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$481+ Cheap flights from Ontario (ONT) to Vietnam

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SGN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Ontario to Vietnam

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Vietnam (VN0). 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 November 20, 2024.

Find flight deals from Ontario to Vietnam

Cheapest flights from Ontario to Vietnam
Explore the most affordable flight options available from Ontario to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This ScholarTrip deal was found by Cheapflights users on 11/19. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/265:40 amONT - SGN
2 stops25h 35mKorean Air
Tue 12/32:05 pmSGN - ONT
2 stops41h 40mKorean Air
Deal found 11/19$898
This oojo deal was found by Cheapflights users on 11/18. 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 11/2410:45 pmONT - SGN
1 stop27h 05mChina Airlines
Sun 12/85:50 pmSGN - ONT
1 stop38h 00mChina Airlines
Deal found 11/18$911
This Korean Air deal was found by Cheapflights users on 11/20. 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.
Wed 11/275:40 amONT - SGN
2 stops25h 35mMultiple Airlines
Wed 12/48:05 amSGN - ONT
2 stops23h 40mMultiple Airlines
Deal found 11/20$918
This oojo deal was found by Cheapflights users on 11/20. 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 11/2410:45 pmONT - HAN
1 stop26h 50mChina Airlines
Sat 12/711:35 amHAN - ONT
1 stop20h 15mChina Airlines
Deal found 11/20$960
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 11/215:40 amONT - SGN
2 stops25h 35mDelta
Tue 12/32:05 pmSGN - ONT
2 stops47h 40mDelta
Deal found 11/20$1,005
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/26:00 amONT - SGN
2 stops24h 50mUnited Airlines
Wed 12/2511:05 pmSGN - ONT
2 stops33h 48mUnited Airlines
Deal found 11/18$1,060
This Justfly.com deal was found by Cheapflights users on 11/19. 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.
Sun 11/245:40 amONT - HAN
2 stops38h 30mKorean Air
Sun 12/811:00 pmHAN - ONT
2 stops32h 54mKorean Air
Deal found 11/19$1,130
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:30 amONT - HAN
2 stops46h 25mMultiple Airlines
Sat 12/1411:35 amHAN - ONT
1 stop20h 15mMultiple Airlines
Deal found 11/19$1,263
This oojo deal was found by Cheapflights users on 11/19. 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.
Thu 12/510:45 pmONT - DAD
1 stop19h 25mChina Airlines
Wed 2/1210:20 amDAD - ONT
1 stop21h 30mChina Airlines
Deal found 11/19$1,271
This oojo deal was found by Cheapflights users on 11/19. 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 11/206:00 amONT - HAN
2 stops25h 30mJapan Airlines
Wed 11/2711:55 pmHAN - ONT
2 stops32h 34mJapan Airlines
Deal found 11/19$1,293
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/2410:35 amONT - HAN
2 stops45h 30mUnited Airlines
Sat 12/712:25 amHAN - ONT
2 stops35h 22mUnited Airlines
Deal found 11/19$1,305
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 12/111:59 pmONT - HAN
2 stops31h 31mAmerican Airlines
Mon 12/911:55 pmHAN - ONT
2 stops37h 18mAmerican Airlines
Deal found 11/19$1,362

Find flights from Ontario to Vietnam within your budget

Customize your flight search to find flights from Ontario to Vietnam 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Mon 3/31

12:10 am-8:50 am

1 stop18h 40m

Da Nang

Wed 5/7

9:50 am-6:05 pm

1 stop22h 15m

$829

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 4/7

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

Sun 4/20

5:50 pm-6:05 pm

1 stop38h 15m

$843

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 2/11

10:45 pm-10:00 am

1 stop20h 15m

Ho Chi Minh City

Mon 2/24

11:00 am-4:50 pm

1 stop20h 50m

$867

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sat 4/19

12:10 am-4:45 pm

1 stop26h 35m

Ho Chi Minh City

Sat 5/31

11:20 am-6:05 pm

1 stop20h 45m

$886

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Tue 2/11

6:00 am-10:15 pm

2 stops25h 15m

Ho Chi Minh City

Thu 2/20

8:05 am-3:25 pm

2 stops22h 20m

$893

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Sat 11/30

5:40 am-11:20 pm

2 stops26h 40m

Ho Chi Minh City

Fri 12/6

2:05 pm-10:42 pm

2 stops47h 37m

$989

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Tue 3/4

6:00 am-9:55 pm

2 stops24h 55m

Da Nang

Wed 5/21

3:40 pm-5:14 pm

2 stops39h 34m

$1,018

OntarioDa Nang

ONT - DAD

ONTDAD

Ontario

Mon 3/31

5:40 am-9:05 pm

2 stops25h 25m

Da Nang

Tue 4/29

10:50 pm-5:14 pm

2 stops32h 24m

$1,019

OntarioHo Chi Minh City

ONT - SGN

ONTSGN

Ontario

Mon 12/2

6:00 am-9:50 pm

2 stops24h 50m

Ho Chi Minh City

Wed 12/25

11:05 pm-5:53 pm

2 stops33h 48m

$1,060

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 4/1

6:00 am-10:00 pm

2 stops26h 00m

Hanoi Noibai

Tue 4/15

11:35 pm-8:17 pm

2 stops34h 42m

$1,074

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 33 results
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Best time to book a flight from Ontario to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Ontario 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 Ontario to Vietnam

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Vietnam (average of $942). Flying from Ontario to Vietnam in June is currently the most expensive (average of $1,619). 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 ONT to VN?

Find hourly flight availability from Ontario to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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

Rainfall in Vietnam by month

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

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 13.4 inches per month. September is typically the wettest month, when rainfall can reach 13.4 in. February is typically the driest time to visit Vietnam when rainfall is around 0.0 in.

Temperature in Vietnam by month

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

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown United Airlines, Korean Air and Delta from Ontario to Vietnam. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
778 reviews
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,756 reviews
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Qatar Airways
7.5
Good
3,831 reviews
Korean Air
8.5
Very good
1,024 reviews

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Overall

8.5

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Vietnam. 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 from for flights from Ontario to Vietnam?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Vietnam. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Vietnam one-way?

    $504 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $514 and $524, respectively.

  • What are the most popular routes from Ontario to Vietnam?

    The most popular route from Ontario to Vietnam is Ontario - Ho Chi Minh City. You may also consider Ontario - Hanoi Noibai or Ontario - Da Nang.

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

    Yes. In addition to deals on Ontario to Vietnam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Vietnam.

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

    Yes. Cheapflights offers flight deals from Ontario to Vietnam 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 Ontario to Vietnam?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Vietnam (average of $942). Flying from Ontario to Vietnam in June is currently the most expensive (average of $1,619). 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.

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Top 7 airlines flying from Ontario to Vietnam

Discover the top 7 airlines that operate flights from Ontario to Vietnam. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$589Average$882FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$597Average$839FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$705Average$1,238FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$780Average$944FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$817Average$958FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$876Average$1,229FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$900Average$1,052FlexibilityNo cancel feeOn-time74%
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