£294 Cheap flights to Phnom Penh
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Phnom Penh departing on 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Phnom Penh flights insights and trends
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What is the cheapest month to fly to Phnom Penh?
The month of March is another great option to travel to Phnom Penh, with average flight prices from United Kingdom averaging around £562.
What is the cheapest day to depart on your flight to Phnom Penh?
Our data shows that Monday is the least expensive day to fly to Phnom Penh. Tickets to fly out on this day can be as low as £611. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Phnom Penh on Friday is £711.
What is the cheapest time of day to depart on your flight to Phnom Penh?
Our data shows that the cheapest United Kingdom to Phnom Penh flights are usually those with departure times in the evening. Our users have found flights to Phnom Penh in the evening for as low as £521. At midday is when there is more demand to fly to Phnom Penh, so prices are often more expensive at around £802 per ticket.
How far in advance should I book a flight to Phnom Penh?
You are more likely to see cheaper flights to Phnom Penh from United Kingdom when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Phnom Penh for around £702 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phnom Penh from United Kingdom for as low as £604 on momondo.
Cheapest flights to Phnom Penh Pochentong
Find the cheapest flights to Phnom Penh Pochentong from your nearest city or airport
| CHEAPEST MONTH TO FLY TO PHNOM PENH FROM LONDON HEATHROW AIRPORT | November | 20% cheaper | Flying from London Heathrow Airport to Phnom Penh costs on average just £567 in November |
| MOST EXPENSIVE MONTH TO FLY TO PHNOM PENH FROM LONDON HEATHROW AIRPORT | August | 32% more expensive | It costs about £932 for flights to Phnom Penh from London Heathrow Airport in August |
| MOST POPULAR MONTH TO FLY TO PHNOM PENH FROM LONDON HEATHROW AIRPORT | November | 597% more users visited | More momondo users searched in flights to Phnom Penh from London Heathrow Airport in November than any other month |
Cheap Phnom Penh flight deals and tips
Summary info about Phnom Penh flight prices, duration and airlines
Best One-Way Price | £294 |
|---|---|
Best Round-Trip Price | £403 |
Fastest flight time | 19h 35m |
Popular in | December |
Frequently asked questions about flying to Phnom Penh
How far in advance should I book a flight to Phnom Penh?
The best time to book a flight to Phnom Penh from United Kingdom is 62 days out, which is when prices tend to be around £653. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £470.
When did momondo last update prices for flights to Phnom Penh Pochentong Airport?
Prices for flights to Phnom Penh Pochentong Airport are updated daily.
How many operators does momondo search for flights to Phnom Penh Pochentong Airport?
The number of operators available for flights to Phnom Penh Pochentong Airport is 24 as of June 2025.
How old do you have to be to fly to Phnom Penh Pochentong Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Phnom Penh Pochentong Airport.
What documentation or ID do you need to fly to Phnom Penh Pochentong Airport?
The travel and health documents required for your trip to Phnom Penh Pochentong Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phnom Penh Pochentong Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal to Phnom Penh?
Finding the right flight to Phnom Penh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phnom Penh quick and easy, saving you time and money.
Can I find flights to Phnom Penh with flexible booking policies on momondo?
All flight searches to Phnom Penh on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights to Phnom Penh?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Phnom Penh.
I’m not ready to book a flight to Phnom Penh right now. Can momondo alert me if prices change?
Yes. momondo can track flight prices for Phnom Penh and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.