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

Landing cheap one-way United Airlines flights from DEN to ICN 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.

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.

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.

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.

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."