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£114+ 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 22/10. 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
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Cheapest one-way flight

£42

Cheapest airline

Cambodia Angkor Air

Most popular destination

Bangkok Suvarnabhumi (BKK)

Good round-trip deal

£72 or less

Good one-way deal

£43 or less
The cheapest one-way flight from Phnom Penh Pochentong is currently to Bangkok Suvarnabhumi.
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On average, Cambodia Angkor Air currently has the cheapest one-way flight from Phnom Penh Pochentong (avg. price of £78).
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Bangkok Suvarnabhumi (BKK) is currently the most popular flight destination from Phnom Penh Pochentong (average return price of £60).
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Price to beat on a round-trip flight from Phnom Penh Pochentong.
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Price to beat on a one-way flight from Phnom Penh Pochentong.
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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 12 September 2025.

Sat 4/1008:30PNH - LHR
1 stop16h 15mEtihad Airways
Sun 12/1009:30LHR - PNH
1 stop15h 25mEtihad Airways
Deal found 11/9£490
Thu 9/1008:30PNH - LHR
1 stop28h 30mEtihad Airways
Sun 19/1020:55LHR - PNH
1 stop28h 00mEtihad Airways
Deal found 9/9£580
Thu 9/1008:30PNH - STN
3 stops33h 15mMultiple Airlines
Sun 19/1007:30STN - PNH
3 stops41h 25mMultiple Airlines
Deal found 9/9£635
Fri 12/1207:55PNH - LHR
1 stop35h 10mEtihad Airways
Wed 14/119:20LHR - PNH
1 stop16h 05mEtihad Airways
Deal found 10/9£642
Fri 12/1207:55PNH - LHR
1 stop17h 15mEtihad Airways
Thu 15/108:50LHR - PNH
1 stop14h 40mEtihad Airways
Deal found 10/9£643
Sat 4/1008:30PNH - STN
2 stops28h 20mMultiple Airlines
Sun 12/1021:20STN - PNH
2 stops27h 35mMultiple Airlines
Deal found 11/9£647
Fri 12/1207:55PNH - LHR
1 stop37h 35mEtihad Airways
Fri 16/120:55LHR - PNH
1 stop14h 30mEtihad Airways
Deal found 10/9£666
Sat 4/1008:30PNH - LHR
1 stop28h 30mMultiple Airlines
Sun 12/1021:10LHR - PNH
2 stops27h 45mMultiple Airlines
Deal found 11/9£668
Thu 9/1008:30PNH - LHR
1 stop16h 15mMultiple Airlines
Sun 19/1021:10LHR - PNH
3 stops27h 45mMultiple Airlines
Deal found 9/9£674
Thu 9/1008:30PNH - LGW
2 stops19h 45mMultiple Airlines
Sun 19/1016:50LGW - PNH
3 stops32h 05mMultiple Airlines
Deal found 11/9£687
Sat 4/1008:30PNH - LGW
3 stops29h 45mMultiple Airlines
Sun 12/1021:50LGW - PNH
2 stops27h 05mMultiple Airlines
Deal found 11/9£689
Mon 20/1008:30PNH - LHR
1 stop16h 15mMultiple Airlines
Mon 20/1021:10LHR - PNH
2 stops51h 45mMultiple Airlines
Deal found 9/9£692

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

Fly to

Heathrow

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 4/10

08:30-18:45

1 stop16h 15m

London Heathrow

Sun 12/10

09:30-06:55

1 stop15h 25m

£490

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 9/10

08:30-15:15

1 stop36h 45m

London Heathrow

Sun 19/10

20:55-06:55

1 stop28h 00m

£608

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 18/12

19:50-12:05

1 stop23h 15m

London Heathrow

Wed 14/1

08:50-18:25

1 stop26h 35m

£642

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 13/12

19:50-18:10

1 stop29h 20m

London Heathrow

Wed 14/1

19:20-06:30

1 stop28h 10m

£642

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 12/12

07:55-12:05

1 stop35h 10m

London Heathrow

Wed 14/1

19:20-18:25

1 stop16h 05m

£642

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 13/12

19:50-18:10

1 stop29h 20m

London Heathrow

Thu 15/1

08:50-06:30

1 stop14h 40m

£643

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 16/12

19:50-18:10

1 stop29h 20m

London Heathrow

Thu 15/1

08:50-06:30

1 stop14h 40m

£643

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 12/12

07:55-18:10

1 stop17h 15m

London Heathrow

Thu 15/1

08:50-06:30

1 stop14h 40m

£643

Phnom PenhLondon

PNH - STN

PNHSTN

Phnom Penh Pochentong

Sat 4/10

08:30-06:50

2 stops28h 20m

London Stansted

Sun 12/10

21:20-06:55

2 stops27h 35m

£647

Phnom PenhLondon

PNH - STN

PNHSTN

Phnom Penh Pochentong

Thu 9/10

08:30-07:15

2 stops28h 45m

London Stansted

Sun 19/10

14:50-06:55

2 stops34h 05m

£650

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 57 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 29 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 £484). Flying from Phnom Penh in April will prove the most costly (average of £725). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Phnom Penh?

Only one airline operates round-trip flights from Phnom Penh: China Southern. This airline flies to the following popular destinations: London.

Thai AirAsia
Thai AirAsia
From £114
Thai Vietjet Air
Thai Vietjet Air
From £91
Cambodia Angkor Air
Cambodia Angkor Air
From £91
Singapore Airlines
Singapore Airlines
From £150

What is the cheapest place to fly to from Phnom Penh?

The cheapest city to fly to from Phnom Penh is Bangkok Suvarnabhumi, with prices starting at £42. Explore other affordable destinations below.

Bangkok Suvarnabhumi
Bangkok Suvarnabhumi
From £57
Singapore Changi
Singapore Changi
From £87
Kuala Lumpur Intl
Kuala Lumpur Intl
From £88
Guangzhou Baiyun
Guangzhou Baiyun
From £99

Airline reviews for flights from Phnom Penh

Get insights into the airlines that provide service from Phnom Penh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Phnom Penh. In the last 7 days, Cheapflights users made a total of 858,174 searches.
See what other customers who have flown with China Southern from Phnom Penh have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.5
Good
110 reviews
Check prices

Entertainment

7.5

Boarding

8.0

Comfort

7.8

Crew

8.3

Overall

7.5

Food

7.3

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.
China Southern
7.5
Good
110 reviews
China Southern
7.5
Good
110 reviews
Check prices

Entertainment

7.5

Boarding

8.0

Comfort

7.8

Crew

8.3

Overall

7.5

Food

7.3

Reviews

1 / 5
6.0
Good

Ebbi,Aug 2025

LAX - CAN

Boarding was nice the employees and the crew. They were very nice but the food maybe I don’t like it but it’s not international food. It’s more towards Chinese Tayst, which I do understand but that’s only complain. I have.

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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 12 September 2025.
Thai AirAsia flights from Phnom Penh to Suvarnabhumi
Thai Vietjet Air flights from Phnom Penh to Suvarnabhumi
Cambodia Airways flights from Phnom Penh to Suvarnabhumi

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 12 September 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 £42 to Bangkok Suvarnabhumi Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £663 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 (£64), 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 £312
    Phnom Penh Pochentong to Incheon Intl Airport from £1,040
    Phnom Penh Pochentong to Guangzhou from £1,244
    Phnom Penh Pochentong to Kuala Lumpur Intl Airport from £1,941

  • 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 £4,941 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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