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Cheap flights from London Luton Airport to Siem Reap, Cambodia from £286

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SAI
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Siem Reap
Explore the most affordable flight options available from Luton to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 February 2026.

Mon 9/307:50
LTN
-
SAI
3 stops24h 10m
Multiple Airlines
Mon 6/421:10
SAI
-
LTN
3 stops31h 05m
Multiple Airlines
Deal found 4/2£830
Sun 15/208:05
LTN
-
SAI
3 stops25h 00m
Multiple Airlines
Sun 22/218:10
SAI
-
LTN
3 stops36h 05m
Multiple Airlines
Deal found 4/2£1,011

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 7 February 2026.

Round-trip from

£830

One-way from

£286

Popular in

December

Cheapest in

September

Average price

£809
9/3-6/4
  • 9/3-6/4
  • 6 total stops
  • 55h 15m total
  • London to Siem Reap
Search Deals
4/3
  • 4/3
  • 2 total stops
  • 35h 20m total
  • London to Siem Reap
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 7 February 2026.
Use the filters below to find and compare flights from London Luton Airport to Siem Reap that are best for you.

Fly from

Luton

Fly to

Siem Reap

Route

Depart

Return

Price

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Mon 9/3

07:50-15:00

3 stops24h 10m

Siem Reap–Angkor Intl

Mon 6/4

21:10-22:15

3 stops31h 05m

£830

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Wed 4/3

14:00-08:20

2 stops35h 20m

£286

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Tue 3/3

14:00-16:05

3 stops43h 05m

£297

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Mon 2/3

14:00-13:55

2 stops40h 55m

£308

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Sun 1/3

14:00-15:00

3 stops42h 00m

£333

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Sat 21/2

14:00-15:00

3 stops42h 00m

£342

LondonSiem Reap

LTN - SAI

LTNSAI

London Luton

Sat 28/2

20:50-09:20

3 stops29h 30m

£370

Flights are sorted by cheapest return flights first.

Deals found on 4/2

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.

See more FAQs

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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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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