Cheap flights from Phnom Penh to London from £345

Cheap flights from Phnom Penh to London from £345

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1 stop
Tue, Jul 7
Phnom Penh KTILondon LHR
£345
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1 stop
Mon, Jul 6
Phnom Penh KTILondon LHR
£345
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1 stop
Sun, Jul 5
Phnom Penh KTILondon LGW
£345
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1 stop
Mon, Jul 6
Phnom Penh KTILondon LGW
£345
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1 stop
Wed, Jul 8
Phnom Penh KTILondon LHR
£375
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1 stop
Mon, Jul 6
Phnom Penh KTILondon LHR
£376
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1 stop
Mon, Jul 6 – Thu, Jul 9
Phnom Penh KTILondon LHR
£811
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1 stop
Sun, Jul 5 – Thu, Jul 9
Phnom Penh KTILondon LGW
£811
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1 stop
Sun, Jul 5 – Wed, Jul 8
Phnom Penh KTILondon LGW
£827
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1 stop
Mon, Jul 6 – Thu, Jul 9
Phnom Penh KTILondon LHR
£842
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1 stop
Tue, Jul 7 – Sat, Jul 11
Phnom Penh KTILondon LHR
£848
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1 stop
Mon, Jul 6 – Sat, Jul 11
Phnom Penh KTILondon LHR
£848
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How much do flights to London cost?

Cheapest one-way trip

£345

Cheapest round-trip

£811

Average round-trip

£1,011

Most popular airline

Etihad Airways

Getting from London airports to the city center

Fastest options: Heathrow Express (LHR), Gatwick Express (LGW), Stansted Express (STN). Best value: Underground, DLR, Elizabeth line and commuter trains.

London is served by six airports, each offering a variety of airport transfers to city center destinations. Heathrow Airport (LHR) lies 24 km west of central London, Gatwick Airport (LGW) is 45 km to the south, Stansted Airport (STN) sits 64 km northeast, Luton Airport (LTN) is 46 km north, London City Airport (LCY) is just 11 km east, and Southend Airport (SEN) is 64 km to the east. Transport options include express trains, the Underground, DLR, coaches, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from London Heathrow Airport (LHR) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

15 min

£15 – £25; advance vs on-the-day fares

every 15 min

fastest to Paddington

28-38 min

£12 – £13; Oyster/contactless fare

every 5–10 min

central London with stops

35-75 min

£60 – £100; metered; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door with luggage

How to get from London Gatwick Airport (LGW) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

30 min

£18 – £23; advance vs on-the-day fares

every 15 min

fastest to Victoria

How to get from London Stansted Airport (STN) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

45-50 min

£20 – £26; advance vs on-the-day fares

every 15–30 min

fastest to the City

How to get from London Luton Airport (LTN) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

35-55 min

£12 – £20; includes DART transfer

every 10–20 min

direct to St Pancras

How to get from London City Airport (LCY) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

15-25 min

£3 – £5; Oyster/contactless fare

every 4–10 min

Canary Wharf and City

How to get from London Southend Airport (SEN) to London?

Transport Option

Typical time

Typical cost

Frequency

Best for

50-60 min

£18 – £25; advance vs on-the-day fares

every 20–30 min

direct to Liverpool Street

Notes:

  • Prices in GBP; table created in 2025 and subject to change.
  • Contactless and Oyster are valid on the Underground, DLR, Elizabeth line, and most National Rail services within London zones.
  • Black cabs are metered; ride-hailing prices vary with demand. Road traffic can significantly affect journey times (traffic dependent).
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to London

Depart from
Techo International Airport
Arrive to
Gatwick
Average flights per week
400
Flight distance
Worth visiting
Avebury - British Museum - Canterbury Cathedral - Isle of Wight - Natural History Museum - Portsea Island - Roman Baths, Bath - Stonehenge - St. Paul's Cathedral - Tate Modern - Tower of London

Check-in for a flight from Phnom Penh to London

NameCarrier codeIATA CodePassport needed during booking
Etihad AirwaysETDEYNo
China Southern AirlinesCSNCZYes
China Eastern AirlinesCESMUYes
Air CambodiaKHVK6No
Thai AirwaysTHATGNo

Online check-in is not available for these airlines.

Weather in London

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March11°C4°C
April14°C5°C
May17°C8°C
June20°C11°C
July22°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
22°C
July
Coldest month
2°C
January
Sunny days
281
days per year
Snow days
2
days per year

14 day forecast

Saturday
27 Jun
57%
32°C19°C
4 Jul
28°C13°C
Sunday
28 Jun
36%
27°C18°C
5 Jul
29°C16°C
Monday
29 Jun
24°C13°C
6 Jul
31°C17°C
Tuesday
30 Jun
26°C16°C
7 Jul
33°C20°C
Wednesday
1 Jul
27°C16°C
8 Jul
36%
29°C18°C
Thursday
2 Jul
23%
24°C18°C
9 Jul
20%
24°C16°C
Friday
3 Jul
57%
22°C15°C
10 Jul
26°C14°C
Book your trip to arrive at Gatwick, London Stansted, Heathrow, Luton, or London Southend. The most popular airlines for this route are Etihad Airways, China Southern Airlines, China Eastern Airlines, Air Cambodia, and Thai Airways. Phnom Penh and London have 400 direct flights per week. When you arrive at London, consider visiting Avebury, British Museum, Canterbury Cathedral, Isle of Wight, Natural History Museum, Portsea Island, Roman Baths, Bath, Stonehenge, St. Paul's Cathedral, Tate Modern, and Tower of London.

Frequently asked questions

What are the most popular routes to and from Phnom Penh?
Travelers frequently search for route combinations, such as Phnom Penh and Bangkok, Kuala Lumpur, Siem Reap, Ho Chi Minh City, Denpasar, Bali, Phuket City, Manchester, Phuket Province, Chiang Mai, Singapore, Manila, Hanoi, Bristol, Jakarta, Edinburgh, Perth, Melbourne, Sydney, Colombo.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Istanbul, Tel Aviv, Tirana, Bucharest, Barcelona, Chișinău, Athens, Paris, Madrid, Prague, Edinburgh, Rome, Málaga, Jeddah, Sofia, Bangkok, Larnaca, Bacău, Warsaw, Budapest.
What airports are near Phnom Penh?
The main airport in Phnom Penh is Phnom Penh International. It is also served by Tan Son Nhat International, Sihanoukville International, Can Tho International, Rach Gia.
What airports are near London?
The main airport in London is Gatwick. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Norwich, Exeter, Humberside.
Which airlines fly between Phnom Penh and London?
Currently, you can fly between Phnom Penh and London with Etihad Airways, China Southern Airlines, China Eastern Airlines, Air Cambodia, Thai Airways.
When’s the best time to travel between Phnom Penh and London?
If you don’t have specific dates for your trip between Phnom Penh and London, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Phnom Penh and London?
Traveling between Phnom Penh and London, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Phnom Penh?
There are a number of airports in and around Phnom Penh. The main one is Phnom Penh International and other nearby airports include Tan Son Nhat International, Sihanoukville International, Can Tho International, Rach Gia
How many airports are there near London?
There are a number of airports in and around London. The main one is Gatwick and other nearby airports include Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Norwich, Exeter, Humberside.
What time do nonstop (direct) flights between Phnom Penh and London depart?
What time do nonstop (direct) flights between Phnom Penh and London arrive?
What time do flights between Phnom Penh and London depart?
What time do flights between Phnom Penh and London arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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