$1,370 Cheap Flights from Bangkok (DMK) to Phnom Penh (PNH)

View $1,370 flight on Wed, Jul 23, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $1,370 for one-way flights and $477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Myanmar Airways International
Fri, Aug 15 - Sun, Aug 31
DMK
Bangkok
PNH
Phnom Penh
$477 Roundtrip, found 7 hours ago
$477
Roundtrip
found 7 hours ago
Select Myanmar Airways International flight, departing Fri, Aug 15 from Bangkok to Phnom Penh, returning Sun, Aug 31, priced at $477 found 7 hours ago
Myanmar Airways International
Wed, Jul 16 - Fri, Jul 18
DMK
Bangkok
PNH
Phnom Penh
$478 Roundtrip, found 4 days ago
$478
Roundtrip
found 4 days ago
Select Myanmar Airways International flight, departing Wed, Jul 16 from Bangkok to Phnom Penh, returning Fri, Jul 18, priced at $478 found 4 days ago
Myanmar Airways International
Fri, Aug 8 - Sun, Aug 24
DMK
Bangkok
PNH
Phnom Penh
$486 Roundtrip, found 7 hours ago
$486
Roundtrip
found 7 hours ago
Select Myanmar Airways International flight, departing Fri, Aug 8 from Bangkok to Phnom Penh, returning Sun, Aug 24, priced at $486 found 7 hours ago
Batik air
Fri, Aug 15 - Tue, Sep 2
DMK
Bangkok
PNH
Phnom Penh
$1,144 Roundtrip, found 7 hours ago
$1,144
Roundtrip
found 7 hours ago
Select Batik air flight, departing Fri, Aug 15 from Bangkok to Phnom Penh, returning Tue, Sep 2, priced at $1,144 found 7 hours ago
Batik air
Wed, Aug 20 - Tue, Sep 2
DMK
Bangkok
PNH
Phnom Penh
$1,146 Roundtrip, found 7 hours ago
$1,146
Roundtrip
found 7 hours ago
Select Batik air flight, departing Wed, Aug 20 from Bangkok to Phnom Penh, returning Tue, Sep 2, priced at $1,146 found 7 hours ago
Batik air
Wed, Aug 20 - Sat, Aug 30
DMK
Bangkok
PNH
Phnom Penh
$1,148 Roundtrip, found 7 hours ago
$1,148
Roundtrip
found 7 hours ago
Select Batik air flight, departing Wed, Aug 20 from Bangkok to Phnom Penh, returning Sat, Aug 30, priced at $1,148 found 7 hours ago
Batik air
Thu, Oct 9 - Sun, Oct 12
DMK
Bangkok
PNH
Phnom Penh
$1,151 Roundtrip, found 5 days ago
$1,151
Roundtrip
found 5 days ago
Select Batik air flight, departing Thu, Oct 9 from Bangkok to Phnom Penh, returning Sun, Oct 12, priced at $1,151 found 5 days ago
Batik air
Sun, Aug 17 - Tue, Sep 2
DMK
Bangkok
PNH
Phnom Penh
$1,153 Roundtrip, found 7 hours ago
$1,153
Roundtrip
found 7 hours ago
Select Batik air flight, departing Sun, Aug 17 from Bangkok to Phnom Penh, returning Tue, Sep 2, priced at $1,153 found 7 hours ago
Batik air
Fri, Oct 10 - Sun, Oct 12
DMK
Bangkok
PNH
Phnom Penh
$1,153 Roundtrip, found 5 days ago
$1,153
Roundtrip
found 5 days ago
Select Batik air flight, departing Fri, Oct 10 from Bangkok to Phnom Penh, returning Sun, Oct 12, priced at $1,153 found 5 days ago
Batik air
Sun, Aug 17 - Sat, Aug 30
DMK
Bangkok
PNH
Phnom Penh
$1,155 Roundtrip, found 7 hours ago
$1,155
Roundtrip
found 7 hours ago
Select Batik air flight, departing Sun, Aug 17 from Bangkok to Phnom Penh, returning Sat, Aug 30, priced at $1,155 found 7 hours ago
Batik air
Wed, Aug 13 - Tue, Sep 2
DMK
Bangkok
PNH
Phnom Penh
$1,157 Roundtrip, found 4 days ago
$1,157
Roundtrip
found 4 days ago
Select Batik air flight, departing Wed, Aug 13 from Bangkok to Phnom Penh, returning Tue, Sep 2, priced at $1,157 found 4 days ago
Batik air
Fri, Aug 22 - Tue, Sep 9
DMK
Bangkok
PNH
Phnom Penh
$1,157 Roundtrip, found 7 hours ago
$1,157
Roundtrip
found 7 hours ago
Select Batik air flight, departing Fri, Aug 22 from Bangkok to Phnom Penh, returning Tue, Sep 9, priced at $1,157 found 7 hours ago
Batik air
Wed, Aug 13 - Sat, Aug 30
DMK
Bangkok
PNH
Phnom Penh
$1,159 Roundtrip, found 4 days ago
$1,159
Roundtrip
found 4 days ago
Select Batik air flight, departing Wed, Aug 13 from Bangkok to Phnom Penh, returning Sat, Aug 30, priced at $1,159 found 4 days ago
Batik air
Mon, Oct 6 - Sun, Oct 12
DMK
Bangkok
PNH
Phnom Penh
$1,160 Roundtrip, found 5 days ago
$1,160
Roundtrip
found 5 days ago
Select Batik air flight, departing Mon, Oct 6 from Bangkok to Phnom Penh, returning Sun, Oct 12, priced at $1,160 found 5 days ago
Batik air
Mon, Sep 22 - Wed, Oct 8
DMK
Bangkok
PNH
Phnom Penh
$1,162 Roundtrip, found 7 hours ago
$1,162
Roundtrip
found 7 hours ago
Select Batik air flight, departing Mon, Sep 22 from Bangkok to Phnom Penh, returning Wed, Oct 8, priced at $1,162 found 7 hours ago
Batik air
Mon, Oct 6 - Fri, Oct 10
DMK
Bangkok
PNH
Phnom Penh
$1,162 Roundtrip, found 5 days ago
$1,162
Roundtrip
found 5 days ago
Select Batik air flight, departing Mon, Oct 6 from Bangkok to Phnom Penh, returning Fri, Oct 10, priced at $1,162 found 5 days ago

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

August is typically the cheapest month to fly

From $107 - $174 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
$477
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 $1,370 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?
Discover the latest flight deals from DMK to PNH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DMK to PNH?
To lock in a cheap fare, check for nonstop flights from DMK to PNH taking off in October. You can find a one-way Thai AirAsia flight for $57 leaving on October 28 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 10 2025 and remains unchanged.
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 DMK to PNH?
Travel from DMK to PNH with Thai AirAsia. This carrier currently has the cheapest one-way ticket on this route, starting from $57. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DMK on July 19 2025. Prices were last updated on July 10 2025 and have not changed since.
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.