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Cheap flights from Phnom Penh to London Heathrow Airport from £226

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 Heathrow Airport departing on 24/12. 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 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.

Cheap one-way flights

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

Cheap last-minute flights

Planning a quick getaway from Phnom Penh to London? 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 London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Phnom Penh to London

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

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
08:00 - 18:15PNH-LHR
17h 15m1 stop
22:00 - 10:50LHR-PNH
29h 50m1 stop
£496China Southern
Find Deal
Thu, 26 Dec - Wed, 26 Feb
15:50 - 17:55PNH-LHR
33h 05m2 stops
22:00 - 23:30LHR-PNH
18h 30m1 stop
£504China Southern
Find Deal
Mon, 23 Dec - Tue, 25 Feb
11:05 - 13:55PNH-LHR
33h 50m2 stops
17:50 - 10:00LHR-PNH
33h 10m2 stops
£511China Eastern
Find Deal
Thu, 26 Dec - Wed, 12 Feb
00:15 - 17:30PNH-LHR
24h 15m1 stop
21:00 - 23:15LHR-PNH
19h 15m1 stop
£528China Eastern
Find Deal
Mon, 9 Dec - Mon, 30 Dec
11:55 - 18:15PNH-LHR
37h 20m1 stop
21:10 - 11:15LHR-PNH
31h 05m1 stop
Mon, 23 Dec - Sun, 12 Jan
15:50 - 18:15PNH-LHR
33h 25m1 stop
20:25 - 11:15LHR-PNH
31h 50m2 stops
Mon, 23 Dec - Sun, 12 Jan
12:15 - 19:10PNH-LHR
37h 55m1 stop
21:10 - 11:15LHR-PNH
31h 05m1 stop
£609Shenzhen Airlines
Find Deal
Tue, 10 Dec - Mon, 30 Dec
00:25 - 17:50PNH-LHR
24h 25m1 stop
17:40 - 23:10LHR-PNH
22h 30m1 stop
£623Air China
Find Deal
Mon, 2 Dec - Thu, 5 Dec
00:25 - 15:55PNH-LHR
22h 30m1 stop
20:25 - 11:15LHR-PNH
31h 50m2 stops
£629Air China
Find Deal
Mon, 9 Dec - Mon, 30 Dec
12:15 - 20:00PNH-LHR
37h 45m1 stop
22:05 - 11:10LHR-PNH
31h 05m1 stop
£747Shenzhen Airlines
Find Deal
Sat, 5 Apr - Sun, 20 Apr
11:05 - 13:55PNH-LHR
33h 50m2 stops
£226China Eastern
Find Deal
Tue, 24 Dec
11:05 - 13:55PNH-LHR
33h 50m3 stops
£227China Eastern
Find Deal
Sun, 29 Dec
11:55 - 18:15PNH-LHR
37h 20m1 stop
£245China Southern
Find Deal
Thu, 28 Nov
11:55 - 18:15PNH-LHR
37h 20m1 stop
£249China Southern
Find Deal
Wed, 27 Nov
00:25 - 17:50PNH-LHR
24h 25m1 stop
£268Air China
Find Deal
Tue, 18 Mar
00:05 - 20:30PNH-LHR
26h 25m1 stop
£271Air China
Find Deal
Fri, 2 May
14:00 - 18:15PNH-LHR
35h 15m2 stops
Sun, 1 Dec
15:50 - 19:10PNH-LHR
34h 20m3 stops
Fri, 27 Dec
20:55 - 06:40PNH-LHR
16h 45m1 stop
£375Thai Airways
Find Deal
Thu, 26 Dec
20:55 - 06:40PNH-LHR
16h 45m1 stop
£414Thai Airways
Find Deal
Tue, 31 Dec

Emirates flights from Phnom Penh to London Heathrow Airport

Our best Emirates deals on Phnom Penh to London Heathrow Airport flight tickets
Emirates
16 Jan
PNH21:30Phnom Penh Pochentong
29h 30m
2 stops
LHR20:00London Heathrow
25 Jan
LHR15:50London Heathrow
19h 35m
2 stops
PNH18:25Phnom Penh Pochentong
Emirates
23 Dec
PNH21:30Phnom Penh Pochentong
25h 40m
2 stops
LHR16:10London Heathrow
11 Feb
LHR13:40London Heathrow
21h 45m
2 stops
PNH18:25Phnom Penh Pochentong
Emirates
17 Dec
PNH21:30Phnom Penh Pochentong
29h 30m
2 stops
LHR20:00London Heathrow
7 Jan
LHR19:00London Heathrow
40h 25m
2 stops
PNH18:25Phnom Penh Pochentong

China Southern flights from Phnom Penh to London Heathrow Airport

Our best China Southern deals on Phnom Penh to London Heathrow Airport flight tickets
China Southern
26 Dec
PNH08:00Phnom Penh Pochentong
17h 15m
1 stop
LHR18:15London Heathrow
26 Feb
LHR22:00London Heathrow
29h 50m
1 stop
PNH10:50Phnom Penh Pochentong
China Southern
23 Dec
PNH15:50Phnom Penh Pochentong
33h 05m
2 stops
LHR17:55London Heathrow
25 Feb
LHR22:00London Heathrow
18h 30m
1 stop
PNH23:30Phnom Penh Pochentong
China Southern
28 Dec
PNH15:50Phnom Penh Pochentong
29h 10m
2 stops
LHR14:00London Heathrow
25 Feb
LHR22:00London Heathrow
33h 35m
1 stop
PNH14:35Phnom Penh Pochentong

See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Phnom Penh to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £625. The month of May is another great option to travel to London Heathrow Airport, with average flight prices from Phnom Penh averaging around £629.

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

On average, the least expensive day to fly to London Heathrow Airport from Phnom Penh is on a Monday. momondo users have found tickets for Monday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £962.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Phnom Penh to London Heathrow Airport at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,000 on average. Flights to London Heathrow Airport from Phnom Penh in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Most flyers found that booking tickets 21 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around £836. However, in the past 72 hours, people saw flights from Phnom Penh for as low as £414.

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

No. A direct flight is the cheapest option for a flight between Phnom Penh to London Heathrow Airport.

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

As of November 2024, prices for Phnom Penh to London Heathrow Airport flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Phnom Penh to London Heathrow Airport

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

Cheap Phnom Penh to London Heathrow Airport (PNH to LHR) flight deals and tips

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

Best price found

£226

Fastest flight time

16h 00m

Direct flights

None
The best one-way flight to London Heathrow Airport from Phnom Penh in the past 72 hours is £226. The best return flight deal from Phnom Penh to London Heathrow Airport found on momondo in the last 72 hours is £496.
The fastest flight from Phnom Penh to London Heathrow Airport takes 16h 00m
There are no direct flights from Phnom Penh to London Heathrow Airport. Popular non-direct route for this connection is Phnom Penh Pochentong Airport - London Heathrow Airport.

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

    Phnom Penh Pochentong and London Heathrow are 6233.8 mi apart from one another. Flights usually cover this in 16h 00m, depending on flying conditions and air traffic around both airports.

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

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

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

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

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

    The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?


Best airlines flying from Phnom Penh to London Heathrow Airport

Compare and see reviews for airlines that fly from Phnom Penh to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £465Free CancellationRating
7.6
123 reviews
Search China Southern flights
China EasternPriceFrom £555Free CancellationRating
6.9
219 reviews
Search China Eastern flights
Thai AirwaysPriceFrom £921Free CancellationRating
7.7
367 reviews
Search Thai Airways flights

Why use momondo?

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

It is quick and easy to find Phnom Penh to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits 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 provides multiple filters to help you find the best flight to London from Phnom Penh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.


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