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Ontario

$454+ Cheap flights from Vietnam to Ontario (ONT)

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Vietnam to Ontario

Keep the following information in mind while searching for Vietnam to Ontario flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$767
(oojo)

One-way from

$454
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$824
Provider with most accurate pricing for Ho Chi Minh City-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Ho Chi Minh City-Los Angeles flights.
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From Vietnam to Ontario
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One-way flight from Vietnam to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Vietnam to Ontario

Cheapest flights from Vietnam to Ontario
Explore the most affordable flight options available from Vietnam to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:25 pmSGN - ONT
1 stop37h 15mSTARLUX Airlines
Mon 7/2811:45 pmONT - SGN
1 stop27h 30mSTARLUX Airlines
Deal found 4/30$767
This Booking.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/55:50 pmHAN - ONT
1 stop37h 15mSTARLUX Airlines
Sat 6/2111:10 pmONT - HAN
1 stop21h 00mSTARLUX Airlines
Deal found 4/30$768
This China Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:30 pmSGN - ONT
1 stop38h 30mChina Airlines
Wed 10/2911:45 pmONT - SGN
1 stop27h 05mChina Airlines
Deal found 4/30$776
This China Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:50 pmHAN - ONT
1 stop38h 50mChina Airlines
Sat 8/1612:45 amONT - HAN
1 stop26h 05mChina Airlines
Deal found 5/1$900
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:15 pmSGN - ONT
2 stops32h 17mUnited Airlines
Sun 10/266:00 amONT - SGN
2 stops49h 50mUnited Airlines
Deal found 4/30$919
This Agoda.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:50 amSGN - ONT
1 stop21h 10mMultiple Airlines
Fri 10/317:00 amONT - SGN
2 stops25h 15mMultiple Airlines
Deal found 4/30$951
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:35 pmHAN - ONT
2 stops28h 50mUnited Airlines
Fri 5/166:00 amONT - HAN
2 stops26h 15mUnited Airlines
Deal found 5/1$1,083
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:35 amHAN - ONT
1 stop20h 25mMultiple Airlines
Fri 5/168:24 amONT - HAN
2 stops39h 11mMultiple Airlines
Deal found 4/30$1,189
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:35 amSGN - ONT
2 stops24h 45mDelta
Sun 11/307:00 amONT - SGN
2 stops24h 15mDelta
Deal found 4/30$1,566
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:00 pmSGN - ONT
2 stops42h 13mQatar Airways
Thu 10/911:30 amONT - SGN
2 stops30h 10mQatar Airways
Deal found 5/1$1,735
This Qatar Airways deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:30 pmHAN - ONT
2 stops32h 09mQatar Airways
Sun 8/1712:00 pmONT - HAN
2 stops29h 15mQatar Airways
Deal found 5/1$2,878
This Booking.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:30 pmHAN - ONT
3 stops35h 04mAir Canada
Fri 5/166:00 amONT - HAN
3 stops26h 00mAir Canada
Deal found 5/1$3,337

Cheapflights Fare Finder

Customize your flight search to find flights from Vietnam to Ontario 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Vietnam to Ontario that are best for you.

Fly from

Vietnam

Fly to

Ontario

Route

Depart

Return

Price

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 7/8

6:25 pm-5:40 pm

1 stop37h 15m

Ontario

Mon 7/28

11:45 pm-5:15 pm

1 stop27h 30m

$767

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 6/5

5:50 pm-5:05 pm

1 stop37h 15m

Ontario

Sat 6/21

11:10 pm-10:10 am

1 stop21h 00m

$768

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 10/1

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Wed 10/29

11:45 pm-4:50 pm

1 stop27h 05m

$776

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Tue 8/12

5:50 pm-6:40 pm

1 stop38h 50m

Ontario

Sat 8/16

12:45 am-4:50 pm

1 stop26h 05m

$900

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sun 9/28

11:15 pm-5:32 pm

2 stops32h 17m

Ontario

Sun 10/26

6:00 am-9:50 pm

2 stops49h 50m

$919

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 10/7

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Fri 10/31

7:00 am-10:15 pm

2 stops25h 15m

$951

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 6/16

11:35 pm-5:39 pm

2 stops32h 04m

Ontario

Mon 6/30

6:10 am-10:15 pm

2 stops26h 05m

$1,284

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 5/23

7:35 am-6:20 pm

2 stops24h 45m

Ontario

Sun 11/30

7:00 am-10:15 pm

2 stops24h 15m

$1,566

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 6/18

8:00 pm-12:13 am

2 stops42h 13m

Ontario

Thu 10/9

11:30 am-7:40 am

2 stops30h 10m

$1,735

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Tue 8/12

7:30 pm-1:39 pm

2 stops32h 09m

Ontario

Sun 8/17

12:00 pm-7:15 am

2 stops29h 15m

$2,878

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 27 results
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Best time to book a flight from Vietnam to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Vietnam 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 Vietnam to Ontario

What is the cheapest month to book a flight from Vietnam to Ontario?

Currently, August is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $246). Flying from Vietnam to Ontario in March is currently the most expensive (average of $328). 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 VN to ONT?

Find hourly flight availability from Vietnam to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 1, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Vietnam to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
162 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
162 reviews

Overall

9.1

Boarding

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Vietnam to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Vietnam. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $458. Users have also found prices from $474 and $538 on STARLUX Airlines and United Airlines, respectively.

  • Can I find deals for flights from Vietnam to Ontario that include hotel bookings?

    Yes. In addition to deals on Vietnam to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Vietnam to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to Ontario.

  • Can I find deals for business class flights from Vietnam to Ontario?

    Yes. Cheapflights offers flight deals from Vietnam to Ontario 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 Vietnam to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $246). Flying from Vietnam to Ontario in March is currently the most expensive (average of $328). 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 Vietnam to Ontario

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

Discover the top airline that operate flights from Vietnam to Ontario. 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$769Average$846FlexibilityNo cancel feeOn-time70%

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