- Must visit
Angkor National Museum
Major museum presenting Khmer civilization through sculptures, galleries, and multimedia displays. Ideal before or after visiting Angkor temples.
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The cheapest and fastest flights from London to Siem Reap
Showing times, prices and bookable tickets for Nov 03
- Cheapest price on Nov 03
- $741
- Average ticket price on Nov 03
- $874
- Fastest journey on Nov 03
- 21 h
- Average journey duration on Nov 03
- 22 h 13 m
- Flights on Nov 03
- 2
- Distance
- 9788 km
Cheap tickets
The best way to find a cheap flight ticket from London to Siem Reap is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London to Siem Reap will cost around $874 if you buy it on the day, but the cheapest tickets can be found for only $741.
Fast flights
On Tue, Nov 03, we found 2 flights from London to Siem Reap, including 2 direct services.
On Tue, Nov 03 the direct flights cover the 9788 km distance in an average of 22 h 13 m but if you time it right, some flights will get you there in just 21 h .
On Tue, Nov 03 the longest flights will take 23 h 25 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
8:40 AM 21h00 London 5:40 AM Siem Reap $741 1 One-way 0 transfers
5:55 AM 23h25 London 5:20 AM Siem Reap $1,007 1 One-way 0 transfers
8:40 AM 21h00 London 5:40 AM Siem Reap $741 1 One-way 0 transfers5:55 AM 23h25 London 5:20 AM Siem Reap $1,007 1 One-way 0 transfers
Journey information
Overview: London to Siem Reap flight
United Kingdom
Cambodia
Take a flight from London to Siem Reap and enjoy the approximately 6081 miles (9788 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
The earliest flight runs at 05:30, the last at 22:40. February is the cheapest month to fly.
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Distance 6081 miles (9788 km) |
First flight 5:30 AM |
Last flight 10:40 PM |
Cheapest Month Feb |
Cheapest Day Sun |
High Season Jan - Mar |
Low Season Jul - Sep |
Fares are the lowest economy prices found on Omio. Early booking often means lower prices. Prices change daily and are subject to availability. Discount cards, coach trips, and booking fees are not included.
Price information
Frequently asked questions about your London to Siem Reap trip
Use these quick route answers to check fares, travel time, departure options, and direct services before booking from London to Siem Reap.
The earliest flight from London to Siem Reap leaves at 5:30 AM. Plan your trip with the Journey Planner from Omio.
The latest flight from London to Siem Reap leaves at 10:40 PM.
Live departures
London to Siem Reap flight times
The table below shows live departures for London to Siem Reap flights for today, Monday, November 2. You can also manually refresh the results below to see updated flight journeys.
Last updated at
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
| 5:05 PM London | 32h40 | 1:45 AM Siem Reap | 0 transfersDirect | |
| Tuesday, November 3 | |||||
| 5:55 AM London | 23h25 | 5:20 AM Siem Reap | 0 transfersDirect | |
| 8:40 AM London | 21h00 | 5:40 AM Siem Reap | 0 transfersDirect | |
This is the last flight of the day. | |||||
Find all the dates and times for this journey
Complete guide to Siem Reap
Things to do in Siem Reap
Discover the best of Siem Reap — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Siem Reap trip today.
- Recommended
Theam's Gallery
Contemporary gallery featuring Cambodian visual art in a polished riverside space. Good for seeing modern creativity beyond temple heritage.
- Recommended
Artisans Angkor
Gallery and workshop where local artists create paintings, sculpture, and crafts. Visitors can see current Khmer art in an accessible space.
- Must visit
Old Market Area
Lively riverside district with markets, shops, and pedestrian lanes. A practical base for walking, people-watching, and evening atmosphere.
- Recommended
Angkor Night Market Area
Night market zone with stalls selling crafts, clothing, and souvenirs. Good for casual evening walks and browsing local handmade goods.
- Recommended
Royal Independence Gardens
Compact green park along the Royal Residence with giant trees and open lawns. Pleasant for a shaded stroll near the city center.
- Gluten-free
Amok Trey
Aromatic fish amok steamed in banana leaf with kroeung curry paste and coconut. It is Cambodia’s signature festive dish and a classic Siem Reap must-try.
Lort Cha
Stir-fried flat rice noodles with beef or pork, Chinese broccoli, and soy-based sauce. A beloved everyday Cambodian street and market meal.
- Gluten-free
Samlor Kari Sach Moan
Khmer red curry with chicken or beef, coconut milk, sweet potato, and local spices. Milder than Thai curry and often served at family gatherings.
Embassy Restaurant
Upscale dining focused on Khmer flavors, cocktails, and beautifully presented dishes in a contemporary setting.
Mahob Khmer Cuisine
Stylish Khmer restaurant known for refined local classics and tasting menus in a calm garden setting near the river.
Chanrey Tree
Popular casual local spot for grilled meats, Khmer staples, and cold beer in a lively open-air setting.
Cambodian riel (៛)
Budget-friendly for tourists: guesthouses, local meals, and tuk-tuks cost less than in many Southeast Asian hubs; luxury hotels and temple-area dining raise costs.
Average meal costs
- Budget
- ៛20,000-៛40,000 for street food or simple local meals.
- Mid-range
- ៛40,000-៛80,000 per person for a restaurant meal.
- Fine dining
- ៛100,000+ per person at upscale restaurants.
- Coffee
- ៛8,000-៛16,000 for a cappuccino.
Tipping culture
Tipping is appreciated but not required. In restaurants, round up or add 5-10%; for tuk-tuks and taxis, round up small fares; in cafes, leave small change if service is good.
City Bus Official App
Get the appOfficial public transport app
Prices
- Single ticket
- /null
- Day pass
- /null
To the city center
Siem Reap Angkor International Airport -> CDF Angkor Duty Free Store, Siem Reap
- Distance
- 8 km
- Travel time
- 45 min
- Siem Reap has limited formal city public transport; the official airport shuttle is the most reliable scheduled service between the airport and town.
- Use the official airport transport desk or official shuttle website for fixed pricing. Card or contactless acceptance is not clearly confirmed on official sources, so carry cash.
Plan your visit to Siem Reap
Get destination-focused answers for the end of your trip, including what to do, when to go, practical entry details, and tips for making the most of your time in Siem Reap.
The official currency in Cambodia is the Cambodian Riel (KHR), but the US dollar is widely accepted and commonly used. Travelers often find it convenient to use cash, especially in markets and smaller establishments, while cards are accepted in larger hotels and some restaurants in urban areas. Carrying both cash and card is recommended for flexibility.
In Siem Reap, travelers should be cautious of tuk-tuk drivers overcharging or taking longer routes, as well as scams involving inflated prices for temple entry tickets or guided tours. Petty theft, such as pickpocketing in crowded areas, can occur. It's advisable to use reputable transportation services and confirm prices upfront to avoid common scams. Additionally, travelers should stay aware of their belongings, especially near popular sites like Angkor Wat.
Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.
FAQs: London to Siem Reap Flight
Find answers to the most common questions about traveling from London to Siem Reap by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Siem Reap, this guide helps you travel smarter and with confidence.
Yes, you can take a between London and Siem Reap.
popular airports
Popular airports from London to Siem Reap
Most London to Siem Reap flights use the London Heathrow Airport to Siem Reap Angkor Airport airport pair. Use this guide to compare London and Siem Reap airports on this route, check city-centre transport, alongside checking practicalities like airport facilities and services.
Departure airports in London
Arrival airports in Siem Reap
Which London airport do flights to Siem Reap leave from?
Flights from London to Siem Reap depart from London Heathrow Airport. The airport is 14 miles (23 km) from London city centre at Longford TW6, United Kingdom.
London Heathrow Airport (LHR)Longford TW6, United Kingdom
City-centre transport
Getting to London Heathrow Airport from London city centre
London Heathrow Airport is 23 km from London city centre. Public transport options include:
TrainElizabeth, London Paddington - Heathrow Terminal 4, London Paddington - Heathrow Terminal 5 · 15m · $42 · every ~3 min
Elizabeth · 35m · $21 · every ~8 min
BusUkn14, Ukn02, Uk043, Uk042, Ukn23, Ukxn10, Ukn49 · 50m · $3 · every ~1 min
Ukxn10 · 50m · $4 · every ~1 min
Ukxn10 · 50m · $4 · every ~1 min
N9 · 1h 11m · $3 · every ~4 min
SubwayPiccadilly · 47m · $26 · every ~27 min
London Heathrow Airport airport facilities and services
London Heathrow Airport has practical services for this route, including Wifi, Shopping, Parking, ATM, Taxis, Accessibility, WC, Shower, Lounge, and Lost and Found Office.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport for up to 4 hours. ATMs are located in all terminals, offering multiple currencies.
Luggage and lost property
Lost and found is available at the station.
Parking, taxis and toilets
Available at London Heathrow Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at London Heathrow Airport: Assistance.
Which Siem Reap airport do flights from London arrive at?
Flights from London to Siem Reap arrive at Siem Reap Angkor Airport. Siem Reap Angkor Airport is 24 miles (39 km) from Siem Reap city centre.
Siem Reap Angkor Airport (SAI)Siem Reap International Airport (REP), NR6, Krong Siem Reap, Cambodia
City-centre transport
Getting to Siem Reap Angkor Airport from Siem Reap city centre
Siem Reap Angkor Airport is 39 km from Siem Reap city centre. Public transport options include:
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Siem Reap Angkor Airport airport facilities and services
Siem Reap Angkor Airport has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Food and drink
Food options include: Several food outlets in both domestic and international terminals.
Wi-Fi and ATMs
Free Wi-Fi available throughout the airport. ATMs are aTMs available in arrival and departure areas.
Tickets and information
Ticket office support is available at Siem Reap Angkor Airport.
Parking, taxis and toilets
Available at Siem Reap Angkor Airport: Parking, Taxis, WC.
Accessibility
Accessibility facilities are available at Siem Reap Angkor Airport: Wheelchair accessible facilities available.
Airports for flights from London to Siem Reap
See which airports are used for flights between London and Siem Reap, including airport details.
Flights from London to Siem Reap generally leave from London Heathrow Airport and arrive in Siem Reap Angkor Airport.London Heathrow Airport is 14 miles (23 km) away from London city centre and Siem Reap Angkor Airport is 24 miles (39 km) from Siem Reap city centre.
More options for your journey from London to Siem Reap
Here are some other resources that might have the information you need
Most popular flights to and from Siem Reap and London
Most popular flights to Siem Reap
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