266

Thu 4/126:00 a.m.YOW - SGN

2 stops27h 50mUnited Airlines

Wed 17/1211:05 p.m.SGN - YOW

2 stops31h 47mUnited Airlines

Deal found 19/11C$ 1,259

Thu 4/129:00 a.m.YYZ - SGN

2 stops48h 50mUnited Airlines

Thu 18/127:30 a.m.SGN - YYZ

2 stops25h 54mUnited Airlines

Deal found 18/11C$ 1,265

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 20 November 2025.

Mon 26/16:45 a.m.YUL - HAN

3 stops44h 00mMultiple Airlines

Deal found 18/11C$ 566

Mon 26/11:30 p.m.YYZ - DAD

3 stops46h 35mMultiple Airlines

Deal found 18/11C$ 587

Mon 8/126:30 a.m.YYZ - DAD

3 stops51h 40mMultiple Airlines

Deal found 17/11C$ 627

Sat 31/16:45 a.m.YUL - SGN

3 stops39h 55mMultiple Airlines

Deal found 17/11C$ 651

Sun 29/38:00 p.m.YYZ - SGN

3 stops52h 00mMultiple Airlines

Deal found 19/11C$ 653

Sun 25/110:00 a.m.YYZ - DAD

3 stops50h 01mMultiple Airlines

Deal found 20/11C$ 661

Wed 4/37:55 a.m.YYZ - DAD

3 stops44h 15mMultiple Airlines

Deal found 18/11C$ 663

Sat 28/37:55 p.m.YYZ - SGN

3 stops52h 05mMultiple Airlines

Deal found 19/11C$ 663

Thu 22/11:30 p.m.YYZ - SGN

2 stops33h 55mMultiple Airlines

Deal found 19/11C$ 667

Sat 17/13:30 p.m.YTZ - SGN

3 stops31h 10mMultiple Airlines

Deal found 20/11C$ 671

Mon 4/57:40 a.m.YYZ - SGN

3 stops50h 25mMultiple Airlines

Deal found 19/11C$ 677

Fri 30/110:00 a.m.YYZ - DAD

3 stops50h 05mMultiple Airlines

Deal found 18/11C$ 681

Cheap flight deals from Ontario to Vietnam

Round-trip from	C$ 1,133
One-way from	C$ 566
Popular in	December
Cheapest in	September
Average price	C$ 1,504

23/2-10/3
4 total stops
66h 55m total
Ontario to Vietnam

Search Deals

26/1
3 total stops
44h 00m total
Ontario to Vietnam

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 63 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 14/1

7:27 p.m.-10:55 p.m.

3 stops63h 28m

Ho Chi Minh City

Tue 26/5

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

2 stops35h 30m

C$ 1,208

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 14/1

7:27 p.m.-10:55 p.m.

3 stops63h 28m

Ho Chi Minh City

Mon 25/5

11:15 p.m.-1:45 p.m.

2 stops49h 30m

C$ 1,208

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 1/4

6:52 a.m.-9:50 p.m.

3 stops51h 58m

Ho Chi Minh City

Fri 15/5

7:00 a.m.-1:45 p.m.

3 stops41h 45m

C$ 1,224

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sun 1/3

5:55 p.m.-10:55 p.m.

2 stops41h 00m

Ho Chi Minh City

Fri 8/5

7:00 a.m.-9:45 p.m.

2 stops25h 45m

C$ 1,227

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sat 25/4

5:25 p.m.-9:50 p.m.

3 stops41h 25m

Ho Chi Minh City

Fri 8/5

11:15 p.m.-9:56 p.m.

2 stops33h 41m

C$ 1,258

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Thu 4/12

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

2 stops27h 50m

Ho Chi Minh City

Wed 17/12

11:05 p.m.-6:52 p.m.

2 stops31h 47m

C$ 1,259

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Thu 14/5

3:30 p.m.-5:20 p.m.

1 stop38h 50m

Ho Chi Minh City

Mon 1/6

6:20 p.m.-1:50 p.m.

1 stop30h 30m

C$ 1,324

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

12:45 p.m.-11:20 p.m.

2 stops47h 35m

Ho Chi Minh City

Thu 2/4

1:55 p.m.-11:44 a.m.

2 stops56h 49m

C$ 1,355

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Tue 7/4

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

2 stops26h 30m

Ho Chi Minh City

Thu 23/4

7:00 a.m.-7:52 p.m.

2 stops23h 52m

C$ 1,372

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Wed 8/4

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

2 stops27h 45m

Ho Chi Minh City

Wed 22/4

7:00 a.m.-7:52 p.m.

2 stops23h 52m

C$ 1,373

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

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$ 785). Flying from Region of Ontario to Vietnam in May is currently the most expensive (average of C$ 1,420). 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 26% 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 Cathay Pacific can get you from Region of Ontario to Vietnam in just under 26h 30m. Your travel time can differ by up to 36h 58m. 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 United Airlines, with whom users have recently found tickets for as low as C$ 684. However, be on the lookout for offers from ANA and Japan 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$ 785). Flying from Region of Ontario to Vietnam in May is currently the most expensive (average of C$ 1,420). 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$ 914	AverageC$ 1,398	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
American Airlines	CheapestC$ 1,044	AverageC$ 1,312	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
ANA	CheapestC$ 1,134	AverageC$ 1,295	FlexibilityNo cancel fee	On-time80%	Search ANA flights
United Airlines	CheapestC$ 1,182	AverageC$ 1,410	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Japan Airlines	CheapestC$ 1,188	AverageC$ 1,433	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
China Eastern	CheapestC$ 1,250	AverageC$ 1,604	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Airlines	CheapestC$ 1,260	AverageC$ 2,018	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Air Canada	CheapestC$ 1,299	AverageC$ 1,611	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Turkish Airlines	CheapestC$ 1,305	AverageC$ 1,492	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Air France	CheapestC$ 1,350	AverageC$ 1,669	FlexibilityNo cancel fee	On-time77%	Search Air France 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.

Can Cheapflights notify me if prices for flights from Ontario to Vietnam become cheaper?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Vietnam from C$ 566

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find 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 20 November 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 20 November 2025.

Cheap flight deals from Ontario to Vietnam

Keep the following information in mind while searching for Ontario to Vietnam flight deals. Data was last updated 20 November 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 20 November 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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Ontario to Vietnam

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

Can Cheapflights notify me if prices for flights from Ontario to Vietnam become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 20 November 2025.