Our data shows that February tends to be the cheapest month to fly to Guam from San Francisco. Users have commonly found prices around $1,865 for the month, but tickets can be as low as $1,669. Due to multiple factors, prepare for potentially higher prices in August.
When flying from San Francisco to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Users have found that booking a flight from San Francisco to Guam at least 61 days early can save you up to 38% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from San Francisco to Guam for as little as $2,058 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,098 for flights departing within the next 3 days.