Which airports can I use when flying from Ontario to Hanoi?

Flights from Ontario to Hanoi usually depart from Ontario (ONT) and arrive at Hanoi Noibai (HAN).

What cabin classes can I book on flights from Ontario to Hanoi?

Three cabin classes are available on flights from Ontario to Hanoi: • Economy Class • Premium Economy Class • First Class

Which airports do connecting flights from Ontario to Hanoi pass through?

Most connecting flights from Ontario to Hanoi pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Ontario to Hanoi?

Yes. Flexible dates can save you up to 28% on flights from Ontario to Hanoi. Monday is the cheapest departure day at $783 round-trip on average, while Friday is the most expensive at $1,081, a difference of $298. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Hanoi?

Some of the most popular sights in Hanoi are Hoan Kiem Lake, Old City Gate and Hanoi Opera House. These are among the most viewed places in Hanoi on KAYAK.

How long is a flight from Ontario to Hanoi?

A nonstop flight from Ontario to Hanoi takes 00m, covering 7,664 miles.

Do I need a passport to fly from Ontario to Hanoi?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Ontario to Hanoi looking right now?

One-way fares from Ontario to Hanoi are currently lower than usual. Average one-way flight prices are about $419, which is 27% below the typical average for this route.

What is the time difference between Ontario and Hanoi?

Hanoi is 14 hours ahead of Ontario (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a Ontario to Hanoi flight?

Round-trip flights from Ontario to Hanoi range from $806 to $1,081, with an average of $874 over the past 12 months. Anything below $806 counts as a good deal.

How much is a round-trip flight from Ontario to Hanoi?

Round-trip flights from Ontario to Hanoi typically range from $806 to $1,081. The lowest price found in the past 5 days was $736, on Delta.

What's the cheapest day of the week to fly from Ontario to Hanoi?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ontario to Hanoi. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 23% higher.

What’s the cheapest month to fly from Ontario to Hanoi?

•November is the cheapest month to fly from Ontario to Hanoi at $758 round-trip. •December ($1,986) and July ($1,266) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 162% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from Ontario to Hanoi?

Delta ($736) and Korean Air ($757) are the cheapest airlines to fly round-trip from Ontario to Hanoi according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Ontario to Hanoi?

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average round-trip price of $1,013. Based on KAYAK data over the past 3 months.

When flying from Ontario to Hanoi which airport offers the shortest layover?

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Ontario to Hanoi layovers at 12h 37m over the past 3 months.

$375 CHEAP FLIGHTS from Ontario to Hanoi (ONT - HAN)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$736

Typical prices: $806-$1,081

Delta

Wed 2/7Sat 2/17

ONT - HAN • 2 stops

Cheapest one-way

$375

Typical prices: $465-$588

Korean Air

Fri 2/2

ONT - HAN • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Ontario and Hanoi. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

November

Cheapest • 13% price drop

February

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Hanoi!

Flight Deals

Cheap Flights from Ontario to Hanoi (ONT-HAN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Hanoi

Sun, Feb 7 - Wed, Feb 17

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 10:43 pmHAN Hanoi Noibai-ONT Ontario

38h 38m2 stops Incheon Intl Seattle/Tacoma Intl

$736Delta

Sun, Jan 24 - Sat, Feb 6

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 10:34 pmHAN Hanoi Noibai-ONT Ontario

38h 29m2 stops Incheon Intl Seattle/Tacoma Intl

$736Delta

Fri, Nov 13 - Fri, Nov 20

7:00 am - 11:10 amONT Ontario-HAN Hanoi Noibai

37h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 pm - 11:00 pmHAN Hanoi Noibai-ONT Ontario

25h 40m2 stops Incheon Intl Seattle/Tacoma Intl

$757Korean Air

Sun, Feb 7 - Mon, Mar 1

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 4:12 pmHAN Hanoi Noibai-ONT Ontario

32h 07m2 stops Incheon Intl Salt Lake City

$783Delta

Mon, Feb 8 - Sat, Feb 27

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 4:12 pmHAN Hanoi Noibai-ONT Ontario

32h 07m2 stops Incheon Intl Salt Lake City

$783Delta

Sun, Feb 7 - Sat, Feb 27

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 4:12 pmHAN Hanoi Noibai-ONT Ontario

32h 07m2 stops Incheon Intl Salt Lake City

$783Delta

Sun, Feb 7 - Tue, Mar 2

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 10:43 pmHAN Hanoi Noibai-ONT Ontario

38h 38m2 stops Incheon Intl Seattle/Tacoma Intl

$783Delta

Mon, Feb 8 - Thu, Mar 4

7:00 am - 9:45 pmONT Ontario-HAN Hanoi Noibai

23h 45m2 stops Seattle/Tacoma Intl Incheon Intl

11:05 pm - 10:43 pmHAN Hanoi Noibai-ONT Ontario

38h 38m2 stops Incheon Intl Seattle/Tacoma Intl

$783Delta

Fri, Mar 26 - Mon, Apr 5

11:50 pm - 10:30 amONT Ontario-HAN Hanoi Noibai

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:30 am - 6:00 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$923China Airlines

Thu, Apr 8 - Fri, Apr 30

12:10 am - 4:50 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:30 am - 6:00 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$925China Airlines

Recent last minute flight deals from Ontario to Hanoi

Wed, Nov 4 - Wed, Nov 11

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$996China Airlines

Wed, Nov 4 - Wed, Nov 11

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,033China Airlines

Sun, Nov 1 - Tue, Dec 15

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,033China Airlines

Tue, Nov 3 - Tue, Nov 17

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,034China Airlines

Sat, Oct 31 - Thu, Nov 26

11:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,036China Airlines

Mon, Nov 2 - Thu, Nov 26

10:50 pm - 4:30 pmONT Ontario-HAN Hanoi Noibai

26h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,036China Airlines

Wed, Nov 4 - Thu, Nov 26

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,036China Airlines

Sun, Nov 1 - Thu, Nov 26

10:50 pm - 10:35 amONT Ontario-HAN Hanoi Noibai

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:35 am - 5:05 pmHAN Hanoi Noibai-ONT Ontario

20h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,036China Airlines

Wed, Nov 4 - Tue, Nov 10

6:00 am - 11:05 pmONT Ontario-HAN Hanoi Noibai

26h 05m2 stops San Francisco Tokyo Narita

12:25 am - 12:29 pmHAN Hanoi Noibai-ONT Ontario

27h 04m2 stops Tokyo Narita San Francisco

$1,259United Airlines

Tue, Nov 3 - Mon, Nov 16

5:00 am - 11:05 pmONT Ontario-HAN Hanoi Noibai

27h 05m2 stops Denver Intl Tokyo Narita

12:25 am - 3:33 pmHAN Hanoi Noibai-ONT Ontario

30h 08m2 stops Tokyo Narita San Francisco

$1,340United Airlines

Booking Insights

Price, demand and travel trends for Ontario to Hanoi flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Hanoi? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Hanoi departing in february.
What's the cheapest day of the week to fly from Ontario to Hanoi?: Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Ontario to Hanoi. It’s 11% cheaper than the average day, while Friday is the most expensive, with prices 23% higher.
What’s the cheapest month to fly from Ontario to Hanoi? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Ontario to Hanoi, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •November is the cheapest month to fly from Ontario to Hanoi at $758 round-trip.
•December ($1,986) and July ($1,266) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 162% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	October
High season	February
Cheapest flight	$375

Beat the crowds with an average 73% drop in travelers.

The most popular month to fly with an average 93% increase in travelers.

One-way flight from Ontario to Hanoi

When to book flights from Ontario to Hanoi

Are your dates flexible? Find out the best times to travel from Ontario to Hanoi based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to Hanoi?
Three cabin classes are available on flights from Ontario to Hanoi:

• Economy Class
• Premium Economy Class
• First Class
How long is a flight from Ontario to Hanoi?
A nonstop flight from Ontario to Hanoi takes 00m, covering 7,664 miles.
Do I need a passport to fly from Ontario to Hanoi?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Ontario to Hanoi flight?
Round-trip flights from Ontario to Hanoi range from $806 to $1,081, with an average of $874 over the past 12 months. Anything below $806 counts as a good deal.
How are flight prices from Ontario to Hanoi looking right now?
One-way fares from Ontario to Hanoi are currently lower than usual. Average one-way flight prices are about $419, which is 27% below the typical average for this route.
Which airports can I use when flying from Ontario to Hanoi?
Flights from Ontario to Hanoi usually depart from Ontario (ONT) and arrive at Hanoi Noibai (HAN).
Which airports do connecting flights from Ontario to Hanoi pass through?
Most connecting flights from Ontario to Hanoi pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Ontario to Hanoi?
Yes. Flexible dates can save you up to 28% on flights from Ontario to Hanoi. Monday is the cheapest departure day at $783 round-trip on average, while Friday is the most expensive at $1,081, a difference of $298.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Ontario and Hanoi?
Hanoi is 14 hours ahead of Ontario (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Hanoi?
Some of the most popular sights in Hanoi are Hoan Kiem Lake, Old City Gate and Hanoi Opera House. These are among the most viewed places in Hanoi on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $783, about $298 less than Friday fares (28% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Hanoi trip for November. Fares historically average $758 round-trip in that month - typically $1,228 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Hanoi Noibai Airport.

• Family Transit Hotel

More options for your flight from Ontario to Hanoi

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Complete your trip to Hanoi with a hotel stay or car rental

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Vacations in Hanoi

ONT - HAN

$375 Find Cheap Flights from Ontario to Hanoi - Compare and Save

Everything you should know

Cheap Flights from Ontario to Hanoi (ONT-HAN)

Recent round-trip flight deals from Ontario to Hanoi

Recent one-way flight deals from Ontario to Hanoi

Recent last minute flight deals from Ontario to Hanoi

Price, demand and travel trends for Ontario to Hanoi flights

How much is a round-trip flight from Ontario to Hanoi?

What's the cheapest day of the week to fly from Ontario to Hanoi?

What’s the cheapest month to fly from Ontario to Hanoi?

Which airline is the cheapest to fly from Ontario to Hanoi?

What is the cheapest layover airport when flying from Ontario to Hanoi?

When flying from Ontario to Hanoi which airport offers the shortest layover?

Key details for Ontario to Hanoi flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Hanoi

Your Ontario to Hanoi flight questions, answered

Your guide to booking Ontario to Hanoi flights

More options for your flight from Ontario to Hanoi

Complete your trip to Hanoi with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Hanoi

Find direct flights to and from Ontario and Hanoi

Flights from domestic origins to Hanoi

Flights to other popular destinations

Find deals for your return flight