
Flights from London to Phnom Penh from GBP521
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1 Passenger, Economy
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Popular Flights from London to Phnom Penh for Your Next Trip
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*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Plan Ahead with Flight Deals from London to Phnom Penh
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London (LHR)to
Phnom Penh (PNH)
2 Oct 2025 - 7 Oct 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
2 Oct 2025 - 16 Oct 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
9 Oct 2025 - 14 Oct 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
9 Oct 2025 - 23 Oct 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
28 Oct 2025 - 4 Nov 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
28 Oct 2025 - 11 Nov 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
9 Oct 2025 - 16 Oct 2025
Round-trip
Economy
From
GBP521
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
31 Oct 2025 - 11 Nov 2025
Round-trip
Economy
From
GBP539
Last Seen 1 day ago
London (LHR)to
Phnom Penh (PNH)
11 Oct 2025 - 16 Oct 2025
Round-trip
Economy
From
GBP541
Last Seen 21 hours ago
London (LHR)to
Phnom Penh (PNH)
15 Oct 2025 - 20 Oct 2025
Round-trip
Economy
From
GBP549
Last Seen 21 hours ago
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Book London to Phnom Penh flights and discover Cambodia’s vibrant capital
Explore the natural beauty of Phnom Penh — a city where peaceful green spaces and riverside views offer a refreshing break from the busy city life. Surrounded by open landscapes and wildlife, this capital brings calm that’s not often found in bustling places. Whether guests are planning a quiet escape in nature or time spent outdoors, Phnom Penh greets them with a warm and relaxed spirit. Book London to Phnom Penh flights and discover a destination made for those who want to slow down, breathe deeply, and reconnect.
Book flights from London to Phnom Penh with Etihad Airways — the national airline of the UAE — and enjoy a comfortable and rewarding journey. Take advantage of great flight deals and enjoy premium amenities such as nonstop Wi-Fi, onboard entertainment, and complimentary gourmet meals. With us, travelling anywhere in the world is simple and hassle-free.
Why choose Etihad for London to Phnom Penh flights
Book London to Phnom Penh flights with us and discover our commitment to making your trip better. Here’s why you should choose us for your journey:
- Amazing Abu Dhabi stopover: Get up to two nights of free hotel stays with our stopover programme. Explore Abu Dhabi and turn your connection into another holiday — all at no extra airfare cost.
- Nonstop browsing, streaming, and connecting: Connect onboard with our fast, reliable Wi-Fi to work and browse without interruption. Or dive into our E-BOX, which offers over 1,000 hours of movies, TV shows, music, and games to keep you entertained.
- Relax in premium lounges worldwide: Unwind in our premium lounges around the world – including London – with gourmet meals, refreshing showers, fast Wi-Fi, and attentive service before your flight.
- Find amazing flight deals year-round: Discover great flight deals with us all year long. We offer seasonal specials and last-minute offers, so you can travel more while spending less.
London to Phnom Penh flights: Essential details
Preparing for your trip from London to Phnom Penh is simple when you have the right information. We’ve gathered everything you need — from flight times and weather updates to visa rules and helpful details about your destination.
London (LHR) to Phnom Penh (PNH): Details to know
- Flight distance: The distance between London and Phnom Penh is 6,242 miles (or 10,046km).
- Flight duration: Our fastest flight from London to Phnom Penh takes around 14 hours and 30 minutes.
- Flight schedule: From November 2025, the one-stop flight from London to Phnom Penh usually departs in the morning, at around 09:00.
- Flights per day: There are up to three one-stop flights per day from London to Phnom Penh, depending on the day, with a layover in Abu Dhabi.
- Return flight schedule: The earliest flight from Phnom Penh to London usually departs in the morning, at around 07:55.
*Refer to etihad.com for the most up-to-date flight status and details, including flight times, schedules, and daily departures, as these are subject to change.
Weather information
London’s climate shifts with the seasons. Expect warm summers from June to August, mild and crisp autumns between September and November, and occasional snowfall during the colder winter months from December to February.
Phnom Penh stays warm throughout the year, with only slight variations between seasons. From May to November, the monsoon season brings higher humidity and rain. The dry season runs from December to April, with cooler evenings and drier air. The hottest months are March and May, while the period from September to January brings more comfortable temperatures.
Visa, currency, and language information
- Visa guidelines: Citizens of the UK can visit Cambodia with an e-Visa or a visa-on-arrival for stays of up to 30 days, extendable to another 30 days.
- Currency: Cambodia uses the Cambodian Riel (KHR) as its official currency. Visitors can easily withdraw cash from ATMs or exchange money when needed for convenience.
- Language: Khmer is the official language of Cambodia, but English and French are widely understood in tourist areas. In some regions, you may also hear Thai, Vietnamese, or Chinese.
Phnom Penh: The heart of Cambodia's spirit
Phnom Penh offers more than urban attractions. Its natural surroundings provide a quiet escape filled with diverse wildlife and green spaces. Visitors can explore quiet spots, watch birds in their natural habitats, and find areas of nature hidden within the city. This mix of urban life and nature invites travellers to discover a side of Phnom Penh that is calm yet full of life.
Must-try experiences in Phnom Penh
Just like London’s many green spaces, Phnom Penh also has vibrant natural landscapes ready to be explored. Here are some highlights:
- Join a birdwatching day trip: Spot unique birds around Phnom Penh, from the vibrant Cambodian tailorbird to the striking, Black-crowned Night-heron.
- Cycle around nearby Mekong’s Silk Island: Explore this island’s riverside farms and peaceful paths lined with banana groves and lemongrass fields, stopping at craft houses and Buddhist temples along your route.
- Hike Kirirom National Park: Discover pine forests, lakes, and waterfalls just outside Phnom Penh, with scenic trails that offer a refreshing escape for nature lovers.
- Cruise to Oudong and Koh Chen Island: Explore floating villages, admire riverbank greenery, and discover forested hills dotted with centuries-old Buddha statues just outside Phnom Penh.
Smart tips when booking London to Phnom Penh flights
Planning to book flights to Phnom Penh from London? Make sure you maximise your budget to make your trip more rewarding. These simple tips will help you get the best value for your journey:
- Use your miles wisely: Redeem Etihad Guest Miles to upgrade seats, book future flights, or access exclusive rewards – all without paying cash.
- Set fare alerts: Subscribe to etihad.com to receive the latest flight deals directly to your inbox.
- Book return flights: Save money by booking return flights. It’s usually cheaper than two one-way tickets and also helps keep your travel plans organised.
Airport information
Travelling from London to Phnom Penh is easier when you know what to expect at the airports along the way. Here’s a quick look at London Heathrow Airport and Phnom Penh International Airport:
Origin airport: London Heathrow Airport
Heathrow Airport, located in Hounslow, London, is the largest and busiest airport in the United Kingdom and one of the world’s most connected travel hubs. Since opening in 1946, it has grown to serve over 200 destinations across more than 80 countries. Originally a private airfield established in 1930, Heathrow has expanded with modern terminals, including Terminal 5. Easily accessible by train, underground, and road, the airport employs around 75,000 people. The IATA airport code for London Heathrow Airport is LHR.
Destination airport: Phnom Penh International Airport
Phnom Penh International Airport – located at 12000 Russian Federation Blvd Phnom Penh, Cambodia – serves as Cambodia’s main hub for international travel. Just 10 kilometres from the heart of the capital, it connects the city to more than 30 destinations daily. The airport features upgraded terminals, a busy cargo area, and a growing list of global connections, positioning it as a key gateway in Cambodia’s air travel and logistics network. The IATA code for Phnom Penh International Airport is PNH.
Frequently asked questions
What is the flight distance between London and Phnom Penh?
The distance between London and Phnom Penh is 6,242 miles (or 10,046km).
How long does it take to fly from London to Phnom Penh?
Our fastest flight from London to Phnom Penh takes around 14 hours and 30 minutes.
What is the time difference between London and Phnom Penh?
Phnom Penh is six hours ahead of London.
Does Etihad offer a stopover in Abu Dhabi?
Yes. We provide up to two free hotel nights in Abu Dhabi, letting you explore the city at no extra accommodation cost.
Are meals included on Etihad flights from London to Phnom Penh?
Yes. All flights include complimentary meals made from fresh, local ingredients, with special dietary options available on request.
What’s included in Etihad’s amenity kits on London to Phnom Penh flights?
Amenity kits vary depending on the cabin. Economy guests get eco-friendly tote bags, while Business and First guests receive luxury ESPA products.
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