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Dulles Intl

$89+ Cheap flights from Greenville (GSP) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — IAD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Greenville to Dulles Intl

Cheapest flights from Greenville to Dulles Intl
Explore the most affordable flight options available from Greenville to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:35 pm
GSP
-
IAD
Nonstop1h 38m
United Airlines
Wed 10/2112:40 pm
IAD
-
GSP
Nonstop1h 36m
United Airlines
Deal found 7/22$177
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:01 pm
GSP
-
IAD
Nonstop1h 32m
United Airlines
Mon 9/78:15 am
IAD
-
GSP
Nonstop1h 33m
United Airlines
Deal found 7/23$191
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:00 pm
GSP
-
IAD
1 stop6h 43m
Delta
Tue 10/2710:07 am
IAD
-
GSP
1 stop4h 42m
Delta
Deal found 7/23$197
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:01 pm
GSP
-
IAD
Nonstop1h 32m
United Airlines
Mon 9/78:15 am
IAD
-
GSP
Nonstop1h 33m
United Airlines
Deal found 7/22$199
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:45 pm
GSP
-
IAD
1 stop13h 22m
Multiple Airlines
Wed 8/266:09 pm
IAD
-
GSP
1 stop13h 48m
Multiple Airlines
Deal found 7/22$215
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am
GSP
-
IAD
1 stop5h 42m
Delta
Tue 9/88:08 am
IAD
-
GSP
1 stop6h 47m
Delta
Deal found 7/22$216
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:35 pm
GSP
-
IAD
Nonstop1h 38m
United Airlines
Sun 10/258:15 am
IAD
-
GSP
Nonstop1h 42m
United Airlines
Deal found 7/22$218
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:45 pm
GSP
-
IAD
2 stops20h 29m
Multiple Airlines
Wed 8/266:09 pm
IAD
-
GSP
1 stop13h 48m
Multiple Airlines
Deal found 7/22$219
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:47 pm
GSP
-
IAD
Nonstop1h 38m
United Airlines
Thu 9/178:15 am
IAD
-
GSP
Nonstop1h 33m
United Airlines
Deal found 7/26$222
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:46 am
GSP
-
IAD
1 stop3h 34m
Delta
Mon 8/243:03 pm
IAD
-
GSP
1 stop5h 29m
Delta
Deal found 7/22$225
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:51 pm
GSP
-
IAD
Nonstop1h 37m
United Airlines
Sat 9/2612:40 pm
IAD
-
GSP
Nonstop1h 36m
United Airlines
Deal found 7/23$233

Find flight deals from Greenville to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(United Airlines)

One-way from

$89
(United Airlines)

Popular in

January

Cheapest in

February

Average price

$500

Good round-trip deal

$474 or less

Good one-way deal

$295 or less
Provider with most accurate pricing for Greenville-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Washington, D.C. Dulles Intl flights.
Search Deals
From Greenville to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Greenville to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Greenville to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Greenville to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Greenville to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Sat 9/5

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Tue 9/8

8:15 am-9:48 am

Nonstop1h 33m

$191

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Thu 8/20

11:25 am-4:42 pm

1 stop5h 17m

Washington, D.C. Dulles Intl

Mon 8/24

5:47 pm-10:59 pm

1 stop5h 12m

$197

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Thu 9/3

5:46 am-9:20 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Thu 9/10

6:00 am-9:25 am

1 stop3h 25m

$197

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Fri 9/18

6:25 pm-12:41 am

1 stop6h 16m

Washington, D.C. Dulles Intl

Mon 9/21

7:17 pm-10:55 pm

1 stop3h 38m

$238

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Fri 9/25

3:40 pm-9:44 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Mon 9/28

7:17 pm-10:55 pm

1 stop3h 38m

$238

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Thu 8/20

5:46 am-9:20 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-10:40 am

1 stop4h 40m

$252

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Fri 8/28

7:47 pm-9:25 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 8/30

12:45 pm-2:19 pm

Nonstop1h 34m

$259
Quickest round-trip

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Tue 9/1

10:25 am-11:55 am

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 9/9

8:15 am-9:48 am

Nonstop1h 33m

$265

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Fri 8/28

5:20 pm-8:55 pm

1 stop3h 35m

Washington, D.C. Dulles Intl

Sun 8/30

8:28 am-1:55 pm

1 stop5h 27m

$279

GreenvilleWashington, D.C.

GSP - IAD

GSPIAD

Greenville

Wed 11/4

2:51 pm-4:27 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 11/9

8:25 am-10:02 am

Nonstop1h 37m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 21 resultsSorted by cheapest first
1
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3

Compare providers for flights from Greenville to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Greenville-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Greenville-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Greenville to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Greenville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Greenville to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Greenville to Washington, D.C. Dulles Intl Airport (average of $249). Flying from Greenville to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $511). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GSP to IAD?

Find hourly flight availability from Greenville to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

It’s optimal to fly from Greenville to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from Greenville to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Greenville to Washington, D.C. Dulles Intl Airport flights typically cost between $213 and $454 in October.
The cheapest round-trip price found within the last 5 days was $177 on United Airlines (Oct 15-Oct 21).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with United Airlines from Greenville to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Greenville to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Greenville to Washington, D.C. Dulles Intl?

    Greenville (GSP) is the airport you will fly out of if you book a flight from Greenville to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Greenville; the airport handles an average of 11 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Greenville airport to Washington, D.C. Dulles Intl. It is only a 10.4 mi journey to Greenville (GSP) from Greenville’s city center.

  • How long is the flight from Greenville to Washington, D.C. Dulles Intl Airport?

    A quick flight from Greenville to Washington, D.C. Dulles Intl Airport can take about 1h 38m. United Airlines provides one of the quickest options available for as low as $191. There are 384 mi between Greenville and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Greenville to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $194. United Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Greenville to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from Greenville to Washington, D.C. Dulles Intl Airport are GoJet (100%), Copa Airlines (84%) and Austrian Airlines (83%).

  • What are the cheapest flights from Greenville to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Greenville - Washington, D.C. Dulles Intl) can be booked for $177 on average, our data indicates $1,871 when flying from Greenville to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Greenville to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Greenville to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Dulles Intl.

  • Can I find deals for business class flights from Greenville to Dulles Intl?

    Yes. Cheapflights offers flight deals from Greenville to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Greenville to Washington, D.C. Dulles Intl Airport (average of $249). Flying from Greenville to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $511). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Greenville to Dulles Intl

Discover the top airline that operate flights from Greenville to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$194Average$339FlexibilityNo cancel feeOn-time69%

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