$204 Cheap Flights from Hilton Head Island (HHH) to Washington (IAD)

View $204 flight on Tue, Sep 30, 2025Opens in a new window

Popular airlines from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Hilton Head Island to Washington (HHH-IAD)

Prices were available within the past 7 days and start at $204 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 30 - Tue, Sep 2
HHH
Hilton Head Island
IAD
Washington
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Hilton Head Island to Washington, returning Tue, Sep 2, priced at $317 found 1 day ago
Delta
Tue, Sep 23 - Mon, Oct 6
HHH
Hilton Head Island
IAD
Washington
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Hilton Head Island to Washington, returning Mon, Oct 6, priced at $326 found 4 days ago
Delta
Tue, Aug 26 - Tue, Sep 2
HHH
Hilton Head Island
IAD
Washington
$345 Roundtrip, found 6 days ago
$345
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 26 from Hilton Head Island to Washington, returning Tue, Sep 2, priced at $345 found 6 days ago
Delta
Thu, Sep 25 - Mon, Oct 6
HHH
Hilton Head Island
IAD
Washington
$346 Roundtrip, found 4 days ago
$346
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 25 from Hilton Head Island to Washington, returning Mon, Oct 6, priced at $346 found 4 days ago
Delta
Sat, Aug 30 - Wed, Sep 3
HHH
Hilton Head Island
IAD
Washington
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Hilton Head Island to Washington, returning Wed, Sep 3, priced at $352 found 1 day ago
Delta
Tue, Aug 26 - Sun, Aug 31
HHH
Hilton Head Island
IAD
Washington
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 26 from Hilton Head Island to Washington, returning Sun, Aug 31, priced at $356 found 6 days ago
Delta
Tue, Aug 26 - Mon, Sep 1
HHH
Hilton Head Island
IAD
Washington
$361 Roundtrip, found 6 days ago
$361
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Aug 26 from Hilton Head Island to Washington, returning Mon, Sep 1, priced at $361 found 6 days ago
Delta
Wed, Aug 27 - Wed, Sep 3
HHH
Hilton Head Island
IAD
Washington
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 27 from Hilton Head Island to Washington, returning Wed, Sep 3, priced at $362 found 6 days ago
American Airlines
Wed, Oct 8 - Sat, Oct 11
HHH
Hilton Head Island
IAD
Washington
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 8 from Hilton Head Island to Washington, returning Sat, Oct 11, priced at $379 found 2 days ago
United
Fri, Sep 5 - Mon, Sep 8
HHH
Hilton Head Island
IAD
Washington
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 5 from Hilton Head Island to Washington, returning Mon, Sep 8, priced at $419 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $430
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $430
Flights from Hilton Head Island (HHH) to Washington (IAD)
Origin airport
Hilton Head Island
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$317
Distance
499 mi

Hilton Head Island to Washington Flights

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

 

The best time to book a flight from Hilton Head Island to Washington

Sunday is one of the best days to book for cheap flights from Hilton Head Island 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 Hilton Head Island 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 Hilton Head Island 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 Hilton Head Island 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 Hilton Head Island 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 Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from HHH to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HHH to IAD?
The cheapest flights from HHH 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 Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD)?
Direct flights aren't available from Hilton Head Island, SC (HHH) to Washington Dulles Intl. Airport (IAD). However, you can find other airports offering nonstop flights. Hop on your plane at Charleston Intl. Airport (CHS) and travel straight to Washington without layovers.
What is the cheapest airline that flies from HHH to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HHH to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD)?
You'll have to catch a flight with a layover if you're traveling from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from HHH to IAD?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from HHH to IAD shortly before your journey is typically more expensive. But if you're flexible with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a HHH to IAD flight and hotel package?
Compared with arranging hotels and flights separately, booking a HHH to IAD flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Hilton Head Island Airport (HHH) to Washington Dulles Intl. Airport (IAD)?
If you reserved your HHH to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.