Cheap flights from Phnom Penh to London

Flights overview

Useful information for finding cheap flights from Phnom Penh to London and booking your next trip
Fastest flight 42 hr 40 min The fastest flight with stops from Phnom Penh to London takes 42 hr 40 min
Nonstop flights None There are no direct flights on this route.

Popular airlines from Phnom Penh to London

  • Singapore Airlines
    72 weekly connecting flights
    KTI - LGW, LHR Every day
  • China Southern
    34 weekly connecting flights
    KTI - LGW, LHR Every day
  • THAI
    28 weekly connecting flights
    KTI - LHR Every day
  • Cathay Pacific
    27 weekly connecting flights
    KTI - LHR Every day
  • Malaysia Airlines
    23 weekly connecting flights
    KTI - LHR Every day
  • Qatar Airways
    21 weekly connecting flights
    KTI - LHR Every day

Popular airports near Phnom Penh

  • Techo International Airport (KTI)
    Phnom Penh Cambodia 38 min 13 mi
  • Sihanoukville International Airport (KOS)
    Sihanoukville Cambodia 2 hr 49 min 110 mi
  • Siem Reap International Airport (SAI)
    Krong Siem Reap Cambodia 5 hr 8 min 134 mi

Popular airports near London

  • Heathrow Airport (LHR)
    London United Kingdom 47 min 14 mi
  • London Stansted Airport (STN)
    London United Kingdom 1 hr 5 min 30 mi
  • London Gatwick Airport (LGW)
    London United Kingdom 1 hr 25 min 25 mi
  • London Luton Airport (LTN)
    London United Kingdom 1 hr 8 min 27 mi

Frequently asked questions about flying from Phnom Penh to London

42 hr 40 min is the shortest flight time from Phnom Penh to London.
London is a year-round destination, getting busiest Jun–Sep and in the run-up to Christmas and New Year (Dec). Jul–Aug is when many Europeans take holidays, so visitors may face more crowds and limited availability of hotel rooms. Key events include the London Marathon (Apr), Notting Hill Carnival (Aug) and Frieze London art fair (Oct). Sep–May is the city's primary season for theatre, opera, ballet and classical music. Summer’s warmer weather brings many free outdoor music and theatre festivals.
It's easy to use Google Flights to find the cheapest days to fly from Phnom Penh to London.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Phnom Penh to London really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Phnom Penh to London.

In terms of flights, Singapore Airlines is the most popular. Singapore Airlines offers 72 connecting flights per week. Singapore Airlines flies from Techo International Airport (KTI) to London Gatwick Airport (LGW) , Heathrow Airport (LHR) .

Other popular airlines flying from Phnom Penh to London are:
  • China Southern offers 34 connecting flights per week. China Southern flies from Techo International Airport (KTI) to London Gatwick Airport (LGW) , Heathrow Airport (LHR) .
  • THAI offers 28 connecting flights per week. THAI flies from Techo International Airport (KTI) to Heathrow Airport (LHR) .
  • Cathay Pacific offers 27 connecting flights per week. Cathay Pacific flies from Techo International Airport (KTI) to Heathrow Airport (LHR) .
  • Malaysia Airlines offers 23 connecting flights per week. Malaysia Airlines flies from Techo International Airport (KTI) to Heathrow Airport (LHR) .
  • Qatar Airways offers 21 connecting flights per week. Qatar Airways flies from Techo International Airport (KTI) to Heathrow Airport (LHR) .
The number of connecting flights refers to distinct flights with at least one stop between Phnom Penh and London.
No airline flies direct from Phnom Penh to London.
  • There are 72 Singapore Airlines connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 34 China Southern connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 28 THAI connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 27 Cathay Pacific connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 23 Malaysia Airlines connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 21 Qatar Airways connecting flights from Phnom Penh to London per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
No airline flies direct from Phnom Penh to London.
  • There are 72 Singapore Airlines connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 34 China Southern connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 28 THAI connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 27 Cathay Pacific connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 23 Malaysia Airlines connecting flights from Phnom Penh to London per week. Flights are available every day.
  • There are 21 Qatar Airways connecting flights from Phnom Penh to London per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Phnom Penh to London.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Phnom Penh to London, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
To book business class trips from Phnom Penh to London, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
To find last-minute flight deals from Phnom Penh to London, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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