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Cheap flights from London to Phnom Penh from C$ 843

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to Phnom Penh departing on 22/2. 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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Find the cheapest flights from London to Phnom Penh

Cheap round-trip flights

These are some of the best round-trip flight deals from London to Phnom Penh that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Phnom Penh.

Cheap last-minute flights

Planning a quick getaway from London to Phnom Penh? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Phnom Penh, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London to Phnom Penh

Find recent round-trip train or bus tickets from London to Phnom Penh.

All round-trip flight deals from London to Phnom Penh

The cheapest plane tickets from London to Phnom Penh found on KAYAK recently.
9:10 p.m. - 11:15 a.m.LHR-PNH
31h 05m1 stop
12:15 p.m. - 7:10 p.m.PNH-LHR
37h 55m1 stop
C$ 843Shenzhen Airlines
Find Deal
Sat, 22 Feb - Sat, 1 Mar
9:10 p.m. - 11:15 a.m.LHR-PNH
31h 05m1 stop
12:15 p.m. - 7:10 p.m.PNH-LHR
37h 55m1 stop
C$ 850Shenzhen Airlines
Find Deal
Fri, 21 Feb - Sat, 1 Mar
9:10 p.m. - 11:15 a.m.LHR-PNH
31h 05m1 stop
12:15 p.m. - 7:10 p.m.PNH-LHR
37h 55m1 stop
C$ 910
Find Deal
Sun, 23 Feb - Sat, 1 Mar
9:30 p.m. - 10:50 a.m.LHR-PNH
30h 20m2 stops
8:00 a.m. - 6:15 p.m.PNH-LHR
17h 15m1 stop
C$ 971China Southern
Find Deal
Sat, 22 Feb - Sat, 1 Mar
9:30 p.m. - 2:35 p.m.LHR-PNH
34h 05m2 stops
8:00 a.m. - 6:15 p.m.PNH-LHR
17h 15m1 stop
C$ 977China Southern
Find Deal
Sat, 22 Feb - Fri, 28 Feb
8:25 p.m. - 11:10 p.m.LHR-PNH
19h 45m1 stop
12:25 a.m. - 3:55 p.m.PNH-LHR
22h 30m1 stop
C$ 1,021Air China
Find Deal
Sat, 22 Feb - Thu, 27 Feb
8:25 p.m. - 11:15 a.m.LHR-PNH
55h 50m2 stops
12:15 p.m. - 7:40 p.m.PNH-LHR
62h 25m2 stops
C$ 1,036Air China
Find Deal
Sat, 22 Feb - Thu, 27 Feb
9:00 p.m. - 6:50 a.m.LHR-PNH
26h 50m2 stops
12:10 a.m. - 7:00 p.m.PNH-LHR
25h 50m2 stops
C$ 1,044
Find Deal
Sat, 22 Feb - Fri, 28 Feb
7:50 p.m. - 1:00 p.m.LHR-PNH
35h 10m2 stops
8:55 p.m. - 5:05 p.m.PNH-LHR
26h 10m1 stop
C$ 1,227Vietnam Airlines
Find Deal
Sun, 11 May - Sun, 1 Jun
7:50 p.m. - 1:00 p.m.LHR-PNH
35h 10m2 stops
5:45 p.m. - 5:05 p.m.PNH-LHR
29h 20m2 stops
C$ 1,241Vietnam Airlines
Find Deal
Sun, 11 May - Sun, 1 Jun
10:00 p.m. - 6:25 p.m.LHR-PNH
37h 25m2 stops
C$ 847Emirates
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Mon, 3 Feb
9:05 a.m. - 4:35 p.m.LHR-PNH
25h 30m2 stops
C$ 854Emirates
Find Deal
Sun, 30 Mar
2:25 p.m. - 4:35 p.m.LHR-PNH
20h 10m2 stops
C$ 857Emirates
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Mon, 31 Mar
8:20 p.m. - 6:25 p.m.LHR-PNH
39h 05m2 stops
C$ 883Emirates
Find Deal
Sat, 8 Feb
10:05 p.m. - 11:10 a.m.LHR-PNH
31h 05m1 stop
C$ 1,005Shenzhen Airlines
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Sun, 6 Apr
9:35 p.m. - 5:25 p.m.LHR-PNH
37h 50m1 stop
C$ 1,090Malaysia Airlines
Find Deal
Tue, 8 Apr
7:50 p.m. - 5:10 p.m.LHR-PNH
39h 20m2 stops
C$ 1,095Cathay Pacific
Find Deal
Wed, 2 Apr
11:00 a.m. - 1:00 p.m.LHR-PNH
43h 00m3 stops
C$ 1,158Vietnam Airlines
Find Deal
Thu, 30 Jan
11:00 a.m. - 10:00 a.m.LHR-PNH
17h 00m1 stop
C$ 1,169Malaysia Airlines
Find Deal
Tue, 1 Apr
6:15 p.m. - 1:00 p.m.LHR-PNH
35h 45m3 stops
C$ 1,192Vietnam Airlines
Find Deal
Wed, 29 Jan

Shenzhen Airlines flights from London to Phnom Penh

Our best Shenzhen Airlines deals on London to Phnom Penh flight tickets
Shenzhen Airlines
22 Feb
LHR9:10 p.m.London Heathrow
31h 05m
1 stop
PNH11:15 a.m.Phnom Penh Pochentong
1 Mar
PNH12:15 p.m.Phnom Penh Pochentong
37h 55m
1 stop
LHR7:10 p.m.London Heathrow
Shenzhen Airlines
21 Feb
LHR9:10 p.m.London Heathrow
31h 05m
1 stop
PNH11:15 a.m.Phnom Penh Pochentong
1 Mar
PNH12:15 p.m.Phnom Penh Pochentong
37h 55m
1 stop
LHR7:10 p.m.London Heathrow
Shenzhen Airlines
9 Mar
LHR9:10 p.m.London Heathrow
31h 05m
1 stop
PNH11:15 a.m.Phnom Penh Pochentong
16 Mar
PNH12:15 p.m.Phnom Penh Pochentong
37h 55m
1 stop
LHR7:10 p.m.London Heathrow

Vietnam Airlines flights from London to Phnom Penh

Our best Vietnam Airlines deals on London to Phnom Penh flight tickets
Vietnam Airlines
11 May
LHR7:50 p.m.London Heathrow
35h 10m
2 stops
PNH1:00 p.m.Phnom Penh Pochentong
1 Jun
PNH8:55 p.m.Phnom Penh Pochentong
26h 10m
1 stop
LHR5:05 p.m.London Heathrow
C$ 1,227
Find similar
Vietnam Airlines
11 May
LHR7:50 p.m.London Heathrow
35h 10m
2 stops
PNH1:00 p.m.Phnom Penh Pochentong
1 Jun
PNH5:45 p.m.Phnom Penh Pochentong
29h 20m
2 stops
LHR5:05 p.m.London Heathrow
C$ 1,241
Find similar
Vietnam Airlines
4 May
LHR7:50 p.m.London Heathrow
35h 10m
2 stops
PNH1:00 p.m.Phnom Penh Pochentong
11 May
PNH5:45 p.m.Phnom Penh Pochentong
29h 20m
2 stops
LHR5:05 p.m.London Heathrow
C$ 1,244
Find similar

See travel insights to Phnom Penh from

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

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 typical price of a round-trip flight between London and Phnom Penh?

What is the cheapest month to fly to Phnom Penh?

The cheapest month to fly to Phnom Penh from London is in November. Flight prices, which tend to average around C$ 1,021, are often lower during this time because this is during the off-season. If you aren’t able to travel to Phnom Penh during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 1,053.

How far in advance should I book a flight to Phnom Penh?

You are more likely to see cheaper flights to Phnom Penh from London when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around C$ 1,355 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from London for as low as C$ 1,090 on momondo.

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

As of January 2025, prices for London to Phnom Penh flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from London to Phnom Penh

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

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

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

Best price found

C$ 847

Fastest flight time

16h 00m

Direct flights

None

Airports in Phnom Penh

1 airport
The best one-way flight to Phnom Penh from London in the past 72 hours is C$ 847. The best round-trip flight deal from London to Phnom Penh found on momondo in the last 72 hours is C$ 843.
The fastest flight from London to Phnom Penh takes 16h 00m
There are no direct flights from London to Phnom Penh. Popular non-direct route for this connection is London Heathrow Airport - Phnom Penh Pochentong Airport.
There is 1 airport near Phnom Penh: Phnom Penh Pochentong (PNH)

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

    The distance between London and Phnom Penh Pochentong is about 10009.6 km. 16h 00m is a normal flight duration for this route.

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

    Prices for flights from London to Phnom Penh Pochentong Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Phnom Penh Pochentong Airport.

  • What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?

    The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Why use momondo?

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

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 London to Phnom Penh for you.

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

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

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

Once all potential London to Phnom Penh 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 London to Phnom Penh right now. Can momondo alert me if prices change?

Price alerts on flights to Phnom Penh from London 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.


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