How long is the flight from Ontario to Vietnam?

For as low as $655, Korean Air can have you in Vietnam from Ontario in 25h 45m. There are 7664 mi between Ontario and Vietnam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

$338 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Korean Air and China Airlines, with prices starting from $362 and $390, respectively.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

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 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

What are the most popular routes from Ontario to Vietnam?

The most popular route from Ontario to Vietnam is Ontario - Ho Chi Minh City. You may also consider Ontario - Hanoi Noibai or Ontario - Da Nang.

What are the most popular airlines that fly from Ontario to Vietnam?

Before booking your flight from Ontario to Vietnam check out the most popular airlines for this route: China Airlines, STARLUX Airlines or Korean Air.

What airport do you fly from for flights from Ontario to Vietnam?

Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Vietnam. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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.

$338+ Flights from Ontario to Vietnam

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Ontario to Vietnam

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$655 (Korean Air)
One-way from	$338 (Delta)
Popular in	June
Cheapest in	September
Average price	$736

Provider with most accurate pricing for Los Angeles-Ho Chi Minh City flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Ho Chi Minh City flights.

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From Ontario to Vietnam

Search Deals

One-way flight from Ontario to Vietnam

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($253 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in November 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 November 25, 2025.

Sat 11/2910:50 pmONT - HAN

1 stop26h 40mChina Airlines

Thu 12/1111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$704

Thu 11/2710:50 pmONT - HAN

1 stop20h 45mChina Airlines

Tue 1/2011:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$705

Sun 11/3010:50 pmONT - HAN

1 stop26h 40mChina Airlines

Tue 12/1611:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$717

Sat 11/2910:50 pmONT - SGN

1 stop27h 00mChina Airlines

Mon 12/2211:00 amSGN - ONT

1 stop20h 50mChina Airlines

Deal found 11/25

$720

Thu 11/2710:50 pmONT - HAN

1 stop26h 40mChina Airlines

Wed 1/2111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$725

Tue 11/2510:50 pmONT - SGN

1 stop27h 00mChina Airlines

Sat 12/205:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/24

$727

Sun 11/3010:50 pmONT - HAN

1 stop20h 45mChina Airlines

Wed 1/2111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$730

Sun 11/3010:50 pmONT - SGN

1 stop27h 00mChina Airlines

Fri 12/55:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/24

$738

Fri 11/2810:50 pmONT - HAN

1 stop20h 45mChina Airlines

Tue 1/2011:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$747

Sun 11/306:00 amONT - SGN

2 stops25h 55mUnited Airlines

Fri 12/56:00 amSGN - ONT

2 stops21h 18mUnited Airlines

Deal found 11/24

$748

Sun 11/3010:50 pmONT - SGN

1 stop27h 00mChina Airlines

Mon 12/155:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/25

$749

Thu 11/2710:50 pmONT - SGN

1 stop27h 00mChina Airlines

Tue 12/1611:00 amSGN - ONT

1 stop20h 50mChina Airlines

Deal found 11/25

$752

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 November 25, 2025.

Mon 3/166:00 amONT - HAN

2 stops25h 45mKorean Air

Wed 3/1811:05 pmHAN - ONT

2 stops32h 08mKorean Air

Deal found 11/23

$655

Wed 4/812:10 amONT - DAD

1 stop26h 25mChina Airlines

Fri 4/245:35 pmDAD - ONT

1 stop38h 25mChina Airlines

Deal found 11/25

$701

Sat 4/257:00 amONT - DAD

2 stops40h 40mDelta

Wed 5/610:55 pmDAD - ONT

2 stops38h 49mDelta

Deal found 11/25

$745

Mon 1/266:00 amONT - SGN

2 stops25h 55mUnited Airlines

Sun 2/86:00 amSGN - ONT

2 stops20h 18mUnited Airlines

Deal found 11/23

$748

Thu 3/510:50 pmONT - HAN

1 stop26h 40mChina Airlines

Wed 3/2511:20 amHAN - ONT

1 stop20h 30mChina Airlines

Deal found 11/25

$706

Sat 4/257:00 amONT - DAD

2 stops40h 40mDelta

Thu 5/710:55 pmDAD - ONT

2 stops38h 49mDelta

Deal found 11/25

$745

Tue 1/136:00 amONT - SGN

2 stops25h 55mUnited Airlines

Fri 1/236:00 amSGN - ONT

2 stops31h 53mUnited Airlines

Deal found 11/24

$748

Sun 4/267:00 amONT - DAD

2 stops24h 05mKorean Air

Thu 5/710:55 pmDAD - ONT

2 stops37h 45mKorean Air

Deal found 11/25

$750

Sun 1/1810:50 pmONT - DAD

1 stop26h 35mChina Airlines

Wed 1/2810:20 amDAD - ONT

1 stop21h 30mChina Airlines

Deal found 11/25

$735

Wed 1/146:00 amONT - SGN

2 stops25h 55mUnited Airlines

Wed 2/46:00 amSGN - ONT

2 stops31h 53mUnited Airlines

Deal found 11/23

$748

Wed 2/187:30 amONT - SGN

2 stops24h 50mDelta

Wed 3/118:00 amSGN - ONT

2 stops28h 33mDelta

Deal found 11/23

$748

Fri 3/276:00 amONT - HAN

2 stops25h 45mKorean Air

Tue 4/711:10 pmHAN - ONT

2 stops32h 03mKorean Air

Deal found 11/24

$788

Fri 1/166:00 amONT - SGN

2 stops25h 55mUnited Airlines

Sun 2/86:00 amSGN - ONT

2 stops20h 18mUnited Airlines

Deal found 11/23

$748

Sat 4/2512:10 amONT - DAD

1 stop26h 25mChina Airlines

Thu 5/79:50 amDAD - ONT

1 stop22h 10mChina Airlines

Deal found 11/25

$760

Thu 3/266:00 amONT - HAN

2 stops25h 45mKorean Air

Wed 4/811:10 pmHAN - ONT

2 stops37h 24mKorean Air

Deal found 11/24

$797

Tue 1/206:00 amONT - SGN

2 stops25h 55mUnited Airlines

Mon 2/26:00 amSGN - ONT

2 stops31h 53mUnited Airlines

Deal found 11/24

$748

Sat 4/2512:10 amONT - DAD

1 stop26h 25mChina Airlines

Wed 5/69:50 amDAD - ONT

1 stop22h 10mChina Airlines

Deal found 11/25

$760

Tue 1/136:00 amONT - SGN

2 stops25h 55mUnited Airlines

Tue 1/206:00 amSGN - ONT

2 stops31h 53mUnited Airlines

Deal found 11/23

$748

Wed 4/2912:10 amONT - DAD

1 stop26h 25mChina Airlines

Fri 5/85:35 pmDAD - ONT

1 stop38h 25mChina Airlines

Deal found 11/25

$760

Fri 11/286:00 amONT - SGN

2 stops25h 55mUnited Airlines

Sat 12/66:00 amSGN - ONT

2 stops26h 37mUnited Airlines

Deal found 11/24

$748

Sun 4/2612:10 amONT - DAD

1 stop26h 25mChina Airlines

Sun 5/35:35 pmDAD - ONT

1 stop38h 25mChina Airlines

Deal found 11/25

$760

Mon 2/236:00 amONT - SGN

2 stops25h 55mUnited Airlines

Mon 4/67:00 amSGN - ONT

2 stops24h 47mUnited Airlines

Deal found 11/23

$748

Fri 4/2412:10 amONT - DAD

1 stop26h 25mChina Airlines

Tue 5/55:35 pmDAD - ONT

1 stop38h 25mChina Airlines

Deal found 11/25

$760

Tue 1/206:00 amONT - SGN

2 stops25h 55mUnited Airlines

Fri 1/306:00 amSGN - ONT

2 stops20h 18mUnited Airlines

Deal found 11/23

$748

Sat 4/2512:10 amONT - DAD

1 stop26h 25mChina Airlines

Sat 5/99:50 amDAD - ONT

1 stop22h 10mChina Airlines

Deal found 11/25

$760

Fri 11/286:00 amONT - SGN

2 stops25h 55mUnited Airlines

Fri 12/126:00 amSGN - ONT

2 stops31h 49mUnited Airlines

Deal found 11/24

$748

Thu 4/3012:10 amONT - DAD

1 stop18h 40mChina Airlines

Wed 5/69:50 amDAD - ONT

1 stop22h 10mChina Airlines

Deal found 11/25

$760

Sun 1/111:53 pmONT - SGN

2 stops42h 02mUnited Airlines

Sun 1/256:00 amSGN - ONT

2 stops31h 53mUnited Airlines

Deal found 11/23

$748

Mon 3/3012:10 amONT - HAN

1 stop26h 40mChina Airlines

Fri 4/1011:35 amHAN - ONT

1 stop20h 25mChina Airlines

Deal found 11/24

$765

Fri 3/2711:50 pmONT - HAN

1 stop27h 00mChina Airlines

Thu 4/95:50 pmHAN - ONT

1 stop38h 10mChina Airlines

Deal found 11/24

$765

Last-minute flights from Ontario to Vietnam
Discover last-minute flight deals from Ontario to Vietnam. Data last updated November 25, 2025 and is based on user searches.

Tue 11/2510:50 pmONT - SGN

1 stop27h 00mChina Airlines

Sat 12/205:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/24

$727

Thu 11/2710:50 pmONT - HAN

1 stop20h 45mChina Airlines

Tue 1/2011:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$705

Thu 11/2710:50 pmONT - HAN

1 stop26h 40mChina Airlines

Wed 1/2111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$725

Thu 11/2710:50 pmONT - SGN

1 stop27h 00mChina Airlines

Thu 12/1111:00 amSGN - ONT

1 stop20h 50mChina Airlines

Deal found 11/25

$752

Fri 11/2810:50 pmONT - HAN

1 stop20h 45mChina Airlines

Tue 1/2011:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$747

Sat 11/2910:50 pmONT - HAN

1 stop26h 40mChina Airlines

Thu 12/1111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$704

Sat 11/2910:50 pmONT - SGN

1 stop27h 00mChina Airlines

Sat 12/1311:00 amSGN - ONT

1 stop20h 50mChina Airlines

Deal found 11/25

$720

Sun 11/3010:50 pmONT - HAN

1 stop26h 40mChina Airlines

Tue 12/1611:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$717

Sun 11/3010:50 pmONT - HAN

1 stop20h 45mChina Airlines

Wed 1/2111:35 amHAN - ONT

1 stop20h 15mChina Airlines

Deal found 11/24

$730

Sun 11/3010:50 pmONT - SGN

1 stop27h 00mChina Airlines

Fri 12/55:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/24

$738

Sun 11/306:00 amONT - SGN

2 stops25h 55mUnited Airlines

Fri 12/56:00 amSGN - ONT

2 stops21h 18mUnited Airlines

Deal found 11/24

$748

Sun 11/3010:50 pmONT - SGN

1 stop27h 00mChina Airlines

Mon 12/155:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Deal found 11/25

$749

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 November 25, 2025.

Thu 1/227:30 amONT - SGN

2 stops24h 50mDelta

Deal found 11/22

$338

Thu 1/226:00 amONT - HAN

2 stops38h 10mDelta

Deal found 11/25

$338

Fri 1/237:30 amONT - SGN

2 stops24h 50mDelta

Deal found 11/22

$339

Tue 5/57:00 amONT - HAN

2 stops24h 35mKorean Air

Deal found 11/24

$362

Sat 11/2910:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 11/24

$379

Tue 1/203:30 pmONT - HAN

2 stops52h 40mDelta

Deal found 11/25

$380

Mon 4/207:00 amONT - DAD

2 stops24h 05mDelta

Deal found 11/25

$388

Sun 11/3010:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 11/25

$389

Sun 3/86:00 amONT - DAD

2 stops42h 15mDelta

Deal found 11/25

$389

Sun 1/2510:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 11/25

$390

Mon 3/96:00 amONT - DAD

2 stops25h 30mKorean Air

Deal found 11/25

$390

Sat 4/187:00 amONT - DAD

2 stops24h 05mKorean Air

Deal found 11/24

$391

Fly from

Fly to

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 3/16

6:00 am-9:45 pm

2 stops25h 45m

Hanoi Noibai

Wed 3/18

11:05 pm-5:13 pm

2 stops32h 08m

$655

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Wed 4/8

12:10 am-4:35 pm

1 stop26h 25m

Da Nang

Fri 4/24

5:35 pm-6:00 pm

1 stop38h 25m

$701

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Thu 3/5

10:50 pm-4:30 pm

1 stop26h 40m

Hanoi Noibai

Wed 3/25

11:20 am-5:50 pm

1 stop20h 30m

$706

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sun 1/18

10:50 pm-4:25 pm

1 stop26h 35m

Da Nang

Wed 1/28

10:20 am-4:50 pm

1 stop21h 30m

$735

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sat 4/25

7:00 am-1:40 pm

2 stops40h 40m

Da Nang

Wed 5/6

10:55 pm-11:44 pm

2 stops38h 49m

$745

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Sat 4/25

7:00 am-1:40 pm

2 stops40h 40m

Da Nang

Thu 5/7

10:55 pm-11:44 pm

2 stops38h 49m

$745

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 1/26

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Sun 2/8

6:00 am-11:18 am

2 stops20h 18m

$748

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 1/13

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Fri 1/23

6:00 am-10:53 pm

2 stops31h 53m

$748

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Wed 1/14

6:00 am-10:55 pm

2 stops25h 55m

Ho Chi Minh City

Wed 2/4

6:00 am-10:53 pm

2 stops31h 53m

$748

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Wed 2/18

7:30 am-11:20 pm

2 stops24h 50m

Ho Chi Minh City

Wed 3/11

8:00 am-10:33 pm

2 stops28h 33m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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 Ontario to Vietnam?

Currently, April is the cheapest month in which you can book a flight from Ontario to Vietnam (average of $304). Flying from Ontario to Vietnam in July is currently the most expensive (average of $789). 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 ONT to VN?

It’s optimal to fly from Ontario to Vietnam at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Vietnam

See what other customers who have flown with STARLUX Airlines, Korean Air, and China Airlines from Ontario to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

8.9

Very good

235 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very good

235 reviews

STARLUX Airlines

8.9

Very good

235 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Korean Air

8.4

Very good

1,170 reviews

STARLUX Airlines

8.9

Very good

235 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

China Airlines

8.3

Very good

782 reviews

STARLUX Airlines

8.9

Very good

235 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Asiana Airlines

8.2

Very good

490 reviews

STARLUX Airlines

8.9

Very good

235 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

What airport do you fly from for flights from Ontario to Vietnam?
Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Vietnam. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.
How long is the flight from Ontario to Vietnam?
For as low as $655, Korean Air can have you in Vietnam from Ontario in 25h 45m. There are 7664 mi between Ontario and Vietnam. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Ontario to Vietnam one-way?
$338 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Korean Air and China Airlines, with prices starting from $362 and $390, respectively.
What are the most popular routes from Ontario to Vietnam?
The most popular route from Ontario to Vietnam is Ontario - Ho Chi Minh City. You may also consider Ontario - Hanoi Noibai or Ontario - Da Nang.
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 Ontario to Vietnam?
Currently, April is the cheapest month in which you can book a flight from Ontario to Vietnam (average of $304). Flying from Ontario to Vietnam in July is currently the most expensive (average of $789). 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

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Top 4 airlines flying from Ontario to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Asiana Airlines	Cheapest$640	Average$882	FlexibilityNo cancel fee	On-time76%
Korean Air	Cheapest$710	Average$832	FlexibilityNo cancel fee	On-time81%
China Airlines	Cheapest$716	Average$897	FlexibilityNo cancel fee	On-time70%
STARLUX Airlines	Cheapest$756	Average$927	FlexibilityNo cancel fee	On-timeN/A

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$338+ Cheap flights from Ontario (ONT) to Vietnam

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Vietnam with Cheapflights

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3. Compare prices and book

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 November 25, 2025.

Most accurate provider

Most trusted provider

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 November 25, 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 November 25, 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 Ontario to Vietnam?

What is the cheapest time of day to fly from ONT 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 November 25, 2025.

Reviews of airlines servicing Vietnam

See what other customers who have flown with STARLUX Airlines, Korean Air, and China Airlines from Ontario to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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Top 4 airlines flying from Ontario to Vietnam

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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 November 25, 2025.