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Cheap flights from Ontario to Vietnam from C$ 649

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SGN
25 Feb — 4 Mar1
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 26 January 2026.

Wed 5/85:05 p.m.
YUL
-
SGN
3 stops42h 00m
United Airlines
Tue 25/811:15 p.m.
SGN
-
YUL
2 stops42h 28m
United Airlines
Deal found 26/1C$ 1,259
Fri 10/45:35 p.m.
YUL
-
SGN
3 stops41h 30m
United Airlines
Fri 24/47:00 a.m.
SGN
-
YUL
2 stops44h 05m
United Airlines
Deal found 26/1C$ 1,263
Sun 12/48:30 a.m.
YUL
-
SGN
2 stops26h 25m
United Airlines
Sat 25/47:00 a.m.
SGN
-
YUL
3 stops38h 40m
United Airlines
Deal found 25/1C$ 1,275
Mon 12/107:45 p.m.
YYZ
-
DAD
2 stops28h 50m
EVA Air
Wed 21/1012:55 p.m.
DAD
-
YYZ
2 stops29h 04m
EVA Air
Deal found 24/1C$ 1,281
Wed 1/46:15 p.m.
YUL
-
SGN
3 stops40h 50m
United Airlines
Tue 21/47:00 a.m.
SGN
-
YUL
3 stops39h 38m
United Airlines
Deal found 26/1C$ 1,282
Tue 18/87:45 p.m.
YYZ
-
DAD
2 stops28h 50m
EVA Air
Wed 2/912:55 p.m.
DAD
-
YYZ
2 stops29h 04m
EVA Air
Deal found 25/1C$ 1,282
Wed 4/35:50 p.m.
YUL
-
SGN
2 stops40h 10m
Multiple Airlines
Wed 22/43:45 p.m.
SGN
-
YUL
2 stops36h 02m
Multiple Airlines
Deal found 24/1C$ 1,286
Mon 14/97:45 p.m.
YYZ
-
DAD
2 stops28h 50m
EVA Air
Tue 22/912:55 p.m.
DAD
-
YYZ
2 stops29h 04m
EVA Air
Deal found 26/1C$ 1,286
Thu 30/45:55 p.m.
YUL
-
SGN
2 stops41h 10m
United Airlines
Sat 16/57:00 a.m.
SGN
-
YUL
2 stops26h 06m
United Airlines
Deal found 24/1C$ 1,290
Tue 13/1012:35 p.m.
YUL
-
SGN
1 stop23h 15m
Multiple Airlines
Thu 12/117:30 a.m.
SGN
-
YUL
2 stops24h 06m
Multiple Airlines
Deal found 25/1C$ 1,293
Tue 22/98:05 a.m.
YUL
-
SGN
1 stop27h 00m
ANA
Tue 1/1211:05 p.m.
SGN
-
YUL
2 stops32h 33m
ANA
Deal found 26/1C$ 1,297
Wed 30/98:05 a.m.
YUL
-
SGN
1 stop27h 00m
ANA
Wed 14/107:00 a.m.
SGN
-
YUL
2 stops36h 15m
ANA
Deal found 26/1C$ 1,301

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 26 January 2026.

Round-trip from

C$ 1,268

One-way from

C$ 649

Popular in

December

Cheapest in

September

Average price

C$ 1,608
United Airlines
  • United Airlines
  • 30/4-30/5
  • 5 total stops
  • 83h 06m total
  • Ontario to Vietnam
Search Deals
23/2
  • 23/2
  • 3 total stops
  • 52h 10m total
  • Ontario to Vietnam
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 26 January 2026.
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

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:30 p.m.-10:05 p.m.

2 stops40h 35m

Ho Chi Minh City

Sat 16/5

7:00 a.m.-8:17 p.m.

2 stops24h 17m

C$ 1,290

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

4:50 p.m.-10:05 p.m.

2 stops42h 15m

Ho Chi Minh City

Wed 3/6

11:15 p.m.-12:10 a.m.

2 stops35h 55m

C$ 1,309

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

6:35 p.m.-10:05 p.m.

3 stops40h 30m

Ho Chi Minh City

Sat 30/5

7:00 a.m.-10:11 a.m.

3 stops38h 11m

C$ 1,324

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sat 28/2

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

2 stops40h 00m

Ho Chi Minh City

Thu 30/4

11:15 p.m.-5:00 p.m.

2 stops28h 45m

C$ 1,338

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Thu 19/3

8:05 a.m.-10:55 p.m.

2 stops27h 50m

Ho Chi Minh City

Sat 18/4

7:00 a.m.-7:00 a.m.

2 stops35h 00m

C$ 1,345

MontrealDa Nang

YUL - DAD

YULDAD

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:00 p.m.-8:55 a.m.

2 stops27h 55m

Da Nang

Mon 18/5

12:55 p.m.-3:37 p.m.

2 stops37h 42m

C$ 1,363

TorontoHanoi

YYZ - HAN

YYZHAN

Toronto Pearson Intl

Thu 16/4

8:00 a.m.-1:20 a.m.

2 stops30h 20m

Hanoi Noibai

Fri 1/5

2:20 a.m.-2:25 p.m.

1 stop23h 05m

C$ 1,393

TorontoHanoi

YYZ - HAN

YYZHAN

Toronto Pearson Intl

Mon 27/4

1:50 a.m.-6:05 p.m.

1 stop29h 15m

Hanoi Noibai

Sun 17/5

10:55 a.m.-5:45 a.m.

1 stop29h 50m

C$ 1,401

TorontoHanoi

YYZ - HAN

YYZHAN

Toronto Pearson Intl

Mon 30/3

1:50 a.m.-9:55 a.m.

1 stop21h 05m

Hanoi Noibai

Sun 3/5

10:55 a.m.-2:00 p.m.

1 stop38h 05m

C$ 1,413

MontrealHanoi

YUL - HAN

YULHAN

Montreal Pierre Elliott Trudeau Intl

Thu 19/2

6:25 p.m.-11:35 a.m.

2 stops29h 10m

Hanoi Noibai

Mon 9/3

12:35 p.m.-4:49 p.m.

2 stops39h 14m

C$ 1,442

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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$ 782). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,308). 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, Cathay Pacific, and Etihad Airways can get you from Region of Ontario to Vietnam in just under 28h 30m. Your travel time can differ by up to 12h 05m. Region of Ontario and Vietnam are separated by a distance of 12769 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$ 490. However, be on the lookout for offers from China Eastern and ANA, 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$ 782). Flying from Region of Ontario to Vietnam in June is currently the most expensive (average of C$ 1,308). 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 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapestC$ 890AverageC$ 1,361FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
China EasternCheapestC$ 1,005AverageC$ 1,487FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
American AirlinesCheapestC$ 1,016AverageC$ 1,268FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapestC$ 1,088AverageC$ 1,852FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapestC$ 1,104AverageC$ 1,249FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapestC$ 1,137AverageC$ 1,352FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestC$ 1,152AverageC$ 1,360FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
China AirlinesCheapestC$ 1,168AverageC$ 1,870FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Turkish AirlinesCheapestC$ 1,269AverageC$ 1,455FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapestC$ 1,273AverageC$ 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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