Cheap Flights from Seoul (ICN) to Unalaska (DUT)

Popular airlines from Incheon Intl. Airport (ICN) to Unalaska, AK (DUT)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT) cost?
Grab a cheap one-way flight or cheap return flight from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT)?
is the cheapest month to fly from ICN to DUT. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from ICN to DUT. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT)?
There aren't any daily direct flights available from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ICN to DUT?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Unalaska Airport (DUT) route, aim to fly 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 Incheon Intl. Airport (ICN) to Unalaska Airport (DUT) last-minute?
Booking your plane ticket from ICN to DUT right before your journey is generally more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an ICN to DUT flight and hotel package?
Compared with arranging hotels and flights separately, booking an ICN to DUT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Unalaska Airport (DUT)?
Typically, it's possible to cancel or reschedule your ICN to DUT flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Incheon Intl.
Destination airport
Unalaska
Distance
3290 mi

Book with confidence

Seoul to Unalaska Flights

The cheapest times to fly from Seoul to Unalaska

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

 

The best time to book a flight from Seoul to Unalaska

Sunday is one of the best days to book for cheap flights from Seoul to Unalaska: 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 Seoul to Unalaska

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 Seoul to Unalaska in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Seoul to Unalaska 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 Seoul to Unalaska 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.

 

Seoul to Unalaska Flights

Explore a world of travel with Expedia

*Available to One Key members.