Cheap flights from Phnom Penh to London from £247

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 20/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Phnom Penh to London

Cheap return flights

China Eastern Logo
12:40 - 15:00PNH-LGW
32h 20m3 stops
China Eastern Logo
18:00 - 23:15LGW-PNH
23h 15m1 stop
£518China Eastern
Find Deal
Fri, 22 Aug - Tue, 2 Sep
China Eastern Logo
00:15 - 14:00PNH-LGW
20h 45m1 stop
China Eastern Logo
17:00 - 23:15LGW-PNH
23h 15m1 stop
£524China Eastern
Find Deal
Thu, 18 Dec - Fri, 2 Jan
China Eastern Logo
00:15 - 06:30PNH-LGW
37h 15m1 stop
China Eastern Logo
17:00 - 10:00LGW-PNH
58h 00m3 stops
£529China Eastern
Find Deal
Thu, 18 Dec - Fri, 2 Jan
China Eastern Logo
00:10 - 15:10PNH-LGW
21h 00m1 stop
China Eastern Logo
18:00 - 11:35LGW-PNH
35h 35m2 stops
£530China Eastern
Find Deal
Thu, 21 Aug - Tue, 2 Sep
China Eastern Logo
11:05 - 06:30PNH-LGW
26h 25m2 stops
China Eastern Logo
17:00 - 10:00LGW-PNH
34h 00m2 stops
£534China Eastern
Find Deal
Fri, 19 Dec - Fri, 2 Jan
China Eastern Logo
00:10 - 15:00PNH-LGW
20h 50m1 stop
China Eastern Logo
18:00 - 17:50LGW-PNH
41h 50m3 stops
£542China Eastern
Find Deal
Tue, 9 Sep - Thu, 18 Sep
China Eastern Logo
12:40 - 15:10PNH-LGW
32h 30m2 stops
China Eastern Logo
11:35 - 23:15LGW-PNH
29h 40m1 stop
£543China Eastern
Find Deal
Sun, 7 Sep - Fri, 12 Sep
China Southern Logo
08:00 - 07:05PNH-LGW
29h 05m1 stop
China Southern Logo
12:00 - 14:30LGW-PNH
20h 30m1 stop
£614China Southern
Find Deal
Wed, 10 Sep - Thu, 18 Sep
 Logo
00:10 - 15:00PNH-LGW
20h 50m1 stop
 Logo
05:45 - 18:15LGW-PNH
30h 30m3 stops
Wed, 13 Aug - Thu, 21 Aug
China Southern Logo
08:00 - 06:50PNH-LGW
28h 50m1 stop
China Southern Logo
12:00 - 10:40LGW-PNH
16h 40m1 stop
£654China Southern
Find Deal
Sun, 7 Sep - Fri, 12 Sep

China Eastern flights from Phnom Penh to London Gatwick Airport

Our best China Eastern deals on Phnom Penh to London Gatwick Airport flight tickets
China Eastern
22 Aug
PNH12:40Phnom Penh Pochentong
32h 20m
3 stops
LGW15:00London Gatwick
2 Sept
LGW18:00London Gatwick
23h 15m
1 stop
PNH23:15Phnom Penh Pochentong
China Eastern
18 Dec
PNH00:15Phnom Penh Pochentong
20h 45m
1 stop
LGW14:00London Gatwick
2 Jan
LGW17:00London Gatwick
23h 15m
1 stop
PNH23:15Phnom Penh Pochentong
China Eastern
18 Dec
PNH00:15Phnom Penh Pochentong
37h 15m
1 stop
LGW06:30London Gatwick
2 Jan
LGW17:00London Gatwick
58h 00m
3 stops
PNH10:00Phnom Penh Pochentong

China Southern flights from Phnom Penh to London Gatwick Airport

Our best China Southern deals on Phnom Penh to London Gatwick Airport flight tickets
China Southern
10 Sept
PNH08:00Phnom Penh Pochentong
29h 05m
1 stop
LGW07:05London Gatwick
18 Sept
LGW12:00London Gatwick
20h 30m
1 stop
PNH14:30Phnom Penh Pochentong
China Southern
7 Sept
PNH08:00Phnom Penh Pochentong
28h 50m
1 stop
LGW06:50London Gatwick
12 Sept
LGW12:00London Gatwick
16h 40m
1 stop
PNH10:40Phnom Penh Pochentong

momondo Fare Finder

 
Customise your flight search to find flights from Phnom Penh to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Phnom Penh to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Fri 22/8

12:40-15:00

3 stops32h 20m

London Gatwick

Tue 2/9

18:00-23:15

1 stop23h 15m

£518

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Thu 18/12

00:15-14:00

1 stop20h 45m

London Gatwick

Fri 2/1

17:00-23:15

1 stop23h 15m

£524

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Thu 18/12

00:15-06:30

1 stop37h 15m

London Gatwick

Fri 2/1

17:00-10:00

3 stops58h 00m

£529

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Thu 21/8

00:10-15:10

1 stop21h 00m

London Gatwick

Tue 2/9

18:00-11:35

2 stops35h 35m

£530

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Fri 19/12

11:05-06:30

2 stops26h 25m

London Gatwick

Fri 2/1

17:00-10:00

2 stops34h 00m

£534

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Tue 9/9

00:10-15:00

1 stop20h 50m

London Gatwick

Thu 18/9

18:00-17:50

3 stops41h 50m

£542

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Sun 7/9

12:40-15:10

2 stops32h 30m

London Gatwick

Fri 12/9

11:35-23:15

1 stop29h 40m

£543

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Wed 10/9

08:00-07:05

1 stop29h 05m

London Gatwick

Thu 18/9

12:00-14:30

1 stop20h 30m

£614

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Wed 13/8

00:10-15:00

1 stop20h 50m

London Gatwick

Thu 21/8

05:45-18:15

3 stops30h 30m

£632

Phnom PenhLondon

PNH - LGW

PNHLGW

Phnom Penh Pochentong

Sun 7/9

08:00-06:50

1 stop28h 50m

London Gatwick

Fri 12/9

12:00-10:40

1 stop16h 40m

£654

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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

Can stopping save me money on Phnom Penh to London Gatwick Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Phnom Penh to London Gatwick Airport flight.

When to book flights from Phnom Penh to London Gatwick Airport

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

Cheap Phnom Penh to London Gatwick Airport (PNH to LGW) flight deals and tips

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

Best price found

£247

Fastest flight time

20h 45m

Direct flights

None
The best one-way flight to London Gatwick Airport from Phnom Penh in the past 72 hours is £247. The best return flight deal from Phnom Penh to London Gatwick Airport found on momondo in the last 72 hours is £518.
The fastest flight from Phnom Penh to London Gatwick Airport takes 20h 45m
There are no direct flights from Phnom Penh to London Gatwick Airport. Popular non-direct route for this connection is Phnom Penh Pochentong Airport - London Gatwick Airport.

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

    Phnom Penh Pochentong and London Gatwick are 6229.5 mi apart from one another. Typically, this will take 20h 45m by plane in normal conditions.

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

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

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

    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 Gatwick Airport.

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

    The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


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
Maidstone
Canterbury
Gatwick
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Dover
Winchester
Margate
Chelmsford
Bedford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phnom Penh to London. momondo saves you time and could save you money on your trip.

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?

Once all potential Phnom Penh to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to London from Phnom Penh are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/8
Wed 13/8

Find better results for your trip to London