November is one of the best times of the year to fly to Siem Reap from Washington Dulles Intl Airport. Prices for November average $1,210 per person but you can even find prices for as low as $959. The most expensive prices can be found in the month of July. Opting for a November flight can save you 37% on your journey compared to booking in November
When flying from Washington Dulles Intl Airport to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.