Cheap flights Ontario — Hanoi from $689

Q: How long is the flight from Ontario to Hanoi?

Approximate flight time — 15h 2m.

Q: How much do flights from Ontario to Hanoi cost?

The minimum price over 3 months — from $689 on 31.12.2026.

Q: Which airlines fly from Ontario to Hanoi?

This route is served by 1 airline: China Airlines.

Q: From which airports does Ontario operate flights?

From Ontario: ONT (Ontario International Airport).

Q: To which airports in Hanoi do flights arrive?

To Hanoi: HAN (Noi Bai International Airport).

Q: Which day of the week is cheapest?

The cheapest day of the week — Thursday.

Q: When is the best time to buy tickets Ontario — Hanoi?

Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.

How many travellers?

Adults

12+ years

Children

2–11 years

Infants

under 2

Choose your departure date

Cheapest: $689 on 31.12.2026

Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.

November 2026

December 2026

January 2027

Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.

Depart

—

Return

—

Cheapest flights found

31 Dec 2026, Thu

China Airlines CI 23

09:50

ONT Ontario International Airport

03:50

HAN Noi Bai International Airport

18h 1 stop

View this ticket

Route characteristics

Distance

12 356 km

Flight time

15h 2m

Time difference

+14h

Minimum price

from $689 (31.12.2026)

Average price

$689

Maximum price

$689

Cheapest day

Thursday

Departure airports (1)

ONT Ontario International Airport

Arrival airports (1)

HAN Noi Bai International Airport

Airlines (1)

CI China Airlines

Agencies (1)

Trip.com

Airlines — cheapest prices 1

China Airlines

1 flights · 1 days

$689

Where to buy tickets 1

Trip.com

1 tickets · 1 days

from $689

Airports

From — Ontario (1)

ONT Ontario International Airport

To — Hanoi (1)

HAN Noi Bai International Airport

Other destinations from Ontario

Frequently asked questions about the route Ontario — Hanoi

How long is the flight from Ontario to Hanoi?

Approximate flight time — 15h 2m. This is an average for a direct flight. With connections, the time may be longer.

What is the distance from Ontario to Hanoi?

The straight-line distance — 12 356 km.

How much do flights from Ontario to Hanoi cost?

The minimum price over 3 months — from $689 on 31.12.2026.

What is the average ticket price?

The average price — $689. Range: $689 — $689.

What is the time difference between Ontario and Hanoi?

The difference — +14h.

From which airports does Ontario operate flights?

From Ontario: ONT (Ontario International Airport).

To which airports in Hanoi do flights arrive?

To Hanoi: HAN (Noi Bai International Airport).

Which airlines fly this route?

This route is served by 1 airline: China Airlines.

Which day of the week is cheapest?

The cheapest day of the week — Thursday.

When is the best time to buy tickets?

Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.

How do I book flights?

Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.

About the route Ontario — Hanoi

Flights Ontario — Hanoi is a popular route. The straight-line distance is 12 356 km. Flight time 15h 2m. Time difference +14h.

From Ontario (ONT) flights depart from 1 airport: ONT. To Hanoi (HAN) — 1 arrival airport: HAN.

1 airline operate on this route: China Airlines.

The minimum price for the next 3 months — from $689 (31.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $689, ranging from $689 to $689. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in Vietnam from Ontario

Cheap flights Ontario — Hanoi

From — Ontario (1)

To — Hanoi (1)

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