Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Yakima as you normally would.
If you book a flight to Yakima from Washington, D.C. Dulles Intl, you will be flying to Yakima Air Terminal, which is the city’s only airport. Yakima Air Terminal (YKM) is located 2.9 mi from the center of Yakima. There are 0 flights from Washington, D.C. Dulles Intl to Yakima Air Terminal per day from 0 different airlines.
Great question - IAD to YKM just means Washington, D.C. Dulles Intl Airport to Yakima Air Terminal Airport. Now you’ll know what these unique codes when you look for flights!