£46+ Cheap flights from Phnom Penh

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. 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.
PNH — LHR
24 Aug — 31 Aug1
1 adult

What to know about flights from Phnom Penh

Discover essential information about flights departing from Phnom Penh, including flight schedules, destinations, airlines operating at the Phnom Penh airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 August 2025.

Cheapest one-way flight

£48

Cheapest airline

Cambodia Angkor Air

Most popular destination

Bangkok Suvarnabhumi (BKK)

Good round-trip deal

£89 or less

Good one-way deal

£57 or less
The cheapest one-way flight from Phnom Penh Pochentong is currently to Bangkok Don Mueang Intl.
On average, Cambodia Angkor Air currently has the cheapest one-way flight from Phnom Penh Pochentong (avg. price of £78).
Bangkok Suvarnabhumi (BKK) is currently the most popular flight destination from Phnom Penh Pochentong (average return price of £62).
Price to beat on a round-trip flight from Phnom Penh Pochentong.
Price to beat on a one-way flight from Phnom Penh Pochentong.

Find flights from Phnom Penh

Cheapest flights from Phnom Penh
Explore the most affordable flight options available from Phnom Penh. Find the lowest fares based on data from user searches, with prices last updated on 19 August 2025.

Fri 29/819:10PNH - BKK
Nonstop1h 15mThai Vietjet Air
Sun 31/808:40BKK - PNH
Nonstop1h 15mThai Vietjet Air
Deal found 18/8£83
Tue 2/913:55PNH - BKK
Nonstop1h 25mCambodia Airways
Tue 9/912:20BKK - PNH
Nonstop1h 10mCambodia Airways
Deal found 19/8£101
Tue 9/910:05PNH - BKK
Nonstop1h 25mCambodia Airways
Tue 9/919:20BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 17/8£106
Tue 16/913:55PNH - BKK
Nonstop1h 25mCambodia Airways
Wed 17/911:30BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 18/8£111
Tue 30/913:55PNH - BKK
Nonstop1h 25mCambodia Airways
Sat 4/1011:30BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 18/8£113
Wed 10/913:55PNH - BKK
Nonstop1h 25mCambodia Airways
Thu 11/916:20BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 17/8£118
Fri 5/920:45PNH - SGN
Nonstop1h 25mCambodia Angkor Air
Mon 8/912:00SGN - PNH
Nonstop0h 55mCambodia Angkor Air
Deal found 18/8£124
Wed 1/1009:10PNH - BKK
Nonstop1h 20mCambodia Airways
Wed 8/1011:30BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 17/8£124
Fri 29/807:00PNH - SGN
Nonstop0h 55mCambodia Angkor Air
Sat 30/818:30SGN - PNH
Nonstop0h 55mCambodia Angkor Air
Deal found 18/8£127
Fri 3/1009:10PNH - BKK
Nonstop1h 20mCambodia Airways
Fri 10/1011:30BKK - PNH
Nonstop1h 15mCambodia Airways
Deal found 19/8£127
Fri 5/907:00PNH - SGN
Nonstop0h 55mMultiple Airlines
Mon 8/909:45SGN - PNH
1 stop6h 35mMultiple Airlines
Deal found 17/8£148
Mon 1/917:40PNH - SGN
Nonstop0h 55mQatar Airways
Tue 2/915:20SGN - PNH
Nonstop0h 55mQatar Airways
Deal found 19/8£156

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 19 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Fri 29/8

19:10-20:25

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 31/8

08:40-09:55

Nonstop1h 15m

£83

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Tue 2/9

13:55-15:20

Nonstop1h 25m

Bangkok Suvarnabhumi

Tue 9/9

12:20-13:30

Nonstop1h 10m

£101

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Tue 9/9

10:05-11:30

Nonstop1h 25m

Bangkok Suvarnabhumi

Wed 10/9

11:30-12:45

Nonstop1h 15m

£101

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Tue 9/9

10:05-11:30

Nonstop1h 25m

Bangkok Suvarnabhumi

Tue 9/9

19:20-20:35

Nonstop1h 15m

£106

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Tue 16/9

13:55-15:20

Nonstop1h 25m

Bangkok Suvarnabhumi

Wed 17/9

11:30-12:45

Nonstop1h 15m

£111

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Tue 30/9

13:55-15:20

Nonstop1h 25m

Bangkok Suvarnabhumi

Sat 4/10

11:30-12:45

Nonstop1h 15m

£113

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Wed 10/9

13:55-15:20

Nonstop1h 25m

Bangkok Suvarnabhumi

Thu 11/9

16:20-17:35

Nonstop1h 15m

£118

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Wed 1/10

09:10-10:30

Nonstop1h 20m

Bangkok Suvarnabhumi

Wed 8/10

11:30-12:45

Nonstop1h 15m

£118

Phnom PenhHo Chi Minh City

PNH - SGN

PNHSGN

Phnom Penh Pochentong

Fri 5/9

20:45-22:10

Nonstop1h 25m

Ho Chi Minh City

Mon 8/9

12:00-12:55

Nonstop0h 55m

£124

Phnom PenhBangkok

PNH - BKK

PNHBKK

Phnom Penh Pochentong

Sat 18/10

09:10-10:30

Nonstop1h 20m

Bangkok Suvarnabhumi

Mon 20/10

11:30-12:45

Nonstop1h 15m

£124

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 60 results
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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.
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.

When is the best time to book a flight from Phnom Penh?

Use this chart to determine the optimal time to book a return flight from Phnom Penh to Heathrow. Price data was last updated on 8 August 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from 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 Phnom Penh?

Currently, October is the cheapest month in which you can book a flight from Phnom Penh (average of £486). Flying from Phnom Penh in April will prove the most costly (average of £727). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Fly your favourite airline from Phnom Penh

Browse through various options for flying your favourite airline from Phnom Penh. Flight routes are based on user searches made on Cheapflights and were last updated on 19 August 2025.

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 19 August 2025.
  • What are the most popular destinations to fly to from Phnom Penh?

    This month, the top selected destinations from Phnom Penh are Bangkok Suvarnabhumi Airport, Singapore, Kuala Lumpur Intl Airport. Throughout the year, Bangkok Suvarnabhumi Airport, Singapore, Kuala Lumpur Intl Airport are some of the top choices made by users flying from Phnom Penh.

  • What is the cheapest flight from Phnom Penh to anywhere?

    Users have flown out of Phnom Penh for as low as £34 to Siem Reap (prices may vary depending on the airline and departure time). On average, users have booked flights for £594 to fly from Phnom Penh.

  • What are the cheapest airlines flying from Phnom Penh to anywhere?

    Over the past few days, we've found that Spring Airlines, AirAsia Cambodia, and Cambodia Angkor Air have the cheapest prices from Phnom Penh. Spring Airlines flights from Phnom Penh to Guangzhou Baiyun (£62), AirAsia Cambodia flights from Phnom Penh to Kuala Lumpur Intl (£65), and Cambodia Angkor Air flights from Phnom Penh to Bangkok Suvarnabhumi (£67).

  • What is the cheapest premium economy flight from Phnom Penh?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Phnom Penh.
    Phnom Penh Pochentong to Siem Reap from £313
    Phnom Penh Pochentong to Incheon Intl Airport from £1,043
    Phnom Penh Pochentong to Shanghai Pu Dong Airport from £1,068
    Phnom Penh Pochentong to Guangzhou from £1,247

  • What is the cheapest first class flight from Phnom Penh?

    If you’re looking for a cheap first-class flight from Phnom Penh, consider Singapore. Prices start at £4,957 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Phnom Penh?

    At the present moment the cheapest month to fly from Phnom Penh is currently October; with April being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • 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 helps you find that perfect flight from Phnom Penh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

    Yes! Cheapflights helps users easily find flights from Phnom Penh with no change fees.

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

    Yes, Cheapflights offers price alerts on flights from Phnom Penh so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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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 helps you find that perfect flight from Phnom Penh by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Phnom Penh with no change fees.

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

Yes, Cheapflights offers price alerts on flights from Phnom Penh so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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