$258 Cheap American Airlines flights Hilton Head Island (HHH) to Washington (IAD)

Landing cheap one-way American Airlines flights from HHH to IAD from $258 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $399 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for round-trip or one-way flights to Washington in January or February. You could find lower fares with American Airlines during these off-peak times.

Search for affordable American Airlines flights from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, press search and select “Nonstop” on Expedia to browse any direct flights from HHH to IAD with American Airlines or other airlines.

Find American Airlines’s earliest flights from HHH to IAD by checking the “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jump on an American Airlines flight from Hilton Head Island Airport (HHH) to Washington, and you’re most likely to come in to Washington Dulles Intl. Airport (IAD). This is the airline’s main hub here.

In most cases, you can reschedule or cancel your flight, although there may be additional charges if your booking was made over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to revise your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for more information.