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Cheap flights from Phnom Penh to London from £198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to London departing on 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Phnom Penh to London

Cheap return flights

These are some of the best return flight deals from Phnom Penh to London that have been recently found on momondo from popular airlines, departing in the coming months.
11:05 - 06:30PNH-LGW
26h 25m2 stops
10:30 - 10:00LGW-PNH
40h 30m2 stops
£414China Eastern
Find Deal
Sun, 9 Mar - Sun, 23 Mar
11:05 - 06:30PNH-LGW
26h 25m3 stops
10:30 - 10:00LGW-PNH
40h 30m2 stops
£442China Eastern
Find Deal
Sun, 9 Mar - Sun, 23 Mar
12:05 - 19:00PNH-LHR
36h 55m1 stop
19:15 - 10:40LHR-PNH
33h 25m2 stops
£521China Southern
Find Deal
Sun, 6 Apr - Sun, 13 Apr
08:00 - 19:00PNH-LHR
17h 00m1 stop
22:10 - 00:10LHR-PNH
20h 00m1 stop
£523China Southern
Find Deal
Sun, 6 Apr - Sun, 13 Apr
00:20 - 20:30PNH-LHR
26h 10m1 stop
22:05 - 11:10LHR-PNH
31h 05m1 stop
Sun, 15 Jun - Sun, 6 Jul
00:25 - 17:50PNH-LHR
24h 25m1 stop
21:10 - 11:15LHR-PNH
31h 05m1 stop
Sat, 8 Mar - Sun, 23 Mar
00:20 - 17:45PNH-LHR
23h 25m1 stop
20:25 - 23:05LHR-PNH
20h 40m1 stop
£562Air China
Find Deal
Sat, 31 May - Thu, 19 Jun
12:15 - 06:35PNH-LGW
24h 20m2 stops
12:35 - 23:05LGW-PNH
28h 30m1 stop
£610Air China
Find Deal
Sun, 1 Jun - Thu, 19 Jun
12:15 - 20:00PNH-LHR
37h 45m1 stop
22:05 - 11:10LHR-PNH
31h 05m1 stop
£634Shenzhen Airlines
Find Deal
Sat, 3 May - Sat, 31 May
12:15 - 19:50PNH-LHR
37h 35m1 stop
22:05 - 11:10LHR-PNH
31h 05m1 stop
£806Shenzhen Airlines
Find Deal
Fri, 1 Aug - Sun, 7 Sep

China Southern flights from Phnom Penh to London

Our best China Southern deals on Phnom Penh to London flight tickets
China Southern
6 Apr
PNH12:05Phnom Penh Pochentong
36h 55m
1 stop
LHR19:00London Heathrow
13 Apr
LHR19:15London Heathrow
33h 25m
2 stops
PNH10:40Phnom Penh Pochentong
China Southern
6 Apr
PNH08:00Phnom Penh Pochentong
17h 00m
1 stop
LHR19:00London Heathrow
13 Apr
LHR22:10London Heathrow
20h 00m
1 stop
PNH00:10Phnom Penh Pochentong
China Southern
4 May
PNH08:00Phnom Penh Pochentong
40h 05m
2 stops
LHR18:05London Heathrow
18 May
LHR22:10London Heathrow
30h 30m
1 stop
PNH10:40Phnom Penh Pochentong

Air China flights from Phnom Penh to London

Our best Air China deals on Phnom Penh to London flight tickets
Air China
31 May
PNH00:20Phnom Penh Pochentong
23h 25m
1 stop
LHR17:45London Heathrow
19 Jun
LHR20:25London Heathrow
20h 40m
1 stop
PNH23:05Phnom Penh Pochentong
Air China
1 Jun
PNH12:15Phnom Penh Pochentong
24h 20m
2 stops
LGW06:35London Gatwick
19 Jun
LGW12:35London Gatwick
28h 30m
1 stop
PNH23:05Phnom Penh Pochentong
Air China
1 Jun
PNH12:15Phnom Penh Pochentong
48h 40m
2 stops
LGW06:55London Gatwick
19 Jun
LGW12:35London Gatwick
40h 35m
2 stops
PNH11:10Phnom Penh Pochentong

See travel insights to London from

How to get the cheapest flight ticket from Phnom Penh to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Phnom Penh is in August. Flight prices, which tend to average around £575, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Phnom Penh averaging around £599.

What is the cheapest day to depart on your flight to London?

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £611. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Phnom Penh to London for around £900.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £0. Flights in the evening are often more expensive, with an average ticket price of £788.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Phnom Penh when booking 11 weeks ahead of your departure date. In general, you can expect to find flights to London for around £837 when searching 11 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Phnom Penh for as low as £567 on momondo.

How have Phnom Penh to London flight prices changed over time?

As of February 2025, prices for Phnom Penh to London flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Phnom Penh to London

Are you open to changing your travel dates? Check out the ideal times to fly from Phnom Penh to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Phnom Penh to London (PNH to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to London

Best price found

£198

Fastest flight time

15h 55m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from Phnom Penh in the past 72 hours is £198. The best return flight deal from Phnom Penh to London found on momondo in the last 72 hours is £414.
The fastest flight from Phnom Penh to London takes 15h 55m
There are no direct flights from Phnom Penh to London. Popular non-direct routes for this connection are Phnom Penh Pochentong Airport - London Gatwick Airport, Phnom Penh Pochentong Airport - London Stansted Airport and Phnom Penh Pochentong Airport - London Heathrow Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)

  • How far is Phnom Penh Pochentong to London by plane?

    London is 6219.7 mi away from Phnom Penh Pochentong. Typically, this will take 17h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to London?

    Prices for flights from Phnom Penh Pochentong Airport to London were last updated today.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to London?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phnom Penh Pochentong Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Phnom Penh to London?


Best airlines flying from Phnom Penh to London

Compare and see reviews for airlines that fly from Phnom Penh to London with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £508Free CancellationRating
7.6
87 reviews
Search China Southern flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Southend-on-Sea
Ipswich
Gatwick
Maidstone
Margate
Hounslow
Canterbury
Ilford
Dartford
Colchester
Winchester
Chichester
Guildford
Croydon
Hayes
Worthing

Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Phnom Penh to London for you.

Can I find flights from Phnom Penh to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Phnom Penh which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Phnom Penh to London?

momondo helps you find the best flight between Phnom Penh and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Phnom Penh to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Phnom Penh to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London