$388 Cheap Flights from Duluth (DLH) to Sun Valley (SUN)

View $388 flight on Wed, Jul 8, 2026Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from Duluth to Sun Valley (DLH-SUN)

Prices were available within the past 7 days and start at $388 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN) cost?
Grab a cheap one-way flight from $388 or cheap return flight from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN) 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 Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN)?
Planning your getaway for can help you save, as it's the cheapest month for flights between DLH and SUN. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from DLH to SUN. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN)?
You'll need to take a flight with a layover when traveling from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN). Direct flights don't operate daily on this route. However, just 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 DLH to SUN?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline 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 Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN)?
To arrive at Friedman Memorial Airport (SUN) on time, opt for a flight that takes off from Duluth Intl. Airport (DLH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN) last-minute?
Waiting until right before your break to book a flight from DLH to SUN generally means paying more. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your itinerary to maximize your chances of getting a bargain.
Is it cheaper to book a DLH to SUN flight and hotel package?
Booking a DLH to SUN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Friedman Memorial Airport (SUN)?
If you reserved your DLH to SUN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Duluth Intl.
Destination airport
Friedman Memorial
Distance
1097 mi

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Duluth to Sun Valley Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Duluth 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 Duluth 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 Duluth to Sun Valley in 2026. You can also book with separate airlines for your outbound and return journeys, from $388 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 Duluth 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 Duluth 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.

 

Duluth to Sun Valley Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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