Cheap flights from London to Phnom Penh from £749

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Cheap London - Phnom Penh flight offers

Find cheap flight tickets and last-minute flight deals from London to Phnom Penh

Lufthansa
Sat, 10/10 (LON) London -> (KTI) Phnom Penh
Lufthansa
Sat, 24/10 (KTI) Phnom Penh -> (LON) London

Price found 9 days ago
from £471
Shenzhen Airlines
Sat, 26/09 (LON) London -> (KTI) Phnom Penh
Shenzhen Airlines
Sat, 10/10 (KTI) Phnom Penh -> (LON) London

Price found 5 days ago
from £494
Shenzhen Airlines
Sat, 14/11 (LON) London -> (KTI) Phnom Penh
Shenzhen Airlines
Thu, 03/12 (KTI) Phnom Penh -> (LON) London

Price found 2 days ago
from £496
China Eastern
Wed, 14/10 (LON) London -> (KTI) Phnom Penh
China Eastern
Wed, 27/01 (KTI) Phnom Penh -> (LON) London

Price found 2 days ago
from £526
Shenzhen Airlines
Mon, 29/03 (LON) London -> (KTI) Phnom Penh
Shenzhen Airlines
Sun, 11/04 (KTI) Phnom Penh -> (LON) London

Price found 12 days ago
from £551
Etihad
Mon, 19/10 (LON) London -> (KTI) Phnom Penh
Etihad
Mon, 22/02 (KTI) Phnom Penh -> (LON) London

Price found 6 days ago
from £579
Etihad
Wed, 21/10 (LON) London -> (KTI) Phnom Penh
Etihad
Tue, 19/01 (KTI) Phnom Penh -> (LON) London

Price found Yesterday
from £586
Lufthansa
Wed, 21/10 (LON) London -> (KTI) Phnom Penh
Lufthansa
Thu, 28/01 (KTI) Phnom Penh -> (LON) London

Price found 9 days ago
from £597
Shenzhen Airlines
Wed, 04/11 (LON) London -> (KTI) Phnom Penh

Price found 3 days ago
from £350
Thai
Mon, 14/12 (LON) London -> (KTI) Phnom Penh

Price found 5 days ago
from £607

Info about flights from London to Phnom Penh

Some useful info about flights from London to Phnom Penh to help you plan your next trip

Best price last 15 days £749
Average flight duration 12h 44m
Cheapest month November
Average number of flights per week 1
First flight time 00:20
Last flight time 23:55

When is it best to fly from London to Phnom Penh

Find out what is the best time of year to fly from London to Phnom Penh

Jul £785
Aug £724
Sep £494
Oct £471
Nov £428
Dec £763
Jan £717
Feb £491
Mar £461
Apr £522
May £830
Jun £593
Most expensive month May
Average price £830
Cheapest month November
Average price £428
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a flight from London to Phnom Penh?

Depending on when you travel and how far in advance you book, fares between London and Phnom Penh can differ a lot.

£749 is the best price recorded in the last 15 days.

Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.

Which departure and arrival airports are available?

Between London and Phnom Penh, flight options may depend on the combination of airports available.

  • Airports in London: London is connected by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in Phnom Penh: Phnom Penh - Techo International is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Smart ways to search flights from London to Phnom Penh

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like Easyjet, Ryanair, British Airways, and more.

Other popular destinations

Flying to Cambodia? Other travelers also searched: Phnom Penh, Siem Reap, Sihanoukville.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.

Frequently Asked Questions

Frequently asked questions about flights from London to Phnom Penh.

How much does an airline ticket from London to Phnom Penh cost?

The lowest price recorded in the last 15 days for a flight from London to Phnom Penh is £749.

How far is London from Phnom Penh?

London is about 6235 mi from Phnom Penh.

What are the airports in Phnom Penh?

Phnom Penh has one airport: Phnom Penh - Techo International.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in Cambodia?

The most popular cities in Cambodia according to our users' searches are: Phnom Penh, Siem Reap, Sihanoukville.

When should I book a flight from London to Phnom Penh?

The best time to book a flight from London to Phnom Penh is 1 month in advance, while the worst time is 3 weeks in advance.

What is the cheapest month to fly from London to Phnom Penh?

The cheapest month to fly from London to Phnom Penh is November.

What is the most expensive month to fly from London to Phnom Penh?

The most expensive month to fly from London to Phnom Penh is May.

What is the best day of the week to fly from London to Phnom Penh?

For flights from London to Phnom Penh Monday is on average the cheapest day to fly, while Friday is the most expensive day to fly.