$109 Cheap Flights from Greenville (GSP) to Buffalo (BUF)

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Buffalo Niagara Intl. Airport (BUF)

Find available prices by choosing your travel dates.

Cheap Flights from Greenville to Buffalo (GSP-BUF)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
United
Delta
American Airlines
United
United
Delta
United
United
Southwest Airlines
Flights from Greenville (GSP) to Buffalo (BUF)
Origin airport
Greenville-Spartanburg Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$216
Distance
586 mi

Greenville to Buffalo Flights

The cheapest times to fly from Greenville to Buffalo

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 Greenville to Buffalo are during the month of May. You can find some of the cheapest flights from Greenville to Buffalo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Greenville to Buffalo

Sunday is one of the best days to book for cheap flights from Greenville to Buffalo: 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 Greenville to Buffalo

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 Greenville to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 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 Greenville to Buffalo 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 Greenville to Buffalo 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from Roger Milliken Field to BUF last minute?
Being the spontaneous type is an awesome way to see the world, but it isn’t necessarily the smartest way to find a bargain plane ticket. Think about booking your GSP to Buffalo Niagara International Airport journey well ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you arrive at your destination!
What airports do you fly into for Buffalo from Greenville?
From Greenville, you can fly into Buffalo via Buffalo Niagara Intl. Airport (BUF), Billy Bishop Toronto City Airport (YTZ) and Chautauqua County Airport (JHW). Determine which terminal is the right option for you before you make a decision. If you choose Buffalo Niagara Intl. Airport (BUF), it’s about 8 mi northeast of the city center. Use the dough you save when booking your seat with Expedia to check out the city’s well-known attractions, such as KeyBank Center and Buffalo and Erie County Naval and Military Park.
Can I change the date of my flight from Roger Milliken Field to BUF?
You can easily make changes to your GSP to BUF flight by logging in to the Expedia Trips portal. Before you make any amendments, check out the rules and conditions in your itinerary to learn what the airline will allow you to do and if fees apply. Some carriers have a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also take a look at our Customer Service portal for more advice and to connect with our Virtual Agent.

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*Available to One Key members.