United States · 385 miles (619 km)

Dulles (IAD) to Greenville (GSP) flights

One airline flies nonstop from Dulles (IAD) to Greenville (GSP): United Airlines. The two airports are 385 miles (619 km) apart. United Airlines is in Star Alliance. There are also 15 ways to fly it with one stop, through Charlotte, Pittsburgh and Philadelphia and more.

Airlines flying nonstop from IAD to GSP

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book IAD to GSP with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAD to GSP with one stop

15 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
  • Via Pittsburgh (PIT)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Philadelphia (PHL)United Airlines, then American Airlines
    United Airlines logo
    American Airlines logo
  • Via Columbus (CMH)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
    Delta Air Lines logo
  • Via Cincinnati (CVG)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Nashville (BNA)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via New York (LGA)United Airlines, then Delta Air Lines and American Airlines
    United Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
  • Via Hartford (BDL)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Providence (PVD)United Airlines, then Breeze Airways
    United Airlines logo
    Breeze Airways logo
  • Via Chicago (ORD)United Airlines the whole way
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Orlando (MCO)Frontier Airlines and United Airlines, then Breeze Airways
    Frontier Airlines logo
    United Airlines logo
    Breeze Airways logo
  • Via Tampa (TPA)United Airlines and Frontier Airlines, then Breeze Airways
    United Airlines logo
    Frontier Airlines logo
    Breeze Airways logo

IAD to GSP: common questions

Which airlines fly nonstop from IAD to GSP?

United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Greenville (GSP).

How far is Dulles from Greenville by plane?

Dulles (IAD) and Greenville (GSP) are 385 miles (619 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAD to GSP award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAD to GSP cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to GSP with taxes and fees.

Where can I connect between Dulles and Greenville?

The most direct connections are through Charlotte (CLT), Pittsburgh (PIT), Philadelphia (PHL), Columbus (CMH) and Atlanta (ATL). On 5 of them the same airline flies both flights, for example American Airlines through Charlotte.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.