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 $740. Airlines will cover a distance of 8184 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

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

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.

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.

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.

$429+ Flights from Vietnam to Ontario

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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 December 29, 2025.

Mon 12/295:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Mon 1/1210:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/27

$864

Mon 12/296:00 amSGN - ONT

2 stops31h 41mUnited Airlines

Mon 1/126:00 amONT - SGN

2 stops25h 55mUnited Airlines

Deal found 12/27

$1,013

Wed 12/316:00 amSGN - ONT

2 stops19h 01mUnited Airlines

Wed 1/146:00 amONT - SGN

2 stops25h 55mUnited Airlines

Deal found 12/27

$1,078

Wed 12/3111:40 amSGN - ONT

1 stop19h 10mSTARLUX Airlines

Wed 1/149:45 pmONT - SGN

1 stop28h 00mSTARLUX Airlines

Deal found 12/27

$1,153

Wed 12/316:00 amSGN - ONT

2 stops43h 01mUnited Airlines

Sun 1/46:39 pmONT - SGN

2 stops36h 11mUnited Airlines

Deal found 12/29

$1,236

Wed 12/3111:00 amSGN - ONT

1 stop20h 50mChina Airlines

Sun 1/410:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/29

$1,285

Wed 12/3111:00 amSGN - ONT

1 stop20h 50mChina Airlines

Wed 1/1410:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/26

$1,441

Wed 12/3111:35 amSGN - ONT

2 stops36h 18mMultiple Airlines

Wed 1/149:45 pmONT - SGN

1 stop21h 45mMultiple Airlines

Deal found 12/27

$1,461

Best flights from Vietnam to Ontario
Discover carefully curated flight deals from Vietnam to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 29, 2025.

Mon 2/1611:00 amSGN - ONT

1 stop20h 50mChina Airlines

Sun 3/110:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/28

$740

Wed 3/1111:40 amSGN - ONT

1 stop19h 10mSTARLUX Airlines

Wed 3/2510:45 pmONT - SGN

1 stop21h 45mSTARLUX Airlines

Deal found 12/28

$776

Wed 3/1811:00 amSGN - ONT

1 stop20h 50mMultiple Airlines

Wed 4/16:00 amONT - SGN

2 stops26h 05mMultiple Airlines

Deal found 12/28

$786

Mon 1/2611:55 pmHAN - ONT

2 stops30h 13mJapan Airlines

Mon 2/26:00 amONT - HAN

2 stops25h 30mJapan Airlines

Deal found 12/27

$1,027

Thu 3/1212:25 amHAN - ONT

2 stops31h 16mUnited Airlines

Tue 3/176:00 amONT - HAN

2 stops27h 05mUnited Airlines

Deal found 12/28

$1,106

Sun 2/111:00 amSGN - ONT

1 stop20h 50mChina Airlines

Sun 2/1510:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/28

$740

Sat 6/1310:50 amSGN - ONT

1 stop21h 10mChina Airlines

Fri 6/2612:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/29

$759

Sat 6/1310:50 amSGN - ONT

1 stop21h 10mChina Airlines

Sun 6/2812:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/29

$759

Fri 6/1210:50 amSGN - ONT

1 stop21h 10mChina Airlines

Fri 6/2612:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/29

$759

Fri 6/1210:50 amSGN - ONT

1 stop21h 10mChina Airlines

Sat 6/2712:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/29

$759

Sun 6/1410:50 amSGN - ONT

1 stop21h 10mChina Airlines

Sun 6/2812:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/29

$759

Thu 1/1512:25 amHAN - ONT

2 stops37h 28mUnited Airlines

Sun 1/251:53 pmONT - HAN

2 stops42h 12mUnited Airlines

Deal found 12/27

$1,328

Tue 2/311:00 amSGN - ONT

1 stop20h 50mChina Airlines

Thu 3/510:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/28

$763

Thu 3/2611:00 amSGN - ONT

1 stop20h 50mChina Airlines

Fri 10/212:10 amONT - SGN

1 stop26h 10mChina Airlines

Deal found 12/27

$797

Sat 3/285:50 pmSGN - ONT

1 stop38h 10mChina Airlines

Thu 10/112:10 amONT - SGN

1 stop19h 30mChina Airlines

Deal found 12/27

$797

Mon 3/3011:30 amHAN - ONT

1 stop20h 30mChina Airlines

Thu 4/212:10 amONT - HAN

1 stop20h 20mChina Airlines

Deal found 12/26

$863

Fri 3/1311:20 amHAN - ONT

1 stop20h 30mChina Airlines

Tue 3/1711:50 pmONT - HAN

1 stop26h 40mChina Airlines

Deal found 12/28

$938

Mon 1/2611:35 amHAN - ONT

1 stop20h 15mChina Airlines

Mon 2/210:50 pmONT - HAN

2 stops25h 15mChina Airlines

Deal found 12/27

$1,089

Last-minute flights from Vietnam to Ontario
Discover last-minute flight deals from Vietnam to Ontario. Data last updated December 29, 2025 and is based on user searches.

Mon 12/295:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Mon 1/1210:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/27

$864

Fri 1/165:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Thu 1/2910:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$841

Fri 1/165:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Sun 2/110:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$861

Sun 1/185:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Sat 1/3110:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$825

Mon 1/195:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Thu 1/2210:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/28

$805

Mon 1/1911:00 amSGN - ONT

1 stop20h 50mChina Airlines

Thu 1/2910:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$821

Tue 1/2011:00 amSGN - ONT

1 stop20h 50mChina Airlines

Tue 1/2010:50 pmONT - SGN

1 stop20h 10mChina Airlines

Deal found 12/28

$797

Tue 1/205:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Tue 2/310:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$809

Tue 1/205:50 pmSGN - ONT

1 stop38h 00mChina Airlines

Sun 2/110:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$829

Mon 1/2611:40 amSGN - ONT

1 stop19h 10mSTARLUX Airlines

Mon 2/29:45 pmONT - SGN

1 stop28h 00mSTARLUX Airlines

Deal found 12/27

$774

Mon 1/2611:00 amSGN - ONT

1 stop20h 50mChina Airlines

Mon 2/210:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/27

$795

Mon 1/2611:00 amSGN - ONT

1 stop20h 50mChina Airlines

Tue 1/2710:50 pmONT - SGN

1 stop27h 00mChina Airlines

Deal found 12/28

$868

One-way flights from Vietnam to Ontario
Search for one-way flight options from Vietnam to Ontario. Find affordable one-way fares based on user searches. Data last updated December 29, 2025.

Mon 2/1611:55 amSGN - ONT

3 stops40h 16mMultiple Airlines

Deal found 12/28

$429

Mon 2/911:40 amSGN - ONT

1 stop19h 10mSTARLUX Airlines

Deal found 12/29

$453

Thu 2/2611:05 pmSGN - ONT

2 stops31h 45mMultiple Airlines

Deal found 12/28

$454

Thu 3/1911:05 pmSGN - ONT

2 stops31h 45mMultiple Airlines

Deal found 12/29

$462

Tue 2/2411:05 pmSGN - ONT

2 stops31h 45mMultiple Airlines

Deal found 12/28

$464

Sun 4/55:30 pmSGN - ONT

1 stop38h 30mChina Airlines

Deal found 12/27

$468

Sun 3/2910:50 amSGN - ONT

1 stop21h 10mChina Airlines

Deal found 12/29

$469

Tue 6/2310:50 amSGN - ONT

1 stop21h 10mChina Airlines

Deal found 12/27

$470

Sat 1/3111:00 amSGN - ONT

1 stop20h 50mChina Airlines

Deal found 12/27

$473

Sun 3/159:50 pmSGN - ONT

2 stops33h 00mMultiple Airlines

Deal found 12/28

$475

Fri 2/2711:20 amHAN - ONT

1 stop20h 30mChina Airlines

Deal found 12/28

$507

Sun 3/295:50 pmHAN - ONT

1 stop38h 10mChina Airlines

Deal found 12/29

$524

Find flight deals from Vietnam to Ontario

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$740 (Vliegwinkel)
One-way from	$429 (Kiwi.com)
Popular in	January
Cheapest in	September
Average price	$756

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. 3% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Mon 2/16

11:00 am-4:50 pm

1 stop20h 50m

Ontario

Sun 3/1

10:50 pm-10:00 am

1 stop20h 10m

$740

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sun 2/1

11:00 am-4:50 pm

1 stop20h 50m

Ontario

Sun 2/15

10:50 pm-10:00 am

1 stop20h 10m

$740

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 6/13

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Fri 6/26

12:10 am-4:20 pm

1 stop26h 10m

$759

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sat 6/13

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Sun 6/28

12:10 am-4:20 pm

1 stop26h 10m

$759

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 6/12

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Fri 6/26

12:10 am-4:20 pm

1 stop26h 10m

$759

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Fri 6/12

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Sat 6/27

12:10 am-4:20 pm

1 stop26h 10m

$759

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Sun 6/14

10:50 am-6:00 pm

1 stop21h 10m

Ontario

Sun 6/28

12:10 am-4:20 pm

1 stop26h 10m

$759

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Tue 2/3

11:00 am-4:50 pm

1 stop20h 50m

Ontario

Thu 3/5

10:50 pm-10:00 am

1 stop20h 10m

$763

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 3/11

11:40 am-4:50 pm

1 stop19h 10m

Ontario

Wed 3/25

10:45 pm-10:30 am

1 stop21h 45m

$776

Ho Chi Minh CityOntario

SGN - ONT

SGNONT

Ho Chi Minh City

Wed 3/18

11:00 am-5:50 pm

1 stop20h 50m

Ontario

Wed 4/1

6:00 am-10:05 pm

2 stops26h 05m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 38 results

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, November is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $380). Flying from Vietnam to Ontario in July is currently the most expensive (average of $753). 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

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

250 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

STARLUX Airlines

8.9

Very good

250 reviews

STARLUX Airlines

8.9

Very good

250 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

China Airlines

8.3

Very good

796 reviews

STARLUX Airlines

8.9

Very good

250 reviews

Reviews

1 / 9

10.0

Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

Related info for your journey

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 $740. Airlines will cover a distance of 8184 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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, November is the cheapest month in which you can book a flight from Vietnam to Ontario (average of $380). Flying from Vietnam to Ontario in July is currently the most expensive (average of $753). 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

Top 2 airlines flying from Vietnam to Ontario

Airline	Cheapest	Average	Flexibility	On-time
China Airlines	Cheapest$754	Average$832	FlexibilityNo cancel fee	On-time70%
STARLUX Airlines	Cheapest$774	Average$780	FlexibilityNo cancel fee	On-timeN/A

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$429+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Vietnam to Ontario with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Vietnam to Ontario

Cheapest flights from Vietnam to OntarioExplore 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 December 29, 2025.

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 December 29, 2025.

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 December 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vietnam to Ontario that are best for you.

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.

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?

Reviews of airlines servicing Ontario

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.

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?

How long is the flight from Vietnam to Ontario?

Can I find deals for flights from Vietnam to Ontario that include hotel bookings?

How can I find direct flights from Vietnam to Ontario?

Can I find deals for business class flights from Vietnam to Ontario?

What is the cheapest month to book a flight from Vietnam to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Vietnam to Ontario

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

Top 2 airlines flying from Vietnam to Ontario

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Travel Smart

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 December 29, 2025.