London to Phnom Penh flights

Routavio compares airline fares from several flight booking sites. Search London to Phnom Penh to see the lowest price before you book.

Lowest fare seen
€435Seen on 12 Oct 2026
Last checked
6 Nov 2026
Observed fares. Prices may change.

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search
Airlines seen
Cathay Pacific, China Southern, Etihad Airways, Malaysia Airlines, Qatar Airways, Shenzhen Airlines, Thai Airways, Xiamen Air (8)
Typical journey time
18h 30m

London → Phnom PenhThu 31 Dec 2026 · €435Last checked: 12 Oct 2026

About this route

Explore the fares we observed from London to Phnom Penh. Prices move often, so pick your dates to see the latest options.

Route distance
10,018 km
Typical journey time
18h 30m
Airlines seen
Cathay Pacific, China Southern, Etihad Airways, Malaysia Airlines, Qatar Airways, Shenzhen Airlines, Thai Airways, Xiamen Air (8)
Seen on fares with a connection
Shenzhen Airlines, China Southern, Thai Airways, Cathay Pacific
Alternative airports
LCY, LGW, LTN, SEN, STN

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
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The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for London → Phnom Penh

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

  • London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
  • London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
  • London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
  • London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
  • London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
  • London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.
  • Techo International Airport (KTI) → Phnom Penh, city gazetteer reference point (11.5564, 104.9282): ≈ 22 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from London to Phnom Penh?

A fare of €435 was seen on 12 Oct 2026. Fares change, so search your dates for the current price.

Are there direct flights from London to Phnom Penh?

Our data holds no non-stop flight from London to Phnom Penh. The fares on this page include at least one stop.

Which airlines fly from London to Phnom Penh?

Routavio has seen these carriers on the route: Cathay Pacific, China Southern, Etihad Airways, Malaysia Airlines, Qatar Airways, Shenzhen Airlines, Thai Airways, Xiamen Air (8).

How long does the flight from London to Phnom Penh take?

Across the 19 fares Routavio observed, the average journey time is 27h 01m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed London to Phnom Penh fares were non-stop?

None of the 20 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 6 Nov 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.