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Cheap flights from Phnom Penh to the United Kingdom

KTI — LHR
22 Sep — 29 Sep1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Phnom Penh to United Kingdom

Popular in

March

Cheapest in

December

Average price

£673
Highest demand for flights based on searches. 27% potential increase in price (£221 potential increase over avg. return price).
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Cheapest flight prices on average. 12% potential price decrease (£67 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to the United Kingdom

What is the cheapest month to book a flight from Phnom Penh to United Kingdom?

Currently, July is the cheapest month in which you can book a flight from Phnom Penh to United Kingdom (average of £574). Flying from Phnom Penh to United Kingdom in January is currently the most expensive (average of £1,100). 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 United Kingdom

Get a feel of what it's like to fly with Etihad Airways and China Eastern from Phnom Penh to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.3
Good
1,509 reviews
Check prices

Entertainment

7.2

Food

7.1

Comfort

7.3

Crew

7.8

Boarding

7.6

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

YYZ - AUH

Excellent customer service! This was my first time flying with Etihad Airways, and I had a wonderful experience. The staff were friendly, professional, and very helpful throughout my journey. If I travel again in the future, I will definitely choose Etihad Airways. Highly recommended
Etihad Airways
7.3
Good
1,509 reviews
Etihad Airways
7.3
Good
1,509 reviews
Check prices

Entertainment

7.2

Food

7.1

Comfort

7.3

Crew

7.8

Boarding

7.6

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

YYZ - AUH

Excellent customer service! This was my first time flying with Etihad Airways, and I had a wonderful experience. The staff were friendly, professional, and very helpful throughout my journey. If I travel again in the future, I will definitely choose Etihad Airways. Highly recommended
China Eastern
7.3
Good
232 reviews
Etihad Airways
7.3
Good
1,509 reviews
Check prices

Entertainment

7.2

Food

7.1

Comfort

7.3

Crew

7.8

Boarding

7.6

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

YYZ - AUH

Excellent customer service! This was my first time flying with Etihad Airways, and I had a wonderful experience. The staff were friendly, professional, and very helpful throughout my journey. If I travel again in the future, I will definitely choose Etihad Airways. Highly recommended

Related info for your journey

  • What airport do you fly from for flights from Phnom Penh to United Kingdom?

    Most people fly from Phnom Penh Techo Intl (KTI) if they book a flight from Phnom Penh to United Kingdom. Phnom Penh Techo Intl is conveniently located just 14.1 mi from Phnom Penh’s city center.

  • What are the cheapest airlines to fly from Phnom Penh to United Kingdom one-way?

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £196. China Southern flights start at £199 while deals on Etihad Airways start at £207 one-way.

  • Can I find deals for flights from Phnom Penh to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to United Kingdom.

  • Can I find deals for business class flights from Phnom Penh to United Kingdom?

    Yes. Cheapflights offers flight deals from Phnom Penh to United Kingdom 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 Phnom Penh to United Kingdom?

    Currently, July is the cheapest month in which you can book a flight from Phnom Penh to United Kingdom (average of £574). Flying from Phnom Penh to United Kingdom in January is currently the most expensive (average of £1,100). 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

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Alternative routes for Phnom Penh to United Kingdom

Siem Reap to Gatwick flights
Siem Reap to Heathrow flights

Top airline flying from Phnom Penh to United Kingdom

AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£348Average£645FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

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Can Cheapflights find flights from Phnom Penh to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Phnom Penh to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Phnom Penh to United Kingdom become cheaper?

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

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