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Cheap flights from Cambodia to London Heathrow Airport from £174

KTI — LHR
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cambodia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Cambodia to Heathrow

Mon 9/1116:10 -
1 stop33h 25m
Mon 23/1121:10 -
1 stop30h 30m
Deal found 21/9£468
Mon 9/1116:10 -
1 stop33h 25m
Sat 21/1121:10 -
1 stop30h 30m
Deal found 20/9£471
Wed 4/1116:10 -
1 stop33h 25m
Sat 21/1122:00 -
1 stop29h 50m
Deal found 20/9£488
Fri 13/1108:00 -
1 stop17h 35m
Wed 18/1121:10 -
1 stop30h 30m
Deal found 20/9£489
Sat 7/1116:10 -
1 stop33h 25m
Sat 21/1122:00 -
1 stop18h 30m
Deal found 20/9£494
Thu 5/1108:00 -
1 stop17h 35m
Fri 20/1121:10 -
1 stop30h 30m
Deal found 20/9£498
Thu 5/1108:00 -
1 stop17h 35m
Wed 18/1121:10 -
1 stop30h 30m
Deal found 20/9£500
Fri 6/1108:00 -
1 stop17h 35m
Sun 22/1121:10 -
1 stop30h 30m
Deal found 20/9£501
Sun 8/1116:10 -
1 stop33h 25m
Sun 22/1121:10 -
1 stop30h 30m
Deal found 20/9£513
Tue 10/1108:00 -
1 stop17h 35m
Thu 19/1122:30 -
1 stop29h 10m
Deal found 20/9£531
Wed 4/1108:00 -
1 stop17h 35m
Wed 18/1121:10 -
1 stop30h 30m
Deal found 20/9£532

Find flight deals from Cambodia to Heathrow

Round-trip from

£468

One-way from

£174

Popular in

March

Cheapest in

December

Average price

£669
Shenzhen Airlines
  • Shenzhen Airlines
  • 9/11-23/11
  • 2 total stops
  • 63h 55m total
  • Cambodia to London
Search Deals
China Southern
  • China Southern
  • 9/11-31/12
  • 1 total stop
  • 33h 25m total
  • Cambodia to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£243 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£71 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cambodia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Fri 22/1

21:40-11:40

2 stops45h 00m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Wed 11/11

21:40-13:50

2 stops47h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333
Fastest return journey

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Fri 4/12

21:40-13:50

2 stops23h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Tue 3/11

21:40-13:50

2 stops23h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Sat 7/11

21:40-13:50

2 stops47h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Wed 28/10

21:40-20:00

2 stops29h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£371

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Tue 2/2

08:15-14:30

1 stop37h 15m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£384

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Sat 9/1

21:40-16:10

2 stops25h 30m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£411

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Fri 22/1

19:50-14:30

1 stop25h 40m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£413

Phnom PenhLondon

KTI Phnom Penh Techo Intl - LHR London Heathrow

KTILHR

Phnom Penh Techo Intl

Sun 8/11

21:40-11:40

2 stops21h 00m

London Heathrow

Fri 20/11

13:40-16:35

2 stops19h 55m

£720

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Cambodia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cambodia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Cambodia to London Heathrow Airport

What is the cheapest month to book a flight from Cambodia to London Heathrow Airport?

Currently, July is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £584). Flying from Cambodia to London Heathrow Airport in January is currently the most expensive (average of £1,422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Etihad Airways from Cambodia to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.3
Good
1,533 reviews
Check prices

Boarding

7.6

Comfort

7.3

Overall

7.3

Food

7.1

Crew

7.8

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Yaacov,Sept 2026

JFK - AUH

Excellent all around. Most comfortable seats in economy I’ve ever experienced. The staff were all very friendly and accommodating in all respects.
Etihad Airways
7.3
Good
1,533 reviews
Etihad Airways
7.3
Good
1,533 reviews
Check prices

Boarding

7.6

Comfort

7.3

Overall

7.3

Food

7.1

Crew

7.8

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Yaacov,Sept 2026

JFK - AUH

Excellent all around. Most comfortable seats in economy I’ve ever experienced. The staff were all very friendly and accommodating in all respects.

Related info for your journey

  • How long is the flight from Cambodia to London Heathrow Airport?

    There are many flights that can get you from Cambodia to London Heathrow Airport in 20h 15m. Fly via Emirates or Qatar Airways to get the fastest option. There are 6246 mi between Cambodia and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Cambodia to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Cambodia to London Heathrow Airport are China Southern (£205), Etihad Airways (£213), and Malaysia Airlines (£293).

  • Can I find deals for flights from Cambodia to Heathrow that include hotel bookings?

    Yes. In addition to deals on Cambodia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cambodia to Heathrow?

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

  • Can I find deals for business class flights from Cambodia to Heathrow?

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

  • What is the cheapest month to book a flight from Cambodia to London Heathrow Airport?

    Currently, July is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £584). Flying from Cambodia to London Heathrow Airport in January is currently the most expensive (average of £1,422). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cambodia to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£357Average£589FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Cambodia to Heathrow?

Cheapflights makes it easy to find Cambodia to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Cambodia to Heathrow?

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 Heathrow from Cambodia.

Can Cheapflights find flights from Cambodia to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Cambodia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cambodia to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Cambodia today and book when prices fit your budget.

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