You’ve searched for flights from Southampton to Phnom Penh.
When you fly from Southampton to Phnom Penh, you'll have zero airlines to choose from for your 10123 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.
To sort cheap flights to Phnom Penh, it's best to start searching for flights by month, as this will show you when prices are at their lowest.
Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your accommodation or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.