R1 599+ Cheap flights from Phnom Penh
This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
KTI — BOS
Nov 5 — Nov 121
Find flights from Phnom Penh within your budget
Find flights departing from Phnom Penh that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 6 October 2026. In the last 7 days, Cheapflights users made a total of 7 457 451 searches
Fly to
Route
Depart
Return
Cheapest return flight
Fastest return journey
Phnom PenhBangkok
KTI Phnom Penh Techo Intl - BKK Bangkok Suvarnabhumi
KTIBKK
Phnom Penh Techo Intl
Mon 4/1
22:10-23:25
Nonstop1h 15m
Bangkok Suvarnabhumi
Wed 31/12
0:00-0:00
Nonstop0h 00m
R1 599
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Wed 14/10
20:45-23:45
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Wed 28/10
21:40-0:40
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Fri 30/10
21:40-0:40
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Fri 23/10
20:45-23:45
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Fri 16/10
20:45-23:45
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Fri 6/11
21:40-0:40
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Sun 8/11
21:40-0:40
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhSingapore
KTI Phnom Penh Techo Intl - SIN Singapore Changi
KTISIN
Phnom Penh Techo Intl
Fri 29/1
21:40-0:40
Nonstop2h 00m
Singapore Changi
Wed 31/12
0:00-23:30
Nonstop0h 00m
R1 816
Phnom PenhDa Nang
KTI Phnom Penh Techo Intl - DAD Da Nang
KTIDAD
Phnom Penh Techo Intl
Mon 19/10
13:15-15:30
Nonstop2h 15m
Da Nang
Wed 31/12
0:00-23:00
Nonstop0h 00m
R1 933
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Phnom Penh
Have a flexible travel schedule? Discover the best time to fly from Phnom Penh with our price prediction graph.
KTI-BOS
KTI-BKK
KTI-SIN
KTI-DAD
KTI-HAN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from Phnom Penh
Get recent, data-driven insights about flights from Phnom Penh including ideal travel times, pricing trends, and more.
KTI-BOS
KTI-BKK
KTI-SIN
KTI-DAD
KTI-HAN
What is the cheapest month to book a flight from Phnom Penh?
Currently, January is the cheapest month in which you can book a flight from Phnom Penh (average of R21 092). Flying from Phnom Penh in May will prove the most costly (average of R36 269). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Direct flights from Cambodia
Nearby airports
Other Cambodia cities
Popular flights
Direct flights from Cambodia
Book a direct flight from one of these other cities located in Cambodia.
Airports servicing
Fly out of one of these airports located in .
Fly from other Cambodia cities
Consider departing from one of these cities also located in Cambodia. Flight origins are based on user searches made on Cheapflights and were last updated on 6 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Related info for your journey
Access useful and relevant information related to your journey from Phnom Penh. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 6 October 2026.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Phnom Penh?
Deals for flights from Phnom Penh 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 to your preference, such as price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Phnom Penh?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Phnom Penh for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Phnom Penh with no change fees?
Need flexible booking options for your flight from Phnom Penh ? 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 Phnom Penh become cheaper?
Not ready to book yet? You can track prices for flights from Phnom Penh on Cheapflights with our Price Alerts feature and get notified when better prices are available.