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$429+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HAN
jan 25 — fev 11
sáb 1/25
sáb 2/1
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 janeiro 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$848
(oojo)

One-way from

$429
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$1,518
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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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 6% potential price drop
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Average for round-trip flights in January 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 janeiro 20, 2025.

This United deal was found by Cheapflights users on 1/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/86:00 amONT - HAN
2 stops26h 15mMultiple Airlines
seg 9/1511:10 pmHAN - ONT
2 stops30h 36mMultiple Airlines
Deal found 1/19$821
This United Airlines deal was found by Cheapflights users on 1/19. 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.
seg 9/86:00 amONT - HAN
2 stops26h 15mUnited Airlines
qua 9/1711:35 pmHAN - ONT
2 stops32h 25mUnited Airlines
Deal found 1/19$826
This oojo deal was found by Cheapflights users on 1/19. 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.
ter 4/1512:10 amONT - HAN
1 stop26h 40mChina Airlines
qua 4/3011:35 amHAN - ONT
1 stop20h 25mChina Airlines
Deal found 1/19$848
This Delta deal was found by Cheapflights users on 1/19. 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.
qua 9/106:00 amONT - HAN
2 stops38h 55mDelta
dom 9/1411:10 pmHAN - ONT
2 stops37h 31mDelta
Deal found 1/19$960
This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/126:00 amONT - HAN
2 stops24h 40mKorean Air
ter 3/1111:00 pmHAN - ONT
2 stops37h 22mKorean Air
Deal found 1/19$1,015
This Mytrip deal was found by Cheapflights users on 1/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/56:00 amONT - HAN
3 stops26h 05mAir Canada
ter 11/1812:25 amHAN - ONT
3 stops37h 10mAir Canada
Deal found 1/18$1,268
This oojo deal was found by Cheapflights users on 1/20. 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.
dom 7/206:00 amONT - HAN
2 stops25h 50mJapan Airlines
qua 8/611:20 pmHAN - ONT
2 stops29h 52mJapan Airlines
Deal found 1/20$1,903
This oojo deal was found by Cheapflights users on 1/20. 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.
qui 4/172:44 pmONT - HAN
2 stops50h 26mQatar Airways
qui 5/13:00 amHAN - ONT
2 stops33h 11mQatar Airways
Deal found 1/20$2,025

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 janeiro 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

ter 4/15

12:10 am-4:50 pm

1 stop26h 40m

Hanoi Noibai

qua 4/30

11:35 am-6:00 pm

1 stop20h 25m

$848

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

dom 4/20

1:20 pm-10:15 pm

2 stops42h 55m

Hanoi Noibai

qua 4/30

11:35 pm-6:01 pm

2 stops32h 26m

$893

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

qua 2/12

6:00 am-9:40 pm

2 stops24h 40m

Hanoi Noibai

ter 3/11

11:00 pm-10:22 pm

2 stops37h 22m

$1,015

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

seg 3/3

6:00 am-11:05 pm

2 stops26h 05m

Hanoi Noibai

ter 3/18

12:25 am-10:45 pm

2 stops36h 20m

$1,521

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

qui 4/17

2:44 pm-7:10 am

2 stops50h 26m

Hanoi Noibai

qui 5/1

3:00 am-10:11 pm

2 stops33h 11m

$2,025

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

sex 3/21

11:59 pm-10:30 pm

2 stops32h 31m

Hanoi Noibai

sex 4/4

11:20 pm-9:59 pm

3 stops36h 39m

$4,947

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

qui 3/13

6:00 am-10:30 pm

2 stops26h 30m

Hanoi Noibai

seg 3/31

11:20 pm-6:23 pm

2 stops33h 03m

$5,150

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

qua 3/5

6:00 am-11:05 pm

2 stops26h 05m

$429

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

ter 2/11

6:15 am-11:05 pm

2 stops25h 50m

$443

OntarioHanoi

ONT - HAN

ONTHAN

Ontario

ter 4/15

12:10 am-4:50 pm

1 stop26h 40m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 janeiro 20, 2025.
Get a feel of what it's like to fly with Qatar Airways and China 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.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

Delta
8.0
Very good
8,521 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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
3,754 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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 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 $848. Additional round-trip tickets that might be worth considering are offered by United Airlines and Korean Air, with the lowest prices starting at $893 and $1,015, respectively. These flights start at 24% lower than the current average price 3 months from now.

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

    $429 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on China Airlines and Delta, with prices starting from $487 and $525, 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 janeiro 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$807Average$981FlexibilityNo cancel feeOn-time70%
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