Flights from Austin to Phnom Penh lean towards being more expensive in August. Prices are generally better when you fly from Austin to Phnom Penh in February, with the cheapest ticket starting at $787.
It’s optimal to fly from Austin to Phnom Penh in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.
Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 29% on the overall cost on flights from Austin to Phnom Penh.