$559 Cheap Flights from Des Moines (DSM) to Seoul (ICN)

View $559 flight on Tue, Sep 2, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Des Moines to Seoul (DSM-ICN)

Prices were available within the past 7 days and start at $559 for one-way flights and $1,142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 2 - Tue, Sep 16
DSM
Des Moines
ICN
Seoul
$1,142 Roundtrip, found 1 hour ago
$1,142
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 2 from Des Moines to Seoul, returning Tue, Sep 16, priced at $1,142 found 1 hour ago
United
Fri, Oct 3 - Tue, Oct 14
DSM
Des Moines
ICN
Seoul
$1,145 Roundtrip, found 1 day ago
$1,145
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 3 from Des Moines to Seoul, returning Tue, Oct 14, priced at $1,145 found 1 day ago
United
Fri, Aug 22 - Fri, Sep 5
DSM
Des Moines
ICN
Seoul
$1,148 Roundtrip, found 1 day ago
$1,148
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 22 from Des Moines to Seoul, returning Fri, Sep 5, priced at $1,148 found 1 day ago
United
Tue, Sep 30 - Sat, Oct 11
DSM
Des Moines
ICN
Seoul
$1,161 Roundtrip, found 1 day ago
$1,161
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 30 from Des Moines to Seoul, returning Sat, Oct 11, priced at $1,161 found 1 day ago
American Airlines
Tue, Sep 2 - Tue, Sep 16
DSM
Des Moines
ICN
Seoul
$1,172 Roundtrip, found 1 hour ago
$1,172
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Sep 2 from Des Moines to Seoul, returning Tue, Sep 16, priced at $1,172 found 1 hour ago
United
Mon, Oct 6 - Tue, Oct 14
DSM
Des Moines
ICN
Seoul
$1,176 Roundtrip, found 1 day ago
$1,176
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Des Moines to Seoul, returning Tue, Oct 14, priced at $1,176 found 1 day ago
American Airlines
Tue, Sep 2 - Tue, Sep 16
DSM
Des Moines
ICN
Seoul
$1,179 Roundtrip, found 1 hour ago
$1,179
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Sep 2 from Des Moines to Seoul, returning Tue, Sep 16, priced at $1,179 found 1 hour ago
Delta
Tue, Sep 2 - Tue, Sep 16
DSM
Des Moines
ICN
Seoul
$1,396 Roundtrip, found 1 hour ago
$1,396
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 2 from Des Moines to Seoul, returning Tue, Sep 16, priced at $1,396 found 1 hour ago
Lufthansa
Tue, Sep 2 - Thu, Nov 13
DSM
Des Moines
ICN
Seoul
$1,535 Roundtrip, found 3 days ago
$1,535
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Sep 2 from Des Moines to Seoul, returning Thu, Nov 13, priced at $1,535 found 3 days ago
Korean Air
Thu, Oct 16 - Sun, Oct 26
DSM
Des Moines
ICN
Seoul
$1,619 Roundtrip, found 1 hour ago
$1,619
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Thu, Oct 16 from Des Moines to Seoul, returning Sun, Oct 26, priced at $1,619 found 1 hour ago
Flights from Des Moines (DSM) to Seoul (ICN)
Origin airport
Des Moines Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Delta, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, United
Roundtrip price
$1,142
Distance
6421 mi

Des Moines to Seoul Flights

The cheapest times to fly from Des Moines to Seoul

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

The best time to book a flight from Des Moines to Seoul

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

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 Des Moines to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $559 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 Des Moines to Seoul 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 Des Moines to Seoul 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 Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN) cost?
Discover the latest flight deals from DSM to ICN by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DSM to ICN?
The cheapest flights from DSM to ICN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DSM to ICN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DSM to ICN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN)?
Direct flights from Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and pick either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from DSM to ICN?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN)?
Book a flight from Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN) last-minute?
Holding off until just before your trip to book a ticket from DSM to ICN often results in higher prices. While you might find some last-minute discounts, they’re not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a DSM to ICN flight and hotel package?
Booking a DSM to ICN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our extensive range of accommodations and then add car rentals, activities and flights 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 Des Moines Intl. Airport (DSM) to Incheon Intl. Airport (ICN)?
If you booked your DSM to ICN 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 that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.