Question : In the next four weeks, what day should you book your trip?
Answer : Mar 24th has seen bookings (as of Mar 20th) as cheap as $547. That comes in 36% below the average price for this route. Saving on booking fees means you'll have more money in your hand for the trip.
Question : How much should a trip from San Francisco (SFO) to Thessaloniki (SKG) cost?
Answer : Flight prices change more than most routes from the United States for SFO to SKG. They range from $547 to $1,680. Remember, you can save by booking further in advance.
Question : How long do most people stay in Thessaloniki?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Is price more important than specific travel days for you?
Answer : Saturday is your cheapest day to fly in April. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.