Cheap Flights from Phnom Penh to Hanoi from AU$ 179

Flight FAQs

• Which airlines offer the cheapest flights from Phnom Penh to Hanoi?

  Based on Trip.com data, Air Cambodia offers Cheapest nonstop one-way flights from AU$ 179 (for example, KTI–HAN on Sun, Nov 1). For a Cheapest nonstop return flight, Vietnam Airlines offers fares from AU$ 345, departing on Tue, Oct 27 and returning on Wed, Oct 28.

• Which airlines offer direct flights from Phnom Penh to Hanoi?

  At the moment, you can catch a direct flight from Phnom Penh to Hanoi with the following airlines, including: Air Cambodia Vietnam Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flights from Phnom Penh (KTI) to Hanoi (HAN)?

  It takes about 2 hours 30 minutes to fly from Phnom Penh (KTI) to Hanoi (HAN).

• When is the best time to book flights from Phnom Penh to Hanoi?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phnom Penh to Hanoi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Phnom Penh to Hanoi each week?

  On average, 30 direct flights operate each week between Phnom Penh and Hanoi. See below the schedules of the main airlines serving this route:
  Air Cambodia: S/M/T/W/T/F/S – K63920 (departure at 17:47) Vietnam Airlines: S/M/T/W/T/F/S – VN920 (departure at 17:47)

• How can I find the best deals on flights from Phnom Penh to Hanoi?

  Here are some tips for finding the best flight deals from Phnom Penh to Hanoi on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sun, Nov 1, with one-way fares from just AU$ 179.
  · Compare airlines. Air Cambodia currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to Hanoi.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Phnom Penh to Hanoi to get the best price?

  The cheapest month to book a flight from Phnom Penh to Hanoi is usually October, when demand is lower.

• Which upcoming date is the cheapest for flights from Phnom Penh to Hanoi?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Phnom Penh to Hanoi on September 14, 2026 with Air Cambodia, with prices starting at AU$ 185.

• Which airports should you choose for flights from Phnom Penh to Hanoi?

  Flights to Hanoi can arrive at: Noi Bai International Airport (HAN). The most common route connects Techo International Airport and Noi Bai International Airport (KTI–HAN).

• What is the time difference between Phnom Penh and Hanoi?

  The time difference between Hanoi and Phnom Penh is 0m.

• How can I change or cancel my flight ticket from Phnom Penh to Hanoi?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Phnom Penh to Hanoi?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Phnom Penh to Hanoi is AU$ 281. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Phnom Penh to Hanoi?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Phnom Penh to Hanoi is AU$ 514. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Phnom Penh to Hanoi on Trip.com?

  Enter Phnom Penh and Hanoi, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Phnom Penh to Hanoi route?

  VietJet Airare the most popular budget airlines flying from Phnom Penh to Hanoi. Check baggage, seat and payment fees before comparing the final price.