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$395+ Cheap flights from Ontario (ONT) to Hanoi (HAN)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HAN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hanoi (HAN). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$845
(oojo)

One-way from

$395
(oojo)

Popular in

December

Cheapest in

February

Average price

$875
Provider with most accurate pricing for Ontario-Hanoi Noibai flight deals.
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Provider most trusted by Cheapflights users for Ontario-Hanoi Noibai flights.
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From Ontario to Hanoi Noibai
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One-way flight from Ontario to Hanoi Noibai
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Highest demand for flights based on searches. 13% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Hanoi

Cheapest flights from Ontario to Hanoi
Explore the most affordable flight options available from Ontario to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amONT - HAN
2 stops26h 15mUnited Airlines
Mon 10/2712:25 amHAN - ONT
2 stops28h 16mUnited Airlines
Deal found 2/20$826
This oojo deal was found by Cheapflights users on 2/18. 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.
Thu 2/2010:45 pmONT - HAN
1 stop20h 50mChina Airlines
Thu 3/1311:35 amHAN - ONT
1 stop20h 15mChina Airlines
Deal found 2/18$845
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:00 amONT - HAN
2 stops24h 40mMultiple Airlines
Fri 5/1611:35 pmHAN - ONT
2 stops34h 59mMultiple Airlines
Deal found 2/20$921
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
Sat 10/1111:10 pmONT - HAN
1 stop21h 00mSTARLUX Airlines
Fri 10/1711:10 amHAN - ONT
1 stop19h 55mSTARLUX Airlines
Deal found 2/19$947
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:00 amONT - HAN
2 stops24h 35mKorean Air
Fri 10/2412:00 pmHAN - ONT
2 stops43h 22mKorean Air
Deal found 2/20$970
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amONT - HAN
2 stops37h 10mDelta
Wed 12/1712:20 pmHAN - ONT
2 stops20h 02mDelta
Deal found 2/19$1,090

Find flights from Ontario to Hanoi within your budget

Customize your flight search to find flights from Ontario to Hanoi 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 February 20, 2025.

Fly from

Ontario

Fly to

Hanoi

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 3/4

10:45 pm-4:35 pm

1 stop26h 50m

Hanoi Noibai

Wed 4/9

11:35 am-6:00 pm

1 stop20h 25m

$845

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 3/7

6:00 am-9:40 pm

2 stops24h 40m

Hanoi Noibai

Fri 5/16

11:35 pm-8:34 pm

2 stops34h 59m

$921

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sun 3/2

6:00 am-9:40 pm

2 stops24h 40m

Hanoi Noibai

Mon 3/17

11:00 pm-4:42 pm

2 stops31h 42m

$1,010

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Mon 3/3

6:00 am-11:05 pm

2 stops26h 05m

Hanoi Noibai

Sun 3/16

12:25 am-8:57 pm

2 stops34h 32m

$1,202

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Fri 3/21

5:40 am-9:40 pm

2 stops26h 00m

Hanoi Noibai

Fri 4/4

12:00 pm-4:43 pm

2 stops42h 43m

$1,240

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 6/21

11:10 pm-10:10 am

1 stop21h 00m

Hanoi Noibai

Mon 6/30

11:10 am-5:05 pm

1 stop19h 55m

$1,433

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 4/29

6:00 am-9:50 pm

2 stops25h 50m

Hanoi Noibai

Sun 5/4

11:20 pm-3:32 pm

2 stops30h 12m

$1,669

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Sat 8/9

2:59 pm-1:55 pm

2 stops32h 56m

Hanoi Noibai

Sat 8/30

3:00 am-10:37 pm

2 stops33h 37m

$2,075

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Tue 2/25

6:00 am-10:30 pm

2 stops25h 30m

$395

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

Wed 2/26

5:05 am-11:05 pm

2 stops27h 00m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 15 results
1
2

Compare providers for flights from Ontario to Hanoi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Hanoi in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Hanoi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Hanoi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Hanoi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Hanoi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Hanoi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi 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 Hanoi

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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Hanoi (average of $975). Flying from Ontario to Hanoi in December is currently the most expensive (average of $1,618). 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 Hanoi by month

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

In terms of precipitation, rainfall in Hanoi ranges from 0.6 - 11.7 inches per month. August is typically the wettest month, when rainfall can reach 11.7 in. December is typically the driest time to visit Hanoi when rainfall is around 0.6 in.

Temperature in Hanoi by month

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

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 62.6 F).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. 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 Hanoi. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air and Japan Airlines from Ontario to Hanoi by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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.

Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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.

China Airlines
8.2
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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.

Delta
8.0
Very good
8,220 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Food

9.0

Comfort

9.0

Overall

9.1

Boarding

9.1

Entertainment

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 Ontario to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Hanoi round-trip?

    Flying on China Airlines is currently your cheapest option to Hanoi, with prices starting at $845. Additional round-trip tickets that might be worth considering are offered by Korean Air and Delta, with the lowest prices starting at $1,010 and $1,240, respectively. These flights start at 21% lower than the current average price 3 months from now.

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

    $395 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on United Airlines and China Airlines, with prices starting from $430 and $484, respectively.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Hanoi (average of $975). Flying from Ontario to Hanoi in December is currently the most expensive (average of $1,618). 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 Ontario to Hanoi

Discover the top airline that operate flights from Ontario to Hanoi. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$797Average$936FlexibilityNo cancel feeOn-time70%
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