$578 Cheap Flights from Sofia (SOF) to Greenville (GSP)

Snag a cheap one-way flight from $578 or cheap return flight $910 from Sofia Airport (SOF) to Greenville-Spartanburg Intl. Airport (GSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.

Planning your trip for November can help you save, as it's the cheapest month for flights between SOF and GSP. You'll usually find the lowest fares during off-peak months.

Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SOF to GSP flight.

There aren't any daily direct flights available from Sofia Airport (SOF) to Greenville-Spartanburg Intl. Airport (GSP). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.

Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the carrier and season.

*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.

Select a flight from Sofia Airport (SOF) to Greenville-Spartanburg Intl. Airport (GSP) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.*

*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Last-minute fares from SOF to GSP are usually more expensive. To lock in the lowest prices, start searching for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap ticket just before your departure.

Securing a SOF to GSP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.

It's generally possible to cancel or reschedule your SOF to GSP flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.