GLH to SFO, Greenville Airport to San Francisco International Airport Cheap Flights

Based on HopeGoo data, Denver Air Connection offers one-way fares as low as US$376 on Cheapest nonstop routes (e.g. GLH to SFO on Sat, Mar 14), while Denver Air Connection offers Cheapest nonstop round-trips from US$476 departing on Tue, Feb 17 and returning on Sat, Feb 21.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Greenville to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Greenville to San Francisco, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Mar 14, with one-way flights priced at just US$376. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around March. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Greenville to San Francisco is October, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Greenville to San Francisco on February 17, 2026 with Denver Air Connection, with prices starting at US$476.

The time difference between San Francisco and Greenville is 2h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.