
Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Popular in | February |
Cheapest in | August |
Average price | $983 |
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Currently, August is the cheapest month in which you can book a flight from Phnom Penh to London Heathrow Airport (average of $660). Flying from Phnom Penh to London Heathrow Airport in April is currently the most expensive (average of $982). 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.
It’s typically best to fly out from Phnom Penh to London Heathrow Airport at noon. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.
Singapore (SIN) – chosen by Cheapflights users on 83% of 1-stop itineraries from Phnom Penh to London Heathrow Airport on Cheapflights.
Bangkok (BKK) is the most affordable 1-stop option, with an average round-trip price of $1,338.
Flights via Bangkok (BKK) have the shortest average one-way travel time for 1-stop routes: 15h 30m.
Flights via Bangkok (BKK) offer the fastest connection on this route, with an average layover time of 1h 43m.
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Juliet,Oct 2025
PUS - SIN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Juliet,Oct 2025
PUS - SIN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Juliet,Oct 2025
PUS - SIN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Juliet,Oct 2025
PUS - SIN
Food
Entertainment
Boarding
Crew
Overall
Comfort
Reviews
Juliet,Oct 2025
PUS - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$564 | Average$888 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$673 | Average$739 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,002 | Average$1,369 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,120 | Average$1,317 | FlexibilityNo cancel fee | On-time77% |