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Ontario

$482+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$776
(oojo)

One-way from

$482
(FlightHub)

Popular in

August

Cheapest in

October

Average price

$967
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. 11% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This oojo deal was found by Cheapflights users on 7/2. 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.
Fri 12/1911:30 amHAN - ONT
1 stop19h 20mSTARLUX Airlines
Sat 1/39:45 pmONT - HAN
1 stop21h 45mSTARLUX Airlines
Deal found 7/2$776
This lastminute.com deal was found by Cheapflights users on 7/3. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:35 amHAN - ONT
1 stop21h 05mChina Airlines
Mon 7/2112:45 amONT - HAN
1 stop19h 50mChina Airlines
Deal found 7/3$875
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Sat 8/165:30 amHAN - ONT
2 stops27h 10mMultiple Airlines
Fri 8/2212:45 amONT - HAN
2 stops23h 15mMultiple Airlines
Deal found 7/1$1,002
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/711:35 pmHAN - ONT
2 stops37h 17mUnited Airlines
Sun 7/205:05 amONT - HAN
2 stops27h 10mUnited Airlines
Deal found 7/2$1,082
This Qatar Airways deal was found by Cheapflights users on 7/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:30 pmHAN - ONT
2 stops32h 11mQatar Airways
Fri 9/511:39 amONT - HAN
2 stops29h 36mQatar Airways
Deal found 7/2$2,078
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/1611:20 pmHAN - ONT
3 stops36h 19mAmerican Airlines
Sat 8/236:17 amONT - HAN
3 stops25h 33mAmerican Airlines
Deal found 7/1$3,575

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 July 3, 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 12/19

11:30 am-3:50 pm

1 stop19h 20m

Ontario

Sat 1/3

9:45 pm-10:30 am

1 stop21h 45m

$776

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 7/14

11:35 am-6:40 pm

1 stop21h 05m

Ontario

Mon 7/21

12:45 am-10:35 am

1 stop19h 50m

$875

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sat 8/16

5:30 am-6:40 pm

2 stops27h 10m

Ontario

Fri 8/22

12:45 am-2:00 pm

2 stops23h 15m

$1,002

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 7/14

11:35 pm-5:43 pm

2 stops32h 08m

Ontario

Tue 7/22

6:10 am-10:15 pm

2 stops26h 05m

$1,308

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sat 8/23

7:30 pm-1:41 pm

2 stops32h 11m

Ontario

Fri 9/5

11:39 am-7:15 am

2 stops29h 36m

$2,078

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Sat 8/16

11:20 pm-9:39 pm

3 stops36h 19m

Ontario

Sat 8/23

6:17 am-9:50 pm

3 stops25h 33m

$3,575

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Fri 10/31

11:30 am-4:50 pm

1 stop19h 20m

$482

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 10/30

11:35 am-5:50 pm

1 stop20h 15m

$520

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Mon 10/27

12:25 am-10:45 pm

2 stops36h 20m

$547

HanoiOntario

HAN - ONT

HANONT

Hanoi Noibai

Thu 8/14

4:30 am-5:40 pm

2 stops51h 10m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 13 results
1
2

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 $328). 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

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 July 3, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air, and China Airlines from Hanoi to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,215 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
744 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Qatar Airways
7.4
Good
3,594 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,861 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    $482 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 China Airlines and United Airlines, with prices starting from $520 and $547, 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 $328). 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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