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$483+ Cheap flights from Hanoi (HAN) 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — ONT
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Hanoi to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Ontario (ONT). 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$780
(Gotogate)

One-way from

$483
(Mytrip)

Popular in

August

Cheapest in

October

Average price

$1,032
Provider with most accurate pricing for Hanoi Noibai-Ontario flight deals.
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Provider most trusted by Cheapflights users for Hanoi Noibai-Ontario flights.
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From Hanoi Noibai to Ontario
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One-way flight from Hanoi Noibai to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Hanoi to Ontario

Cheapest flights from Hanoi to Ontario
Explore the most affordable flight options available from Hanoi to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Gotogate deal was found by Cheapflights users on 3/24. 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 6/611:10 amHAN - ONT
1 stop19h 55mSTARLUX Airlines
Mon 7/711:45 pmONT - HAN
1 stop27h 05mSTARLUX Airlines
Deal found 3/24$780
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:35 amHAN - ONT
1 stop20h 25mChina Airlines
Thu 10/1612:10 amONT - HAN
1 stop26h 40mChina Airlines
Deal found 3/25$904
This United Airlines deal was found by Cheapflights users on 3/25. 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 10/611:35 pmHAN - ONT
2 stops37h 18mUnited Airlines
Fri 10/175:45 amONT - HAN
2 stops26h 30mUnited Airlines
Deal found 3/25$1,006
This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:10 amHAN - ONT
1 stop19h 55mMultiple Airlines
Fri 10/177:00 amONT - HAN
2 stops37h 40mMultiple Airlines
Deal found 3/24$1,014
This oojo deal was found by Cheapflights users on 3/25. 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 5/48:45 amHAN - ONT
2 stops53h 14mQatar Airways
Sat 5/176:00 amONT - HAN
2 stops35h 15mQatar Airways
Deal found 3/25$2,007
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 3/2711:55 pmHAN - ONT
2 stops33h 06mAmerican Airlines
Sat 4/56:00 amONT - HAN
2 stops25h 50mAmerican Airlines
Deal found 3/23$2,438
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/611:35 pmHAN - ONT
3 stops37h 18mAir Canada
Fri 10/176:00 amONT - HAN
3 stops26h 00mAir Canada
Deal found 3/24$2,598

Cheapflights Fare Finder

Customize your flight search to find flights from Hanoi 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 March 26, 2025.
Use the filters below to find and compare flights from Hanoi to Ontario that are best for you.

Fly from

Hanoi

Fly to

Ontario

Route

Depart

Return

Price

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/6

11:10 am-5:05 pm

1 stop19h 55m

Ontario

Mon 7/7

11:45 pm-4:50 pm

1 stop27h 05m

$780

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 4/10

11:35 am-6:00 pm

1 stop20h 25m

Ontario

Tue 4/22

12:10 am-4:50 pm

1 stop26h 40m

$929

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/6

11:35 pm-10:45 pm

2 stops37h 10m

Ontario

Mon 7/7

6:00 am-10:15 pm

2 stops26h 15m

$1,157

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 4/10

9:35 am-6:00 pm

2 stops22h 25m

Ontario

Tue 4/22

12:10 am-9:30 am

1 stop19h 20m

$1,345

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sun 5/4

8:45 am-11:59 pm

2 stops53h 14m

Ontario

Sat 5/17

6:00 am-7:15 am

2 stops35h 15m

$2,007

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/6

11:10 am-5:05 pm

1 stop19h 55m

$483

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sat 5/3

7:35 am-10:02 am

3 stops40h 27m

$540

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 6/6

11:35 pm-5:39 pm

2 stops32h 04m

$546

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 4/11

11:35 am-6:00 pm

1 stop20h 25m

$567

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sun 8/24

11:20 pm-11:29 pm

2 stops38h 09m

$971

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Hanoi to Ontario

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 Hanoi to Ontario in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Hanoi-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hanoi-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hanoi-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hanoi-Ontario 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 Hanoi-Ontario 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 Hanoi to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Hanoi to Ontario (average of $246). Flying from Hanoi to Ontario in March is currently the most expensive (average of $326). 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 March 26, 2025.
See what other customers who have flown with STARLUX Airlines, China Airlines and Qatar Airways from Hanoi to Ontario have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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.
Qatar Airways
7.4
Good
3,539 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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.
United Airlines
7.4
Good
8,608 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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.
American Airlines
7.2
Good
10,000 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

Overall

9.1

Food

8.9

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 Hanoi to Ontario. 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 to fly from Hanoi to Ontario one-way?

    $483 is the cheapest one-way deal found within the past few days, from STARLUX Airlines. You may also be able to find cheap deals on United Airlines and China Airlines, with prices starting from $546 and $567, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Hanoi to Ontario (average of $246). Flying from Hanoi to Ontario in March is currently the most expensive (average of $326). 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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