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Ontario

$487+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Mar 15 — Mar 221
Sat 3/15
Sat 3/22
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 March 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$818
(oojo)

One-way from

$487
(Justfly.com)

Popular in

August

Cheapest in

October

Average price

$887
Provider with most accurate pricing for Ho Chi Minh City-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Ho Chi Minh City-Los Angeles flights.
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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. 7% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 10, 2025.

This oojo deal was found by Cheapflights users on 3/10. 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.
Mon 4/1410:50 amSGN - ONT
1 stop21h 10mChina Airlines
Thu 7/1712:45 amONT - SGN
1 stop25h 35mChina Airlines
Deal found 3/10$818
This Justfly.com deal was found by Cheapflights users on 3/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:25 pmSGN - ONT
1 stop36h 40mSTARLUX Airlines
Wed 7/911:45 pmONT - SGN
1 stop27h 30mSTARLUX Airlines
Deal found 3/10$819
This Gotogate deal was found by Cheapflights users on 3/10. 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.
Wed 4/911:35 amHAN - ONT
1 stop20h 25mChina Airlines
Tue 4/1512:10 amONT - HAN
1 stop26h 40mChina Airlines
Deal found 3/10$908
This STARLUX Airlines deal was found by Cheapflights users on 3/10. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/611:10 amHAN - ONT
1 stop19h 55mSTARLUX Airlines
Sat 6/1411:10 pmONT - HAN
1 stop21h 00mSTARLUX Airlines
Deal found 3/10$917
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/99:20 amSGN - ONT
2 stops22h 40mMultiple Airlines
Tue 4/1512:10 amONT - SGN
2 stops26h 20mMultiple Airlines
Deal found 3/10$1,035
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/98:50 amHAN - ONT
2 stops23h 10mMultiple Airlines
Tue 4/1512:10 amONT - HAN
2 stops25h 40mMultiple Airlines
Deal found 3/10$1,131
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/3011:15 pmSGN - ONT
2 stops35h 27mUnited Airlines
Mon 4/286:00 amONT - SGN
2 stops25h 55mUnited Airlines
Deal found 3/10$1,158
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:35 pmHAN - ONT
2 stops29h 15mUnited Airlines
Wed 4/166:39 pmONT - HAN
2 stops37h 36mUnited Airlines
Deal found 3/10$1,166
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1411:45 pmSGN - ONT
2 stops36h 58mDelta
Fri 7/185:05 pmONT - SGN
2 stops39h 00mDelta
Deal found 3/9$1,216
This Qatar Airways deal was found by Cheapflights users on 3/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/28:00 pmSGN - ONT
2 stops32h 00mQatar Airways
Tue 5/611:46 amONT - SGN
2 stops29h 54mQatar Airways
Deal found 3/9$1,971

Find flights from Vietnam to Ontario within your budget

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 March 10, 2025.

Fly from

Vietnam

Fly to

Ontario

Route

Depart

Return

Price

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 4/14

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Thu 7/17

12:45 am-4:20 pm

1 stop25h 35m

$818

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 6/17

6:25 pm-5:05 pm

1 stop36h 40m

Ontario

Wed 7/9

11:45 pm-5:15 pm

1 stop27h 30m

$819

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Wed 4/9

11:35 am-6:00 pm

1 stop20h 25m

Ontario

Tue 4/15

12:10 am-4:50 pm

1 stop26h 40m

$908

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/6

11:10 am-5:05 pm

1 stop19h 55m

Ontario

Sat 6/14

11:10 pm-10:10 am

1 stop21h 00m

$917

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 4/9

9:20 am-6:00 pm

2 stops22h 40m

Ontario

Tue 4/15

12:10 am-4:30 pm

2 stops26h 20m

$1,035

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Wed 4/9

8:50 am-6:00 pm

2 stops23h 10m

Ontario

Tue 4/15

12:10 am-3:50 pm

2 stops25h 40m

$1,131

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sun 3/30

11:15 pm-8:42 pm

2 stops35h 27m

Ontario

Mon 4/28

6:00 am-9:55 pm

2 stops25h 55m

$1,158

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Wed 4/9

11:35 pm-2:50 pm

2 stops29h 15m

Ontario

Wed 4/16

6:39 pm-10:15 pm

2 stops37h 36m

$1,166

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 4/14

11:45 pm-10:43 pm

2 stops36h 58m

Ontario

Fri 7/18

5:05 pm-10:05 pm

2 stops39h 00m

$1,216

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 4/2

8:00 pm-2:00 pm

2 stops32h 00m

Ontario

Tue 5/6

11:46 am-7:40 am

2 stops29h 54m

$1,971

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 25 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.

Travel insights for flights from Vietnam to Ontario

Get recent, data-driven insights about flights from Vietnam to Ontario including ideal travel times, pricing trends, and more.

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 $313). 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.

What is the cheapest time of day to fly from VN to ONT?

Find hourly flight availability from Vietnam to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to Ontario as you normally would.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 March 10, 2025.
See what other customers who have flown with STARLUX Airlines, Japan Airlines and China Airlines from Vietnam to Ontario have to say. 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
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
141 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines
8.3
Very good
1,439 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

China Airlines
8.2
Very good
724 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Delta
8.0
Very good
7,973 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Qatar Airways
7.4
Good
3,545 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Crew

9.3

Entertainment

9.1

Comfort

9.0

Overall

9.1

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

  • 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 $487. Users have also found prices from $512 and $539 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, 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 $313). 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 airline flying from Vietnam to Ontario

Discover the top airline 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 March 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$773Average$856FlexibilityNo cancel feeOn-time70%
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