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Cheap Flights from Bangkok (DMK) to Phnom Penh (PNH)

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Flight deals from Don Mueang to Phnom Penh

Looking for a cheap last-minute deal or the best return flight from Don Mueang to Phnom Penh? Find the lowest prices on one-way and return tickets right here.
Phnom Penh.$153 per passenger.Departing Sat, 21 Mar, returning Sat, 4 Apr.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sat, 21 Mar, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Sat, 4 Apr, arriving in Don Mueang.Price includes taxes and charges.From $153, select.
Phnom Penh.$158 per passenger.Departing Fri, 3 Oct, returning Tue, 7 Oct.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Fri, 3 Oct, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Tue, 7 Oct, arriving in Don Mueang.Price includes taxes and charges.From $158, select.
Phnom Penh.$158 per passenger.Departing Sun, 20 Jul, returning Fri, 25 Jul.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sun, 20 Jul, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Fri, 25 Jul, arriving in Don Mueang.Price includes taxes and charges.From $158, select.
Phnom Penh.$158 per passenger.Departing Wed, 20 Aug, returning Wed, 20 Aug.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Wed, 20 Aug, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Wed, 20 Aug, arriving in Don Mueang.Price includes taxes and charges.From $158, select.
Phnom Penh.$159 per passenger.Departing Fri, 16 Jan, returning Mon, 19 Jan.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Fri, 16 Jan, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Mon, 19 Jan, arriving in Don Mueang.Price includes taxes and charges.From $159, select.
Phnom Penh.$159 per passenger.Departing Thu, 20 Nov, returning Mon, 24 Nov.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Thu, 20 Nov, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Mon, 24 Nov, arriving in Don Mueang.Price includes taxes and charges.From $159, select.
Phnom Penh.$160 per passenger.Departing Mon, 28 Jul, returning Sun, 10 Aug.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Mon, 28 Jul, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Sun, 10 Aug, arriving in Don Mueang.Price includes taxes and charges.From $160, select.
Phnom Penh.$161 per passenger.Departing Sat, 21 Feb, returning Thu, 26 Feb.Return flight with Thai AirAsia.Outbound direct flight with Thai AirAsia departs from Don Mueang on Sat, 21 Feb, arriving in Phnom Penh.Inbound direct flight with Thai AirAsia departs from Phnom Penh on Thu, 26 Feb, arriving in Don Mueang.Price includes taxes and charges.From $161, select.

Find the cheapest month to fly from Don Mueang to Phnom Penh

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Don Mueang to Phnom Penh flights are currently cheapest in July.
Jul
from $158
Aug
from $158
Sep
from $164
Oct
from $158
Nov
from $159
Dec
from $172
Jan
from $159
Feb
from $161
Mar
from $165
Apr
from $184
May
from $168
Jun
from $163

Direct flights from Don Mueang to Phnom Penh

Don Mueang to Phnom Penh: Alternative routes

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

Bangkok to Phnom Penh: Flight information

The things to know before you go.
Cheapest flight found$153
Cheapest month to flyMarch
Average flight time1 hr, 14 mins
Most popular airlineThai AirAsia
Average flights per week15

Finding cheap flights from Don Mueang to Phnom Penh: Frequently asked questions

The best price we found for a return flight from Don Mueang to Phnom Penh is $153. 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 14 minutes is the average flight time from Don Mueang to Phnom Penh.
Thai AirAsia flies direct from Don Mueang to Phnom Penh.
As of July 2025, there are 15 flights per week flying from Don Mueang to Phnom Penh.
The cheapest month to fly from Don Mueang to Phnom Penh is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Don Mueang Airport to Phnom Penh Airport on Saturday, 21 March 2026.
Yes – the average flight time is 1 hour and 14 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 offers the cheapest flight tickets to Phnom Penh.

Flying from Don Mueang International Airport (DMK) to Phnom Penh International Airport (PNH): what you need to know

  • The average duration of a direct flight from Don Mueang International Airport to Phnom Penh International Airport is 1 hour 15 minutes.

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

  • Flights from DMK to PNH start at 07:10 — the earliest with Thai AirAsia. The last departure is at 20:30 with Thai AirAsia. In total, there are 20 weekly Don Mueang International Airport to Phnom Penh International Airport flights.

  • Give yourself plenty of time to catch your DMK to PNH flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for bigger queues in popular months such as August. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

  • Flying into Phnom Penh (and then discovering more of Cambodia!) is easy with Thai AirAsia. This popular airline has direct flights from Don Mueang International Airport to Phnom Penh International Airport.

  • Thai AirAsia tops the list for bookings on this route.

  • Thai AirAsia is the most punctual carrier operating DMK to PNH flights.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Don Mueang International Airport to Phnom Penh International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Popular stopovers between DMK and PNH include:

    • Kuala Lumpur International Airport

    • Changi International Airport

    • Hong Kong International Airport

How to find the cheapest flights from Don Mueang International Airport (DMK) to Phnom Penh International Airport (PNH)

  • Right now, $63 is the lowest price we've seen for a one-way Don Mueang International Airport to Phnom Penh International Airport flight. The best price for a return ticket is $153. Remember that fares could change due to demand at the time of booking.

  • To pick up cheap tickets from DMK to PNH, reserve your trip seven months before your planned departure.

  • Organise your trip for June. That's the cheapest month for flights from Don Mueang International Airport to Phnom Penh International Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the lowest airfare across every month.

  • There's no need to check back in every day to see if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from DMK to PNH.

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

Handy information about Don Mueang International Airport (DMK)

  • When it comes to the on-time performance of Don Mueang International Airport, data shows 66.48% of flights meet their scheduled arrival time.

  • Central Bangkok to Don Mueang International Airport is around 27 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Expect a trip time of about 1 hour 5 minutes on public transport.

  • Searching for a convenient hotel near DMK? If you're catching an early flight from Don Mueang International Airport to Phnom Penh International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Phnom Penh International Airport (PNH)

  • Reserve a hotel close to PNH if you're on a late Don Mueang International Airport to Phnom Penh International Airport flight. Select one of these accommodation options and skip the long transfer:

  • Pick up a Phnom Penh International Airport rental car and explore Phnom Penh and beyond with your own wheels. Europcar, Avis and Budget are popular outlets to choose from here.

  • Lock in the best possible rate by booking your ride from Phnom Penh International Airport around one week in advance of your trip.

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

  • Phnom Penh International Airport is roughly 11 kilometres from central Phnom Penh. The drive time takes around 30 minutes.

When to fly to Phnom Penh International Airport (PNH)

  • The quietest month for a flight from Don Mueang International Airport to Phnom Penh International Airport is February, while August is the busiest. Pick the ideal time to go to Phnom Penh based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Phnom Penh is March, with temperatures ranging between 23ºC (73ºF) and 38ºC (100ºF). Book your flights from Don Mueang International Airport to Phnom Penh International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from DMK to PNH in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 33ºC (91ºF) on average.

Explore more of Cambodia

  • Sihanoukville is just one of the many places in Cambodia waiting to be explored after you've experienced Phnom Penh. Around 193 kilometres away to the south-west, its best attractions include Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

  • Battambang is another well-known destination in Cambodia and is around 257 kilometres north-west of Phnom Penh. No trip is complete without a visit to The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Bangkok to Phnom Penh

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