A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Vientiane in the afternoon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.
Users have found that flying from Washington, D.C. to Vientiane on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.