Which airports can I use when flying from London Heathrow Airport to Phnom Penh?

Flights from London Heathrow Airport to Phnom Penh usually depart from London Heathrow (LHR) and arrive at Phnom Penh Techo Intl (KTI).

What cabin classes can I book on flights from London Heathrow Airport to Phnom Penh?

Three cabin classes are available on flights from London Heathrow Airport to Phnom Penh: • Economy Class • Premium Economy Class • Business Class

Which airports do connecting flights from London Heathrow Airport to Phnom Penh pass through?

One-stop flights from London Heathrow Airport to Phnom Penh most commonly connect through: • Abu Dhabi Zayed Intl (AUH) - 30% of one-stop connections • Guangzhou Baiyun (CAN) - 16% of one-stop connections • Bangkok Suvarnabhumi (BKK) - 14% of one-stop connections • Kuala Lumpur Intl (KUL) - 9% of one-stop connections

Can I save money by using flexible dates for flights from London Heathrow Airport to Phnom Penh?

Yes. Flexible dates can save you up to 19% on flights from London Heathrow Airport to Phnom Penh. Saturday is the cheapest departure day at $891 round-trip on average, while Wednesday is the most expensive at $1,097, a difference of $206. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How expensive are last-minute London Heathrow Airport to Phnom Penh flights?

Last-minute fares on this route (booked within two weeks of departure) run 2% above the $989 route average. Book 3 weeks before departure for the lowest fares.

How long is a flight from London Heathrow Airport to Phnom Penh?

A nonstop flight from London Heathrow Airport to Phnom Penh takes 00m, covering 6,246 miles.

Do I need a passport to fly from London Heathrow Airport to Phnom Penh?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from London Heathrow Airport to Phnom Penh looking right now?

One-way fares from London Heathrow Airport to Phnom Penh are currently lower than usual. Average one-way flight prices are about $431, which is 31% below the typical average for this route.

How much time can I save by choosing a different layover airport from London Heathrow Airport to Phnom Penh?

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 15h 50m, compared with 16h 04m via Ho Chi Minh City (SGN) and 17h 40m via Abu Dhabi Zayed Intl (AUH).

What is the time difference between London Heathrow Airport and Phnom Penh?

Phnom Penh is 6 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a London Heathrow Airport to Phnom Penh flight?

Round-trip flights from London Heathrow Airport to Phnom Penh range from $801 to $1,198, with an average of $989 over the past 12 months. Anything below $801 counts as a good deal.

How much is a round-trip flight from London Heathrow Airport to Phnom Penh?

Round-trip flights from London Heathrow Airport to Phnom Penh typically range from $801 to $1,198. The lowest price found in the past 5 days was $559, on XiamenAir.

What's the cheapest day of the week to fly from London Heathrow Airport to Phnom Penh?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from London Heathrow Airport to Phnom Penh. It’s 10% cheaper than the average day, while Wednesday is the most expensive, with prices 10% higher.

What’s the cheapest month to fly from London Heathrow Airport to Phnom Penh?

•June is the cheapest month to fly from London Heathrow Airport to Phnom Penh at $815 round-trip. •July ($1,266) and December ($1,205) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 55% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Heathrow Airport to Phnom Penh the cheapest?

Flights from London Heathrow Airport to Phnom Penh are cheapest 3 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Which airline is the cheapest to fly from London Heathrow Airport to Phnom Penh?

XiamenAir ($559) and Air China ($571) are the cheapest airlines to fly round-trip from London Heathrow Airport to Phnom Penh according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from London Heathrow Airport to Phnom Penh?

Abu Dhabi Zayed Intl (AUH) is the most popular layover for the London Heathrow Airport to Phnom Penh route. 30% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via AUH.

What is the cheapest layover airport when flying from London Heathrow Airport to Phnom Penh?

Flights via Xiamen Gaoqi Intl (XMN) offer the most affordable fares, with an average round-trip price of $566. Based on KAYAK data over the past 3 months.

When flying from London Heathrow Airport to Phnom Penh which airport offers the shortest layover?

Ho Chi Minh City (SGN) had the shortest average connection time for London Heathrow Airport to Phnom Penh layovers at 9h 22m over the past 3 months.

$364 CHEAP FLIGHTS from London to Phnom Penh (LHR - KTI)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$559

Typical prices: $801-$1,198

XiamenAir

Tue 11/13Sat 11/24

LHR - KTI • 1 stop

Cheapest one-way

$364

Typical prices: $504-$794

Shenzhen Airlines

Wed 11/21

LHR - KTI • 1 stop

Nonstop flights

Not available

There are currently no direct flights between London Heathrow Airport and Phnom Penh. You'll need to take a connecting flight to reach the destination.

Insights

When to book

3 weeks

in advance

Our data shows that travelers who book at least 3 weeks in advance save around 15% compared to booking last minute.

Insights

When to travel

June

Cheapest • 18% price drop

December

Most popular

Good to know

Top layover airports

Xiamen Gaoqi Intl (XMN)

Cheapest • Avg $566 (round-trip)

Bangkok Suvarnabhumi (BKK)

Shortest trip • 15h 50m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Phnom Penh!

Flight Deals

Cheap Flights from London to Phnom Penh (LHR-KTI)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from London to Phnom Penh

Fri, Nov 13 - Tue, Nov 24

12:30 pm - 11:45 amLHR London Heathrow-KTI Phnom Penh Techo Intl

16h 15m1 stop Xiamen Gaoqi Intl

6:10 pm - 6:25 amKTI Phnom Penh Techo Intl-LHR London Heathrow

19h 15m1 stop Xiamen Gaoqi Intl

$559XiamenAir

Wed, Nov 4 - Tue, Nov 10

12:30 pm - 5:05 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

21h 35m1 stop Xiamen Gaoqi Intl

12:50 pm - 6:25 amKTI Phnom Penh Techo Intl-LHR London Heathrow

24h 35m1 stop Xiamen Gaoqi Intl

$560XiamenAir

Sun, Feb 28 - Sun, Mar 7

5:45 pm - 11:10 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

22h 25m1 stop Beijing Capital

12:25 am - 3:55 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

22h 30m1 stop Beijing Capital

$571Air China

Sun, Feb 28 - Sun, Mar 14

5:45 pm - 11:10 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

22h 25m1 stop Beijing Capital

12:25 am - 5:50 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

24h 25m1 stop Beijing Capital

$571Air China

Sat, Nov 21 - Sat, Dec 26

8:25 pm - 11:10 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

19h 45m1 stop Beijing Capital

12:25 am - 3:55 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

22h 30m1 stop Beijing Capital

$577Air China

Fri, Oct 30 - Fri, Nov 6

9:10 pm - 10:40 amLHR London Heathrow-KTI Phnom Penh Techo Intl

30h 30m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$589Shenzhen Airlines

Sat, Nov 21 - Sun, Dec 27

9:10 pm - 10:40 amLHR London Heathrow-KTI Phnom Penh Techo Intl

30h 30m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$589Shenzhen Airlines

Tue, Nov 17 - Mon, Nov 30

10:00 pm - 3:05 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

34h 05m1 stop Guangzhou Baiyun

11:55 am - 6:35 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

37h 40m1 stop Guangzhou Baiyun

$589China Southern

Fri, Oct 30 - Mon, Nov 9

1:55 pm - 6:20 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

21h 25m1 stop Abu Dhabi Zayed Intl

7:55 am - 6:40 amKTI Phnom Penh Techo Intl-LHR London Heathrow

29h 45m1 stop Abu Dhabi Zayed Intl

$1,010Etihad Airways

Wed, Oct 28 - Mon, Nov 9

1:55 pm - 6:20 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

21h 25m1 stop Abu Dhabi Zayed Intl

7:55 am - 6:40 amKTI Phnom Penh Techo Intl-LHR London Heathrow

29h 45m1 stop Abu Dhabi Zayed Intl

$1,010Etihad Airways

Recent last minute flight deals from London to Phnom Penh

Tue, Oct 20 - Thu, Jan 21

10:00 pm - 11:10 amLHR London Heathrow-KTI Phnom Penh Techo Intl

31h 10m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$1,074Shenzhen Airlines

Tue, Oct 20 - Tue, Jan 19

10:00 pm - 11:10 amLHR London Heathrow-KTI Phnom Penh Techo Intl

31h 10m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$1,074Shenzhen Airlines

Tue, Oct 20 - Sun, Jan 17

10:00 pm - 11:10 amLHR London Heathrow-KTI Phnom Penh Techo Intl

31h 10m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$1,076Shenzhen Airlines

Tue, Oct 20 - Tue, Oct 27

10:00 pm - 11:10 amLHR London Heathrow-KTI Phnom Penh Techo Intl

31h 10m1 stop Shenzhen

11:40 am - 7:10 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

$1,076Shenzhen Airlines

Tue, Oct 20 - Wed, Oct 28

10:00 pm - 11:10 amLHR London Heathrow-KTI Phnom Penh Techo Intl

31h 10m1 stop Shenzhen

11:40 am - 8:30 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

39h 50m1 stop Shenzhen

$1,076Shenzhen Airlines

Tue, Oct 20 - Wed, Jan 20

7:50 pm - 4:55 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

15h 05m1 stop Ho Chi Minh City

1:50 pm - 7:15 amKTI Phnom Penh Techo Intl-LHR London Heathrow

24h 25m1 stop Ho Chi Minh City

$1,143Vietnam Airlines

Tue, Oct 20 - Sun, Jan 24

7:50 pm - 4:55 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

15h 05m1 stop Ho Chi Minh City

8:00 pm - 7:15 amKTI Phnom Penh Techo Intl-LHR London Heathrow

18h 15m1 stop Hanoi Noibai

$1,143Vietnam Airlines

Tue, Oct 20 - Mon, Jan 25

7:50 pm - 4:55 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

15h 05m1 stop Ho Chi Minh City

1:50 pm - 7:15 amKTI Phnom Penh Techo Intl-LHR London Heathrow

24h 25m1 stop Ho Chi Minh City

$1,143Vietnam Airlines

Tue, Oct 20 - Thu, Jan 21

7:50 pm - 4:55 pmLHR London Heathrow-KTI Phnom Penh Techo Intl

15h 05m1 stop Ho Chi Minh City

5:30 pm - 7:15 amKTI Phnom Penh Techo Intl-LHR London Heathrow

20h 45m2 stops Vientiane Wattay Hanoi Noibai

$1,152Vietnam Airlines

Tue, Oct 20 - Mon, Jan 18

9:30 am - 6:45 amLHR London Heathrow-KTI Phnom Penh Techo Intl

15h 15m1 stop Abu Dhabi Zayed Intl

8:15 am - 12:05 pmKTI Phnom Penh Techo Intl-LHR London Heathrow

34h 50m1 stop Abu Dhabi Zayed Intl

$2,029Etihad Airways

Booking Insights

Price, demand and travel trends for London Heathrow Airport to Phnom Penh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from London Heathrow Airport to Phnom Penh? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Phnom Penh departing in november.
What's the cheapest day of the week to fly from London Heathrow Airport to Phnom Penh?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from London Heathrow Airport to Phnom Penh. It’s 10% cheaper than the average day, while Wednesday is the most expensive, with prices 10% higher.
What’s the cheapest month to fly from London Heathrow Airport to Phnom Penh? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from London Heathrow Airport to Phnom Penh, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •June is the cheapest month to fly from London Heathrow Airport to Phnom Penh at $815 round-trip.
•July ($1,266) and December ($1,205) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 55% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are flights from London Heathrow Airport to Phnom Penh the cheapest?: Flights from London Heathrow Airport to Phnom Penh are cheapest 3 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	August
High season	December
Cheapest flight	$364

Beat the crowds with an average 54% drop in travelers.

The most popular month to fly with an average 83% increase in travelers.

One-way flight from London Heathrow Airport to Phnom Penh

When to book flights from London to Phnom Penh

Are your dates flexible? Find out the best times to travel from London to Phnom Penh based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from London Heathrow Airport to Phnom Penh?
Three cabin classes are available on flights from London Heathrow Airport to Phnom Penh:

• Economy Class
• Premium Economy Class
• Business Class
How long is a flight from London Heathrow Airport to Phnom Penh?
A nonstop flight from London Heathrow Airport to Phnom Penh takes 00m, covering 6,246 miles.
Do I need a passport to fly from London Heathrow Airport to Phnom Penh?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a London Heathrow Airport to Phnom Penh flight?
Round-trip flights from London Heathrow Airport to Phnom Penh range from $801 to $1,198, with an average of $989 over the past 12 months. Anything below $801 counts as a good deal.
How expensive are last-minute London Heathrow Airport to Phnom Penh flights?
Last-minute fares on this route (booked within two weeks of departure) run 2% above the $989 route average. Book 3 weeks before departure for the lowest fares.
How are flight prices from London Heathrow Airport to Phnom Penh looking right now?
One-way fares from London Heathrow Airport to Phnom Penh are currently lower than usual. Average one-way flight prices are about $431, which is 31% below the typical average for this route.
Which airports can I use when flying from London Heathrow Airport to Phnom Penh?
Flights from London Heathrow Airport to Phnom Penh usually depart from London Heathrow (LHR) and arrive at Phnom Penh Techo Intl (KTI).
Which airports do connecting flights from London Heathrow Airport to Phnom Penh pass through?
One-stop flights from London Heathrow Airport to Phnom Penh most commonly connect through:

• Abu Dhabi Zayed Intl (AUH) - 30% of one-stop connections
• Guangzhou Baiyun (CAN) - 16% of one-stop connections
• Bangkok Suvarnabhumi (BKK) - 14% of one-stop connections
• Kuala Lumpur Intl (KUL) - 9% of one-stop connections
Can I save money by using flexible dates for flights from London Heathrow Airport to Phnom Penh?
Yes. Flexible dates can save you up to 19% on flights from London Heathrow Airport to Phnom Penh. Saturday is the cheapest departure day at $891 round-trip on average, while Wednesday is the most expensive at $1,097, a difference of $206.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from London Heathrow Airport to Phnom Penh?
Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 15h 50m, compared with 16h 04m via Ho Chi Minh City (SGN) and 17h 40m via Abu Dhabi Zayed Intl (AUH).
What is the time difference between London Heathrow Airport and Phnom Penh?
Phnom Penh is 6 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average $891, about $206 less than Wednesday fares (19% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 15% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your London Heathrow Airport to Phnom Penh trip for June. Fares historically average $815 round-trip in that month - typically $451 less than the most expensive month, which is July (based on the last 12 months).

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LHR - KTI

$364 Find Cheap Flights from London to Phnom Penh - Compare and Save

Everything you should know

Cheap Flights from London to Phnom Penh (LHR-KTI)

Recent round-trip flight deals from London to Phnom Penh

Recent one-way flight deals from London to Phnom Penh

Recent last minute flight deals from London to Phnom Penh

Price, demand and travel trends for London Heathrow Airport to Phnom Penh flights

How much is a round-trip flight from London Heathrow Airport to Phnom Penh?

What's the cheapest day of the week to fly from London Heathrow Airport to Phnom Penh?

What’s the cheapest month to fly from London Heathrow Airport to Phnom Penh?

When are flights from London Heathrow Airport to Phnom Penh the cheapest?

Which airline is the cheapest to fly from London Heathrow Airport to Phnom Penh?

What’s the most popular layover airport when flying from London Heathrow Airport to Phnom Penh?

What is the cheapest layover airport when flying from London Heathrow Airport to Phnom Penh?

When flying from London Heathrow Airport to Phnom Penh which airport offers the shortest layover?

Key details for London Heathrow Airport to Phnom Penh flights

Low season

High season

Cheapest flight

When to book flights from London to Phnom Penh

Your London Heathrow Airport to Phnom Penh flight questions, answered

Your guide to booking London Heathrow Airport to Phnom Penh flights

More options for your flight from London to Phnom Penh

Complete your trip to Phnom Penh with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Phnom Penh

Find direct flights to and from London and Phnom Penh

Flights to other popular destinations

Find deals for your return flight