Flights operate between Greer (GSP) and Washington (IAD).
1 airline operates this route with 1-2 flights daily flights.
Average flight time is 1h 32m - 1h 39m.
Route distance is 385 miles (619 km).
Route Distance
385 miles (619 km)
Average Duration
1h 32m - 1h 39m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
1-2 flights
Weekly Flights
13
Typical Departure Time Ranges
Earliest Departure
10:00
Latest Departure
14:55
Flight Schedule & Filters
Flight Schedule Calendar
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Direct (non-stop) flights from Greenville (GSP) to Washington (IAD)
Direct (non-stop) flights operate between Greenville (GSP) and Washington (IAD). This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 1h 32m - 1h 39m (average flight time)• Distance: 385 miles (619 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
Greenville (GSP)
US
Washington (IAD)
US
FLIGHT TIME
1h 32m - 1h 39m
FLIGHT DISTANCE
385 miles (619 km)
1h 33m - 1h 39m
10:00
14:55
385 miles (619 km)
January
1 (Show)
13
Flight Schedule
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Airlines with direct flights from Greenville (GSP) to Washington (IAD)
Weather at Washington (IAD)
Weather & Climate at Washington (IAD)
14.4°C
Avg Temperature88mm
Avg Rainfall10.3km/h
Avg Wind Speed66%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Booking Insights
Best Time to Book Flights to Washington (IAD)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Price Trends
Flight Price Trends for Washington (IAD)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Frequently Asked Questions
Do flights operate between GSP and IAD?
Yes. 2 direct flights operate between Greer (GSP) and Washington (IAD).
Which airlines operate this route?
1 airline operates this route: United Airlines.
How many flights operate daily?
1-2 flights flights operate daily on this route.
What is the average flight duration?
The average flight duration is 1h 32m - 1h 39m.
Is this route operated year-round?
This route operates with 1-2 flights daily flights.
Route data verified regularly by Triposia Travel Research Team.