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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
abr. 22 — abr. 291
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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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$751
(oojo)

One-way from

$466
(oojo)

Popular in

August

Cheapest in

October

Average price

$823
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. 8% potential increase in price ($78 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 abril 17, 2025.

This oojo deal was found by Cheapflights users on 4/17. 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. 9/2610:50 amSGN - ONT
1 stop21h 10mChina Airlines
vie. 10/2412:10 amONT - SGN
1 stop19h 50mChina Airlines
Deal found 4/17$751
This Gotogate deal was found by Cheapflights users on 4/16. 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.
lun. 10/1311:30 amSGN - ONT
1 stop19h 35mSTARLUX Airlines
lun. 10/1311:10 pmONT - SGN
1 stop28h 05mSTARLUX Airlines
Deal found 4/16$775
This United Airlines deal was found by Cheapflights users on 4/16. 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. 4/2111:35 pmHAN - ONT
2 stops34h 46mUnited Airlines
lun. 4/286:00 amONT - HAN
2 stops26h 15mUnited Airlines
Deal found 4/16$933
This United Airlines deal was found by Cheapflights users on 4/16. 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.
dom. 4/2011:15 pmSGN - ONT
2 stops49h 50mUnited Airlines
sáb. 4/261:20 pmONT - SGN
2 stops44h 55mUnited Airlines
Deal found 4/16$935
This China Airlines deal was found by Cheapflights users on 4/16. 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. 5/105:50 pmHAN - ONT
1 stop38h 10mChina Airlines
lun. 5/1912:10 amONT - HAN
1 stop26h 40mChina Airlines
Deal found 4/16$943
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1310:50 amSGN - ONT
1 stop21h 10mMultiple Airlines
mar. 7/224:00 pmONT - SGN
2 stops27h 40mMultiple Airlines
Deal found 4/17$970
This Mytrip deal was found by Cheapflights users on 4/17. 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.
dom. 6/111:45 pmHAN - ONT
2 stops32h 15mMultiple Airlines
sáb. 6/712:10 amONT - HAN
2 stops24h 25mMultiple Airlines
Deal found 4/17$1,028
This Japan Airlines deal was found by Cheapflights users on 4/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/111:20 pmHAN - ONT
2 stops30h 30mJapan Airlines
dom. 6/86:00 amONT - HAN
2 stops25h 50mJapan Airlines
Deal found 4/17$1,224
This Delta deal was found by Cheapflights users on 4/16. 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.
vie. 5/237:35 amSGN - ONT
2 stops29h 00mDelta
dom. 11/307:00 amONT - SGN
2 stops25h 20mDelta
Deal found 4/16$1,566
This Korean Air deal was found by Cheapflights users on 4/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2310:30 amHAN - ONT
2 stops26h 13mKorean Air
lun. 4/285:45 amONT - HAN
2 stops25h 50mKorean Air
Deal found 4/16$1,844
This Qatar Airways deal was found by Cheapflights users on 4/15. 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.
jue. 5/228:00 pmSGN - ONT
2 stops31h 52mQatar Airways
mar. 7/2212:00 pmONT - SGN
2 stops29h 40mQatar Airways
Deal found 4/15$2,331
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/111:20 pmHAN - ONT
3 stops33h 03mAmerican Airlines
dom. 6/86:23 amONT - HAN
3 stops25h 27mAmerican Airlines
Deal found 4/17$3,666

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 abril 17, 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. 9/26

10:50 am-6:00 pm

1 stop21h 10m

Ontario

vie. 10/24

12:10 am-10:00 am

1 stop19h 50m

$751

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

lun. 10/13

11:30 am-5:05 pm

1 stop19h 35m

Ontario

lun. 10/13

11:10 pm-5:15 pm

1 stop28h 05m

$775

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 5/10

5:50 pm-6:00 pm

1 stop38h 10m

Ontario

lun. 5/19

12:10 am-4:50 pm

1 stop26h 40m

$943

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 5/13

10:50 am-6:00 pm

1 stop21h 10m

Ontario

mar. 7/22

4:00 pm-9:40 am

2 stops27h 40m

$970

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

mar. 5/13

7:00 am-3:09 pm

2 stops22h 09m

Ontario

mar. 7/22

6:39 pm-12:15 am

2 stops39h 36m

$1,002

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

dom. 6/1

11:45 pm-6:00 pm

2 stops32h 15m

Ontario

sáb. 6/7

12:10 am-2:35 pm

2 stops24h 25m

$1,028

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

dom. 6/1

11:20 pm-3:50 pm

2 stops30h 30m

Ontario

dom. 6/8

6:00 am-9:50 pm

2 stops25h 50m

$1,224

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 5/10

11:35 pm-2:25 pm

2 stops28h 50m

Ontario

mar. 5/20

6:00 am-10:15 pm

2 stops26h 15m

$1,438

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

vie. 5/23

7:35 am-10:35 pm

2 stops29h 00m

Ontario

dom. 11/30

7:00 am-11:20 pm

2 stops25h 20m

$1,566

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

jue. 5/22

8:00 pm-1:52 pm

2 stops31h 52m

Ontario

mar. 7/22

12:00 pm-7:40 am

2 stops29h 40m

$2,331

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 28 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, 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 $328). 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 abril 17, 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 abril 17, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air and Korean Air 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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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.

Boarding

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Comfort

9.0

Overall

9.1

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 China Airlines. According to our data, you can fly for as low as $466. Users have also found prices from $487 and $539 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, 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 $328). 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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Alternative routes for Vietnam to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$773Average$848FlexibilityNo cancel feeOn-time70%

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