Cheap flights from Nantucket to San Francisco (ACK - SFO)

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Travelers have found it’s best to book a flight 47 days in advance to save up to 37% 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 47 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 Nantucket to San Francisco 1-2 weeks in advance for as low as $489, or $611 for flights within the next 24 hours.

Flights from Nantucket to San Francisco lean towards being more expensive in June. Prices are generally better when you fly from Nantucket to San Francisco in January, with the cheapest ticket starting at $179.

It’s typically best to fly out from Nantucket to San Francisco in the morning. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

ACK and SFO are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ACK to SFO refers to a flight route from Nantucket Memorial Airport to San Francisco Airport.