Siem Reap to London flights from £424

Flights starting at £424. Choose between Cambodia Angkor Air, Thai Airways International, or Bangkok Airways to find the best price.

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Tips to know when travelling to London

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Travelers usually depart from Siem Reap International, Siem Reap - Virak Buntham, or Siem Reap Bus Station when they travel from Siem Reap to London. Book your trip to arrive at Heathrow, Gatwick, London Stansted, Luton, or London City. The most popular airlines for this route are Cambodia Angkor Air, Thai Airways International, Bangkok Airways, AirAsia, and Ryanair. Siem Reap and London have 401 direct flights per week. When you arrive at London, consider visiting Roman Baths, Bath, British Museum, St. David's Cathedral, Cardiff, St. Paul's Cathedral, Natural History Museum, Tate Modern, St Fagans: National History Museum, Canterbury Cathedral, Stonehenge, Avebury, Tintern Abbey, United Kingdom, Portsea Island, Tower of London, and Isle of Wight.

Check-in for a flight from Siem Reap to London

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Cambodia Angkor AirKHVK6YesNo
Thai Airways InternationalTHATGNoNo
Bangkok AirwaysBKPPGNoNo
AirAsiaAXMAKYesOpens 240 days before flight
Closes 1 hours before flight
RyanairRYRFRNoOpens 24 days before flight
Closes 2 hours before flight

United Kingdom COVID-19 travel restrictions

Kiwi.com

Latest COVID-19 restrictions

United Kingdom

Kiwi.com/COVID-19/United Kingdom
  • Travel is allowed
  • No proof of a negative pre-departure COVID-19 test is required
  • No quarantine is required
Latest COVID-19 travel restrictions in United Kingdom – 09/2022
Your trip summary

Most travelers from Cambodia can enter London, LHR, but there are restrictions.

Departure

Travel restrictions
  • Travel is allowed
  • No proof of a negative pre-departure COVID-19 test is required
  • No quarantine is required
Visa requirements
  • Visitor visa
Additional information
  • Masks are recommended in certain settings

Return

Travel restrictions
  • Travel is allowed with restrictions
  • No proof of negative pre-departure COVID-19 test results is required
  • No quarantine is required for vaccinated travelers
Visa requirements
  • Visitor visa
Forms and documents
  • Mandatory proof of COVID-19 vaccination is required for Cambodia
  • Recommended travel insurance
Additional information
  • Masks are mandatory in public

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United Kingdom in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from Siem Reap?
Travelers frequently search for route combinations, such as Siem Reap and Phnom Penh, Bangkok, Sihanoukville Province, Singapore, Taipei, Hanoi, Sydney, Ho Chi Minh City, Melbourne, Perth, Hong Kong, Da Nang, Brisbane, Chiang Mai, New Delhi, Denpasar, Kuala Lumpur, Phuket City, Luang Prabang, Krabi.
What are the most popular routes to and from London?
Travelers frequently search for route combinations, such as London and Reykjavik, Bucharest, Athens, Dublin, Istanbul, Lisbon, Sofia, Tirana, New York, Edinburgh, Belfast, Larnaca, Glasgow, Málaga, Antalya, Faro, Thessaloniki, Budapest, Madrid, Alicante.
What airports are near Siem Reap?
The main airport in Siem Reap is Siem Reap International. It is also served by Phnom Penh International, Siem Reap International.
What airports are near London?
The main airport in London is Heathrow. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Doncaster Sheffield, Bournemouth, Southampton, Exeter, Norwich, Humberside.
What buses and trains depart from Siem Reap?
A number of bus and train companies depart from Siem Reap, including Virak Buntham Express.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Siem Reap and London?
Yes, it's possible to combine different modes of transport between Siem Reap and London thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Siem Reap and London can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Siem Reap and London?
Currently, you can fly between Siem Reap and London with Cambodia Angkor Air, Thai Airways International, Bangkok Airways, AirAsia, Ryanair.
When's the best time to travel between Siem Reap and London?
If you don’t have specific dates for your trip between Siem Reap 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 Siem Reap and London?
How many airports are there near Siem Reap?
How many airports are there near London?
Is it possible to reach Siem Reap by bus or train?
What time do nonstop (direct) flights between Siem Reap and London depart?
What time do nonstop (direct) flights between Siem Reap and London arrive?
What time do flights between Siem Reap and London depart?
What time do flights between Siem Reap and London arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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