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Ontario

$500+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
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 June 28, 2026.

This Trip.com deal was found by Cheapflights users on 6/23. 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 12/1111:40 am
SGN
-
ONT
1 stop19h 15m
STARLUX Airlines
Sat 12/269:45 pm
ONT
-
SGN
1 stop21h 45m
STARLUX Airlines
Deal found 6/23$868
This Trip.com deal was found by Cheapflights users on 6/26. 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.
Mon 12/2111:40 am
SGN
-
ONT
1 stop19h 15m
STARLUX Airlines
Wed 12/309:45 pm
ONT
-
SGN
1 stop21h 45m
STARLUX Airlines
Deal found 6/26$869
This FlightHub deal was found by Cheapflights users on 6/23. 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.
Fri 11/1311:40 am
SGN
-
ONT
1 stop19h 15m
STARLUX Airlines
Mon 11/239:45 pm
ONT
-
SGN
1 stop28h 00m
STARLUX Airlines
Deal found 6/23$876
This oojo deal was found by Cheapflights users on 6/24. 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 10/66:05 pm
SGN
-
ONT
1 stop37h 00m
STARLUX Airlines
Mon 10/2610:45 pm
ONT
-
SGN
1 stop28h 00m
STARLUX Airlines
Deal found 6/24$878
This China Airlines deal was found by Cheapflights users on 6/23. 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 9/310:50 am
SGN
-
ONT
1 stop21h 50m
China Airlines
Sun 9/1312:45 am
ONT
-
SGN
1 stop18h 55m
China Airlines
Deal found 6/23$894
This oojo deal was found by Cheapflights users on 6/24. 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.
Mon 9/1410:50 am
SGN
-
ONT
1 stop21h 50m
China Airlines
Mon 12/1410:50 pm
ONT
-
SGN
1 stop27h 00m
China Airlines
Deal found 6/24$897
This China Airlines deal was found by Cheapflights users on 6/24. 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 10/3111:00 am
SGN
-
ONT
1 stop20h 50m
China Airlines
Tue 11/310:50 pm
ONT
-
SGN
1 stop27h 00m
China Airlines
Deal found 6/24$937
This China Airlines deal was found by Cheapflights users on 6/23. 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 8/1810:50 am
SGN
-
ONT
1 stop21h 50m
China Airlines
Mon 9/1412:45 am
ONT
-
SGN
1 stop25h 35m
China Airlines
Deal found 6/23$949
This China Airlines deal was found by Cheapflights users on 6/23. 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 8/1310:50 am
SGN
-
ONT
1 stop21h 50m
China Airlines
Fri 8/2112:45 am
ONT
-
SGN
1 stop25h 35m
China Airlines
Deal found 6/23$955
This Gotogate deal was found by Cheapflights users on 6/25. 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.
Wed 7/15:30 pm
SGN
-
ONT
1 stop39h 10m
China Airlines
Mon 8/3112:45 am
ONT
-
SGN
1 stop25h 35m
China Airlines
Deal found 6/25$958
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:25 pm
HAN
-
ONT
2 stops34h 15m
Multiple Airlines
Mon 7/2012:45 am
ONT
-
HAN
2 stops34h 25m
Multiple Airlines
Deal found 6/24$965
This oojo deal was found by Cheapflights users on 6/27. 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 7/15:30 pm
SGN
-
ONT
1 stop39h 10m
China Airlines
Fri 8/1412:45 am
ONT
-
SGN
1 stop25h 35m
China Airlines
Deal found 6/27$965

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 June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$868
(Trip.com)

One-way from

$499
(Jetabroad)

Popular in

April

Cheapest in

December

Average price

$876
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 ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 28, 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

Sat 10/31

11:00 am-5:50 pm

1 stop20h 50m

Ontario

Tue 11/3

10:50 pm-4:50 pm

1 stop27h 00m

$937

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 10/31

7:30 am-10:53 pm

2 stops29h 23m

Ontario

Tue 11/3

6:00 am-12:15 am

2 stops27h 15m

$996

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 9/4

11:35 pm-6:16 pm

2 stops32h 41m

Ontario

Tue 9/8

9:01 am-10:15 pm

2 stops23h 14m

$1,001

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 11/30

6:00 am-12:01 pm

2 stops21h 01m

Ontario

Wed 12/30

6:00 am-10:55 pm

2 stops25h 55m

$1,014

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 9/4

11:30 am-6:40 pm

1 stop21h 10m

Ontario

Mon 9/7

12:45 am-4:50 pm

1 stop26h 05m

$1,044

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 8/24

7:00 am-6:11 pm

2 stops25h 11m

Ontario

Thu 9/17

6:00 am-10:05 pm

2 stops26h 05m

$1,115

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 7/17

7:00 am-5:54 pm

2 stops24h 54m

Ontario

Mon 8/10

6:39 pm-10:05 pm

2 stops37h 26m

$1,218

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 7/9

7:00 am-5:54 pm

3 stops24h 54m

Ontario

Fri 7/24

6:00 am-10:05 pm

3 stops26h 05m

$1,225

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 8/1

7:00 am-6:33 pm

2 stops25h 33m

Ontario

Sat 9/12

8:00 am-12:15 am

2 stops26h 15m

$1,326

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 12/14

12:25 am-3:27 pm

2 stops30h 02m

Ontario

Fri 12/25

5:00 am-11:05 pm

2 stops27h 05m

$1,342

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 41 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 June 28, 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
350 reviews

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Comfort

8.9

Food

8.7

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
STARLUX Airlines
8.9
Very good
350 reviews
STARLUX Airlines
8.9
Very good
350 reviews

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Comfort

8.9

Food

8.7

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
China Airlines
8.3
Very good
829 reviews
STARLUX Airlines
8.9
Very good
350 reviews

Crew

9.2

Entertainment

8.8

Overall

8.9

Boarding

8.9

Comfort

8.9

Food

8.7

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.

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 $937. 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 STARLUX Airlines. According to our data, you can fly for as low as $453. Users have also found prices from $475 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 June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$706Average$827FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$714Average$801FlexibilityNo cancel feeOn-timeN/A

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