$776 Cheap Flights from Sun Valley (SUN) to Hilton Head Island (HHH)

View $776 flight on Thu, May 14, 2026Opens in a new window

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Hilton Head Island Airport (HHH)

Cheap Flights from Sun Valley to Hilton Head Island (SUN-HHH)

Prices were available within the past 7 days and start at $776 for one-way flights and $1,555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, May 14 - Sun, May 17
SUN
Sun Valley
HHH
Hilton Head Island
$1,555 Roundtrip, found 4 days ago
$1,555
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Sun Valley to Hilton Head Island, returning Sun, May 17, priced at $1,555 found 4 days ago
United
Thu, May 14 - Sun, May 17
SUN
Sun Valley
HHH
Hilton Head Island
$1,623 Roundtrip, found 4 days ago
$1,623
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Sun Valley to Hilton Head Island, returning Sun, May 17, priced at $1,623 found 4 days ago
United
Thu, May 14 - Sun, May 17
SUN
Sun Valley
HHH
Hilton Head Island
$1,690 Roundtrip, found 4 days ago
$1,690
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Sun Valley to Hilton Head Island, returning Sun, May 17, priced at $1,690 found 4 days ago
United
Thu, May 14 - Sun, May 17
SUN
Sun Valley
HHH
Hilton Head Island
$1,734 Roundtrip, found 4 days ago
$1,734
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Sun Valley to Hilton Head Island, returning Sun, May 17, priced at $1,734 found 4 days ago

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH) cost?
Get a cheap one-way flight from $776 or cheap return flight from $1,555 from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH)?
Traveling in May can help you save, as it's the cheapest month for flights between SUN and HHH. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH)?
To find the cheapest airline flying from SUN to HHH, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH)?
Nonstop flights from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUN to HHH?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, time of year 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 Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH)?
To avoid possible delays on the Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH) route, travel before 3 PM. Departures after this hour 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 Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH) last-minute?
Holding off until just before your departure to book a ticket from SUN to HHH generally means paying more. While you might find some last-minute offers, there's no guarantee. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a SUN to HHH flight and hotel package?
You can save money by securing a SUN to HHH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Hilton Head Island Airport (HHH)?
If you reserved your SUN to HHH flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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 for further details.

Travel information

Origin airport
Friedman Memorial
Destination airport
Hilton Head Island
Roundtrip price
$1,554
Distance
1974 mi

Book with confidence

Sun Valley to Hilton Head Island Flights

The cheapest times to fly from Sun Valley to Hilton Head Island

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 Sun Valley to Hilton Head Island are during the month of May. You can find some of the cheapest flights from Sun Valley to Hilton Head Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sun Valley to Hilton Head Island

Sunday is one of the best days to book for cheap flights from Sun Valley to Hilton Head Island: 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 Sun Valley to Hilton Head Island

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 Sun Valley to Hilton Head Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $776 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 Sun Valley to Hilton Head Island 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 Sun Valley to Hilton Head Island 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.

 

Sun Valley to Hilton Head Island Flights

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*Available to One Key members.