HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Hanoi (HAN) to Ontario (ONT) from $544

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HAN — ONT
jun. 2 — jun. 91
From?
To?
dom. 6/2
dom. 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 mayo 28, 2024.

Round-trip from

$238
From Hanoi Noibai to Ontario
Search Deals

What is the cheapest day to fly round-trip from Hanoi to Ontario?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Hanoi to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 52 days in advance, which can save you up to 41% on flights from Hanoi to Ontario compared to booking the week you need them. Waiting 52 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $857. For sooner than that we have options available in the next 3 days from $857.

What is the cheapest month to fly from Hanoi to Ontario?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, November can be a great choice for travel to Ontario. Flights to Ontario from Hanoi in November are about $1,057 on average during November, but can be found for as low as $796.

When is the cheapest time to fly from Hanoi to Ontario (HAN - ONT)?

When flying from Hanoi to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at noon.

Cheap United Airlines flights from Hanoi to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Hanoi and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Hanoi to Ontario. Make sure to double check the flight details before booking.
jue. 6/2011:35 pmHAN - ONT
2 stops36h 52mUnited Airlines
mar. 8/275:15 amONT - HAN
2 stops27h 00mUnited Airlines
Deal found 5/27$994
sáb. 8/1011:35 pmHAN - ONT
2 stops32h 18mUnited Airlines
dom. 9/296:15 amONT - HAN
2 stops26h 00mUnited Airlines
Deal found 5/27$1,352
dom. 8/2511:35 pmHAN - ONT
2 stops32h 21mUnited Airlines
lun. 9/27:40 amONT - HAN
2 stops24h 35mUnited Airlines
Deal found 5/27$3,067

Cheap China Airlines flights from Hanoi to Ontario

Explore cheap flight options specifically provided by China Airlines for the route between Hanoi and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Take a gander at the lowest prices we've found on China Airlines flights from Hanoi to Ontario. Deals are refreshing constantly so come back soon for more options.
sáb. 8/1011:35 amHAN - ONT
1 stop21h 05mChina Airlines
sáb. 9/2812:10 amONT - HAN
1 stop20h 25mChina Airlines
Deal found 5/27$1,301
jue. 6/2011:35 amHAN - ONT
1 stop20h 30mChina Airlines
lun. 8/2612:45 amONT - HAN
1 stop26h 05mChina Airlines
Deal found 5/27$1,943
dom. 8/2511:35 amHAN - ONT
1 stop21h 05mChina Airlines
dom. 9/112:45 amONT - HAN
1 stop19h 50mChina Airlines
Deal found 5/27$3,443

Cheap Hanoi to Ontario flights in May & June 2024

Find cheap flight options from Hanoi to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on mayo 28, 2024.
The lowest fares we've come across on flights traveling from Hanoi to Ontario in May and June 2024. More deals are always being added, so be sure to check back regularly.
jue. 6/2011:35 pmHAN - ONT
2 stops36h 52mUnited Airlines
mar. 8/275:15 amONT - HAN
2 stops27h 00mUnited Airlines
Deal found 5/27$994
jue. 6/2711:35 amHAN - ONT
1 stop20h 30mChina Airlines
mié. 7/312:45 amONT - HAN
1 stop19h 50mChina Airlines
Deal found 5/28$1,229
jue. 6/2711:35 pmHAN - ONT
2 stops37h 10mUnited Airlines
jue. 7/46:10 amONT - HAN
2 stops26h 05mUnited Airlines
Deal found 5/28$1,670
jue. 6/2011:35 amHAN - ONT
1 stop20h 30mChina Airlines
lun. 8/2612:45 amONT - HAN
1 stop26h 05mChina Airlines
Deal found 5/27$1,943

Hanoi to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Hanoi and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
The lowest fares we've come across on flights traveling from Hanoi to Ontario in May and June 2024. More deals are always being added, so be sure to check back regularly.
jue. 6/2011:35 pmHAN - ONT
2 stops36h 52mUnited Airlines
mar. 8/275:15 amONT - HAN
2 stops27h 00mUnited Airlines
Deal found 5/27$994
jue. 6/2711:35 amHAN - ONT
1 stop20h 30mChina Airlines
mié. 7/312:45 amONT - HAN
1 stop19h 50mChina Airlines
Deal found 5/28$1,229
sáb. 8/1011:35 amHAN - ONT
1 stop21h 05mChina Airlines
sáb. 9/2812:10 amONT - HAN
1 stop20h 25mChina Airlines
Deal found 5/28$1,301
sáb. 8/1011:35 pmHAN - ONT
2 stops32h 18mUnited Airlines
dom. 9/296:15 amONT - HAN
2 stops26h 00mUnited Airlines
Deal found 5/27$1,352
sáb. 8/1011:35 pmHAN - ONT
2 stops32h 18mUnited Airlines
dom. 9/296:15 amONT - HAN
2 stops26h 00mUnited Airlines
Deal found 5/28$1,452
sáb. 8/1011:20 pmHAN - ONT
2 stops38h 38mAmerican Airlines
dom. 9/297:23 pmONT - HAN
3 stops36h 27mAmerican Airlines
Deal found 5/27$1,656
jue. 6/2711:35 pmHAN - ONT
2 stops37h 10mUnited Airlines
jue. 7/46:10 amONT - HAN
2 stops26h 05mUnited Airlines
Deal found 5/28$1,670
vie. 8/93:30 amHAN - ONT
2 stops29h 18mQatar Airways
dom. 9/296:00 amONT - HAN
2 stops35h 15mQatar Airways
Deal found 5/28$1,801
jue. 6/2011:35 amHAN - ONT
1 stop20h 30mChina Airlines
lun. 8/2612:45 amONT - HAN
1 stop26h 05mChina Airlines
Deal found 5/27$1,943

One-way flights to Ontario from Hanoi

Search for one-way flight options from Hanoi to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated mayo 28, 2024.
Users traveling one-way from Hanoi to Ontario can select one of these great deals. Users in need of a round-trip flight from Hanoi to Ontario instead should update the search form at the top of page.
dom. 9/811:35 pmHAN - ONT
2 stops27h 46mUnited Airlines
Deal found 5/27$544
dom. 9/85:50 pmHAN - ONT
1 stop38h 50mChina Airlines
Deal found 5/27$554
jue. 6/65:50 pmHAN - ONT
1 stop38h 15mChina Airlines
Deal found 5/27$571
mar. 6/411:35 amHAN - ONT
1 stop20h 30mChina Airlines
Deal found 5/27$589
sáb. 6/811:35 amHAN - ONT
1 stop20h 30mChina Airlines
Deal found 5/27$606
vie. 6/711:40 pmHAN - ONT
2 stops32h 25mMultiple Airlines
Deal found 5/28$661
lun. 9/92:30 amHAN - ONT
2 stops30h 10mMultiple Airlines
Deal found 5/27$662
mar. 6/115:50 pmHAN - ONT
1 stop38h 15mChina Airlines
Deal found 5/27$740
vie. 6/145:50 pmHAN - ONT
1 stop38h 15mChina Airlines
Deal found 5/27$746

Find flights from Hanoi to Ontario within your budget

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 2,740,132 searches. Data last updated mayo 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$994 - $3,669

Route

Depart

Return

Price

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

jue. 6/20

2 stops36h 52m

Ontario

mar. 8/27

2 stops27h 00m

$994

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 8/10

1 stop21h 05m

Ontario

sáb. 9/28

1 stop20h 25m

$1,301

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 8/10

2 stops32h 18m

Ontario

dom. 9/29

2 stops26h 00m

$1,352

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 8/10

2 stops38h 38m

Ontario

dom. 9/29

3 stops36h 27m

$1,656

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

jue. 6/20

1 stop20h 30m

Ontario

lun. 8/26

1 stop26h 05m

$1,943

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

vie. 8/9

2 stops34h 29m

Ontario

dom. 9/29

2 stops35h 15m

$2,542

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

dom. 8/25

2 stops32h 21m

Ontario

lun. 9/2

2 stops24h 35m

$3,067

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

dom. 8/25

1 stop21h 05m

Ontario

dom. 9/1

1 stop19h 50m

$3,443

Hanoi NoibaiOntario

HAN - ONT

HANONT

Hanoi Noibai

sáb. 8/10

3 stops36h 20m

Ontario

dom. 9/29

3 stops36h 27m

$3,669

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time to fly from Hanoi to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Hanoi to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Hanoi to Ontario flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °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 mayo 28, 2024.
See what other customers who have flown with United Airlines, China Airlines and American Airlines 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.
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

Japan Airlines
8.3
Very good
1,472 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

China Airlines
8.3
Very good
897 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

Emirates
8.1
Very good
3,919 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

Qatar Airways
7.7
Good
4,342 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

United Airlines
7.4
Good
10,799 reviews
Japan Airlines
8.3
Very good
1,472 reviews
Check prices

Boarding

8.4

Food

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 10

Our flight was changed a couple of times. It was a choas just to a boarding pass!! Boarding was not better!

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.

  • Can I find flights from Hanoi to Ontario for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Hanoi to Ontario for under $1,000. The cheapest flight booked recently is on United Airlines for just $994, but on average you can expect to pay $2,921.

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

    Cheapflights users have booked flights from Hanoi to Ontario round-trip from $994. Other airlines that can offer you cheap pricing are China Airlines, from $1,301, and American Airlines, from $1,656.

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

    $544 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 American Airlines, with prices starting from $554 and $769, respectively.

  • What does HAN to ONT mean?

    HAN stands for Hanoi Noibai Airport, while ONT stands for Ontario Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Hanoi to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Hanoi to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Hanoi to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Hanoi to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Hanoi to Ontario that allow pets onboard?

    Many airlines flying from Hanoi to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Hanoi to Ontario?

    Yes, you can often find last-minute deals on Hanoi to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Hanoi to Ontario flight deals updated?

    The Hanoi to Ontario flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Hanoi to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Hanoi to Ontario (average of $238). Flying from Hanoi to Ontario in June 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hanoi to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Ho Chi Minh City to Los Angeles flights
Ho Chi Minh City to San Francisco flights
Ho Chi Minh City to Ontario flights
Hanoi to Los Angeles flights
Hanoi to San Francisco flights
Ho Chi Minh City to Santa Ana flights
Ho Chi Minh City to San Jose flights
Da Nang to Los Angeles flights
Da Nang to San Francisco flights
Ho Chi Minh City to San Diego flights
Ho Chi Minh City to Long Beach flights
Ho Chi Minh City to Las Vegas flights
Hanoi to Santa Ana flights
Ho Chi Minh City to Oakland flights
Hanoi to Las Vegas flights
Hanoi to San Jose flights
Nha Trang to Los Angeles flights
Hanoi to San Diego flights
Hanoi to Oakland flights
Da Nang to San Diego flights
Hanoi to Sacramento flights
Nha Trang to Santa Ana flights
Con Dao to Los Angeles flights

Top airline flying from Hanoi to Ontario

Discover the top airline that operate flights from Hanoi to Ontario. 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 2,740,132 searches. Data last updated mayo 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$712Average$976FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Honolulu to Kaua'i flights
Phoenix to New York flights
Phoenix to Miami flights
New Orleans to New York flights
Austin to Dallas flights
Dallas to Cabo San Lucas flights
Tijuana to Guadalajara flights
USA to Dhaka flights
Boston to Austin flights
Denver to Albuquerque flights
Philadelphia to Dallas flights
Hanoi to Chicago O'Hare Intl Airport flights

Search flights from Hanoi to Ontario by cabin class

Find flights from Hanoi to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hanoi to Ontario?

Cheapflights helps you search for flights from Hanoi to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Hanoi to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Hanoi.

Can Cheapflights find flights from Hanoi to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hanoi to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Hanoi to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Hanoi to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines