Flights from Santa Ana to Yakima lean towards being more expensive in September. Prices are generally better when you fly from Santa Ana to Yakima in May, with the cheapest ticket starting at $232.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Ana to Yakima as you normally would.
SNA and YKM are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SNA to YKM refers to a flight route from Santa Ana J. Wayne/Orange Cnty Airport to Yakima Air Terminal Airport.