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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
mar. 15 — mar. 221
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Cheap 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 febrero 13, 2026.

This oojo deal was found by Cheapflights users on 2/12. 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.
vie. 6/195:30 pm
SGN
-
ONT
1 stop38h 30m
China Airlines
vie. 7/1012:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 2/12$700
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/211:30 am
SGN
-
ONT
1 stop19h 35m
STARLUX Airlines
sáb. 6/611:10 pm
ONT
-
SGN
1 stop27h 45m
STARLUX Airlines
Deal found 2/11$738
This Trip.com deal was found by Cheapflights users on 2/11. 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.
lun. 7/610:50 am
SGN
-
ONT
1 stop21h 50m
China Airlines
jue. 7/912:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 2/11$741
This Trip.com deal was found by Cheapflights users on 2/9. 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.
mar. 3/1711:00 am
SGN
-
ONT
1 stop20h 50m
China Airlines
mar. 3/2411:50 pm
ONT
-
SGN
1 stop20h 10m
China Airlines
Deal found 2/9$742
This Trip.com deal was found by Cheapflights users on 2/9. 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.
sáb. 4/2510:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
sáb. 5/212:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 2/9$743
This iWofly deal was found by Cheapflights users on 2/12. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/306:05 pm
SGN
-
ONT
1 stop37h 00m
STARLUX Airlines
sáb. 5/911:10 pm
ONT
-
SGN
1 stop21h 05m
STARLUX Airlines
Deal found 2/12$744
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/2511:00 am
SGN
-
ONT
1 stop20h 50m
China Airlines
sáb. 4/1112:10 am
ONT
-
SGN
1 stop26h 10m
China Airlines
Deal found 2/10$750
This China Airlines deal was found by Cheapflights users on 2/11. 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.
jue. 4/2310:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
mar. 4/2812:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 2/11$761
This China Airlines deal was found by Cheapflights users on 2/9. 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.
jue. 4/2310:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
lun. 5/412:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 2/9$762
This China Airlines deal was found by Cheapflights users on 2/9. 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.
mar. 10/2711:35 am
HAN
-
ONT
1 stop20h 15m
China Airlines
sáb. 10/3111:50 pm
ONT
-
HAN
1 stop20h 45m
China Airlines
Deal found 2/9$839
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/2711:20 am
HAN
-
ONT
1 stop20h 30m
Multiple Airlines
vie. 4/311:10 pm
ONT
-
HAN
1 stop21h 00m
Multiple Airlines
Deal found 2/10$1,095
This United Airlines deal was found by Cheapflights users on 2/9. 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.
lun. 10/2612:25 am
HAN
-
ONT
2 stops36h 41m
United Airlines
sáb. 10/311:00 pm
ONT
-
HAN
2 stops44h 05m
United Airlines
Deal found 2/9$1,132

Find flight deals from Vietnam to Ontario

Keep the following information in mind while searching for Vietnam to Ontario flight deals. Data was last updated febrero 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$700
(oojo)

One-way from

$466
(oojo)

Popular in

August

Cheapest in

December

Average price

$807
Provider with most accurate pricing for Ho Chi Minh City-Los Angeles flight deals.
Provider most trusted by Cheapflights users for Ho Chi Minh City-Los Angeles flights.
From Vietnam to Ontario
One-way flight from Vietnam to Ontario
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 febrero 13, 2026.
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

mar. 3/17

11:00 am-5:50 pm

1 stop20h 50m

Ontario

mar. 3/24

11:50 pm-10:00 am

1 stop20h 10m

$742

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 4/23

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

sáb. 5/2

12:10 am-9:40 am

1 stop19h 30m

$761

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 4/23

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

mié. 4/29

12:10 am-4:20 pm

1 stop26h 10m

$761

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 4/23

10:50 am-6:00 pm

1 stop21h 10m

Ontario

mar. 4/28

12:10 am-9:40 am

1 stop19h 30m

$761

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 4/23

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

dom. 5/17

12:10 am-4:20 pm

1 stop26h 10m

$784

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

dom. 4/19

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

dom. 4/26

12:10 am-9:40 am

1 stop19h 30m

$784

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mié. 4/22

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

dom. 5/17

12:10 am-9:40 am

1 stop19h 30m

$784

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

sáb. 4/18

10:50 am-6:00 pm

1 stop21h 10m

Ontario

mié. 4/29

12:10 am-9:40 am

1 stop19h 30m

$784

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 4/21

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

vie. 5/22

12:10 am-4:20 pm

1 stop26h 10m

$784

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 3/17

11:00 am-5:50 pm

1 stop20h 50m

Ontario

mar. 3/24

6:00 am-10:25 pm

2 stops26h 25m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 44 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, November is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $380). 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 febrero 13, 2026.
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.

Overall

8.9

Entertainment

8.8

Food

8.7

Boarding

8.9

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Overall

8.9

Entertainment

8.8

Food

8.7

Boarding

8.9

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Overall

8.9

Entertainment

8.8

Food

8.7

Boarding

8.9

Comfort

8.9

Crew

9.2

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 19h 55m. China Airlines provides one of the quickest options available for as low as $1,152. Airlines will cover a distance of 7664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, November is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $380). 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.

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.

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 febrero 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$754Average$831FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$774Average$801FlexibilityNo cancel feeOn-timeN/A

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