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Cheap Flights from London to Siem Reap

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

London to Siem Reap route information

Origin Airport Heathrow
Destination Airport Siem Reap Intl.
Airlines Serving Aeroflot-Russian Airlines, Air France, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, Finnair, Qatar Airways, Singapore Airlines, Thai Airways International, Vietnam Airlines
Flight Price £532
Distance 9,745 km

London

£554.72

£762.55

£882.91

Cheap LHR to REP Flights

  • What is the cheapest day to fly from London to Siem Reap?

    The cheapest day to fly to Siem Reap from London is on Tuesday. If you would like to save some money on your next holiday look for flights on that day.
  • How long do most people stay on their visit to Siem Reap on average?

    Of course, you are not most people, but if you were, you'd stay roughly 11 days.
  • Can I change the date of my flight?

    You sure can and you may save yourself some money by doing it. The cheapest day to fly in December is Tuesday. Flexibility is key when booking travel plans in order to keep costs down.
  • How much is a plane ticket to Siem Reap (REP) from London (LHR)?

    Prices can range anywhere from £624 to £4,210. Prices are usually lower the further out you book.
  • What is the cheapest date to fly to Siem Reap?

    Nov 29th has bookings (as of Nov 18th) as cheap as £624. That comes in 63% below the average price. Saving now gives you more money to spend on your trip.
  • What is the cheapest airline flying from London to Siem Reap?

    Cathay Pacific is your best flying friend for finding that in demand low fare. They're offering fares as low as £624, while rates for other flights are as high as £4,210.

Siem Reap Flights

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Expedia lets you search across the largest number of airlines and Siem Reap flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Siem Reap flight!

Browse through dozens of options at great prices! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Siem Reap trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Siem Reap flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights to Siem Reap from London. Use us as your stop travel destination and have the confidence that you’re getting a bargain!