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Ontario

$510+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
1 adult, Economy
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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 May 12, 2026.

This Trip.com deal was found by Cheapflights users on 5/9. 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.
Fri 9/1811:30 am
SGN
-
ONT
1 stop19h 35m
STARLUX Airlines
Wed 9/2311:30 pm
ONT
-
SGN
1 stop20h 45m
STARLUX Airlines
Deal found 5/9$855
This Gotogate deal was found by Cheapflights users on 5/10. 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.
Sat 9/55:30 pm
SGN
-
ONT
1 stop39h 10m
China Airlines
Sun 9/612:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 5/10$856
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Tue 9/15:30 pm
SGN
-
ONT
1 stop39h 10m
China Airlines
Sun 9/2012:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 5/8$857
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Thu 10/15:30 pm
SGN
-
ONT
1 stop38h 30m
China Airlines
Tue 10/2012:10 am
ONT
-
SGN
1 stop26h 10m
China Airlines
Deal found 5/8$859
This oojo deal was found by Cheapflights users on 5/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
Fri 10/1612:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 5/9$866
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Sat 11/2111:00 am
SGN
-
ONT
1 stop20h 50m
China Airlines
Sun 12/1310:50 pm
ONT
-
SGN
1 stop20h 10m
China Airlines
Deal found 5/7$871
This CheapTickets deal was found by Cheapflights users on 5/8. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
Mon 6/2912:10 am
ONT
-
SGN
1 stop19h 30m
China Airlines
Deal found 5/8$872
This Trip.com deal was found by Cheapflights users on 5/8. 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.
Fri 5/2211:30 am
SGN
-
ONT
1 stop19h 35m
STARLUX Airlines
Wed 9/3011:30 pm
ONT
-
SGN
1 stop20h 45m
STARLUX Airlines
Deal found 5/8$879
This Trip.com deal was found by Cheapflights users on 5/8. 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.
Tue 6/96:05 pm
SGN
-
ONT
1 stop37h 00m
STARLUX Airlines
Wed 7/811:55 pm
ONT
-
SGN
1 stop27h 00m
STARLUX Airlines
Deal found 5/8$883
This Trip.com deal was found by Cheapflights users on 5/10. 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.
Fri 5/2210:50 am
SGN
-
ONT
1 stop21h 10m
China Airlines
Mon 9/712:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 5/10$897
This STARLUX Airlines deal was found by Cheapflights users on 5/11. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:10 am
HAN
-
ONT
1 stop19h 55m
STARLUX Airlines
Sat 6/2711:10 pm
ONT
-
HAN
1 stop21h 00m
STARLUX Airlines
Deal found 5/11$1,027
This China Airlines deal was found by Cheapflights users on 5/10. 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.
Thu 6/115:50 pm
HAN
-
ONT
1 stop38h 10m
China Airlines
Wed 6/2412:10 am
ONT
-
HAN
1 stop26h 40m
China Airlines
Deal found 5/10$1,038

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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$849
(Gotogate)

One-way from

$510
(Jetabroad)

Popular in

April

Cheapest in

December

Average price

$794
Provider with most accurate pricing for Ho Chi Minh City-Los Angeles Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ho Chi Minh City-Los Angeles 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. 7% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 12, 2026.
Use the filters below to find and compare flights from Vietnam to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 10/20

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Sat 10/24

11:50 pm-10:00 am

1 stop20h 10m

$904
Quickest round-trip

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 6/8

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Mon 6/22

12:10 am-9:40 am

1 stop19h 30m

$940

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 6/11

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Wed 6/24

12:10 am-4:20 pm

1 stop26h 10m

$940

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 10/20

11:15 pm-10:59 pm

2 stops37h 44m

Ontario

Sat 10/24

1:49 pm-10:55 pm

2 stops43h 06m

$999

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 9/18

7:00 am-6:11 pm

2 stops25h 11m

Ontario

Sat 10/17

6:05 am-10:05 pm

2 stops26h 00m

$1,011

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 9/18

7:00 am-6:11 pm

2 stops25h 11m

Ontario

Wed 9/23

6:00 am-10:05 pm

2 stops26h 05m

$1,012

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 6/12

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Mon 6/22

12:10 am-4:20 pm

1 stop26h 10m

$1,015

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/19

11:10 am-5:05 pm

1 stop19h 55m

Ontario

Sat 6/27

11:10 pm-10:10 am

1 stop21h 00m

$1,027

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 6/11

5:50 pm-6:00 pm

1 stop38h 10m

Ontario

Wed 6/24

12:10 am-4:50 pm

1 stop26h 40m

$1,038

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Tue 10/20

11:30 am-6:00 pm

1 stop20h 30m

Ontario

Sat 10/24

11:50 pm-4:30 pm

1 stop26h 40m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 39 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $700). Flying from Vietnam to Ontario in March is currently the most expensive (average of $835). 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 May 12, 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.
STARLUX Airlines
8.9
Very good
313 reviews

Crew

9.2

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
STARLUX Airlines
8.9
Very good
313 reviews
STARLUX Airlines
8.9
Very good
313 reviews

Crew

9.2

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
China Airlines
8.3
Very good
826 reviews
STARLUX Airlines
8.9
Very good
313 reviews

Crew

9.2

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

9.0

Comfort

8.9

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux 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 19h 55m. China Airlines provides one of the quickest options available for as low as $1,027. Airlines will cover a distance of 7664 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 STARLUX Airlines. According to our data, you can fly for as low as $452. Users have also found prices from $467 and $564 on China 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, June is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $700). Flying from Vietnam to Ontario in March is currently the most expensive (average of $835). 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 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$706Average$834FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$714Average$789FlexibilityNo cancel feeOn-timeN/A

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