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

Flights from Phnom Penh (PNH) to Bangkok (DMK)
Origin airport
Phnom Penh Intl.
Destination airport
Don Mueang Intl.
Distance
329 mi

Phnom Penh to Bangkok Flights

The cheapest times to fly from Phnom Penh to Bangkok

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 Phnom Penh to Bangkok are during the month of . You can find some of the cheapest flights from Phnom Penh to Bangkok with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Phnom Penh to Bangkok: 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 Phnom Penh to Bangkok

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 Phnom Penh to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Phnom Penh to Bangkok 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 Phnom Penh to Bangkok 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 long does it take to fly from PNH to Don Mueang Airport?
Purchase a ticket with Thai AirAsia and you’ll be in the air for around 1 hour and 20 minutes. This well-known airline has a direct flight that jets off at 5:05PM from Phnom Penh Airport and lands at Don Mueang Intl. Airport (DMK) at 6:25PM. Expedia has some epic flight deals, so take a look at what’s on offer on this route today.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to Don Mueang Intl. Airport (DMK) last minute?
Being the spontaneous type is a wonderful way to see the world, but it’s not always the wisest method to pick up a bargain flight. It’s better to book your Phnom Penh Intl. Airport (PNH) to Don Mueang Intl. Airport (DMK) trip ahead of time instead of leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you arrive in Don Mueang Intl. Airport (DMK)!
What airline has the least delays from PNH to Don Mueang Airport?
With an on-time arrival rate of 79%, Thai AirAsia is the airline that’s more likely to get you from Phnom Penh Airport to DMK without a delay. Flight delays aren’t just an unpleasant experience — they can also lead to a missed connection or even ruin your entire trip. Keep updated about any delays by looking up your flight status through the free Expedia App before heading to the airport. If you’re already at your gate and your plans will be significantly impacted, visit your airline’s customer service desk to figure out your next move.
What airports do you fly into for Bangkok from Phnom Penh?
There are two — Don Mueang Intl. Airport (DMK) and Suvarnabhumi Intl. Airport (BKK). Both are excellent options for those flying from Phnom Penh to Bangkok. If you go via Don Mueang Intl. Airport (DMK), you’ll land approximately 13 mi north of Bangkok. After you’ve settled in to your comfortable hotel, it’s time to explore this city’s renowned sights. Wat Arun and Grand Palace are favorites among locals and visitors alike.
What are the most popular departure times for flights from Phnom Penh Intl. Airport (PNH) to Don Mueang Intl. Airport (DMK)?
The most popular departure times for trips from PNH to Don Mueang Airport are between 9:00 AM - 10:00 AM on Thai AirAsia. Our advice is to head off in the morning. The earlier you fly, the better your chances of arriving on time with lighter air traffic around.
Can I change the date of my flight from Phnom Penh Airport to Don Mueang Intl. Airport (DMK)?
We know plans can get upended, so Expedia is here to help make things easy. To start, find your PNH to DMK itinerary through the Expedia Trips portal and browse the fare rules and restrictions to see if change fees apply. If you booked your ticket in the last 24 hours, some carriers will let you cancel for free and book new flights. If you booked more than 24 hours ago, get in touch with us via our Customer Service portal so we can help you further.

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*Available to One Key members.