Cheap Flights from Siem Reap to Hanoi from $70

Frequently Asked Questions

• What are the cheapest flights from Siem Reap to Hanoi (SAI-HAN)?

  Based on Trip.com data, VietJet Air offers one-way fares as low as $70 on Cheapest nonstop routes (e.g. SAI to HAN on Wed, Dec 2), while VietJet Air offers Cheapest nonstop round-trips from $139 departing on Wed, Nov 4 and returning on Fri, Nov 6.

• Which airlines offer direct flights from Siem Reap to Hanoi?

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

• How long does it take to fly from Siem Reap (SAI) to Hanoi (HAN) and what is the distance?

  It takes around 2 hours 5 minutes to fly from Siem Reap (SAI) to Hanoi (HAN).

• When is the best time to book flights from Siem Reap 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 Siem Reap 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 per week from Siem Reap to Hanoi?

  Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from Siem Reap to Hanoi. You can check the weekly schedule for popular airlines on this route below: Vietnam Airlines: S/M/T/W/T/F/S -- VN836 (18:28) Air Cambodia: S/M/T/W/T/F/S -- K63836 (18:28)

• How can I find the best deals on flights from Siem Reap to Hanoi?

  To find best deals on flights from Siem Reap to Hanoi, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Dec 2, with one-way flights priced at just $70.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is VietJet Air.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Hanoi travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Siem Reap (SAI) to Hanoi (HAN) the cheapest?

  The cheapest months to fly from Siem Reap to Hanoi is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Siem Reap to Hanoi on?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Siem Reap to Hanoi on October 19, 2026 with VietJet Air, with prices starting at $61.

• Which airports can I fly into Hanoi from Siem Reap?

  You can arrive at any of the following airports in Hanoi: Noi Bai International Airport (HAN). Flights from Siem Reap Angkor International Airport to Noi Bai International Airport (SAI-HAN) are by far the most popular option for this route.

• Is there any time difference between Siem Reap and Hanoi?

  The time difference between Hanoi and Siem Reap is 0m.

• How do I change or cancel my ticket from Siem Reap to Hanoi?

  Tickets can only be changed or canceled 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 cost of a one-way flight from Siem Reap to Hanoi?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Siem Reap to Hanoi is $282. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Siem Reap to Hanoi?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Siem Reap to Hanoi is $394. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Siem Reap to Hanoi on Trip.com?

  Enter Siem Reap 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 Siem Reap to Hanoi route?

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