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Cheap flights from London Gatwick Airport to Phnom Penh from £377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Phnom Penh departing on 9/10. 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 Gatwick Airport to Phnom Penh

Cheap return flights

Logo
06:20 - 06:55LGW-PNH
18h 35m2 stops
Logo
08:30 - 10:50PNH-LGW
32h 20m2 stops
£658
Find Deal
Mon, 13 Oct - Mon, 20 Oct
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14:35 - 18:25LGW-PNH
20h 50m2 stops
Logo
19:50 - 15:40PNH-LGW
26h 50m3 stops
£682
Find Deal
Fri, 28 Nov - Tue, 9 Dec
Logo
12:45 - 18:25LGW-PNH
22h 40m3 stops
Logo
19:50 - 15:40PNH-LGW
26h 50m3 stops
£690
Find Deal
Fri, 28 Nov - Tue, 9 Dec
Logo
19:40 - 18:25LGW-PNH
39h 45m3 stops
Logo
19:50 - 10:45PNH-LGW
21h 55m2 stops
£691
Find Deal
Tue, 18 Nov - Tue, 2 Dec
Logo
14:35 - 18:25LGW-PNH
20h 50m2 stops
Logo
19:50 - 11:05PNH-LGW
22h 15m2 stops
£694
Find Deal
Fri, 28 Nov - Tue, 9 Dec
Logo
06:20 - 06:55LGW-PNH
18h 35m2 stops
Logo
08:30 - 08:30PNH-LGW
30h 00m3 stops
£704
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Logo
20:50 - 18:25LGW-PNH
38h 35m3 stops
Logo
07:55 - 22:10PNH-LGW
21h 15m2 stops
£706
Find Deal
Thu, 20 Nov - Fri, 5 Dec
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21:50 - 06:55LGW-PNH
27h 05m2 stops
Logo
08:30 - 22:55PNH-LGW
20h 25m2 stops
£712
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Sat, 11 Oct - Sat, 18 Oct
Logo
09:45 - 06:55LGW-PNH
39h 10m3 stops
Logo
08:30 - 22:55PNH-LGW
20h 25m2 stops
£749
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Logo
12:50 - 18:25LGW-PNH
22h 35m2 stops
Logo
07:55 - 22:10PNH-LGW
21h 15m2 stops
£759
Find Deal
Mon, 10 Nov - Fri, 14 Nov

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Phnom Penh 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 12 September 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Phnom Penh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 13/10

06:20-06:55

2 stops18h 35m

Phnom Penh Pochentong

Mon 20/10

08:30-10:50

2 stops32h 20m

£658

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 28/11

14:35-18:25

2 stops20h 50m

Phnom Penh Pochentong

Tue 9/12

19:50-15:40

3 stops26h 50m

£682

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 28/11

12:45-18:25

3 stops22h 40m

Phnom Penh Pochentong

Tue 9/12

19:50-15:40

3 stops26h 50m

£690

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Tue 18/11

19:40-18:25

3 stops39h 45m

Phnom Penh Pochentong

Tue 2/12

19:50-10:45

2 stops21h 55m

£691

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 28/11

14:35-18:25

2 stops20h 50m

Phnom Penh Pochentong

Tue 9/12

19:50-11:05

2 stops22h 15m

£694

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 13/10

06:20-06:55

2 stops18h 35m

Phnom Penh Pochentong

Mon 20/10

08:30-08:30

3 stops30h 00m

£704

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Thu 20/11

20:50-18:25

3 stops38h 35m

Phnom Penh Pochentong

Fri 5/12

07:55-22:10

2 stops21h 15m

£706

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Sat 11/10

21:50-06:55

2 stops27h 05m

Phnom Penh Pochentong

Sat 18/10

08:30-22:55

2 stops20h 25m

£712

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Sat 11/10

09:45-06:55

3 stops39h 10m

Phnom Penh Pochentong

Sat 18/10

08:30-22:55

2 stops20h 25m

£749

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 10/11

12:50-18:25

2 stops22h 35m

Phnom Penh Pochentong

Fri 14/11

07:55-22:10

2 stops21h 15m

£759

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phnom Penh from

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

The month of June is another great option to travel to Phnom Penh, with average flight prices from London Gatwick Airport averaging around £571.

What is the cheapest day to depart on your flight to Phnom Penh?

Our data shows that Monday is the least expensive day to fly to Phnom Penh. Tickets to fly out on this day can be as low as £613. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Phnom Penh on Friday is £713.

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

Our data shows that the cheapest London Gatwick Airport to Phnom Penh flights are usually those with departure times in the evening. Our users have found flights to Phnom Penh in the evening for as low as £523. At midday is when there is more demand to fly to Phnom Penh, so prices are often more expensive at around £804 per ticket.

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

You could potentially save up to 37% on your flight if you consider stops on a London Gatwick Airport to Phnom Penh flight.

When to book flights from London Gatwick Airport to Phnom Penh

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

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

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

Direct flights

None
There are no direct flights from London Gatwick Airport to Phnom Penh. There are no popular flight routes from London Gatwick Airport to Phnom Penh.
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  • How far is London Gatwick to Phnom Penh Pochentong by plane?

    The distance between London Gatwick and Phnom Penh Pochentong is about 6229.5 mi. In terms of flight time, this usually takes a little over 17h 05m.

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

    Prices for flights from London Gatwick Airport to Phnom Penh Pochentong Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Phnom Penh Pochentong Airport.

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

    The necessary travel and health documents for your Phnom Penh Pochentong 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.

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

Best airlines flying from London Gatwick Airport to Phnom Penh

Compare and see reviews for airlines that fly from London Gatwick Airport to Phnom Penh with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £360Free CancellationRating
7.5
110 reviews
Search China Southern flights
China EasternPriceFrom £508Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom £561Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom £713Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
EmiratesPriceFrom £719Free CancellationRating
8.1
3,334 reviews
Search Emirates flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phnom Penh from London.

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?

momondo provides multiple filters to help you find the best flight to Phnom Penh from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Phnom Penh 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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