DEN - SEL

$425 Find Cheap Flights from Denver to Seoul - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$890
Typical prices: $1,124-$1,592
Multiple Airlines
Fri 1/5Sat 1/27
DEN - ICN • 1 stop
Cheapest one-way
$425
Typical prices: $642-$954
Multiple Airlines
Fri 1/26
DEN - ICN • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Denver and Seoul. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
6 weeks
in advance
Our data shows that travelers who book at least 6 weeks in advance save around 4% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 18% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $895 (round-trip)
Vancouver Intl (YVR)
Shortest trip • 15h 54m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Seoul (DEN-SEL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Seoul

Tue, Nov 10 - Thu, Nov 19
Multiple Airlines Logo
10:55 pm - 4:20 pmDEN  Denver Intl-ICN Incheon Intl
25h 25m1 stop Los Angeles
Multiple Airlines Logo
1:20 pm - 6:03 pmICN  Incheon Intl-DEN Denver Intl
20h 43m1 stop Los Angeles
$869Multiple Airlines
Tue, Jan 5 - Wed, Jan 27
Multiple Airlines Logo
10:35 pm - 5:10 amDEN  Denver Intl-ICN Incheon Intl
38h 35m1 stop Los Angeles
Multiple Airlines Logo
1:20 pm - 8:19 pmICN  Incheon Intl-DEN Denver Intl
22h 59m1 stop Los Angeles
$890Multiple Airlines
Thu, Nov 26 - Sun, Dec 6
American Airlines Logo
5:30 am - 4:45 pmDEN  Denver Intl-ICN Incheon Intl
19h 15m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 11:50 pmICN  Incheon Intl-DEN Denver Intl
21h 00m1 stop Dallas/Fort Worth
$1,178American Airlines
Mon, Nov 2 - Tue, Nov 10
American Airlines Logo
5:30 am - 4:45 pmDEN  Denver Intl-ICN Incheon Intl
19h 15m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 pm - 10:54 pmICN  Incheon Intl-DEN Denver Intl
20h 04m1 stop Dallas/Fort Worth
$1,178American Airlines
Thu, Mar 11 - Tue, Mar 23
United Airlines Logo
5:15 am - 4:15 pmDEN  Denver Intl-ICN Incheon Intl
19h 00m1 stop San Francisco
United Airlines Logo
11:45 am - 4:25 pmICN  Incheon Intl-DEN Denver Intl
19h 40m1 stop San Francisco
$1,458United Airlines
Wed, Apr 7 - Wed, Apr 21
United Airlines Logo
5:15 am - 3:00 pmDEN  Denver Intl-ICN Incheon Intl
18h 45m1 stop San Francisco
United Airlines Logo
11:30 am - 6:18 pmICN  Incheon Intl-DEN Denver Intl
21h 48m1 stop San Francisco
$1,458United Airlines
Thu, Apr 8 - Thu, Apr 22
Delta Logo
6:45 am - 4:50 pmDEN  Denver Intl-ICN Incheon Intl
19h 05m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 pm - 11:28 pmICN  Incheon Intl-DEN Denver Intl
19h 28m1 stop Seattle/Tacoma Intl
$1,458Delta
Thu, Feb 25 - Wed, Jun 16
Delta Logo
5:40 am - 4:20 pmDEN  Denver Intl-ICN Incheon Intl
18h 40m1 stop Salt Lake City
Delta Logo
4:25 pm - 12:23 amICN  Incheon Intl-DEN Denver Intl
22h 58m1 stop Atlanta Hartsfield-Jackson
$1,458Delta
Thu, Feb 25 - Tue, Jun 15
Air Canada Logo
8:15 am - 5:10 pmDEN  Denver Intl-ICN Incheon Intl
16h 55m1 stop Vancouver Intl
Air Canada Logo
5:45 pm - 5:10 pmICN  Incheon Intl-DEN Denver Intl
14h 25m1 stop Vancouver Intl
$1,815Air Canada
Mon, Feb 15 - Thu, Mar 4
Air Canada Logo
8:15 am - 5:10 pmDEN  Denver Intl-ICN Incheon Intl
16h 55m1 stop Vancouver Intl
Air Canada Logo
6:55 pm - 6:04 pmICN  Incheon Intl-DEN Denver Intl
39h 09m2 stops Vancouver Intl Edmonton
$1,815Air Canada
Booking Insights

Price, demand and travel trends for Denver to Seoul flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Denver to Seoul flight route?

There's little price difference between Denver to Seoul routes. They average around $1,345 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Denver to Seoul?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Denver to Seoul. It’s 8% cheaper than the average day, while Sunday is the most expensive, with prices 5% higher.

What’s the cheapest month to fly from Denver to Seoul?

•January is the cheapest month to fly from Denver to Seoul at $1,104 round-trip.
•December ($1,707) and May ($1,525) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 54% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Denver to Seoul the cheapest?

Flights from Denver to Seoul are cheapest 6 weeks before departure. Booking in this window typically costs about 4% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Denver to Seoul flights

Low season

January

Cheapest flight

$425
Beat the crowds with an average 44% drop in travelers.
The most popular month to fly with an average 90% increase in travelers.
One-way flight from Denver to Incheon Intl Airport

When to book flights from Denver to Seoul

Are your dates flexible? Find out the best times to travel from Denver to Seoul based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Denver to Seoul flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Denver to Seoul?

    Three cabin classes are available on flights from Denver to Seoul:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Denver to Seoul?

    A nonstop flight from Denver to Seoul takes 00m, covering 6,162 miles.

  • Do I need a passport to fly from Denver to Seoul?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Denver to Seoul flight?

    Round-trip flights from Denver to Seoul range from $1,124 to $1,592, with an average of $1,345 over the past 12 months. Anything below $1,124 counts as a good deal.

  • How expensive are last-minute Denver to Seoul flights?

    Last-minute fares on this route (booked within two weeks of departure) are 7% below the route average of $1,345. Booking late can sometimes save you money, but inventory is limited.

  • How are flight prices from Denver to Seoul looking right now?

    One-way fares from Denver to Seoul are currently higher than usual. Average one-way flight prices are about $1,098, which is 38% above the typical average for this route.

  • What car rental options are available in Seoul?

    Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Incheon Intl Airport (ICN) — daily rates from around $12:

    • WECAR
    • Wheego
    • Yesaway
    • Alamo
    • Enterprise Rent-A-Car

    Near Seoul Gimpo Intl Airport (GMP) — daily rates from around $12:

    • Wheego
    • Yesaway
    • Hi Rent
    • Europcar
    • Cartago Rent A Car

  • Which airports can I use when flying from Denver to Seoul?

    Flights from Denver to Seoul usually depart from Denver Intl (DEN) and may arrive at several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

  • Which airports do connecting flights from Denver to Seoul pass through?

    One-stop flights from Denver to Seoul most commonly connect through:

    • Vancouver Intl (YVR) - 58% of one-stop connections
    • San Francisco (SFO) - 12% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 7% of one-stop connections
    • Dallas/Fort Worth (DFW) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Denver to Seoul?

    Yes. Flexible dates can save you up to 13% on flights from Denver to Seoul. Tuesday is the cheapest departure day at $1,248 round-trip on average, while Sunday is the most expensive at $1,420, a difference of $172.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Denver to Seoul?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 15h 54m, compared with 16h 08m via Salt Lake City (SLC) and 17h 10m via Minneapolis St Paul (MSP).

  • What is the time difference between Denver and Seoul?

    Seoul is 15 hours ahead of Denver (Korean Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seoul?

    Some of the most popular sights in Seoul are Dongdaemun Market and COEX Convention and Exhibition Center. These are among the most viewed places in Seoul on KAYAK.

  • Which airline offers family-friendly services from Denver to Seoul?

    Delta offers Zone 2 boarding for travelers with car seats or strollers. SkyCots may be available on qualifying flights when requested before airport arrival. Stroller check is available at departure airports. Qualifying Medallion members and their companions may receive additional SkyMiles benefits.

Your guide to booking Denver to Seoul flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $1,248, about $172 less than Sunday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 6 weeks before you fly. On this route, that window historically saves about 4% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Denver to Seoul trip for January. Fares historically average $1,104 round-trip in that month - typically $603 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Incheon Intl Airport

    • Grand Hyatt Incheon
    • Best Western Premier Incheon Airport
    • Hotel Ora Incheon

    Near Seoul Gimpo Intl Airport

    • Intercity Seoul Hotel
    • The First Stay Hotel
    • Hotel M Felice
  • Consider flying United Airlines from DEN. The airport is one of the airline's hubs, giving passengers access to various flights, discounts and perks.
  • United Airlines allows 15- and 16-year-olds to travel alone from Denver to Seoul. If you're booking the trip, make sure the child has the standard international travel documents. The airline may also require an unaccompanied minor or travel consent form and the adults dropping off or picking up the child may need to show ID and provide contact information.
  • If you're flying from Denver to Seoul with a pet, Delta Air Lines allows small cats and dogs in the cabin. Book eligible dogs through Delta Reservations as soon as possible and make sure you have an international health certificate. The carrier must be leakproof, fit fully under the seat and have ventilation openings on four sides so the animal can travel comfortably.
  • You can bring one personal item and one carry-on bag on United Airlines flights from Denver to Seoul. Keep the carry-on within the 9 x 14 x 22-inch size limit.
  • If you're flying United Airlines from Denver to Seoul, consider United Polaris business class for lie-flat seats and noise-canceling headphones.

More options for your flight from Denver to Seoul

Complete your trip to Seoul with a hotel stay or car rental

Car rentals in Seoul
Hotels in Seoul
Vacations in Seoul