Cheap flights from London to Phnom Penh from £497

Cheap flights from London to Phnom Penh from £497

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Phnom Penh

1 stop
Thu, May 28
London LHRPhnom Penh KTI
£497
Search
1 stop
Mon, May 25
London LHRPhnom Penh KTI
£499
Search
1 stop
Mon, May 25
London LHRPhnom Penh KTI
£499
Search
1 stop
Sun, May 24
London LHRPhnom Penh KTI
£505
Search
1 stop
Tue, May 26
London LHRPhnom Penh KTI
£520
Search
1 stop
Fri, May 29
London LHRPhnom Penh KTI
£521
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
Mon, May 25 – Fri, May 29
London LHRPhnom Penh KTI
£676
Search
1 stop
Fri, May 29 – Wed, Jun 3
London LHRPhnom Penh KTI
£680
Search
1 stop
Mon, May 25 – Fri, May 29
London LHRPhnom Penh KTI
£721
Search
1 stop
Fri, May 29 – Wed, Jun 3
London LHRPhnom Penh KTI
£751
Search
1 stop
Sun, May 24 – Fri, May 29
London LHRPhnom Penh KTI
£751
Search
1 stop
Mon, May 25 – Sun, May 31
London LHRPhnom Penh KTI
£788
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 Phnom Penh cost?

Cheapest one-way trip

£497

Cheapest round-trip

£676

Average round-trip

£957

Most popular airline

Etihad Airways

Getting from Phnom Penh airport to the city center

Fastest options: taxi and ride-hailing services. Best value: airport shuttle bus and tuk-tuk.

Phnom Penh is served by Phnom Penh International Airport (PNH), located approximately 10 km west of the city center. The airport offers several airport transfers to city center options including taxis, ride-hailing services, tuk-tuks, and shuttle buses. Journey times typically range from 20 to 45 minutes depending on traffic conditions, which can be heavy during peak hours. Most transport options are available around the clock, though frequencies may vary at night.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

20-40 min

៛36,000-៛48,000 (KHR 36,000–48,000 (USD 9–12); fixed rate to city center)

on-demand 24/7 (traffic dependent)

convenience and comfort

20-40 min

៛20,000-៛36,000 (KHR 20,000–36,000 (USD 5–9); price varies with demand)

on-demand 24/7 (traffic dependent)

app-based booking

25-45 min

៛16,000-៛28,000 (KHR 16,000–28,000 (USD 4–7); negotiate before departure)

on-demand (traffic dependent)

budget travelers

20-40 min

៛16,000-៛32,000 (KHR 16,000–32,000 (USD 4–8); local ride-hailing app)

on-demand 24/7 (traffic dependent)

local app users

20-35 min

៛60,000-៛100,000 (KHR 60,000–100,000 (USD 15–25); pre-booked service)

pre-booked (traffic dependent)

groups and families

15-30 min

៛8,000-៛16,000 (KHR 8,000–16,000 (USD 2–4); not suitable for luggage)

on-demand (traffic dependent)

solo travelers, light luggage

Notes:

  • Prices in KHR with USD equivalents; table created in 2025 and subject to change.
  • US dollars are widely accepted in Cambodia; small change may be given in Cambodian riel.
  • Tuk-tuk and motorbike taxi fares should be negotiated before departure.
  • Traffic congestion is common during morning and evening rush hours.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Phnom Penh

Depart from
Gatwick
Arrive to
Techo International Airport
Average flights per week
400
Flight distance

Check-in for a flight from London to Phnom Penh

NameCarrier codeIATA CodePassport needed during booking
Etihad AirwaysETDEYNo
RyanairRYRFRNo
Cambodia AirwaysKMEKRYes
Turkish AirlinesTHYTKNo
Air CambodiaKHVK6No

Online check-in is not available for these airlines.

Weather in Phnom Penh

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January32°C22°C
February34°C23°C
March36°C25°C
April35°C26°C
May34°C26°C
June33°C25°C
July32°C25°C
August32°C25°C
September31°C25°C
October31°C24°C
November30°C23°C
December30°C22°C
Hottest Month
36°C
March
Coldest month
22°C
January
Sunny days
203
days per year

14 day forecast

Saturday
9 May
84%
38°C27°C
16 May
87%
36°C27°C
Sunday
10 May
89%
36°C26°C
17 May
84%
32°C26°C
Monday
11 May
88%
35°C23°C
18 May
84%
25°C23°C
Tuesday
12 May
35°C27°C
19 May
77%
27°C23°C
Wednesday
13 May
81%
36°C27°C
20 May
87%
25°C24°C
Thursday
14 May
82%
36°C27°C
21 May
30°C24°C
Friday
15 May
85%
38°C27°C
22 May
30°C25°C
Travelers usually depart from Gatwick, London Stansted, Heathrow, Luton, or London City when they travel from London to Phnom Penh. Book your trip to arrive at Techo International Airport, or Phnom Penh International. The most popular airlines for this route are Etihad Airways, Ryanair, Cambodia Airways, Turkish Airlines, and Air Cambodia. London and Phnom Penh have 400 direct flights per week.

Frequently asked questions

What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Istanbul, Tirana, Barcelona, Jeddah, Tel Aviv, Prague, Paris, Athens, Bucharest, Málaga, Marrakesh, Bangkok, Rome, Chișinău, Madrid, Budapest, Edinburgh, New York, Oslo, Agadir.
What are the most popular routes to and from Phnom Penh?
Travelers frequently search for route combinations, such as Phnom Penh and Bangkok, Ho Chi Minh City, Siem Reap, Denpasar, Kuala Lumpur, Phuket Province, Bali, Phuket City, Chiang Mai, Singapore, Perth, Hanoi, Manila, Manchester, Da Nang, Melbourne, Jakarta, Krabi, Tokyo, Guangzhou.
Which airports are there in London?
London is mainly served by Gatwick. But there are other airports nearby, including London Stansted, Heathrow, Luton, London Southend, London City, RAF Northolt.
What airports are near London?
The main airport in London is Gatwick. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Southampton, Exeter, Norwich, Humberside.
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.
Which airlines fly between London and Phnom Penh?
Currently, you can fly between London and Phnom Penh with Etihad Airways, Ryanair, Cambodia Airways, Turkish Airlines, Air Cambodia.
When’s the best time to travel between London and Phnom Penh?
If you don’t have specific dates for your trip between London and Phnom Penh, 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 London and Phnom Penh?
Traveling between London and Phnom Penh, 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 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, Exeter, Norwich, Humberside
How many airports are there near Phnom Penh?
What time do nonstop (direct) flights between London and Phnom Penh depart?
What time do nonstop (direct) flights between London and Phnom Penh arrive?
What time do flights between London and Phnom Penh depart?
What time do flights between London and Phnom Penh 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 London

Flights to Phnom Penh

The nearest countries with flights to Phnom Penh

Here is a list of countries people are flying from

Other destination countries from London

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 London to Phnom Penh

Search, compare, and book flights to get there.

Search flights