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Ontario

$466+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$749
(oojo)

One-way from

$466
(oojo)

Popular in

January

Cheapest in

June

Average price

$931
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. 5% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This oojo deal was found by Cheapflights users on 8/14. 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.
Thu 12/115:50 pmSGN - ONT
1 stop38h 00mChina Airlines
Sat 2/2810:50 pmONT - SGN
1 stop20h 10mChina Airlines
Deal found 8/14$749
This oojo deal was found by Cheapflights users on 8/13. 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 11/1111:00 amSGN - ONT
1 stop20h 50mChina Airlines
Fri 11/2810:50 pmONT - SGN
1 stop20h 10mChina Airlines
Deal found 8/13$751
This oojo deal was found by Cheapflights users on 8/14. 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 9/311:30 amSGN - ONT
1 stop19h 35mSTARLUX Airlines
Fri 9/2611:10 pmONT - SGN
1 stop21h 05mSTARLUX Airlines
Deal found 8/14$778
This oojo deal was found by Cheapflights users on 8/12. 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 8/2711:30 amSGN - ONT
1 stop20h 10mSTARLUX Airlines
Wed 9/1011:10 pmONT - SGN
1 stop21h 05mSTARLUX Airlines
Deal found 8/12$779
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:40 amSGN - ONT
1 stop19h 50mSTARLUX Airlines
Sat 1/39:45 pmONT - SGN
1 stop21h 45mSTARLUX Airlines
Deal found 8/13$780
This AloTrip deal was found by Cheapflights users on 8/13. 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 AloTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:00 amSGN - ONT
1 stop20h 50mChina Airlines
Fri 11/710:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 8/13$793
This China Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 12/15:50 pmSGN - ONT
1 stop38h 00mChina Airlines
Sun 1/410:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 8/13$795
This China Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 10/255:30 pmSGN - ONT
1 stop38h 20mChina Airlines
Fri 11/1410:50 pmONT - SGN
1 stop20h 10mChina Airlines
Deal found 8/14$796
This STARLUX Airlines deal was found by Cheapflights users on 8/13. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:50 pmSGN - ONT
1 stop37h 40mSTARLUX Airlines
Sat 1/39:45 pmONT - SGN
1 stop21h 45mSTARLUX Airlines
Deal found 8/13$815
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 11/2211:35 amHAN - ONT
1 stop20h 15mChina Airlines
Thu 11/2710:50 pmONT - HAN
1 stop20h 45mChina Airlines
Deal found 8/13$819
This China Airlines deal was found by Cheapflights users on 8/13. 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 8/265:30 pmSGN - ONT
1 stop39h 10mChina Airlines
Tue 9/912:45 amONT - SGN
1 stop25h 35mChina Airlines
Deal found 8/13$824
This China Airlines deal was found by Cheapflights users on 8/14. 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 9/210:50 amSGN - ONT
1 stop21h 50mChina Airlines
Tue 9/2312:10 amONT - SGN
1 stop26h 10mChina Airlines
Deal found 8/14$825

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 August 14, 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

Thu 12/11

5:50 pm-4:50 pm

1 stop38h 00m

Ontario

Sat 2/28

10:50 pm-10:00 am

1 stop20h 10m

$749

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 11/11

11:00 am-4:50 pm

1 stop20h 50m

Ontario

Fri 11/28

10:50 pm-10:00 am

1 stop20h 10m

$751

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 10/25

11:30 am-5:05 pm

1 stop19h 35m

Ontario

Fri 11/14

9:45 pm-10:30 am

1 stop21h 45m

$778

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sun 12/14

5:50 pm-4:30 pm

1 stop37h 40m

Ontario

Sat 1/3

9:45 pm-10:30 am

1 stop21h 45m

$778

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 9/3

11:30 am-5:05 pm

1 stop19h 35m

Ontario

Fri 9/26

11:10 pm-10:15 am

1 stop21h 05m

$778

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 10/9

6:25 pm-5:05 pm

1 stop36h 40m

Ontario

Mon 10/20

11:10 pm-5:15 pm

1 stop28h 05m

$779

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 12/2

5:55 pm-4:30 pm

1 stop37h 35m

Ontario

Fri 1/2

9:45 pm-10:30 am

1 stop21h 45m

$779

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 8/27

11:30 am-5:40 pm

1 stop20h 10m

Ontario

Wed 9/10

11:10 pm-10:15 am

1 stop21h 05m

$779

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 12/1

11:40 am-4:30 pm

1 stop19h 50m

Ontario

Sat 1/3

9:45 pm-10:30 am

1 stop21h 45m

$780

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 12/3

11:40 am-4:30 pm

1 stop19h 50m

Ontario

Fri 1/2

9:45 pm-10:30 am

1 stop21h 45m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 41 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.

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 August 14, 2025.
Read reviews from past customers who have flown STARLUX Airlines and China Airlines from Vietnam to Ontario. 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
9.0
Wonderful
204 reviews

Boarding

9.0

Entertainment

8.9

Comfort

8.9

Overall

9.0

Crew

9.3

Food

8.7

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
204 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Entertainment

8.9

Comfort

8.9

Overall

9.0

Crew

9.3

Food

8.7

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
762 reviews
STARLUX Airlines
9.0
Wonderful
204 reviews

Boarding

9.0

Entertainment

8.9

Comfort

8.9

Overall

9.0

Crew

9.3

Food

8.7

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • 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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Top 2 airlines flying from Vietnam to Ontario

Discover the top 2 airlines 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$774Average$780FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$821Average$869FlexibilityNo cancel feeOn-time70%

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