Cheap Flights from Vientiane to Phnom Penh from US$133

Frequently Asked Questions

• What are the cheapest flights from Vientiane to Phnom Penh (VTE-KTI)?

  Based on Trip.com data, Thai AirAsia offers one-way fares as low as US$133 on Cheapest nonstop routes (e.g. VTE to KTI on Wed, Jun 24), while Thai AirAsia offers Cheapest nonstop round-trips from US$346 departing on Tue, Jul 14 and returning on Wed, Jul 15.

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

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

• How long is a flight from Vientiane to Phnom Penh?

  It takes about 1 hour 45 minutes to fly from Vientiane to Phnom Penh.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Vientiane to Phnom Penh 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 Vientiane to Phnom Penh?

  Based on Trip.com data in the past 4 weeks, there is 6 flight per week flying from Vientiane to Phnom Penh. You can check the weekly schedule for popular airlines on this route below: Vietnam Airlines: S/M/T/W/T/F/S -- VN921 (11:21) Cambodia Airways: -/-/-/W/T/-/S -- KR766 (16:53)

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

  To find best deals on flights from Vientiane to Phnom Penh, 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, Jun 24, with one-way flights priced at just US$133.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Vietnam Airlines.
  · 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 Phnom Penh travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Vientiane (VTE) to Phnom Penh (KTI) the cheapest?

  The cheapest months to fly from Vientiane to Phnom Penh is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Vientiane to Phnom Penh on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Vientiane to Phnom Penh on June 9, 2026 with Lao Airlines, with prices starting at US$136.

• Which airports can I fly to for Phnom Penh from Vientiane?

  You can land at any one of the following hubs in Phnom Penh, with Wattay International Airport to Techo International Airport (VTE-KTI) is by far the most common option on this route: Techo International Airport (KTI) Phnom Penh International Airport (PNH).

• Is there any time difference between Vientiane and Phnom Penh?

  The time difference between Phnom Penh and Vientiane is 0h.

• How do I change or cancel my ticket from Vientiane to Phnom Penh?

  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.