Title: Cheap Flights from London to Phnom Penh (LON to PNH) - Expedia.co.uk ![Phnom Penh featuring a fountain, a square or plaza and nightlife](https://images.trvl-media.com/place/6191801/63e888a3-0e61-4b1c-848d-e8a87b05a731.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6191801/63e888a3-0e61-4b1c-848d-e8a87b05a731.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from London (LON) to Phnom Penh (PNH) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from London to Phnom Penh (PNH-Phnom Penh Intl.) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:pnh,departure:30/09/2025TANYT&leg2=from:pnh,to:lon,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Travel information | Origin airport | LON-All Airports | | --- | --- | | Destination airport | Phnom Penh Intl. | | Distance | 9943 km | ## Book with confidence ### Compare flights from London to Phnom Penh easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Phnom Penh. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Phnom Penh Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from LON-All Airports to Phnom Penh Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from LON-All Airports (LON) to Phnom Penh Intl. (PNH) The easiest way to view the best deals on flights from London to Phnom Penh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from LON-All Airports to Phnom Penh Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and Phnom Penh - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your London to Phnom Penh flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from LON-All Airports to Phnom Penh Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from London - [London to Paris (LON - PAR)](https://expedia.co.uk/lp/flights/lon/par/london-to-paris) - [London to Milan (LON - MIL)](https://expedia.co.uk/lp/flights/lon/mil/london-to-milan) - [London to Toronto (LON - YTO)](https://expedia.co.uk/lp/flights/lon/yto/london-to-toronto) - [London to New York (LON - NYC)](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [London to Tokyo (LON - TYO)](https://expedia.co.uk/lp/flights/lon/tyo/london-to-tokyo) - [London to Istanbul (LON - IST)](https://expedia.co.uk/lp/flights/lon/ist/london-to-istanbul) - [London to Santa Cruz de Tenerife (LON - TCI)](https://expedia.co.uk/lp/flights/lon/tci/london-to-santa-cruz-de-tenerife) - [London to Edinburgh (LON - EDI)](https://expedia.co.uk/lp/flights/lon/edi/london-to-edinburgh) - [London to Palma de Mallorca (LON - PMI)](https://expedia.co.uk/lp/flights/lon/pmi/london-to-palma-de-mallorca) - [London to Dubai (LON - DXB)](https://expedia.co.uk/lp/flights/lon/dxb/london-to-dubai) ### Top Routes from London - [Iberia London to Santa Cruz de Tenerife](https://expedia.co.uk/lp/flight-routes/iberia-from-lon-all-airports-to-tci-all-airports/ib/lon/tci) - [Emirates London to Dubai](https://expedia.co.uk/lp/flight-routes/emirates-from-lon-all-airports-to-dubai-intl/ek/lon/dxb) ### Top Flight Destinations - [Flights to Siem Reap](https://expedia.co.uk/Cheap-Flights-To-Siem-Reap.d2975.Travel-Guide-Flights) - [Flights to Phnom Penh](https://expedia.co.uk/Cheap-Flights-To-Phnom-Penh.d6191801.Travel-Guide-Flights) - [Flights to Koh Rong](https://expedia.co.uk/Cheap-Flights-To-Koh-Rong.d6191569.Travel-Guide-Flights) - [Flights to Sihanoukville](https://expedia.co.uk/Cheap-Flights-To-Sihanoukville.d6197589.Travel-Guide-Flights) - [Flights to Kampot](https://expedia.co.uk/Cheap-Flights-To-Kampot.d6201373.Travel-Guide-Flights) - [Flights to Koh Rong Sanloem](https://expedia.co.uk/Cheap-Flights-To-Koh-Rong-Sanloem.d6275606.Travel-Guide-Flights) - [Flights to Battambang](https://expedia.co.uk/Cheap-Flights-To-Battambang.d503.Travel-Guide-Flights) - [Flights to Kratie](https://expedia.co.uk/Cheap-Flights-To-Kratie.d8351.Travel-Guide-Flights) - [Flights to Kampong Cham](https://expedia.co.uk/Cheap-Flights-To-Kampong-Cham.d6125124.Travel-Guide-Flights) - [Flights to Ban Lung](https://expedia.co.uk/Cheap-Flights-To-Ban-Lung.d6060745.Travel-Guide-Flights) ### Related Airlines - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Emirates](https://expedia.co.uk/Emirates-Flights.cEK.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Qatar Airways](https://expedia.co.uk/Qatar-Airways-Flights.cQR.Travel-Guide-Airlines) - [easyJet](https://expedia.co.uk/EasyJet-Flights.cU2.Travel-Guide-Airlines) - [TAP Portugal](https://expedia.co.uk/TAP-Portugal-Flights.cTP.Travel-Guide-Airlines) - [Vueling Airlines](https://expedia.co.uk/Vueling-Airlines-Flights.cVY.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [Ryanair](https://expedia.co.uk/Ryanair-Flights.cFR.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) Phnom Penh Airports #### Techo Intl. 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