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Cheap flights from London Luton Airport to Siem Reap, Cambodia from £447

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SAI
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Siem Reap

Enter your travel dates to find the best prices.

One-way flights from Luton to Siem Reap
Search for one-way flight options from Luton to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 13 May 2026.

Wed 20/515:55
LTN
-
SAI
3 stops35h 10m
Multiple Airlines
Deal found 10/5£447

Find flight deals from Luton to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2026.

Popular in

December

Cheapest in

September

Average price

£743
Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
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Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from London Luton Airport to Siem Reap that are best for you.

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LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Wed 20/5

15:55-09:05

3 stops35h 10m

£447

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Sorted by cheapest first

Best time to book a flight from Luton to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Luton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Luton to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Siem Reap from London Luton?

    If you book a flight to Siem Reap from London Luton, you will be flying to Siem Reap–Angkor Intl, which is the city’s only airport. Siem Reap–Angkor Intl (SAI) is located 24.7 mi from the center of Siem Reap. There are 0 flights from London Luton to Siem Reap–Angkor Intl per day from 0 different airlines.

  • Can I find deals for flights from Luton to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Luton to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Luton to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Siem Reap.

  • Can I find deals for business class flights from Luton to Siem Reap?

    Yes. Cheapflights offers flight deals from Luton to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Luton to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Siem Reap flights
Gatwick to Siem Reap flights
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Fly with Cheapflights

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How does Cheapflights help users find flights from Luton to Siem Reap?

Cheapflights helps you search for flights from Luton to Siem Reap via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Luton to Siem Reap?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from Luton.

Can Cheapflights find flights from Luton to Siem Reap with no change fees?

Certainly. Search results for flights to Siem Reap from Luton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Luton to Siem Reap become cheaper?

Not ready to book yet? You can track prices for flights from Luton to Siem Reap on Cheapflights with our Price Alert feature and get notified when better prices are available.

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