Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 194% when planning your travel around this day of the week.
Travelers have found it’s best to book a flight 35 days in advance to save up to 7% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip to San Francisco 1-2 weeks in advance for as low as $99, or $105 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to San Francisco. Flights to San Francisco from Islip in August are about $108 on average during August, but can be found for as low as $48.
Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from Islip to San Francisco by exploring options for tickets in the afternoon.