You’ve searched for flights from Southampton to Phnom Penh. We've gone through all 45 flights that go via Phnom Penh every week, to help you find the cheapest flight. Qatar Airways usually has the best-value flights from Southampton, but make sure you compare all your options to get the cheapest flight possible.
When you fly from Southampton to Phnom Penh, you'll have three 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. Keep an eye on Singapore Airlines too, as they're the most popular airline for flying from Southampton to Phnom Penh.
It takes about 20 hrs 50 mins to fly from Southampton to Phnom Penh. 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.