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Ontario

$407+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Vietnam to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Vietnam (VN0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$818
(oojo)

One-way from

$407
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$930
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. 4% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This oojo deal was found by Cheapflights users on 1/29. 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 3/1111:00 amSGN - ONT
1 stop20h 50mChina Airlines
Mon 5/1912:10 amONT - SGN
1 stop19h 30mChina Airlines
Deal found 1/29$818
This Gotogate deal was found by Cheapflights users on 1/28. 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 3/1511:35 amHAN - ONT
1 stop20h 15mChina Airlines
Sat 3/2211:45 pmONT - HAN
1 stop26h 50mChina Airlines
Deal found 1/28$958
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 2/37:30 amSGN - ONT
2 stops25h 27mUnited Airlines
Sun 2/236:00 amONT - SGN
2 stops27h 15mUnited Airlines
Deal found 1/30$1,001
This United deal was found by Cheapflights users on 1/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/307:30 amSGN - ONT
2 stops41h 21mMultiple Airlines
Fri 2/2810:36 amONT - SGN
2 stops33h 24mMultiple Airlines
Deal found 1/29$1,046
This Mytrip deal was found by Cheapflights users on 1/28. 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.
Fri 3/142:30 amHAN - ONT
2 stops29h 20mMultiple Airlines
Sat 3/2211:45 pmONT - HAN
1 stop20h 50mMultiple Airlines
Deal found 1/28$1,357
This Japan Airlines deal was found by Cheapflights users on 1/29. 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.
Wed 7/3011:20 pmHAN - ONT
2 stops29h 52mJapan Airlines
Thu 12/186:00 amONT - HAN
2 stops25h 30mJapan Airlines
Deal found 1/29$1,487
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 3/1412:25 amHAN - ONT
2 stops36h 20mUnited Airlines
Sat 3/226:45 pmONT - HAN
2 stops38h 20mUnited Airlines
Deal found 1/29$1,537
This Qatar Airways deal was found by Cheapflights users on 1/29. 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.
Fri 1/312:20 amHAN - ONT
2 stops30h 52mQatar Airways
Thu 2/2711:57 amONT - HAN
2 stops27h 58mQatar Airways
Deal found 1/29$1,795
This oojo deal was found by Cheapflights users on 1/30. 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.
Sun 2/28:55 amSGN - ONT
2 stops52h 44mQatar Airways
Sun 2/96:00 amONT - SGN
2 stops34h 15mQatar Airways
Deal found 1/30$1,969
This Agoda.com deal was found by Cheapflights users on 1/30. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:35 amSGN - ONT
2 stops29h 05mKorean Air
Thu 5/157:00 amONT - SGN
2 stops25h 05mKorean Air
Deal found 1/30$8,326

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 3/11

11:00 am-5:50 pm

1 stop20h 50m

Ontario

Mon 5/19

12:10 am-9:40 am

1 stop19h 30m

$818

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sat 3/15

11:35 am-5:50 pm

1 stop20h 15m

Ontario

Sat 3/22

11:45 pm-4:35 pm

1 stop26h 50m

$958

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 5/6

7:00 am-8:34 pm

2 stops27h 34m

Ontario

Tue 6/24

6:00 am-11:45 pm

2 stops51h 45m

$1,010

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 3/11

11:00 am-5:50 pm

1 stop20h 50m

Ontario

Mon 5/19

8:24 am-11:05 am

2 stops36h 41m

$1,121

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 3/14

2:30 am-5:50 pm

2 stops29h 20m

Ontario

Sat 3/22

11:45 pm-10:35 am

1 stop20h 50m

$1,357

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 3/14

12:25 am-10:45 pm

2 stops36h 20m

Ontario

Sat 3/22

6:45 pm-11:05 pm

2 stops38h 20m

$1,537

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Tue 7/29

3:00 am-6:17 pm

2 stops29h 17m

Ontario

Thu 12/18

11:30 am-6:55 am

2 stops28h 25m

$1,796

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 5/31

8:00 pm-1:51 pm

2 stops31h 51m

Ontario

Sat 6/21

11:30 am-7:55 am

2 stops30h 25m

$1,996

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Thu 5/1

7:35 am-10:40 pm

2 stops29h 05m

Ontario

Thu 5/15

7:00 am-10:05 pm

2 stops25h 05m

$8,326

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 2/10

11:55 am-11:24 pm

3 stops26h 29m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 18 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 $310). 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 January 30, 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 January 30, 2025.
See what other customers who have flown with Korean Air, 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.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,446 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
727 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,720 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Air France
7.4
Good
1,476 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 $511. Users have also found prices from $539 and $821 on United Airlines and Qatar Airways, 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 $310). 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$773Average$877FlexibilityNo cancel feeOn-time70%
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