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Phnom Penh to London - Flights Starting at US$359

Book one-way or return flights from Phnom Penh to London from as little as US$359. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • PNH15:35
        33h 30m
        1 stop
        LHR19:05
        Sun, May 12|Phnom Penh - London|China Southern Airlines
        US$359US$502
        28% OFF
        28% OFF
        US$502US$359
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Fri, May 10|Phnom Penh - London|China Southern Airlines
        US$376US$502
        25% OFF
        25% OFF
        US$502US$376
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Thu, May 9|Phnom Penh - London|China Southern Airlines
        US$378US$502
        25% OFF
        25% OFF
        US$502US$378
      • PNH15:35
        33h 30m
        1 stop
        LHR19:05
        Wed, May 8|Phnom Penh - London|China Southern Airlines
        US$381
        US$381
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Tue, May 7|Phnom Penh - London|China Southern Airlines
        US$381
        US$381
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Mon, May 13|Phnom Penh - London|China Southern Airlines
        US$382
        US$382
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Mon, May 20|Phnom Penh - London|China Southern Airlines
        US$383
        US$383
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Thu, May 16|Phnom Penh - London|China Southern Airlines
        US$383
        US$383
      • PNH08:00
        17h 5m
        1 stop
        LHR19:05
        Thu, Jun 6|Phnom Penh - London|China Southern Airlines
        US$383
        US$383
      • PNH08:00
        17h 10m
        1 stop
        LHR19:10
        Tue, May 14|Phnom Penh - London|China Southern Airlines
        US$385
        US$385
      • PNH13:00
        3h 5m
        Direct
        LON14:00
        Fri, May 3|Phnom Penh - London|China Southern Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Phnom Penh to London

View airlines operating flights from Phnom Penh to London. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

AirAsia
From US$309
China Eastern Airlines
From US$318
Thai Vietjet Air
From US$323
Thai AirAsia
From US$328
China Southern Airlines
From US$330
Sky Angkor Airlines
From US$342
Spring Airlines
From US$357
Cambodia Angkor Air
From US$360
Bangkok Airways
From US$382
Malaysia Airlines
From US$388
ANA airlines

Find more flights and airlines

Alternative Routes from Phnom Penh to London

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Phnom Penh to London.

  • Cheapest
    China Eastern Airlines
    PNH
    00:10
    36h 30m
    1 transfer
    LGW
    06:40
    Phnom Penh International Airport - London Gatwick Airport
    Wed, Jun 12China Eastern Airlines
    US$318
  • China Eastern Airlines
    PNH
    00:10
    47h 30m
    2 transfer
    LTN
    17:40
    Phnom Penh International Airport - London Luton Airport
    Thu, May 2China Eastern Airlines
    US$349
  • China Southern Airlines
    PNH
    15:35
    25h 40m
    2 transfer
    STN
    11:15
    Phnom Penh International Airport - London Stansted Airport
    Sun, Apr 28China Southern Airlines
    US$410
  • China Southern Airlines
    PNH
    15:35
    25h 40m
    2 transfer
    STN
    11:15
    Phnom Penh International Airport - London Stansted Airport
    Sun, Apr 28China Southern Airlines
    US$410
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Phnom Penh (PNH) to London (LON) the cheapest?

    Airlines adjust prices for flights from Phnom Penh to London based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Phnom Penh (PNH) to London (LON) cost?

    According to Trip.com's data, the lowest price is around $831.

  • What is the transportation method from the main airport to downtown in London?

    • The distance from London Gatwick Airport to downtown is about 39km. It takes about 50 minutes by taxi.
    • The distance from London Heathrow Airport to downtown is about 23km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44km. It takes about 1 hour by taxi.

How to find a cheap flight from Phnom Penh to London

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phnom Penh to London. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Phnom Penh to London Flight Information

Cheapest nonstop flight price

$317

Off-season for travel

December

Peak season for travel

October

Flight distance

10,015.94km

Popular airline

Finnair

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