£117 Cheap Flights from Chiang Rai (CEI) to Phnom Penh (PNH)

Q: How much are return flights from Chiang Rai to Phnom Penh?

The best price we found for a return flight from Chiang Rai to Phnom Penh is £117. 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.

Q: Which airlines fly direct from Chiang Rai to Phnom Penh?

Currently, there are no airlines that fly direct from Chiang Rai to Phnom Penh. But we found flights with one or more stops from £117.

Q: How many flights are there a week from Chiang Rai to Phnom Penh?

As of April 2025, there are no flights flying from Chiang Rai to Phnom Penh.

Q: When is the cheapest time to fly from Chiang Rai to Phnom Penh?

The cheapest month to fly from Chiang Rai to Phnom Penh is usually April 2025.

Q: Which upcoming date is cheapest to fly from Chiang Rai Airport to Phnom Penh Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Rai Airport to Phnom Penh Airport on Wednesday, 16 July 2025 .

Q: Can I get a direct flight from Chiang Rai Airport to Phnom Penh Airport?

No airlines currently offer direct flights between Chiang Rai Airport and Phnom Penh Airport. Most routes have one or more stops.

Q: How can I find the best flight deal to Phnom Penh?

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.

Q: When is the best time to book flights to Phnom Penh?

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.

Q: Which is the cheapest airline to fly from Chiang Rai Airport to Phnom Penh with?

Currently, Thai VietJet Air offers the cheapest flight tickets to Phnom Penh.

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Flight deals from Chiang Rai to Phnom Penh

Looking for a cheap last-minute deal or the best return flight from Chiang Rai to Phnom Penh? Find the lowest prices on one-way and return tickets right here.

Phnom Penh.£117 per passenger.Departing Wed, 16 Jul, returning Wed, 23 Jul.Return flight with Thai VietJet Air and Cambodia Angkor Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Wed, 16 Jul, arriving in Phnom Penh.Inbound indirect flight with Cambodia Angkor Air, departs from Phnom Penh on Wed, 23 Jul, arriving in Chiang Rai.Price includes taxes and charges.From £117, select.

Phnom Penh.£158 per passenger.Departing Wed, 20 Aug, returning Thu, 21 Aug.Return flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Wed, 20 Aug, arriving in Phnom Penh.Inbound indirect flight with Thai VietJet Air, departs from Phnom Penh on Thu, 21 Aug, arriving in Chiang Rai.Price includes taxes and charges.From £158, select.

Phnom Penh.£189 per passenger.Departing Thu, 24 Apr, returning Wed, 14 May.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Thu, 24 Apr, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Wed, 14 May, arriving in Chiang Rai.Price includes taxes and charges.From £189, select.

Phnom Penh.£193 per passenger.Departing Thu, 24 Apr, returning Sun, 27 Apr.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Thu, 24 Apr, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Sun, 27 Apr, arriving in Chiang Rai.Price includes taxes and charges.From £193, select.

Phnom Penh.£193 per passenger.Departing Thu, 1 May, returning Wed, 14 May.Return flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Thu, 1 May, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Wed, 14 May, arriving in Chiang Rai.Price includes taxes and charges.From £193, select.

Phnom Penh.£239 per passenger.Departing Tue, 24 Feb, returning Fri, 27 Feb.Return flight with Thai VietJet Air and Thai AirAsia.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Tue, 24 Feb, arriving in Phnom Penh.Inbound indirect flight with Thai AirAsia, departs from Phnom Penh on Fri, 27 Feb, arriving in Chiang Rai.Price includes taxes and charges.From £239, select.

Find the cheapest month to fly from Chiang Rai to Phnom Penh

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Rai to Phnom Penh flights are currently cheapest in July.

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Chiang Rai to Phnom Penh: Alternative routes

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

Chiang Rai to Phnom Penh: Flight information

The things to know before you go.

Cheapest flight found	£117
Cheapest month to fly	July

Finding cheap flights from Chiang Rai to Phnom Penh: Frequently asked questions

How much are return flights from Chiang Rai to Phnom Penh?

Which airlines fly direct from Chiang Rai to Phnom Penh?

How many flights are there a week from Chiang Rai to Phnom Penh?

When is the cheapest time to fly from Chiang Rai to Phnom Penh?

Which upcoming date is cheapest to fly from Chiang Rai Airport to Phnom Penh Airport on?

Can I get a direct flight from Chiang Rai Airport to Phnom Penh Airport?

How can I find the best flight deal to Phnom Penh?

When is the best time to book flights to Phnom Penh?

Which is the cheapest airline to fly from Chiang Rai Airport to Phnom Penh with?

Travelling from Chiang Rai International Airport (CEI) to Phnom Penh International Airport (PNH): what you need to know

During popular months such as August, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during peak periods in general.
Pick a stopover if you prefer to break up your flight from Chiang Rai International Airport to Phnom Penh International Airport. To see all your options, simply uncheck 'Direct flights only.' Suvarnabhumi Airport is a top stopover on the CEI to PNH route.
Remember, you might need a visa to enter Cambodia. Visa regulations can differ and travel documentation requirements often change. Before organising your cheap ticket from CEI to PNH, check with your carrier and your destination country's local embassy or consulate for the most up-to-date information.

How to find the cheapest flights from Chiang Rai International Airport (CEI) to Phnom Penh International Airport (PNH)

The best price we've found for a one-way ticket from Chiang Rai International Airport to Phnom Penh International Airport is £50. The cheapest price for a return flight is £117. Keep in mind that fares could change due to availability when booking.
To pick up cheap tickets from CEI to PNH, book ahead. Airlines generally offer lower prices when flights are first released.
The 'Whole month' search function shows you the cheapest tickets from Chiang Rai International Airport to Phnom Penh International Airport across every month. It's a good way to find a bargain if your plans are flexible.
Sign into your online account or use the app to create a Price Alert. We'll let you know straight away if there's a better deal on this route. It's simple to do, and it'll save you time looking for cheap tickets from CEI to PNH every day.
Tailor your trip using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Chiang Rai International Airport to Phnom Penh International Airport.

Handy information about Chiang Rai International Airport (CEI)

Chiang Rai International Airport is approximately 5 miles from central Chiang Rai. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 14 minutes or so to arrive, depending on the traffic.
Have an early flight from Chiang Rai International Airport to Phnom Penh International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these stays close to CEI:

Arriving at Phnom Penh International Airport (PNH)

If you're coming in on a late flight from Chiang Rai International Airport to Phnom Penh International Airport, few things top the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and relaxing not long after at one of these options near PNH:

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

From Phnom Penh International Airport, Phnom Penh is approximately 7 miles away. It takes around 30 minutes to reach the centre driving.

When to fly to Phnom Penh International Airport (PNH)

August is the busiest month for flights from Chiang Rai International Airport to Phnom Penh International Airport. To steer clear of the crowds, go to Phnom Penh in February.
Lock in your flight from Chiang Rai International Airport to Phnom Penh International Airport for March if you'd like to explore Phnom Penh during its warmest month. You can expect temperatures of between 23ºC and 38ºC.
Look for cheap tickets from CEI to PNH in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 20ºC and 33ºC on average.

More about Phnom Penh

As soon as you've locked in your flights from CEI to PNH, you'll need to find a hotel in Phnom Penh. Make one of these accommodation options your base for exploring this exciting city:
Royal Palace and Tuol Sleng Genocide Museum are a couple of top-rated attractions to put on your Phnom Penh itinerary. Continue your sightseeing adventures at Wat Phnom.

Complete your Phnom Penh trip with hotels and a car rental

Comparing flights is not the only thing we do. Once you've secured your cheap ticket to Phnom Penh International Airport, browse our great car rental offers that'll give you the freedom and flexibility to travel around at your own pace. Next, have a look at our exclusive rates for hotels to find the ideal Phnom Penh stay.