$1,414 Cheap Flights from Bangkok (DMK) to Phnom Penh (PNH)

View $1,414 flight on Fri, Sep 12, 2025Opens in a new window

Popular airlines from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)

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

Prices were available within the past 7 days and start at $1,414 for one-way flights and $1,140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Batik air
Sat, Aug 30 - Tue, Sep 2
DMK
Bangkok
PNH
Phnom Penh
$1,140 Roundtrip, found 4 days ago
$1,140
Roundtrip
found 4 days ago
Select Batik air flight, departing Sat, Aug 30 from Bangkok to Phnom Penh, returning Tue, Sep 2, priced at $1,140 found 4 days ago
Batik air
Sat, Aug 30 - Mon, Sep 1
DMK
Bangkok
PNH
Phnom Penh
$1,142 Roundtrip, found 4 days ago
$1,142
Roundtrip
found 4 days ago
Select Batik air flight, departing Sat, Aug 30 from Bangkok to Phnom Penh, returning Mon, Sep 1, priced at $1,142 found 4 days ago
Batik air
Sat, Aug 30 - Thu, Sep 4
DMK
Bangkok
PNH
Phnom Penh
$1,198 Roundtrip, found 4 days ago
$1,198
Roundtrip
found 4 days ago
Select Batik air flight, departing Sat, Aug 30 from Bangkok to Phnom Penh, returning Thu, Sep 4, priced at $1,198 found 4 days ago
Batik air
Sat, Aug 30 - Wed, Sep 3
DMK
Bangkok
PNH
Phnom Penh
$1,200 Roundtrip, found 4 days ago
$1,200
Roundtrip
found 4 days ago
Select Batik air flight, departing Sat, Aug 30 from Bangkok to Phnom Penh, returning Wed, Sep 3, priced at $1,200 found 4 days ago

Find the cheapest month to fly from Bangkok (DMK) to Phnom Penh (PNH)

May is typically the cheapest month to fly

From $109 - $220 per traveler.

Graph displaying average flight prices per month

Flights from Bangkok (DMK) to Phnom Penh (PNH)
Origin airport
Don Mueang Intl.
Destination airport
Phnom Penh Intl.
Roundtrip price
$1,139
Distance
329 mi
Average flight time
1 hour 12 mins

Bangkok to Phnom Penh Flights

The cheapest times to fly from Bangkok to Phnom Penh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Phnom Penh are during the month of August. You can find some of the cheapest flights from Bangkok to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Phnom Penh

Sunday is one of the best days to book for cheap flights from Bangkok to Phnom Penh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Phnom Penh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,414 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Phnom Penh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Phnom Penh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH) cost?
Get a cheap one-way flight from $1,414 or cheap return flight from $1,140 from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
Traveling in August may help you find better deals, as it's the cheapest month for flights between DMK and PNH. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
If you're departing from Don Mueang Intl. Airport (DMK), you can catch a direct flight to Phnom Penh Intl. Airport (PNH) with Thai AirAsia.
What is the cheapest airline that flies from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DMK to PNH flight.
How many flights per day from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
When departing from Don Mueang Intl. Airport (DMK), you'll have your pick from an average of 2 daily direct flights to Phnom Penh Intl. Airport (PNH).
What are the most popular departure times for flights from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
More people fly between DMK and PNH at 7 AM than at any other time of day. Looking for a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from DMK to PNH?
Sunday has the most flights from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH). Consider leaving on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
Don Mueang Intl. Airport (DMK)'s earliest flight to Phnom Penh Intl. Airport (PNH) is at approximately 7:10AM UTC+7. With a travel duration of 1h 15m, you'll touch down at around 8:25AM UTC+7.
How long does it take to fly from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
The average flight duration from DMK to PNH is 1 hour and 15 minutes, covering a total distance of 330 mi.
What airline has the least delays from DMK to PNH?
With 89% of journeys generally arriving as scheduled, Thai AirAsia has the best on-time performance for direct flights from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
To avoid possible delays on the Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phnom Penh from Don Mueang Intl. Airport (DMK)?
Phnom Penh Intl. Airport (PNH) is the only airport in Phnom Penh with direct flights from Don Mueang Intl. Airport (DMK). Consider your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your ticket from DMK to PNH right before your journey is generally more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a DMK to PNH flight and hotel package?
Compared with arranging flights and hotels separately, booking a DMK to PNH flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Don Mueang Intl. Airport (DMK) to Phnom Penh Intl. Airport (PNH)?
If you reserved your DMK to PNH flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

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*Available to One Key members.