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Cheap flights from Ontario to Vietnam from C$ 575

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.
YYZ — SGN
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

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 4 December 2025.

Tue 2/124:10 p.m.YYZ - SGN
3 stops42h 45mUnited Airlines
Thu 22/17:30 a.m.SGN - YYZ
2 stops24h 25mUnited Airlines
Deal found 2/12C$ 1,259
Tue 2/125:30 p.m.YYZ - SGN
3 stops41h 25mUnited Airlines
Wed 21/16:00 a.m.SGN - YYZ
3 stops28h 41mUnited Airlines
Deal found 2/12C$ 1,270
Wed 3/129:00 p.m.YYZ - SGN
3 stops37h 55mUnited Airlines
Fri 23/16:00 a.m.SGN - YYZ
3 stops27h 21mUnited Airlines
Deal found 2/12C$ 1,319
Wed 3/126:10 a.m.YYZ - SGN
2 stops35h 45mJapan Airlines
Tue 20/111:45 p.m.SGN - YYZ
2 stops34h 06mJapan Airlines
Deal found 2/12C$ 1,358
Wed 3/126:45 p.m.YYZ - SGN
2 stops31h 45mPhilippine Airlines
Wed 10/129:35 a.m.SGN - YYZ
2 stops32h 33mPhilippine Airlines
Deal found 2/12C$ 1,370
Mon 29/124:45 p.m.YUL - SGN
2 stops65h 05mUnited Airlines
Tue 20/16:00 a.m.SGN - YUL
3 stops40h 20mUnited Airlines
Deal found 2/12C$ 1,387
Mon 8/123:45 p.m.YYZ - SGN
3 stops43h 10mUnited Airlines
Mon 15/126:00 a.m.SGN - YYZ
3 stops29h 46mUnited Airlines
Deal found 3/12C$ 1,393
Mon 29/124:45 p.m.YUL - SGN
2 stops65h 05mUnited Airlines
Wed 21/16:00 a.m.SGN - YUL
2 stops46h 49mUnited Airlines
Deal found 2/12C$ 1,398
Thu 4/127:05 a.m.YYZ - SGN
2 stops34h 50mAmerican Airlines
Wed 21/111:45 p.m.SGN - YYZ
2 stops46h 04mAmerican Airlines
Deal found 2/12C$ 1,415
Tue 9/126:45 p.m.YYZ - SGN
2 stops27h 50mMultiple Airlines
Tue 16/127:35 p.m.SGN - YYZ
2 stops23h 05mMultiple Airlines
Deal found 2/12C$ 1,416
Thu 4/127:05 a.m.YYZ - SGN
2 stops34h 50mAmerican Airlines
Thu 22/17:50 a.m.SGN - YYZ
2 stops41h 21mAmerican Airlines
Deal found 2/12C$ 1,418
Thu 11/126:20 a.m.YOW - SGN
2 stops51h 30mUnited Airlines
Wed 4/211:05 p.m.SGN - YOW
2 stops36h 49mUnited Airlines
Deal found 3/12C$ 1,426

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 4 December 2025.

Round-trip from

C$ 1,040

One-way from

C$ 575

Popular in

December

Cheapest in

September

Average price

C$ 1,980
20/1-20/4
  • 20/1-20/4
  • 4 total stops
  • 62h 55m total
  • Ontario to Vietnam
Search Deals
26/1
  • 26/1
  • 3 total stops
  • 39h 55m total
  • Ontario to Vietnam
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Vietnam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from Ontario to Vietnam that are best for you.

Fly from

Ontario

Fly to

Vietnam

Route

Depart

Return

Price

MontrealDa Nang

YUL - DAD

YULDAD

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

10:40 a.m.-7:25 a.m.

2 stops32h 45m

Da Nang

Mon 20/4

12:50 p.m.-8:00 a.m.

2 stops30h 10m

C$ 1,040

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 14/1

5:11 p.m.-10:55 p.m.

3 stops41h 44m

Ho Chi Minh City

Mon 25/5

11:15 p.m.-2:07 p.m.

2 stops49h 52m

C$ 1,151

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 21/1

5:11 p.m.-10:55 p.m.

3 stops41h 44m

Ho Chi Minh City

Tue 14/4

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

3 stops41h 45m

C$ 1,167

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sun 18/1

5:11 p.m.-10:55 p.m.

3 stops41h 44m

Ho Chi Minh City

Thu 9/4

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

3 stops41h 45m

C$ 1,167

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Tue 20/1

3:10 p.m.-10:55 p.m.

3 stops43h 45m

Ho Chi Minh City

Tue 14/4

7:00 a.m.-2:22 p.m.

3 stops42h 22m

C$ 1,167

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Wed 21/1

3:10 p.m.-10:55 p.m.

3 stops43h 45m

Ho Chi Minh City

Wed 15/4

7:00 a.m.-10:03 a.m.

3 stops38h 03m

C$ 1,167

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sat 17/1

5:11 p.m.-10:55 p.m.

3 stops65h 44m

Ho Chi Minh City

Mon 13/4

7:00 a.m.-10:03 a.m.

3 stops38h 03m

C$ 1,167

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sun 18/1

5:11 p.m.-10:55 p.m.

3 stops41h 44m

Ho Chi Minh City

Mon 13/4

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

3 stops41h 45m

C$ 1,167

TorontoHanoi

YYZ - HAN

YYZHAN

Toronto Pearson Intl

Mon 19/1

3:25 p.m.-3:15 p.m.

2 stops35h 50m

Hanoi Noibai

Thu 29/1

6:45 p.m.-1:25 p.m.

1 stop30h 40m

C$ 1,263

TorontoHanoi

YTZ - HAN

YTZHAN

Toronto Island

Thu 15/1

4:30 p.m.-2:40 p.m.

3 stops34h 10m

Hanoi Noibai

Thu 22/1

7:45 p.m.-7:08 p.m.

3 stops35h 23m

C$ 1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 60 results
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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$ 779). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,341). 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?

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 4 December 2025.

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?

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.

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

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?

    United Airlines, China Eastern, and Air Canada can get you from Region of Ontario to Vietnam in just under 27h 45m. Your travel time can differ by up to 13h 59m. 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$ 500. However, be on the lookout for offers from ANA and EVA Air, 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$ 779). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,341). 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

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Alternative routes for Ontario to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to Vietnam

Discover the top 10 airlines that operate flights from Ontario to Vietnam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapestC$ 907AverageC$ 1,386FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
American AirlinesCheapestC$ 1,036AverageC$ 1,301FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapestC$ 1,109AverageC$ 1,939FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapestC$ 1,125AverageC$ 1,272FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapestC$ 1,165AverageC$ 1,388FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestC$ 1,179AverageC$ 1,418FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
China AirlinesCheapestC$ 1,198AverageC$ 1,939FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
China EasternCheapestC$ 1,240AverageC$ 1,593FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air CanadaCheapestC$ 1,288AverageC$ 1,575FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Turkish AirlinesCheapestC$ 1,294AverageC$ 1,481FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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?

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!

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