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Ontario

$462+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SGN — ONT
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$758
(Gotogate)

One-way from

$462
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$795
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 ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This Gotogate deal was found by Cheapflights users on 6/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:50 amSGN - ONT
1 stop21h 10mChina Airlines
Thu 10/1612:10 amONT - SGN
1 stop26h 10mChina Airlines
Deal found 6/17$758
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:25 pmSGN - ONT
1 stop37h 15mSTARLUX Airlines
Mon 7/2811:45 pmONT - SGN
1 stop20h 30mSTARLUX Airlines
Deal found 6/16$775
This Gotogate deal was found by Cheapflights users on 6/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:50 pmHAN - ONT
1 stop37h 50mSTARLUX Airlines
Fri 9/1211:10 pmONT - HAN
1 stop21h 15mSTARLUX Airlines
Deal found 6/17$841
This China Airlines deal was found by Cheapflights users on 6/17. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:50 pmHAN - ONT
1 stop38h 50mChina Airlines
Thu 9/1112:45 amONT - HAN
1 stop26h 05mChina Airlines
Deal found 6/17$898
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:30 amSGN - ONT
2 stops25h 04mUnited Airlines
Tue 12/96:00 amONT - SGN
2 stops24h 50mUnited Airlines
Deal found 6/17$922
This Mytrip deal was found by Cheapflights users on 6/17. 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.
Fri 9/1910:05 pmSGN - ONT
2 stops33h 55mMultiple Airlines
Thu 10/912:10 amONT - SGN
2 stops34h 15mMultiple Airlines
Deal found 6/17$966
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sun 7/611:35 pmHAN - ONT
2 stops37h 17mUnited Airlines
Fri 7/255:05 amONT - HAN
2 stops27h 10mUnited Airlines
Deal found 6/16$1,082
This Agoda.com deal was found by Cheapflights users on 6/17. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:50 pmHAN - ONT
1 stop38h 50mMultiple Airlines
Wed 9/311:10 pmONT - HAN
1 stop21h 00mMultiple Airlines
Deal found 6/17$1,117
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/211:20 pmHAN - ONT
2 stops37h 42mAmerican Airlines
Mon 7/286:10 amONT - HAN
2 stops25h 40mAmerican Airlines
Deal found 6/16$1,338
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:15 pmHAN - ONT
2 stops39h 02mQatar Airways
Sun 1/116:00 amONT - HAN
2 stops33h 55mQatar Airways
Deal found 6/16$1,783
This oojo deal was found by Cheapflights users on 6/17. 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.
Wed 7/238:00 pmSGN - ONT
2 stops42h 13mQatar Airways
Thu 2/196:00 amONT - SGN
2 stops34h 15mQatar Airways
Deal found 6/17$1,885
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/411:10 pmHAN - ONT
2 stops51h 07mDelta
Fri 7/256:25 amONT - HAN
2 stops38h 15mDelta
Deal found 6/16$1,922

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 18, 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

Fri 9/19

5:30 pm-6:00 pm

1 stop38h 30m

Ontario

Wed 10/8

12:10 am-9:40 am

1 stop19h 30m

$758

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 7/8

6:25 pm-5:40 pm

1 stop37h 15m

Ontario

Mon 7/28

11:45 pm-10:15 am

1 stop20h 30m

$775

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 8/28

5:50 pm-5:40 pm

1 stop37h 50m

Ontario

Fri 9/12

11:10 pm-10:25 am

1 stop21h 15m

$841

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 8/28

5:50 pm-6:40 pm

1 stop38h 50m

Ontario

Thu 9/11

12:45 am-4:50 pm

1 stop26h 05m

$898

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 11/10

7:30 am-5:34 pm

2 stops25h 04m

Ontario

Tue 12/9

6:00 am-9:50 pm

2 stops24h 50m

$922

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 9/19

10:05 pm-6:00 pm

2 stops33h 55m

Ontario

Thu 10/9

12:10 am-12:25 am

2 stops34h 15m

$966

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sun 7/6

11:35 pm-5:43 pm

2 stops32h 08m

Ontario

Sun 7/27

6:39 pm-10:15 pm

2 stops37h 36m

$1,082

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 8/11

5:50 pm-6:40 pm

1 stop38h 50m

Ontario

Wed 9/3

11:10 pm-10:10 am

1 stop21h 00m

$1,117

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Wed 7/2

11:20 pm-11:02 pm

2 stops37h 42m

Ontario

Mon 7/28

6:10 am-9:50 pm

2 stops25h 40m

$1,338

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Tue 7/1

3:00 am-6:04 pm

2 stops29h 04m

Ontario

Tue 7/29

12:00 pm-9:15 pm

2 stops43h 15m

$1,789

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 29 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.

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 June 18, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air and Japan 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
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
180 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,205 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,494 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
742 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Delta
8.0
Very good
7,964 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 $462. Users have also found prices from $479 and $538 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

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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.
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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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$769Average$837FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$774Average$780FlexibilityNo cancel feeOn-timeN/A

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