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Cheap flights from Thailand to Phnom Penh

BKK — KTI
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Thailand to Phnom Penh

Popular in

April

Cheapest in

March

Average price

฿5,114
Highest demand for flights based on searches. 2% potential increase in price (฿4,502 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (฿1,701 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Insights

Everything you need to know about your flight from Thailand to Phnom Penh

How far ahead should I book a flight from Thailand to Phnom Penh?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Thailand to Phnom Penh. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Thailand to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from Thailand to Phnom Penh (average of ฿4,454). Flying from Thailand to Phnom Penh in April is currently the most expensive (average of ฿5,543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to KTI?

When flying from Thailand to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight in the evening.

Reviews of airlines servicing Phnom Penh

Read through reviews of airlines operating flights from Thailand to Phnom Penh, such as Thai AirAsia and Thai Vietjet Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Thai AirAsia
7.5
Good
248 reviews
Check prices

Comfort

6.8

Entertainment

5.5

Crew

7.9

Boarding

7.4

Food

6.2

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.5
Good
248 reviews
Thai AirAsia
7.5
Good
248 reviews
Check prices

Comfort

6.8

Entertainment

5.5

Crew

7.9

Boarding

7.4

Food

6.2

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai Vietjet Air
6.7
Okay
134 reviews
Thai AirAsia
7.5
Good
248 reviews
Check prices

Comfort

6.8

Entertainment

5.5

Crew

7.9

Boarding

7.4

Food

6.2

Overall

7.5

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Related info for your journey

  • What airport do you fly into for flights to Phnom Penh from Thailand?

    For a flight from Thailand to Phnom Penh, you will be flying into Techo Intl. Phnom Penh Techo Intl (KTI) is just 22.6 km from the centre of the city.

  • What are the cheapest airlines to fly from Thailand to Phnom Penh one-way?

    ฿1,516 is the cheapest one-way deal found within the past few days, from Thai Vietjet Air. You may also be able to find cheap deals on Thai AirAsia and Sky Angkor, with prices starting from ฿1,552 and ฿1,816, respectively.

  • What are the most reliable airlines from Thailand to Phnom Penh?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Thailand to Phnom Penh on time: Thai Vietjet Air (95%), Thai Airways (78%), เตอร์กิชแอร์ไลน์ (73%).

  • Can I find deals for flights from Thailand to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Thailand to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thailand to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Phnom Penh.

  • Can I find deals for business class flights from Thailand to Phnom Penh?

    Yes. Cheapflights offers flight deals from Thailand to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Thailand to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from Thailand to Phnom Penh (average of ฿4,454). Flying from Thailand to Phnom Penh in April is currently the most expensive (average of ฿5,543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Thailand to Phnom Penh

Phuket City to Siem Reap flights
Chiang Mai to Siem Reap flights
Krabi to Siem Reap flights
Ko Samui to Siem Reap flights

Top 4 airlines flying from Thailand to Phnom Penh

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿1,247Average฿4,944FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai Vietjet AirCheapest฿2,204Average฿4,257FlexibilityNo cancel feeOn-timeN/A
Search Thai Vietjet Air flights
แคมโบเดีย อังกอร์ แอร์Cheapest฿4,158Average฿5,102FlexibilityNo cancel feeOn-timeN/A
Search แคมโบเดีย อังกอร์ แอร์ flights
Cambodia AirwaysCheapest฿5,192Average฿5,770FlexibilityNo cancel feeOn-timeN/A
Search Cambodia Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Thailand to Phnom Penh?

Deals for Thailand to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Phnom Penh?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Thailand to Phnom Penh for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Thailand to Phnom Penh with no change fees?

Need flexible booking options for your flight to Phnom Penh from Thailand? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Thailand to Phnom Penh become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Phnom Penh from Thailand today and book when prices fit your budget.

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