$246 Cheap Flights from Harrisburg (MDT) to Sun Valley (SUN)

View $246 flight on Tue, Aug 18, 2026Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Sun Valley, ID (SUN-Friedman Memorial)

Cheap Flights from Harrisburg to Sun Valley (MDT-SUN)

Prices were available within the past 7 days and start at $246 for one-way flights and $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$500 Roundtrip, found 1 day ago
$500
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $500 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$540 Roundtrip, found 1 day ago
$540
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $540 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$546 Roundtrip, found 1 day ago
$546
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $546 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$580 Roundtrip, found 1 day ago
$580
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $580 found 1 day ago
United
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $583 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$586 Roundtrip, found 1 day ago
$586
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $586 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$626 Roundtrip, found 1 day ago
$626
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $626 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$634 Roundtrip, found 1 day ago
$634
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $634 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$635 Roundtrip, found 1 day ago
$635
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $635 found 1 day ago
Delta
Tue, Aug 18 - Tue, Aug 25
MDT
Harrisburg
SUN
Sun Valley
$664 Roundtrip, found 1 day ago
$664
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Harrisburg to Sun Valley, returning Tue, Aug 25, priced at $664 found 1 day ago
Flights from Harrisburg (MDT) to Sun Valley (SUN)
Origin airport
Harrisburg Intl.
Destination airport
Friedman Memorial
Airlines serving
Delta, United
Roundtrip price
$500
Distance
1929 mi

Harrisburg to Sun Valley Flights

The cheapest times to fly from Harrisburg to Sun Valley

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

 

The best time to book a flight from Harrisburg to Sun Valley

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

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 Harrisburg to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $246 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 Harrisburg to Sun Valley 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 Harrisburg to Sun Valley 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 Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN) cost?
Lock in a cheap one-way flight from $246 or cheap return flight from $500 from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN)?
The cheapest month to fly from MDT to SUN is August, when there's less demand. Off-peak months are typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from MDT to SUN. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN)?
There aren't any daily nonstop flights available from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from MDT to SUN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN)?
To avoid possible delays on the Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN) last-minute?
Last-minute bookings from MDT to SUN are generally more expensive. To secure the best rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a MDT to SUN flight and hotel package?
Compared with arranging hotels and flights separately, booking a MDT to SUN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive 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 Harrisburg Intl. Airport (MDT) to Friedman Memorial Airport (SUN)?
Typically, you can modify or cancel your MDT to SUN flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.