$86 Cheap Flights from Washington (IAD) to Greenville (GSP)

View $86 flight on Mon, Aug 4, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)

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Cheap Flights from Washington to Greenville (IAD-GSP)

Prices were available within the past 7 days and start at $86 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Aug 19 - Mon, Aug 25
IAD
Washington
GSP
Greenville
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 19 from Washington to Greenville, returning Mon, Aug 25, priced at $157 found 1 day ago
United
Mon, Aug 11 - Wed, Aug 13
IAD
Washington
GSP
Greenville
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 11 from Washington to Greenville, returning Wed, Aug 13, priced at $164 found 3 days ago
United
Sat, Aug 9 - Sat, Aug 16
IAD
Washington
GSP
Greenville
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 9 from Washington to Greenville, returning Sat, Aug 16, priced at $169 found 1 day ago
United
Mon, Aug 4 - Tue, Aug 5
IAD
Washington
GSP
Greenville
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 4 from Washington to Greenville, returning Tue, Aug 5, priced at $171 found 2 days ago
United
Fri, Aug 1 - Tue, Aug 12
IAD
Washington
GSP
Greenville
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 1 from Washington to Greenville, returning Tue, Aug 12, priced at $173 found 1 day ago
United
Thu, Aug 7 - Sun, Aug 10
IAD
Washington
GSP
Greenville
$174 Roundtrip, found 3 days ago
$174
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 7 from Washington to Greenville, returning Sun, Aug 10, priced at $174 found 3 days ago
United
Mon, Aug 11 - Wed, Aug 13
IAD
Washington
GSP
Greenville
$175 Roundtrip, found 3 days ago
$175
Roundtrip
found 3 days ago
Select United flight, departing Mon, Aug 11 from Washington to Greenville, returning Wed, Aug 13, priced at $175 found 3 days ago
Delta
Tue, Nov 18 - Wed, Nov 19
IAD
Washington
GSP
Greenville
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 18 from Washington to Greenville, returning Wed, Nov 19, priced at $177 found 1 day ago
United
Thu, Aug 21 - Sat, Aug 23
IAD
Washington
GSP
Greenville
$177 Roundtrip, found 14 hours ago
$177
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Aug 21 from Washington to Greenville, returning Sat, Aug 23, priced at $177 found 14 hours ago
American Airlines
Sat, Jul 26 - Tue, Jul 29
IAD
Washington
GSP
Greenville
$269 Roundtrip, just found
$269
Roundtrip
just found
Select American Airlines flight, departing Sat, Jul 26 from Washington to Greenville, returning Tue, Jul 29, priced at $269 just found

Find the cheapest month to fly from Washington (IAD) to Greenville (GSP)

August is typically the cheapest month to fly

From $163 - $678 per traveler.

Graph displaying average flight prices per month

Flights from Washington (IAD) to Greenville (GSP)
Origin airport
Washington Dulles Intl.
Destination airport
Greenville-Spartanburg Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$157
Distance
384 mi
Average flight time
1 hour 37 mins

Washington to Greenville Flights

The cheapest times to fly from Washington to Greenville

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

 

The best time to book a flight from Washington to Greenville

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

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 Washington to Greenville in 2025. You can also book with separate airlines for your outbound and return journeys, from $86 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 Washington to Greenville 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 Washington to Greenville 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

How much does a flight from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Grab cheap return fares starting from $189 from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAD on August 6 2025 and touching down at GSP. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from IAD to GSP?
To snag a cheap ticket, search for direct flights from IAD to GSP taking off in August. You can find a one-way United flight for $135 leaving on August 26 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 10 2025 and remains unchanged.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
Take a direct flight with United Airlines and fly straight from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP).
What is the cheapest airline that flies from IAD to GSP?
Journey from IAD to GSP with United. This airline currently offers the cheapest one-way fare for this route, starting from $135. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on August 26 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
On average, only 1 direct flight departs daily from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP). Seeking more options? Use our filters to find flights with layovers and squeeze another destination into your itinerary.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
Flights between IAD and GSP are busiest at 12 PM. If you want a less crowded experience and possibly cheaper tickets, choose a departure that's outside typical rush times.
What day of the week has the most flights from IAD to GSP?
Travel on a Thursday if you're looking for the best selection of flights from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
The first flight of the day jetting off from Washington Dulles Intl. Airport (IAD) is at around 12:40PM UTC-5. Catch this flight and you'll touch down at Greenville-Spartanburg Intl. Airport (GSP) at approximately 2:18PM UTC-5. The total travel time is 1h 38m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
Flights from IAD to GSP have an average travel time of 1 hour and 38 minutes. The total distance between the two is 390 mi.
What airline has the least delays from IAD to GSP?
With 82% of journeys usually arriving as scheduled, United Airlines has the best on-time performance for nonstop flights from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP). To keep track of your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
To reach Greenville-Spartanburg Intl. Airport (GSP) on schedule, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Greenville from Washington Dulles Intl. Airport (IAD)?
If you're traveling on a direct flight from Washington Dulles Intl. Airport (IAD) to Greenville, Greenville-Spartanburg Intl. Airport (GSP) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Waiting until right before your break to book a flight from IAD to GSP generally means paying more. While you might find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book an IAD to GSP flight and hotel package?
You can save money by securing an IAD to GSP 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 place. Once you've chosen your ideal accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Greenville-Spartanburg Intl. Airport (GSP)?
Typically, you're able to reschedule or cancel your IAD to GSP flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further details, visit our Customer Service portal.

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