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Cheap Flights from Vientiane (VTE) to Phnom Penh (PNH)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Vientiane to Phnom Penh flight deals

      Find the cheapest month or even day of the year to fly to Phnom Penh

      Book the best Phnom Penh fare with no extra fees

      Flight deals from Vientiane to Phnom Penh

      Looking for a cheap last-minute deal or the best return flight from Vientiane to Phnom Penh? Find the lowest prices on one-way and return tickets right here.
      Phnom Penh.$408 per passenger.Departing Fri, 5 Sep, returning Thu, 9 Oct.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Fri, 5 Sep, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Thu, 9 Oct, arriving in Vientiane.Price includes taxes and charges.From $408, select.
      Phnom Penh.$426 per passenger.Departing Sun, 14 Sep, returning Wed, 24 Sep.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Sun, 14 Sep, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Wed, 24 Sep, arriving in Vientiane.Price includes taxes and charges.From $426, select.
      Phnom Penh.$428 per passenger.Departing Fri, 15 Aug, returning Fri, 22 Aug.Return flight with Thai AirAsia and Thai VietJet Air.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Fri, 15 Aug, arriving in Phnom Penh.Inbound indirect flight with Thai VietJet Air, departs from Phnom Penh on Fri, 22 Aug, arriving in Vientiane.Price includes taxes and charges.From $428, select.
      Phnom Penh.$444 per passenger.Departing Fri, 13 Mar, returning Sun, 15 Mar.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Fri, 13 Mar, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Sun, 15 Mar, arriving in Vientiane.Price includes taxes and charges.From $444, select.
      Phnom Penh.$444 per passenger.Departing Thu, 15 Jan, returning Sun, 18 Jan.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Thu, 15 Jan, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Sun, 18 Jan, arriving in Vientiane.Price includes taxes and charges.From $444, select.
      Phnom Penh.$444 per passenger.Departing Thu, 15 Jan, returning Tue, 3 Feb.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Thu, 15 Jan, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Tue, 3 Feb, arriving in Vientiane.Price includes taxes and charges.From $444, select.
      Phnom Penh.$444 per passenger.Departing Thu, 11 Dec, returning Mon, 15 Dec.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Thu, 11 Dec, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Mon, 15 Dec, arriving in Vientiane.Price includes taxes and charges.From $444, select.
      Phnom Penh.$444 per passenger.Departing Thu, 26 Feb, returning Sun, 15 Mar.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Thu, 26 Feb, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Sun, 15 Mar, arriving in Vientiane.Price includes taxes and charges.From $444, select.

      Find the cheapest month to fly from Vientiane to Phnom Penh

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Vientiane to Phnom Penh flights are currently cheapest in September.
      Aug
      from $428
      Sep
      from $426
      Oct
      from $445
      Nov
      from $445
      Dec
      from $444
      Jan
      from $444
      Feb
      from $445
      Mar
      from $444
      Apr
      from $517
      May
      Find prices
      Jun
      from $445
      Jul
      Find prices

      Direct flights from Vientiane to Phnom Penh

      Vientiane to Phnom Penh: Alternative routes

      Compare routes from Vientiane to Phnom Penh below. You may find an airport to fly into that's cheaper, faster, or easier than Phnom Penh.

      Vientiane to Phnom Penh: Flight information

      The things to know before you go.
      Cheapest flight found$408
      Cheapest month to flySeptember
      Average flight time1 hr, 30 mins
      Most popular airlineAir Cambodia
      Average flights per week15

      Finding cheap flights from Vientiane to Phnom Penh: Frequently asked questions

      The best price we found for a return flight from Vientiane to Phnom Penh is $408. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      1 hour and 30 minutes is the average flight time from Vientiane to Phnom Penh.
      Air Cambodia and Vietnam Airlines fly direct from Vientiane to Phnom Penh.
      As of August 2025, there are 15 flights per week flying from Vientiane to Phnom Penh.
      The cheapest month to fly from Vientiane to Phnom Penh is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Vientiane Airport to Phnom Penh Airport on Friday, 5 September 2025.
      Yes – the average flight time is 1 hour and 30 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phnom Penh but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Phnom Penh is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, Thai AirAsia and Vietnam Airlines offer the cheapest flight tickets to Phnom Penh.

      Flying from Wattay International Airport (VTE) to Phnom Penh International Airport (PNH): what you need to know

      • Hop on a direct flight from Wattay International Airport to Phnom Penh International Airport and you'll be in the air for an average of 1 hour 25 minutes.

      • Phnom Penh's timezone is UTC+7, which is the same as Vientiane.

      • Pack your suitcase and choose from 86 weekly Wattay International Airport to Phnom Penh International Airport flights.

      • Your VTE to PNH flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

      • You can expect longer queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

      • Travelling to Phnom Penh (and then seeing more of Cambodia!) is a snap with Lao Airlines. This popular airline has direct flights from Wattay International Airport to Phnom Penh International Airport.

      • The airline with the highest booking volume on this route is Lao Airlines.

      • Vietnam Airlines tops the rankings as the most punctual carrier for VTE to PNH flights, with 96.0% of services arriving on schedule.

      How to find the cheapest flights from Wattay International Airport (VTE) to Phnom Penh International Airport (PNH)

      • Right now, $183 is the cheapest price we've seen for a one-way Wattay International Airport to Phnom Penh International Airport flight. The best price for a return plane ticket is $408. Bear in mind that fares may change due to availability at the time of booking.

      • Book five months before you travel. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from VTE to PNH.

      • April is the cheapest month for flights from Wattay International Airport to Phnom Penh International Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

      • Landing cheap flights from VTE to PNH couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when there's a better deal.

      • Tailor your trip with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Wattay International Airport to Phnom Penh International Airport.

      Handy information about Wattay International Airport (VTE)

      • Of the flights that depart from Wattay International Airport, 73.92% land on time at their destination.

      • To get to Wattay International Airport from central Vientiane, it takes about 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 8 kilometres from the airport to the city centre.

      • Have an early flight from Wattay International Airport to Phnom Penh International Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these hotels near VTE:

      Arriving at Phnom Penh International Airport (PNH)

      • If you're coming in on a late Wattay International Airport to Phnom Penh International Airport flight, nothing beats the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and resting shortly after at one of these accommodation options near PNH:

      • Begin your adventure by picking up a Phnom Penh International Airport rental car. Grab a set of wheels from Europcar, Avis or Budget and experience the lesser-explored corners of Phnom Penh and beyond.

      • Booking your ride from Phnom Penh International Airport around one week ahead can help you secure the lowest rate.

      Getting from Phnom Penh International Airport (PNH) to central Phnom Penh

      • From Phnom Penh International Airport, Phnom Penh is approximately 11 kilometres away. It takes around 30 minutes to get to the centre driving.

      When to fly to Phnom Penh International Airport (PNH)

      • August is the most popular month for flights from Wattay International Airport to Phnom Penh International Airport. To escape the crowds, travel to Phnom Penh in February.

      • When booking your flight from Wattay International Airport to Phnom Penh International Airport, consider the type of weather you enjoy. March is the warmest month in Phnom Penh, with temperatures ranging from 23ºC (73ºF) to 38ºC (100ºF).

      • January has average temperatures of between 20ºC (68ºF) and 33ºC (91ºF). Search for cheap tickets from VTE to PNH sometime around then if you like cooler conditions.

      Explore more of Cambodia

      • Phnom Penh is always a good idea, but there are so many other parts of Cambodia waiting to be discovered. Around 193 kilometres south-west of Phnom Penh, a visit to Sihanoukville will keep your itinerary packed. Check out popular attractions like Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

      • If you want to check out another side of Cambodia, head for Battambang, roughly 257 kilometres north-west of Phnom Penh. The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden are key reasons to visit.

      Plan the rest of your trip from Vientiane to Phnom Penh

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.