Cheap flights from Phnom Penh to London from £199

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to London

1 stop
Fri, Oct 16
Phnom Penh KTILondon LGW
£199
Search
1 stop
Thu, Oct 15
Phnom Penh KTILondon LHR
£209
Search
1 stop
Sat, Oct 17
Phnom Penh KTILondon LHR
£209
Search
1 stop
Wed, Oct 14
Phnom Penh KTILondon LHR
£254
Search
1 stop
Mon, Oct 12
Phnom Penh KTILondon LHR
£255
Search
1 stop
Sat, Oct 17
Phnom Penh KTILondon LHR
£255
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

1 stop
Fri, Oct 16 – Thu, Oct 22
Phnom Penh KTILondon LGW
£506
Search
1 stop
Sat, Oct 17 – Sat, Oct 24
Phnom Penh KTILondon LHR
£516
Search
1 stop
Thu, Oct 15 – Thu, Oct 22
Phnom Penh KTILondon LHR
£516
Search
1 stop
Sat, Oct 17 – Thu, Oct 22
Phnom Penh KTILondon LHR
£516
Search
1 stop
Thu, Oct 15 – Mon, Oct 19
Phnom Penh KTILondon LHR
£533
Search
1 stop
Sat, Oct 17 – Thu, Oct 22
Phnom Penh KTILondon LHR
£561
Search

Not happy with the results? Try some of our useful filters

Search by stops

Search by carrier

Search by price

Search by departure date

How much do flights to London cost?

Cheapest one-way trip

£199

Cheapest round-trip

£506

Average round-trip

£660

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
Thai AirwaysTHATGNo
EmiratesUAEEKNo
RyanairRYRFRNo
Turkish AirlinesTHYTKNo

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
July23°C14°C
August22°C14°C
September19°C12°C
October15°C9°C
November10°C6°C
December8°C4°C
Hottest Month
23°C
July
Coldest month
2°C
January
Sunny days
283
days per year
Snow days
3
days per year

14 day forecast

Saturday
26 Sep
20°C14°C
3 Oct
20°C13°C
Sunday
27 Sep
27%
21°C14°C
4 Oct
20°C13°C
Monday
28 Sep
28%
19°C13°C
5 Oct
57%
18°C13°C
Tuesday
29 Sep
39%
23°C15°C
6 Oct
63%
18°C13°C
Wednesday
30 Sep
83%
19°C15°C
7 Oct
77%
13°C11°C
Thursday
1 Oct
36%
19°C13°C
8 Oct
73%
15°C11°C
Friday
2 Oct
13%
19°C12°C
9 Oct
67%
12°C8°C
Book your trip to arrive at Gatwick, Heathrow, London Stansted, Luton, or London City. The most popular airlines for this route are Etihad Airways, Thai Airways, Emirates, Ryanair, and Turkish Airlines. 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, Southampton, Bournemouth, Exeter, Norwich, Humberside.

Which airlines fly between Phnom Penh and London?

Currently, you can fly between Phnom Penh and London with Etihad Airways, Thai Airways, Emirates, Ryanair, Turkish Airlines.

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, Southampton, Bournemouth, Exeter, Norwich, 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.

Search flightsSearch direct flights

Explore alternative trips

Flights from Phnom Penh

Flights to London

Popular routes

The nearest countries with flights to London

Here is a list of countries people are flying from

Other destination countries from Phnom Penh

Here is a list of countries people are flying to

Airports near Phnom Penh

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Search flights
Find the best connection from Phnom Penh to London

Search, compare, and book flights to get there.

Search flights