$204 Cheap Flights from Greensboro (GSO) to Washington (IAD)

Popular airlines from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Greensboro to Washington (GSO-IAD)

Prices were available within the past 7 days and start at $204 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
Delta
United
Delta
Delta
United
American Airlines

Find the cheapest month to fly from Greensboro (GSO) to Washington (IAD)

September is typically the cheapest month to fly

From $179 - $554 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

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

Flights from Greensboro (GSO) to Washington (IAD)
Origin airport
Piedmont Triad Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$179
Distance
239 mi
Average flight time
1 hour 17 mins

Greensboro to Washington Flights

The cheapest times to fly from Greensboro 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 Greensboro to Washington are during the month of September. You can find some of the cheapest flights from Greensboro to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Greensboro to Washington

Sunday is one of the best days to book for cheap flights from Greensboro 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 Greensboro 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 Greensboro to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $204 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 Greensboro 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 Greensboro 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 Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD) cost?
Find cheap return tickets from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD) starting at $179. Grab your seat and take off on your trip. 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 GSO on August 3 2025 and touching down at IAD. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from GSO to IAD?
The cheapest flights from GSO to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
When flying out of Piedmont Triad Intl. Airport (GSO), you can board a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from GSO to IAD?
With fares starting at $204 for a one-way flight from GSO to IAD, United is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GSO on September 23 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
On average, there is just 1 direct flight leaving from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD) every day. If this doesn't work for you, think about flights with a layover. Just filter your search on Expedia to include one stop or more to find the next best option.
What are the most popular departure times for flights from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
Flights between GSO and IAD are busiest at 6 AM. If you want a more relaxed atmosphere and possibly cheaper fares, look for a departure that's outside typical rush times.
What day of the week has the most flights from GSO to IAD?
If you fly on a Friday, you'll get the widest range of choices for flights from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
The earliest flight leaving from Piedmont Triad Intl. Airport (GSO) is at around 6:15AM UTC-5. Board this plane and you'll reach Washington Dulles Intl. Airport (IAD) at approximately 7:35AM UTC-5. The overall travel time is 1h 20m.
How long does it take to fly from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
The average flight time from GSO to IAD is 1 hour and 19 minutes, covering a total distance of 240 mi.
What is the best time to fly from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being 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 Piedmont Triad Intl. Airport (GSO)?
Take a direct flight from Piedmont Triad Intl. Airport (GSO) to Washington and touch down at Ronald Reagan Washington National Airport (DCA). Another convenient gateway to this destination is Washington Dulles Intl. Airport (IAD).
Is it cheaper to buy a plane ticket from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your trip to book your flight from GSO to IAD generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a GSO to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a GSO to IAD flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Piedmont Triad Intl. Airport (GSO) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can cancel or modify your GSO to IAD flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.