Question : What price range should you expect when booking from Davao (DVO) to Seattle (SEA)?
Answer : Ranging from $1,126 to $1,190, prices for DVO to SEA fluctuate a lot less than most routes from the Philippines. However, the sooner you book, the better price you tend to get.
Question : How long do most people stay in Seattle?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : In March, Wednesday is your cheapest day to fly. Flexibility is paramount when booking travel plans in order to keep travel costs down.