Cheap United Flights from Denver to Seoul (DEN→ICN)

View AU$1,290 flight on Sun, 8 Feb 2026Opens in a new window
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Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Denver to Seoul route information
Origin airport
Denver Intl.
Destination airport
Incheon Intl.
Distance
9903 km

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
Landing cheap one-way United Airlines flights from DEN to ICN from AU$1,290 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to ICN with United Airlines?
January is one of the cheapest months to jet away to Seoul with United Airlines. You could also find excellent prices on return and one-way fares in February.
Does United Airlines fly nonstop from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
To find out if there's a direct journey from DEN to ICN with United Airlines or another airline, select the "Nonstop" filter when looking for tickets.
What airports does United Airlines fly into in Seoul?
United Airlines flights from Denver Intl. Airport (DEN) to Seoul come in to land at Incheon Intl. Airport (ICN). This is the main gateway to this destination.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to Incheon Intl. Airport (ICN)?
Depending on your ticket type, a fee may apply if you change or cancel your flight more than 24 hours after it's been confirmed. To secure tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when you look for flights. For additional information on changing or cancelling your reservation, head to "Trips," select your flight and tick "Manage Booking."

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