Question : What price range should you expect when booking from Louisville (SDF) to Riga (RIX)?
Answer : Flight prices change a lot more than most routes from the United States for SDF to RIX. They range anywhere from $961 to $3,658. Prices tend to be lower the further out you book.
Question : How long do most people visit Riga?
Answer : Of course you're not most people, but if you were, you'd stay roughly 77 days.
Question : Is price more important than specific travel days for you?
Answer : The lowest-cost day to fly in April is Sunday. Being flexible with your travel days garners even more savings during booking.