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Cheap flights from London City Airport to Phnom Penh from £402

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — PNH
2 Sep — 9 Sep1
1 adult

Cheap flight deals from London City to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 August 2025.

Round-trip from

£573

One-way from

£402

Popular in

July

Cheapest in

November

Average price

£805
SWISS
  • SWISS
  • 22/2-12/3
  • 4 total stops
  • 50h 20m total
  • London to Phnom Penh
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Lufthansa
  • Lufthansa
  • 15/1
  • 2 total stops
  • 31h 20m total
  • London to Phnom Penh
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£79 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from London City to Phnom Penh

Cheapest flights from London City to Phnom Penh
Explore the most affordable flight options available from London City to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Mon 3/1119:10LCY - PNH
2 stops30h 25mSWISS
Mon 24/1119:40PNH - LCY
2 stops19h 55mSWISS
Deal found 26/8£612
Mon 3/1119:10LCY - PNH
2 stops30h 25mSWISS
Mon 17/1119:40PNH - LCY
2 stops19h 55mSWISS
Deal found 26/8£627
Sun 26/1019:20LCY - PNH
2 stops30h 15mSWISS
Wed 29/1019:40PNH - LCY
2 stops19h 55mSWISS
Deal found 26/8£731
Wed 24/909:25LCY - PNH
2 stops41h 15mSWISS
Wed 8/1018:55PNH - LCY
2 stops28h 20mSWISS
Deal found 26/8£751
Thu 9/1008:45LCY - PNH
2 stops41h 55mLufthansa
Sun 19/1018:55PNH - LCY
2 stops29h 40mLufthansa
Deal found 26/8£758
Thu 25/908:45LCY - PNH
2 stops17h 55mLufthansa
Thu 9/1018:55PNH - LCY
2 stops19h 25mLufthansa
Deal found 26/8£763
Wed 24/918:05LCY - PNH
2 stops32h 35mMultiple Airlines
Thu 9/1018:55PNH - LCY
2 stops19h 25mMultiple Airlines
Deal found 26/8£766
Wed 1/1019:20LCY - PNH
2 stops31h 20mSWISS
Wed 8/1018:55PNH - LCY
2 stops19h 55mSWISS
Deal found 26/8£791
Mon 3/1118:55LCY - PNH
3 stops32h 55mMultiple Airlines
Mon 17/1115:50PNH - LCY
3 stops28h 00mMultiple Airlines
Deal found 26/8£829
Sun 7/914:20LCY - PNH
2 stops22h 15mMultiple Airlines
Wed 24/914:05PNH - LCY
2 stops33h 10mMultiple Airlines
Deal found 26/8£835
Thu 11/919:20LCY - PNH
2 stops31h 20mSWISS
Mon 15/918:55PNH - LCY
2 stops19h 55mSWISS
Deal found 26/8£847

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City 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, Cheapflights users made 858,174 searches. Data last updated 28 August 2025.
Use the filters below to find and compare flights from London City Airport to Phnom Penh that are best for you.

Fly from

London City

Fly to

Phnom Penh

Route

Depart

Return

Price

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Mon 3/11

19:10-08:35

2 stops30h 25m

Phnom Penh Pochentong

Mon 24/11

19:40-08:35

2 stops19h 55m

£612

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Mon 3/11

19:10-08:35

2 stops30h 25m

Phnom Penh Pochentong

Mon 17/11

19:40-08:35

2 stops19h 55m

£627

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Sun 26/10

19:20-08:35

2 stops30h 15m

Phnom Penh Pochentong

Wed 29/10

19:40-08:35

2 stops19h 55m

£731

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Wed 24/9

09:25-08:40

2 stops41h 15m

Phnom Penh Pochentong

Wed 8/10

18:55-17:15

2 stops28h 20m

£751

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Thu 9/10

08:45-08:40

2 stops41h 55m

Phnom Penh Pochentong

Sun 19/10

18:55-18:35

2 stops29h 40m

£758

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Thu 25/9

08:45-08:40

2 stops17h 55m

Phnom Penh Pochentong

Thu 9/10

18:55-08:20

2 stops19h 25m

£763

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Wed 24/9

18:05-08:40

2 stops32h 35m

Phnom Penh Pochentong

Wed 8/10

18:55-08:10

2 stops19h 15m

£766

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Wed 24/9

18:05-08:40

2 stops32h 35m

Phnom Penh Pochentong

Thu 9/10

18:55-08:20

2 stops19h 25m

£766

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Wed 1/10

19:20-08:40

2 stops31h 20m

Phnom Penh Pochentong

Wed 8/10

18:55-08:50

2 stops19h 55m

£791

LondonPhnom Penh

LCY - PNH

LCYPNH

London City

Sun 18/1

13:20-08:35

2 stops36h 15m

Phnom Penh Pochentong

Sun 12/4

18:55-17:30

2 stops28h 35m

£826

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 23 results
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Best time to book a flight from London City to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from London City with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from London City to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Phnom Penh from London City?

    If you book a flight to Phnom Penh from London City, you will be flying to Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh. There are 0 flights from London City to Pochentong per day from 0 different airlines.

  • How long is the flight from London City Airport to Phnom Penh?

    Airlines like SWISS and Lufthansa fly from London City Airport to Phnom Penh in about 30h 25m. The time it takes to get you to your destination can typically vary by up to 11h 30m. The distance from London City Airport to Phnom Penh is about 6210 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from London City to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on London City to Phnom Penh flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London City to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Phnom Penh.

  • Can I find deals for business class flights from London City to Phnom Penh?

    Yes. Cheapflights offers flight deals from London City to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London City Airport to Phnom Penh?

    Currently, September is the cheapest month in which you can book a flight from London City Airport to Phnom Penh (average of £689). Flying from London City Airport to Phnom Penh in July is currently the most expensive (average of £1,232). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London City to Phnom Penh

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Phnom Penh flights
Gatwick to Phnom Penh flights
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Heathrow to Krong Preah Sihanouk flights

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How does Cheapflights help users find flights from London City to Phnom Penh?

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Can Cheapflights find flights from London City to Phnom Penh with no change fees?

Certainly. Search results for flights to Phnom Penh from London City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London City to Phnom Penh become cheaper?

Of course! You can now track prices for flights from London City to Phnom Penh and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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