$929 Cheap Flights from Seoul (ICN) to Duluth (DLH)

View $929 flight on Mon, May 11, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Duluth, MN (DLH-Duluth Intl.)

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Cheap Flights from Seoul to Duluth (ICN-DLH)

Prices were available within the past 7 days and start at $929 for one-way flights and $1,332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,332 Roundtrip, found 12 hours ago
$1,332
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,332 found 12 hours ago
Delta
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,332 Roundtrip, found 12 hours ago
$1,332
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,332 found 12 hours ago
Delta
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,336 Roundtrip, found 12 hours ago
$1,336
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,336 found 12 hours ago
United
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,356 Roundtrip, found 12 hours ago
$1,356
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,356 found 12 hours ago
United
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,358 Roundtrip, found 12 hours ago
$1,358
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,358 found 12 hours ago
United
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,372 Roundtrip, found 12 hours ago
$1,372
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,372 found 12 hours ago
United
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,375 Roundtrip, found 12 hours ago
$1,375
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,375 found 12 hours ago
Delta
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,383 Roundtrip, found 12 hours ago
$1,383
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,383 found 12 hours ago
Delta
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,383 Roundtrip, found 12 hours ago
$1,383
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,383 found 12 hours ago
Korean Air
Thu, Mar 19 - Thu, Apr 2
ICN
Seoul
DLH
Duluth
$1,399 Roundtrip, found 12 hours ago
$1,399
Roundtrip
found 12 hours ago
Select Korean Air flight, departing Thu, Mar 19 from Seoul to Duluth, returning Thu, Apr 2, priced at $1,399 found 12 hours ago

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH) cost?
Get a cheap one-way flight from $929 or cheap return flight from $1,332 from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH) 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 Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH)?
March is the least expensive month to fly from ICN to DLH. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH)?
To find the cheapest airline flying from ICN to DLH, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH)?
Direct flights from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ICN to DLH?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the carrier and season.*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 Duluth Intl. Airport (DLH)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH) route, travel before 3 PM. Departures after this time 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 Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH) last-minute?
Last-minute fares from ICN to DLH are usually more expensive. To lock in the best prices, start looking for flights early. That said, if you can play around with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book an ICN to DLH flight and hotel package?
Compared with arranging flights and hotels separately, booking an ICN to DLH flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Duluth Intl. Airport (DLH)?
Typically, it's possible to reschedule or cancel your ICN to DLH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Incheon Intl.
Destination airport
Duluth Intl.
Airlines serving
Delta, Korean Air, United
Roundtrip price
$1,331
Distance
6141 mi

Book with confidence

Seoul to Duluth Flights

The cheapest times to fly from Seoul to Duluth

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

 

The best time to book a flight from Seoul to Duluth

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

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 Duluth in 2026. You can also book with separate airlines for your outbound and return journeys, from $929 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 Duluth 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 Duluth 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 Duluth Flights

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*Available to One Key members.