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$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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
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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 noviembre 13, 2025.

This FlightHub deal was found by Cheapflights users on 11/11. 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.
dom. 12/1411:00 amSGN - ONT
1 stop20h 50mChina Airlines
mié. 12/2410:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/11$761
This Trip.com deal was found by Cheapflights users on 11/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1111:00 amSGN - ONT
1 stop20h 50mChina Airlines
mié. 12/2410:50 pmONT - SGN
1 stop20h 10mChina Airlines
Deal found 11/11$764
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1211:00 amSGN - ONT
1 stop20h 50mChina Airlines
dom. 1/1110:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/12$768
This oojo deal was found by Cheapflights users on 11/13. 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.
mié. 12/1711:40 amSGN - ONT
1 stop19h 10mSTARLUX Airlines
mié. 1/79:45 pmONT - SGN
1 stop21h 45mSTARLUX Airlines
Deal found 11/13$774
This flugladen.de deal was found by Cheapflights users on 11/13. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2611:35 amHAN - ONT
1 stop20h 15mChina Airlines
dom. 1/1110:50 pmONT - HAN
1 stop26h 40mChina Airlines
Deal found 11/13$780
This oojo deal was found by Cheapflights users on 11/12. 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.
jue. 11/1311:00 amSGN - ONT
1 stop20h 50mChina Airlines
jue. 11/2710:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/12$800
This China Airlines deal was found by Cheapflights users on 11/10. 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.
dom. 12/2111:00 amSGN - ONT
1 stop20h 50mChina Airlines
mar. 12/3010:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/10$802
This China Airlines deal was found by Cheapflights users on 11/11. 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.
sáb. 12/2711:00 amSGN - ONT
1 stop20h 50mChina Airlines
jue. 2/510:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/11$804
This China Airlines deal was found by Cheapflights users on 11/11. 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.
sáb. 12/2711:00 amSGN - ONT
1 stop20h 50mChina Airlines
dom. 2/110:50 pmONT - SGN
1 stop27h 00mChina Airlines
Deal found 11/11$810
This STARLUX Airlines deal was found by Cheapflights users on 11/13. 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.
mié. 12/311:40 amSGN - ONT
1 stop19h 10mSTARLUX Airlines
mié. 1/79:45 pmONT - SGN
1 stop21h 45mSTARLUX Airlines
Deal found 11/13$811
This STARLUX Airlines deal was found by Cheapflights users on 11/12. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/205:50 pmSGN - ONT
1 stop37h 00mSTARLUX Airlines
mié. 1/219:45 pmONT - SGN
1 stop28h 00mSTARLUX Airlines
Deal found 11/12$812
This Trip.com deal was found by Cheapflights users on 11/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1111:00 amSGN - ONT
1 stop20h 50mChina Airlines
mar. 12/2310:50 pmONT - SGN
1 stop20h 10mChina Airlines
Deal found 11/10$818

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 noviembre 13, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$731
(oojo)

One-way from

$454
(oojo)

Popular in

January

Cheapest in

September

Average price

$787
Provider with most accurate pricing for Ho Chi Minh City-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ho Chi Minh City-Los Angeles flights.
Search Deals
From Vietnam to Ontario
Search Deals
One-way flight from Vietnam to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 13, 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

vie. 12/12

11:00 am-4:50 pm

1 stop20h 50m

Ontario

dom. 1/11

10:50 pm-4:50 pm

1 stop27h 00m

$768

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 1/29

11:00 am-4:50 pm

1 stop20h 50m

Ontario

jue. 2/5

10:50 pm-4:50 pm

1 stop27h 00m

$769

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mié. 1/28

5:50 pm-4:50 pm

1 stop38h 00m

Ontario

jue. 2/5

10:50 pm-4:50 pm

1 stop27h 00m

$769

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

lun. 1/26

11:00 am-4:50 pm

1 stop20h 50m

Ontario

dom. 3/15

11:50 pm-10:00 am

1 stop20h 10m

$772

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

sáb. 2/7

11:40 am-3:50 pm

1 stop19h 10m

Ontario

vie. 2/27

9:45 pm-4:45 pm

1 stop28h 00m

$774

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

vie. 1/30

11:00 am-4:50 pm

1 stop20h 50m

Ontario

sáb. 2/7

10:50 pm-4:50 pm

1 stop27h 00m

$774

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 3/19

5:50 pm-5:50 pm

1 stop38h 00m

Ontario

lun. 3/23

11:50 pm-10:00 am

1 stop20h 10m

$794

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 1/20

11:00 am-4:50 pm

1 stop20h 50m

Ontario

sáb. 7/11

12:45 am-4:20 pm

1 stop25h 35m

$796

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 1/20

11:00 am-4:50 pm

1 stop20h 50m

Ontario

mié. 7/15

12:45 am-4:20 pm

1 stop25h 35m

$796

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mié. 1/14

11:00 am-4:50 pm

1 stop20h 50m

Ontario

jue. 3/5

10:50 pm-4:50 pm

1 stop27h 00m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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, September is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $531). Flying from Vietnam to Ontario in July is currently the most expensive (average of $753). 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 noviembre 13, 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
8.9
Very good
227 reviews

Comfort

8.9

Overall

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Entertainment

8.8

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
227 reviews
STARLUX Airlines
8.9
Very good
227 reviews

Comfort

8.9

Overall

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Entertainment

8.8

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
China Airlines
8.3
Very good
778 reviews
STARLUX Airlines
8.9
Very good
227 reviews

Comfort

8.9

Overall

8.9

Crew

9.2

Boarding

8.9

Food

8.7

Entertainment

8.8

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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.

  • How long is the flight from Vietnam to Ontario?

    A quick flight from Vietnam to Ontario can take about 20h 50m. China Airlines provides one of the quickest options available for as low as $768. Airlines will cover a distance of 8184 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $456. Users have also found prices from $478 and $554 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, September is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $531). Flying from Vietnam to Ontario in July is currently the most expensive (average of $753). 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.

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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 noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$757Average$840FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$774Average$794FlexibilityNo cancel feeOn-timeN/A

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