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

The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as C$ 652. However, be on the lookout for offers from United Airlines and Japan Airlines, as they are both options that can get you from Region of Ontario to Vietnam for a low price.

How far in advance should I book a flight from Region of Ontario to Vietnam?

To save on the cost of your flight from Region of Ontario to Vietnam, book at least 45 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 1,608 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,802.

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

The best pricing can be found in the month of September. Prices to Vietnam from Region of Ontario average C$ 1,734. You can even find prices in September for less than C$ 1,734, as users have found deals to Vietnam from as low as C$ 1,224. The month of December appears to be one of the more expensive times to travel to Vietnam from Region of Ontario. Flying in the targeted month can save you up to 22%.

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$ 1,237+ Flights from Ontario to Vietnam

Cheap flight deals from Ontario to Vietnam

Round-trip from	C$ 1,081
One-way from	C$ 652
Popular in	December
Cheapest in	September
Average price	C$ 1,988

ANA
18/8-8/9
4 total stops
61h 42m total
Ontario to Vietnam

Search Deals

ANA
28/8
2 total stops
29h 00m total
Ontario to Vietnam

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 135 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 51 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Ontario to Vietnam

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 12 June 2025.

Mon 18/86:33 a.m.YOW - SGN

2 stops28h 22mANA

Mon 8/911:15 p.m.SGN - YOW

2 stops33h 20mANA

Deal found 11/6C$ 1,081

Mon 20/106:05 a.m.YOW - SGN

2 stops28h 50mUnited Airlines

Mon 10/1111:05 p.m.SGN - YOW

2 stops47h 21mUnited Airlines

Deal found 11/6C$ 1,151

Mon 10/116:00 a.m.YOW - HAN

2 stops29h 05mUnited Airlines

Sun 23/1112:25 a.m.HAN - YOW

2 stops46h 01mUnited Airlines

Deal found 10/6C$ 1,168

Sat 6/126:05 p.m.YUL - SGN

2 stops39h 45mUnited Airlines

Sun 14/1211:05 p.m.SGN - YUL

2 stops31h 42mUnited Airlines

Deal found 11/6C$ 1,308

Thu 9/103:58 p.m.YUL - HAN

2 stops42h 52mJapan Airlines

Sun 9/1111:55 p.m.HAN - YUL

2 stops51h 00mJapan Airlines

Deal found 11/6C$ 1,315

Tue 30/126:35 p.m.YYZ - SGN

2 stops41h 40mUnited Airlines

Fri 3/47:00 a.m.SGN - YYZ

3 stops26h 44mUnited Airlines

Deal found 11/6C$ 1,323

Wed 9/76:45 p.m.YUL - HAN

2 stops40h 30mUnited Airlines

Sat 19/711:35 p.m.HAN - YUL

2 stops47h 23mUnited Airlines

Deal found 11/6C$ 1,323

Sun 5/109:00 a.m.YYZ - SGN

2 stops28h 15mANA

Fri 31/107:30 a.m.SGN - YYZ

2 stops23h 15mANA

Deal found 11/6C$ 1,326

Wed 31/127:05 a.m.YYZ - SGN

2 stops34h 45mJapan Airlines

Wed 1/411:20 p.m.SGN - YYZ

2 stops33h 31mJapan Airlines

Deal found 11/6C$ 1,330

Wed 20/81:35 a.m.YYZ - SGN

1 stop25h 55mMultiple Airlines

Mon 1/99:50 a.m.SGN - YYZ

2 stops38h 48mMultiple Airlines

Deal found 10/6C$ 1,344

Wed 17/91:35 a.m.YYZ - SGN

1 stop25h 55mPhilippine Airlines

Wed 24/93:35 p.m.SGN - YYZ

2 stops25h 38mPhilippine Airlines

Deal found 10/6C$ 1,345

Tue 23/95:15 p.m.YUL - SGN

2 stops49h 10mJapan Airlines

Tue 7/411:20 p.m.SGN - YUL

2 stops50h 29mJapan Airlines

Deal found 10/6C$ 1,348

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 12 June 2025.

Mon 18/86:33 a.m.YOW - SGN

2 stops28h 22mANA

Mon 8/911:15 p.m.SGN - YOW

2 stops33h 20mANA

Deal found 11/6C$ 1,081

Mon 20/106:05 a.m.YOW - SGN

2 stops28h 50mUnited Airlines

Mon 10/1111:05 p.m.SGN - YOW

2 stops47h 21mUnited Airlines

Deal found 11/6C$ 1,151

Thu 9/103:58 p.m.YUL - HAN

2 stops42h 52mJapan Airlines

Sun 9/1111:55 p.m.HAN - YUL

2 stops51h 00mJapan Airlines

Deal found 11/6C$ 1,315

Wed 20/81:35 a.m.YYZ - SGN

1 stop25h 55mMultiple Airlines

Mon 1/99:50 a.m.SGN - YYZ

2 stops38h 48mMultiple Airlines

Deal found 10/6C$ 1,344

Wed 10/96:30 p.m.YYZ - SGN

2 stops33h 00mPhilippine Airlines

Wed 29/109:30 a.m.SGN - YYZ

1 stop21h 30mPhilippine Airlines

Deal found 10/6C$ 1,345

Mon 8/98:25 a.m.YTZ - SGN

2 stops28h 50mAir Canada

Mon 22/97:00 a.m.SGN - YTZ

2 stops25h 34mAir Canada

Deal found 10/6C$ 1,352

Sun 13/77:15 a.m.YYZ - SGN

2 stops35h 10mAmerican Airlines

Sat 20/911:05 p.m.SGN - YYZ

2 stops33h 25mAmerican Airlines

Deal found 9/6C$ 1,367

Wed 26/117:45 p.m.YUL - SGN

1 stop23h 20mTurkish Airlines

Thu 26/38:45 a.m.SGN - YUL

1 stop45h 05mTurkish Airlines

Deal found 9/6C$ 1,380

Sat 5/76:45 a.m.YUL - HAN

2 stops44h 15mChina Eastern

Fri 11/72:20 a.m.HAN - YUL

2 stops33h 07mChina Eastern

Deal found 12/6C$ 1,403

Sun 2/117:00 a.m.YUL - HAN

2 stops40h 10mDelta

Wed 26/1112:20 p.m.HAN - YUL

2 stops35h 55mDelta

Deal found 11/6C$ 1,460

Wed 15/109:35 p.m.YUL - SGN

1 stop23h 05mQatar Airways

Tue 31/39:20 a.m.SGN - YUL

1 stop40h 25mQatar Airways

Deal found 11/6C$ 1,529

Sun 2/119:20 a.m.YUL - SGN

1 stop22h 15mEmirates

Sun 23/1111:55 p.m.SGN - YUL

1 stop43h 25mEmirates

Deal found 9/6C$ 1,560

Last-minute flights from Ontario to Vietnam
Discover last-minute flight deals from Ontario to Vietnam. Data last updated 12 June 2025 and is based on user searches.

Tue 17/66:30 a.m.YYZ - SGN

2 stops28h 25mUnited Airlines

Wed 9/711:15 p.m.SGN - YYZ

2 stops29h 19mUnited Airlines

Deal found 10/6C$ 1,411

Tue 17/65:00 p.m.YUL - HAN

1 stop26h 30mAir France

Tue 24/611:20 p.m.HAN - YUL

1 stop31h 50mAir France

Deal found 10/6C$ 1,628

Tue 17/64:05 p.m.YUL - HAN

2 stops43h 10mUnited Airlines

Tue 24/611:35 p.m.HAN - YUL

2 stops52h 51mUnited Airlines

Deal found 10/6C$ 1,738

Tue 17/67:00 a.m.YUL - SGN

2 stops43h 50mAmerican Airlines

Mon 7/78:00 p.m.SGN - YUL

2 stops38h 29mAmerican Airlines

Deal found 11/6C$ 1,754

Tue 17/66:15 a.m.YYZ - HAN

2 stops28h 45mAir Canada

Wed 23/76:30 p.m.HAN - YYZ

2 stops46h 30mAir Canada

Deal found 12/6C$ 1,757

Wed 18/68:10 a.m.YUL - SGN

2 stops29h 05mUnited Airlines

Sat 12/711:15 p.m.SGN - YUL

2 stops42h 44mUnited Airlines

Deal found 11/6C$ 1,419

Wed 18/68:15 a.m.YYZ - HAN

2 stops27h 00mUnited Airlines

Fri 18/711:35 p.m.HAN - YYZ

2 stops32h 09mUnited Airlines

Deal found 12/6C$ 1,545

Wed 18/64:25 p.m.YYZ - HAN

1 stop21h 55mChina Eastern

Fri 18/72:20 a.m.HAN - YYZ

1 stop23h 05mChina Eastern

Deal found 12/6C$ 1,585

Wed 18/611:30 p.m.YYZ - SGN

1 stop20h 55mAir France

Wed 25/69:25 a.m.SGN - YYZ

1 stop22h 30mAir France

Deal found 10/6C$ 1,617

Wed 18/67:00 p.m.YUL - SGN

1 stop25h 25mAir France

Wed 9/79:25 a.m.SGN - YUL

1 stop21h 45mAir France

Deal found 11/6C$ 1,622

Wed 18/65:00 p.m.YUL - SGN

1 stop27h 25mMultiple Airlines

Thu 10/78:45 a.m.SGN - YUL

2 stops43h 10mMultiple Airlines

Deal found 11/6C$ 1,824

Fri 20/610:05 a.m.YYZ - SGN

2 stops24h 50mMultiple Airlines

Tue 30/911:15 p.m.SGN - YYZ

2 stops25h 27mMultiple Airlines

Deal found 12/6C$ 1,627

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 12 June 2025.

Thu 28/86:15 a.m.YUL - HAN

2 stops29h 00mANA

Deal found 9/6C$ 652

Tue 30/96:15 a.m.YUL - SGN

2 stops31h 00mANA

Deal found 11/6C$ 654

Tue 7/107:40 a.m.YYZ - DAD

2 stops42h 05mMultiple Airlines

Deal found 10/6C$ 678

Wed 26/113:00 p.m.YUL - SGN

3 stops43h 55mUnited Airlines

Deal found 11/6C$ 686

Sun 13/76:45 a.m.YUL - DAD

3 stops39h 10mMultiple Airlines

Deal found 12/6C$ 712

Tue 15/78:10 a.m.YUL - SGN

2 stops38h 45mMultiple Airlines

Deal found 10/6C$ 736

Sat 26/76:30 a.m.YYZ - SGN

2 stops59h 55mJapan Airlines

Deal found 11/6C$ 772

Thu 2/107:45 p.m.YYZ - SGN

2 stops50h 55mChina Airlines

Deal found 10/6C$ 779

Fri 25/75:29 p.m.YUL - SGN

2 stops48h 56mJapan Airlines

Deal found 10/6C$ 800

Fri 11/75:29 p.m.YUL - SGN

2 stops48h 56mAmerican Airlines

Deal found 10/6C$ 804

Tue 9/127:40 p.m.YYZ - SGN

3 stops39h 15mUnited Airlines

Deal found 11/6C$ 808

Tue 15/77:00 a.m.YYZ - SGN

3 stops38h 30mMultiple Airlines

Deal found 9/6C$ 809

Cheapflights Fare Finder

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

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Mon 18/8

6:33 a.m.-9:55 p.m.

2 stops28h 22m

Ho Chi Minh City

Mon 8/9

11:15 p.m.-9:35 p.m.

2 stops33h 20m

C$ 1,081

OttawaHo Chi Minh City

YOW - SGN

YOWSGN

Ottawa

Mon 20/10

6:05 a.m.-9:55 p.m.

2 stops28h 50m

Ho Chi Minh City

Mon 10/11

11:05 p.m.-10:26 a.m.

2 stops47h 21m

C$ 1,151

MontrealHo Chi Minh City

YUL - SGN

YULSGN

Montreal Pierre Elliott Trudeau Intl

Thu 10/7

8:05 a.m.-9:55 p.m.

2 stops50h 50m

Ho Chi Minh City

Tue 22/7

11:15 p.m.-3:29 p.m.

2 stops51h 14m

C$ 1,308

MontrealHanoi

YUL - HAN

YULHAN

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

3:58 p.m.-9:50 p.m.

2 stops42h 52m

Hanoi Noibai

Sun 9/11

11:55 p.m.-2:55 p.m.

2 stops51h 00m

C$ 1,315

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Tue 4/11

9:00 a.m.-12:15 a.m.

2 stops27h 15m

Ho Chi Minh City

Mon 1/12

11:05 p.m.-5:05 p.m.

1 stop30h 00m

C$ 1,323

MontrealHanoi

YUL - HAN

YULHAN

Montreal Pierre Elliott Trudeau Intl

Wed 9/7

6:45 p.m.-10:15 p.m.

2 stops40h 30m

Hanoi Noibai

Thu 24/7

11:35 p.m.-4:20 p.m.

2 stops51h 45m

C$ 1,323

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Sun 5/10

9:00 a.m.-12:15 a.m.

2 stops28h 15m

Ho Chi Minh City

Fri 31/10

7:30 a.m.-7:45 p.m.

2 stops23h 15m

C$ 1,326

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Wed 17/9

1:35 a.m.-2:30 p.m.

1 stop25h 55m

Ho Chi Minh City

Wed 24/9

3:35 p.m.-6:13 a.m.

2 stops25h 38m

C$ 1,345

TorontoHo Chi Minh City

YTZ - SGN

YTZSGN

Toronto Island

Mon 8/9

8:25 a.m.-12:15 a.m.

2 stops28h 50m

Ho Chi Minh City

Mon 22/9

7:00 a.m.-9:34 p.m.

2 stops25h 34m

C$ 1,352

TorontoHo Chi Minh City

YYZ - SGN

YYZSGN

Toronto Pearson Intl

Thu 7/8

1:40 p.m.-10:45 p.m.

1 stop22h 05m

Ho Chi Minh City

Thu 2/10

7:00 a.m.-3:55 p.m.

1 stop19h 55m

C$ 1,352

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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, September is the cheapest month in which you can book a flight from Region of Ontario to Vietnam (average of C$ 1,024). Flying from Region of Ontario to Vietnam in December is currently the most expensive (average of C$ 1,380). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Vietnam as you normally would.

Rainfall in Vietnam by month

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.

Temperature in Vietnam by month

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).

Reviews of airlines servicing Vietnam

To help decide which airline to fly from Ontario to Vietnam, see what other customers have to say about EVA Air, Korean Air and Japan Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,490 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to Vietnam one-way?
The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as C$ 652. However, be on the lookout for offers from United Airlines 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, September is the cheapest month in which you can book a flight from Region of Ontario to Vietnam (average of C$ 1,024). Flying from Region of Ontario to Vietnam in December is currently the most expensive (average of C$ 1,380). 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
Delta	CheapestC$ 1,092	AverageC$ 1,885	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
ANA	CheapestC$ 1,123	AverageC$ 1,446	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Japan Airlines	CheapestC$ 1,155	AverageC$ 1,387	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
United Airlines	CheapestC$ 1,158	AverageC$ 1,557	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Qatar Airways	CheapestC$ 1,172	AverageC$ 1,680	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
American Airlines	CheapestC$ 1,246	AverageC$ 1,381	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Turkish Airlines	CheapestC$ 1,253	AverageC$ 1,410	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
China Airlines	CheapestC$ 1,273	AverageC$ 2,007	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
China Eastern	CheapestC$ 1,281	AverageC$ 1,564	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air Canada	CheapestC$ 1,291	AverageC$ 1,726	FlexibilityNo cancel fee	On-time67%	Search Air Canada 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!

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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$ 645

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 12 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 12 June 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 12 June 2025.

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 12 June 2025.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

Reviews of airlines servicing Vietnam

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.

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?

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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 12 June 2025.