Phnom Penh: the Royal Palace's golden spires beside the riverside promenade (AI-generated image)

Round-trip fares we found

London to Phnom Penh flights

Return fares from London (LON) to Phnom Penh (KTI) from our own fare checks. Compare the dates, then confirm the final price with our travel partner.

1 stop each way

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1 date option

Prices are in GBP per person, round trip. Pick your dates and go straight to the flight search.

Our fare pick9 nights away

China Southern Airlines

Outbound

5 Feb 2027

LON to KTI

1 stop · 14h 40m

Return

14 Feb 2027

KTI to LON

1 stop · 15h 50m

Airports: LGW to KTI

39h 20m total return journey · provider duration

Why this fare is worth a look

A recently found return fare with usable dates and duration. No special price claim is made.

Not enough FlyMeAsia history yet for a reliable route comparison.

Observed one-stop reference: 14h 40m outbound / 15h 50m return. This fare uses up to 1× the reference journey time.

Connection lengths and transfer arrangements are not provided by this source. Review them before booking.

Travel window: approximately three months ahead.

£562.00per person · round trip

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Cached price checked 9 Nov, 18:51 UTC

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Good to know

London to Phnom Penh fare: questions and answers

What is the cheapest London to Phnom Penh fare on this page?

£562.00 return for one adult in economy, 5 Feb 2027 to 14 Feb 2027 (9 nights, 1 stop each way). It is a cached price last checked 2026-11-09 18:51 UTC; confirm the final price on the booking site.

Are there nonstop London to Phnom Penh dates?

Not among the 1 date options listed here; they have one stop on at least one leg. The flight search can look for nonstop flights on other dates.

How long are the trips on this page?

Between 9 and 9 nights. Use the stay filters above the dates to narrow them down.

How do I book this fare?

Choose a date and press "See Fare". Our travel partner opens with that route and those dates, and you book with the airline or travel agency you choose. FlyMeAsia does not sell tickets; it may earn a commission.

Before you book

Check passport, visa and health entry rules with the IATA Travel Centre and read the UK Foreign Office travel advice for your destination. Rules change, so check close to your travel date.

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