$820 Cheap Flights from Sofia (SOF) to Greensboro (GSO)

View $820 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)

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Cheap Flights from Sofia to Greensboro (SOF-GSO)

Prices were available within the past 7 days and start at $820 for one-way flights and $1,355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,355 Roundtrip, found 6 days ago
$1,355
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,355 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,363 Roundtrip, found 6 days ago
$1,363
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,363 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,364 Roundtrip, found 6 days ago
$1,364
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,364 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,365 Roundtrip, found 6 days ago
$1,365
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,365 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,370 Roundtrip, found 6 days ago
$1,370
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,370 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,384 Roundtrip, found 6 days ago
$1,384
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,384 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,466 Roundtrip, found 6 days ago
$1,466
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,466 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,474 Roundtrip, found 6 days ago
$1,474
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,474 found 6 days ago
Lufthansa
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,475 Roundtrip, found 6 days ago
$1,475
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,475 found 6 days ago
Bulgaria Air
Fri, Apr 24 - Tue, Apr 28
SOF
Sofia
GSO
Greensboro
$1,853 Roundtrip, found 6 days ago
$1,853
Roundtrip
found 6 days ago
Select Bulgaria Air flight, departing Fri, Apr 24 from Sofia to Greensboro, returning Tue, Apr 28, priced at $1,853 found 6 days ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO) cost?
Lock in a cheap one-way flight from $820 or cheap return flight from $1,355 from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)?
The cheapest month to fly from SOF to GSO is April, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)?
To find the cheapest airline flying from SOF to GSO, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)?
There aren't any daily nonstop flights available from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from SOF to GSO?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)?
To avoid potential delays on the Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO) route, aim to travel before 3 PM. Departures after this time are 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.
Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO) last-minute?
Booking your flight from SOF to GSO right before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a SOF to GSO flight and hotel package?
You can save money by securing a SOF to GSO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Piedmont Triad Intl. Airport (GSO)?
Generally, it's possible to reschedule or cancel your SOF to GSO flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Sofia
Destination airport
Piedmont Triad Intl.
Roundtrip price
$1,354
Distance
5166 mi

Book with confidence

Sofia to Greensboro Flights

The cheapest times to fly from Sofia to Greensboro

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sofia to Greensboro are during the month of April. You can find some of the cheapest flights from Sofia to Greensboro with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Greensboro

Sunday is one of the best days to book for cheap flights from Sofia to Greensboro: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sofia to Greensboro

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sofia to Greensboro in 2026. You can also book with separate airlines for your outbound and return journeys, from $820 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sofia to Greensboro flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sofia to Greensboro airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sofia to Greensboro Flights

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*Available to One Key members.