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Cheap flights from Ontario to Vietnam from C$ 578

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SGN
9 Apr — 16 Apr1
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 10 March 2026.

Thu 7/56:00 a.m.
YOW
-
SGN
2 stops28h 55m
United Airlines
Mon 25/511:15 p.m.
SGN
-
YOW
2 stops45h 48m
United Airlines
Deal found 6/3C$ 1,200
Tue 15/96:10 a.m.
YUL
-
SGN
3 stops28h 55m
United Airlines
Wed 7/107:00 a.m.
SGN
-
YUL
3 stops36h 16m
United Airlines
Deal found 7/3C$ 1,207
Wed 22/45:55 p.m.
YUL
-
SGN
2 stops41h 10m
United Airlines
Wed 13/511:15 p.m.
SGN
-
YUL
2 stops35h 58m
United Airlines
Deal found 9/3C$ 1,208
Sun 10/51:05 p.m.
YUL
-
SGN
2 stops45h 50m
United Airlines
Mon 18/511:15 p.m.
SGN
-
YUL
2 stops35h 58m
United Airlines
Deal found 8/3C$ 1,210
Tue 5/58:10 a.m.
YUL
-
SGN
2 stops26h 55m
United Airlines
Mon 1/611:15 p.m.
SGN
-
YUL
2 stops45h 58m
United Airlines
Deal found 6/3C$ 1,211
Tue 1/98:20 a.m.
YUL
-
SGN
2 stops26h 45m
United Airlines
Wed 30/97:00 a.m.
SGN
-
YUL
2 stops24h 12m
United Airlines
Deal found 8/3C$ 1,212
Mon 7/94:30 p.m.
YUL
-
SGN
2 stops42h 25m
United Airlines
Wed 7/107:00 a.m.
SGN
-
YUL
2 stops24h 12m
United Airlines
Deal found 8/3C$ 1,214
Sun 3/56:25 p.m.
YUL
-
SGN
2 stops40h 40m
United Airlines
Tue 26/57:00 a.m.
SGN
-
YUL
2 stops34h 51m
United Airlines
Deal found 5/3C$ 1,215
Sun 24/52:20 p.m.
YUL
-
SGN
2 stops44h 35m
United Airlines
Mon 8/67:00 a.m.
SGN
-
YUL
2 stops47h 26m
United Airlines
Deal found 6/3C$ 1,217
Sun 3/56:25 p.m.
YUL
-
SGN
2 stops40h 40m
United Airlines
Wed 27/57:00 a.m.
SGN
-
YUL
2 stops34h 51m
United Airlines
Deal found 7/3C$ 1,218
Thu 7/58:10 a.m.
YUL
-
SGN
2 stops26h 55m
United Airlines
Wed 13/511:15 p.m.
SGN
-
YUL
2 stops33h 51m
United Airlines
Deal found 8/3C$ 1,221
Mon 7/93:25 p.m.
YUL
-
SGN
3 stops43h 40m
United Airlines
Thu 8/107:00 a.m.
SGN
-
YUL
2 stops48h 45m
United Airlines
Deal found 8/3C$ 1,222

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 10 March 2026.

Round-trip from

C$ 1,200

One-way from

C$ 578

Popular in

December

Cheapest in

August

Average price

C$ 1,491
United Airlines
  • United Airlines
  • 7/5-25/5
  • 4 total stops
  • 74h 43m total
  • Ontario to Vietnam
Search Deals
13/4
  • 13/4
  • 2 total stops
  • 43h 45m total
  • Ontario to Vietnam
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 10 March 2026.
Use the filters below to find and compare flights from Ontario to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Thu 7/5

6:00 a.m.-9:55 p.m.

2 stops28h 55m

Ho Chi Minh City

Mon 25/5

11:15 p.m.-10:03 a.m.

2 stops45h 48m

C$ 1,200

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sun 30/8

2:48 p.m.-10:05 p.m.

3 stops44h 17m

Ho Chi Minh City

Sat 12/9

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

3 stops41h 59m

C$ 1,267

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

4:55 p.m.-10:05 p.m.

2 stops42h 10m

Ho Chi Minh City

Sun 17/5

11:15 p.m.-12:13 a.m.

2 stops35h 58m

C$ 1,299

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Tue 28/7

6:55 p.m.-10:05 p.m.

3 stops40h 10m

Ho Chi Minh City

Thu 27/8

7:00 a.m.-12:25 a.m.

2 stops28h 25m

C$ 1,305
Quickest round-trip

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sun 9/8

8:05 a.m.-12:15 a.m.

2 stops29h 10m

Ho Chi Minh City

Fri 11/9

7:00 a.m.-10:23 p.m.

2 stops26h 23m

C$ 1,313

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

2:20 p.m.-9:55 p.m.

2 stops44h 35m

Ho Chi Minh City

Sat 19/9

7:00 a.m.-10:40 a.m.

3 stops38h 40m

C$ 1,314

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sun 12/4

6:30 p.m.-9:55 p.m.

2 stops40h 25m

Ho Chi Minh City

Wed 22/4

7:00 a.m.-9:54 a.m.

3 stops37h 54m

C$ 1,317

HamiltonHo Chi Minh City

YHM - SGN

YHMSGN

Hamilton

Mon 13/4

6:10 p.m.-11:25 a.m.

3 stops30h 15m

Ho Chi Minh City

Mon 4/5

5:30 p.m.-5:15 p.m.

3 stops34h 45m

C$ 1,491

TorontoDa Nang

YYZ - DAD

YYZDAD

Toronto Pearson Intl

Sun 17/5

8:15 a.m.-9:05 p.m.

2 stops49h 50m

Da Nang

Mon 22/6

10:55 p.m.-1:05 a.m.

2 stops37h 10m

C$ 1,542

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Sun 30/8

5:00 a.m.-10:05 a.m.

2 stops42h 05m

Ho Chi Minh City

Sat 12/9

3:45 p.m.-5:43 a.m.

2 stops24h 58m

C$ 1,548

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 794). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,298). 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.

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, Korean Air, and Qatar Airways can get you from Region of Ontario to Vietnam in just under 22h 40m. Your travel time can differ by up to 27h 10m. Region of Ontario and Vietnam are separated by a distance of 12592 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$ 486. 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$ 794). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,298). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapestC$ 882AverageC$ 1,383FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
China EasternCheapestC$ 996AverageC$ 1,493FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
American AirlinesCheapestC$ 1,005AverageC$ 1,257FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapestC$ 1,052AverageC$ 1,784FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapestC$ 1,094AverageC$ 1,243FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapestC$ 1,125AverageC$ 1,337FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
China AirlinesCheapestC$ 1,154AverageC$ 1,843FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Japan AirlinesCheapestC$ 1,185AverageC$ 1,401FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Turkish AirlinesCheapestC$ 1,258AverageC$ 1,442FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapestC$ 1,262AverageC$ 1,545FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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