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Flights from London to Sihanoukville

What to know about flights from London to Sihanoukville?

The distance between London and Sihanoukville is approximately 10,019.57km. According to Trip.com data, travel demand is highest in July.

Cheapest one-way
£558
Vietnam Airlines Vietnam Airlines LON-KOS 15h 35m · 1 stop Tue, Nov 24
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Cheapest return
£855
Malaysia Airlines Malaysia Airlines LON-KOS 18h 20m · 2 stops Wed, Dec 2 - Mon, Dec 7
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Recommended airlines
Vietnam Airlines Vietnam AirlinesCheapest· From £558 Air Arabia Air ArabiaMost booked
Best time to book
November
Cheapest
July
Peak season for travel
Route details
10,019.57km
Flight distance

Explore the cheapest one-way and round-trip flights from London to Sihanoukville over the next 90 days, with one-way fares from £558 and round-trip from £855. Based on Trip.com's latest 7-day flight data.

    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Wed, Dec 2 | Malaysia Airlines
      KOS 13:30
      23h 5m
      1 stop
      LHR 05:35
      Sihanoukville - London | Mon, Dec 7 | AirAsia
      £855 £1,154
      26% off
      26% off
      £1,154 £855
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Nov 9 | Malaysia Airlines
      KOS 13:30
      23h 5m
      1 stop
      LHR 05:35
      Sihanoukville - London | Mon, Nov 16 | AirAsia
      £869 £1,154
      25% off
      25% off
      £1,154 £869
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Tue, Nov 10 | Malaysia Airlines
      KOS 12:15
      24h 20m
      1 stop
      LHR 05:35
      Sihanoukville - London | Tue, Nov 17 | AirAsia Cambodia
      £870 £1,154
      25% off
      25% off
      £1,154 £870
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Tue, Nov 3 | Malaysia Airlines
      KOS 12:15
      24h 20m
      1 stop
      LHR 05:35
      Sihanoukville - London | Tue, Nov 10 | AirAsia Cambodia
      £901
      22% off
      £1,154 £901
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Wed, Nov 11 | Malaysia Airlines
      KOS 13:30
      32h 55m
      1 stop
      LHR 15:25
      Sihanoukville - London | Wed, Nov 18 | AirAsia
      £902
      22% off
      £1,154 £902
    • LHR 11:00
      15h 35m
      1 stop
      KOS 09:35
      London - Sihanoukville | Tue, Nov 3 | Vietnam Airlines
      KOS 10:45
      27h 30m
      1 stop
      LHR 07:15
      Sihanoukville - London | Wed, Nov 11 | Air Cambodia
      £909
      21% off
      £1,154 £909
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Sun, Nov 1 | Malaysia Airlines
      KOS 13:30
      23h 5m
      1 stop
      LHR 05:35
      Sihanoukville - London | Sun, Nov 8 | AirAsia
      £911
      21% off
      £1,154 £911
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Sun, Nov 22 | Malaysia Airlines
      KOS 13:30
      32h 55m
      1 stop
      LHR 15:25
      Sihanoukville - London | Sun, Nov 29 | AirAsia
      £929
      19% off
      £1,154 £929
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Wed, Nov 4 | Malaysia Airlines
      KOS 13:30
      23h 5m
      1 stop
      LHR 05:35
      Sihanoukville - London | Wed, Nov 11 | AirAsia
      £933
      19% off
      £1,154 £933
    • LON 13:00
      17h 25m
      1 stop
      KOS 14:00
      London - Sihanoukville | Sun, Oct 18 | Normal Airline
      KOS 15:00
      6h
      Direct
      LON 16:00
      Sihanoukville - London | Tue, Oct 20 | Normal Airline
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    • Cheapest
      LHR 11:00
      15h 35m
      1 stop
      KOS 09:35
      London - Sihanoukville | Tue, Nov 24 | Vietnam Airlines
      £558 £839
      33% off
      33% off
      £839 £558
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Nov 16 | Malaysia Airlines
      £651 £1,533
      57% off
      57% off
      £1,533 £651
    • LHR 18:55
      32h 20m
      1 stop
      KOS 09:15
      London - Sihanoukville | Thu, Oct 22 | Vietnam Airlines
      £652 £839
      22% off
      22% off
      £839 £652
    • LHR 21:25
      32h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Mon, Nov 16 | Malaysia Airlines
      £653
      22% off
      £839 £653
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Tue, Nov 10 | Malaysia Airlines
      £663
      21% off
      £839 £663
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Nov 2 | Malaysia Airlines
      £668
      20% off
      £839 £668
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Fri, Nov 20 | Malaysia Airlines
      £673
      56% off
      £1,533 £673
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Sat, Nov 14 | Malaysia Airlines
      £676
      19% off
      £839 £676
    • LHR 10:25
      19h 35m
      1 stop
      KOS 13:00
      London - Sihanoukville | Thu, Oct 29 | Malaysia Airlines
      £679
      19% off
      £839 £679
    • LON 13:00
      17h 25m
      1 stop
      KOS 14:00
      London - Sihanoukville | Sun, Oct 18 | Normal Airline
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    • STN 17:20
      33h 15m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Nov 3 | Turkish Airlines
      £739 £955
      23% off
      23% off
      £955 £739
    • STN 17:20
      33h 15m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Oct 27 | Turkish Airlines
      £739 £955
      23% off
      23% off
      £955 £739
    • STN 17:20
      33h 15m
      2 stops
      KOS 09:35
      London - Sihanoukville | Fri, Nov 20 | Turkish Airlines
      £740 £955
      23% off
      23% off
      £955 £740
    • LGW 17:25
      33h 10m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Oct 27 | Turkish Airlines
      £745
      22% off
      £955 £745
    • LGW 06:30
      20h 5m
      2 stops
      KOS 09:35
      London - Sihanoukville | Wed, Oct 28 | Turkish Airlines
      £745
      22% off
      £955 £745
    • LGW 17:25
      33h 10m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Nov 3 | Turkish Airlines
      £745
      22% off
      £955 £745
    • LGW 17:25
      33h 10m
      2 stops
      KOS 09:35
      London - Sihanoukville | Fri, Nov 20 | Turkish Airlines
      £745
      22% off
      £955 £745
    • LGW 20:25
      30h 10m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Oct 27 | Emirates
      £749
      22% off
      £955 £749
    • LGW 20:25
      30h 10m
      2 stops
      KOS 09:35
      London - Sihanoukville | Tue, Nov 3 | Emirates
      £749
      22% off
      £955 £749
    • LON 13:00
      17h 25m
      1 stop
      KOS 14:00
      London - Sihanoukville | Sun, Oct 18 | Normal Airline
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    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Nov 16 | Malaysia Airlines
      £651 £1,533
      57% off
      57% off
      £1,533 £651
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Wed, Oct 28 | Malaysia Airlines
      £716 £1,533
      53% off
      53% off
      £1,533 £716
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Dec 28 | Malaysia Airlines
      £1,056 £1,533
      31% off
      31% off
      £1,533 £1,056
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Fri, Nov 20 | Malaysia Airlines
      £673
      56% off
      £1,533 £673
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Nov 2 | Malaysia Airlines
      £668
      56% off
      £1,533 £668
    • LHR 10:25
      18h 20m
      1 stop
      KOS 11:45
      London - Sihanoukville | Mon, Oct 26 | Malaysia Airlines
      £681
      56% off
      £1,533 £681
    • LHR 12:30
      18h 45m
      2 stops
      KOS 13:15
      London - Sihanoukville | Sat, Oct 24 | Thai Airways
      £839
      45% off
      £1,533 £839
    • LHR 18:30
      19h 10m
      2 stops
      KOS 19:40
      London - Sihanoukville | Sun, Oct 18 | Turkish Airlines
      £1,241
      19% off
      £1,533 £1,241
    • LHR 11:00
      20h
      1 stop
      KOS 13:00
      London - Sihanoukville | Tue, Oct 20 | Malaysia Airlines
      £957
      38% off
      £1,533 £957
    • LON 13:00
      17h 25m
      1 stop
      KOS 14:00
      London - Sihanoukville | Sun, Oct 18 | Normal Airline
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Displayed flight fares from London to Sihanoukville are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airlines are the most popular for London to Sihanoukville flights?

Choose from 1 airlines flying from London to Sihanoukville, including Air Arabia, and . Vietnam Airlines currently offers the cheapest ticket on this route.
Air Arabia logo Air Arabia
Airlines are determined based on actual purchased flight tickets from London to Sihanoukville according to previous 12 months data from Trip.com.

Flight FAQs

  • Which airlines offer the cheapest flights from London to Sihanoukville?

    Based on Trip.com data, Vietnam Airlines offers Cheapest nonstop one-way flights from £558 (for example, LHR–KOS on Tue, Nov 24). For a Cheapest nonstop return flight, Malaysia Airlines offers fares from £855, departing on Wed, Dec 2 and returning on Mon, Dec 7.
  • At the moment, you can catch a direct flight from London to Sihanoukville with the following airlines, including: Emirates Air Arabia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Sihanoukville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Here are some tips for finding the best flight deals from London to Sihanoukville on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Tue, Nov 24, with one-way fares from just £558.
    · Compare airlines. Vietnam Airlines currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. July is generally the busiest month for travel to Sihanoukville.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from London to Sihanoukville is usually November, when demand is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from London to Sihanoukville on October 27, 2026 with Malaysia Airlines, with prices starting at £934.
  • Flights to Sihanoukville can arrive at: Sihanoukville International Airport (KOS). The most common route connects London Gatwick Airport and Sihanoukville International Airport (LGW–KOS).
  • The time difference between Sihanoukville and London is 7h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from London to Sihanoukville is £851. Fares vary by travel date, airline and availability.
  • Enter London and Sihanoukville, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.
  • Air Arabiaare the most popular budget airlines flying from London to Sihanoukville. Check baggage, seat and payment fees before comparing the final price.

Cheap flights from London to Sihanoukville

If you’re looking to book cheap flights from London to Sihanoukville, Trip.com has you covered. Many people travel from London to Sihanoukville for the city’s world-famous sights, delicious Cambodian cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Sihanoukville in just over 12 hours 30 mins, making it the perfect place for a short city break, or even a gateway to explore the rest of Cambodia. With prices starting from just £518, there’s never been a better time to book tickets from London to Sihanoukville and experience all that this incredible city has to offer.

How to find a cheap flights from London to Sihanoukville

Finding cheap flights from London to Sihanoukville is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Sihanoukville

A few airlines offer direct flights from London to Sihanoukville, including British Airways, Cambodia Angkor Air

Flight time from London to Sihanoukville

Sihanoukville lies a distance of 6230 miles miles from London, with flights taking around 12 hours 30 mins.

Departure from a London Airport to Sihanoukville

Flights from London Heathrow Airprot to Sihanoukville You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Sihanoukville The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Sihanoukville The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Sihanoukville The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.

More Flight Itineraries

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.