$114 Cheap Flights from Greenville (GSP) to Washington (IAD)

View $114 flight on Mon, Dec 22, 2025Opens in a new window

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

Cheap Flights from Greenville to Washington (GSP-IAD)

Prices were available within the past 7 days and start at $114 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 22 - Sat, Jan 24
GSP
Greenville
IAD
Washington
$189 Roundtrip, found 3 hours ago
$189
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Jan 22 from Greenville to Washington, returning Sat, Jan 24, priced at $189 found 3 hours ago
United
Thu, Dec 4 - Mon, Dec 8
GSP
Greenville
IAD
Washington
$194 Roundtrip, found 3 days ago
$194
Roundtrip
found 3 days ago
Select United flight, departing Thu, Dec 4 from Greenville to Washington, returning Mon, Dec 8, priced at $194 found 3 days ago
United
Wed, Nov 19 - Thu, Jan 8
GSP
Greenville
IAD
Washington
$196 Roundtrip, found 1 day ago
$196
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 19 from Greenville to Washington, returning Thu, Jan 8, priced at $196 found 1 day ago
United
Sat, Nov 22 - Mon, Nov 24
GSP
Greenville
IAD
Washington
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 22 from Greenville to Washington, returning Mon, Nov 24, priced at $201 found 1 day ago
United
Thu, Nov 20 - Sun, Nov 23
GSP
Greenville
IAD
Washington
$204 Roundtrip, found 4 hours ago
$204
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Nov 20 from Greenville to Washington, returning Sun, Nov 23, priced at $204 found 4 hours ago
Delta
Fri, Dec 5 - Mon, Dec 8
GSP
Greenville
IAD
Washington
$209 Roundtrip, found 3 hours ago
$209
Roundtrip
found 3 hours ago
Select Delta flight, departing Fri, Dec 5 from Greenville to Washington, returning Mon, Dec 8, priced at $209 found 3 hours ago
United
Sat, Nov 22 - Fri, Nov 28
GSP
Greenville
IAD
Washington
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 22 from Greenville to Washington, returning Fri, Nov 28, priced at $212 found 5 days ago
United
Thu, Nov 13 - Thu, Nov 20
GSP
Greenville
IAD
Washington
$213 Roundtrip, found 17 hours ago
$213
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Nov 13 from Greenville to Washington, returning Thu, Nov 20, priced at $213 found 17 hours ago
United
Fri, Nov 14 - Sat, Nov 15
GSP
Greenville
IAD
Washington
$219 Roundtrip, found 1 hour ago
$219
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Nov 14 from Greenville to Washington, returning Sat, Nov 15, priced at $219 found 1 hour ago
American Airlines
Wed, Jan 7 - Mon, Jan 12
GSP
Greenville
IAD
Washington
$238 Roundtrip, found 14 hours ago
$238
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Jan 7 from Greenville to Washington, returning Mon, Jan 12, priced at $238 found 14 hours ago

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

March is typically the cheapest month to fly

From $137 - $485 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $219
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $219
Flights from Greenville (GSP) to Washington (IAD)
Origin airport
Greenville-Spartanburg Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$188
Distance
384 mi
Average flight time
1 hour 36 mins

Greenville to Washington Flights

The cheapest times to fly from Greenville to Washington

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

 

The best time to book a flight from Greenville to Washington

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

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 Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 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 Washington 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 Washington 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 Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $114 or cheap return flight from $189 from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
Planning your trip for January is a good way to save, as it's the cheapest month for flights between GSP and IAD. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
If you're departing from Greenville-Spartanburg Intl. Airport (GSP), you can get on a nonstop flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
On average, Greenville-Spartanburg Intl. Airport (GSP) only has 1 nonstop flight to Washington Dulles Intl. Airport (IAD) daily. To explore more options, try our easy-to-use filter tool. Enter your preferred travel dates, then click on "1 Stop" or "2+ Stops" to discover flights offering layovers.
What are the most popular departure times for flights from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
Flights between GSP and IAD are their busiest at 2 PM. If you'd like a more relaxed atmosphere and potentially cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from GSP to IAD?
Travel on a Friday if you're after the biggest selection of flights from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
Hop on the earliest flight at around 9:45AM UTC-5, departing from Greenville-Spartanburg Intl. Airport (GSP). You'll be flying for around 1h 35m, landing at Washington Dulles Intl. Airport (IAD) at approximately 11:20AM UTC-5.
How long does it take to fly from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
It usually takes 1 hour and 35 minutes to cover the 390 mi from GSP to IAD.
What airline has the least delays from GSP to IAD?
United Airlines has the best track record for on-time direct flights from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD), with an on-time rating of 82%. Use the Expedia App to look up your journey status before you head off and get immediate updates about any changes.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD) route, fly before 3 PM. Flights 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.
What airports do you fly into for Washington from Greenville-Spartanburg Intl. Airport (GSP)?
You can land at any one of these Washington airports following your direct flight from Greenville-Spartanburg Intl. Airport (GSP):

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your trip to book a flight from GSP to IAD often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a GSP to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a GSP to IAD flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to Washington Dulles Intl. Airport (IAD)?
If you reserved your GSP to IAD flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.