Which layover airport offers the lowest fares from Denver to Seoul?

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $895.

Which layover airport has the shortest connection time from Denver to Seoul?

San Francisco (SFO) has the shortest average layover time for this route: 1h 31m.

Which layover airport has the shortest travel time from Denver to Seoul?

Flights connecting via Calgary (YYC) have the shortest average one-way travel time: 15h 30m.

What is the cheapest airline that flies from Denver Intl to Seoul?

WestJet and China Eastern are the most popular carriers operating from Denver Intl to Seoul

Which airport is the most popular layover for flights between Denver and Seoul?

Vancouver (YVR) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Seoul?

Air Canada, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Seoul from Denver according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 8 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Denver Intl Airport to Seoul?

Prices for flights from Denver Intl Airport to Seoul were last updated today.

How many operators does momondo search for flights from Denver Intl Airport to Seoul?

As of August 2026, there are 8 operators available to choose from for flights from Denver Intl Airport to Seoul.

How old do you have to be to fly from Denver Intl Airport to Seoul?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Seoul.

What documentation or ID do you need to fly to Seoul?

The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$372 Cheap Flights from Denver to Seoul in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Seoul

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 6:45 pm

DEN

ICN

15h 30m

1 stop

8:45 pm - 11:20 am

ICN

DEN

29h 35m

1 stop

$798WestJet

Mon, Aug 31 - Sun, Sep 13

12:15 pm - 6:45 pm

DEN

ICN

15h 30m

1 stop

8:45 pm - 11:20 am

ICN

DEN

29h 35m

1 stop

$801WestJet

Sat, Aug 29 - Sun, Sep 13

10:39 pm - 9:40 pm

DEN

ICN

56h 01m

2 stops

7:15 pm - 10:59 pm

ICN

DEN

18h 44m

1 stop

$857Multiple Airlines

Wed, Aug 19 - Wed, Oct 14

7:25 am - 9:40 pm

DEN

ICN

47h 15m

2 stops

7:15 pm - 9:41 am

ICN

DEN

29h 26m

1 stop

$860Multiple Airlines

Tue, Aug 18 - Fri, Sep 4

6:59 pm - 5:30 pm

DEN

ICN

31h 31m

2 stops

8:00 pm - 10:50 pm

ICN

DEN

18h 50m

2 stops

$1,211Alaska Airlines

Wed, Oct 7 - Thu, Nov 5

8:06 pm - 5:30 pm

DEN

ICN

30h 24m

2 stops

7:35 pm - 11:44 pm

ICN

DEN

43h 09m

2 stops

$1,227Alaska Airlines

Wed, Sep 16 - Wed, Sep 30

11:23 am - 4:05 pm

DEN

ICN

37h 42m

2 stops

6:55 pm - 6:03 pm

ICN

DEN

39h 08m

2 stops

$1,256Air Canada

Thu, Oct 1 - Sat, Nov 28

4:17 pm - 4:05 pm

DEN

ICN

32h 48m

1 stop

5:45 pm - 6:04 pm

ICN

DEN

39h 19m

2 stops

$1,265Air Canada

Thu, Oct 15 - Tue, Oct 20

5:24 am - 3:45 pm

DEN

ICN

19h 21m

1 stop

5:50 pm - 12:07 am

ICN

DEN

21h 17m

1 stop

$1,353American Airlines

Thu, Oct 15 - Tue, Oct 20

5:24 am - 3:45 pm

DEN

ICN

19h 21m

1 stop

6:50 pm - 11:47 pm

ICN

DEN

20h 57m

1 stop

$1,353American Airlines

Thu, Oct 22 - Thu, Nov 5

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WestJet flights from Denver to Seoul

Our best WestJet deals on Denver to Seoul flight tickets

WestJet

Aug 31

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

Sep 13

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

$798

WestJet

Aug 29

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

Sep 13

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

$801

WestJet

Aug 31

DEN12:15 pmDenver Intl

15h 30m

1 stop

ICN6:45 pmIncheon Intl

Sep 13

ICN8:45 pmIncheon Intl

29h 35m

1 stop

DEN11:20 amDenver Intl

$808

Cathay Pacific flights from Denver to Seoul

Our best Cathay Pacific deals on Denver to Seoul flight tickets

Cathay Pacific

Aug 3

DEN6:10 pmDenver Intl

39h 15m

2 stops

ICN12:25 amIncheon Intl

Aug 31

ICN1:40 pmIncheon Intl

25h 17m

2 stops

DEN11:57 pmDenver Intl

$1,157

Cathay Pacific

Aug 10

DEN6:26 pmDenver Intl

27h 14m

2 stops

ICN12:40 pmIncheon Intl

Sep 10

ICN8:00 amIncheon Intl

28h 42m

2 stops

DEN9:42 pmDenver Intl

$1,195

Cathay Pacific

Aug 16

DEN7:00 amDenver Intl

40h 05m

2 stops

ICN2:05 pmIncheon Intl

Aug 26

ICN1:55 amIncheon Intl

37h 02m

2 stops

DEN11:57 pmDenver Intl

$1,203

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 8/31

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sun 9/13

8:45 pm-11:20 am

1 stop29h 35m

$798

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 8/29

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sun 9/13

8:45 pm-11:20 am

1 stop29h 35m

$801

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 8/19

10:39 pm-9:40 pm

2 stops56h 01m

Incheon Intl

Wed 10/14

7:15 pm-10:59 pm

1 stop18h 44m

$857

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 8/18

7:25 am-9:40 pm

2 stops47h 15m

Incheon Intl

Fri 9/4

7:15 pm-9:41 am

1 stop29h 26m

$860

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 10/7

6:59 pm-5:30 pm

2 stops31h 31m

Incheon Intl

Thu 11/5

8:00 pm-10:50 pm

2 stops18h 50m

$1,211

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Wed 9/16

8:06 pm-5:30 pm

2 stops30h 24m

Incheon Intl

Wed 9/30

7:35 pm-11:44 pm

2 stops43h 09m

$1,227

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/1

11:23 am-4:05 pm

2 stops37h 42m

Incheon Intl

Sat 11/28

6:55 pm-6:03 pm

2 stops39h 08m

$1,256

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/15

4:17 pm-4:05 pm

1 stop32h 48m

Incheon Intl

Tue 10/20

5:45 pm-6:04 pm

2 stops39h 19m

$1,265

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/15

5:24 am-3:45 pm

1 stop19h 21m

Incheon Intl

Tue 10/20

5:50 pm-12:07 am

1 stop21h 17m

$1,353

Quickest round-trip

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/22

5:24 am-3:45 pm

1 stop19h 21m

Incheon Intl

Thu 11/5

6:50 pm-11:47 pm

1 stop20h 57m

$1,353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Denver to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Denver and Seoul?

Prices are currently low for flights on this route.

Typical prices usually range from $919 to $1,555.
The lowest price recently found on this route was $798.

What is the cheapest month to fly to Seoul?

The month of October is another great option to travel to Seoul, with average flight prices from Denver averaging around $1,115.

How far in advance should I book a flight from Denver to Seoul?

You are more likely to see cheaper flights to Seoul from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,267 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Denver for as low as $958 on momondo.

Can stopping save me money on Denver to Seoul flights?

You could potentially save up to 16% on your flight if you consider stops on a Denver to Seoul flight.

How have Denver to Seoul flight prices changed over time?

When to book flights from Denver to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Seoul according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Denver to Seoul (DEN to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Seoul

Fastest flight time	18h 16m
Direct flights	None

The fastest flight from Denver to Seoul takes 18h 16m

There are no direct flights from Denver to Seoul. There are no popular flight routes from Denver to Seoul.

Search flight deals

Frequently asked questions about flying from Denver to Seoul

How far is Denver Intl to Seoul by plane?
The distance between Denver Intl and Seoul is about 6158.3 mi. 18h 16m is a normal flight duration for this route.
When did momondo last update prices for flights from Denver Intl Airport to Seoul?
Prices for flights from Denver Intl Airport to Seoul were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Seoul?
As of August 2026, there are 8 operators available to choose from for flights from Denver Intl Airport to Seoul.
How old do you have to be to fly from Denver Intl Airport to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Denver to Seoul?
momondo data reveals that the most frequently booked airline on the route from Denver to Seoul is Air Canada, representing 55% of all bookings. The subsequent popular airlines are Asiana Airlines at 18%, Delta at 9%, and American Airlines at 6%.

Best airlines flying from Denver to Seoul

Compare and see reviews for airlines that fly from Denver to Seoul with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 10,061 reviews	Search United Airlines flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,494 reviews	Search Delta flights
Korean Air	PriceFrom $519	Free Cancellation	Rating 8.4 1,223 reviews	Search Korean Air flights
AIR PREMIA	PriceFrom $608	Free Cancellation	Rating 8.1 102 reviews	Search AIR PREMIA flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 11,847 reviews	Search American Airlines flights
Air Canada	PriceFrom $906	Free Cancellation	Rating 7.1 11,419 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $1,035	Free Cancellation	Rating 8.1 553 reviews	Search Asiana Airlines flights
WestJet	PriceFrom $1,157	Free Cancellation	Rating 7.2 3,423 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to Seoul with flexible booking policies on momondo?

Yes. All flights to Seoul from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Seoul?

Once all potential Denver to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Denver to Seoul from $372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Seoul departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Denver to Seoul

Our best WestJet deals on Denver to Seoul flight tickets

Cathay Pacific flights from Denver to Seoul

Our best Cathay Pacific deals on Denver to Seoul flight tickets

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See travel insights to Seoul from

How to get the cheapest flight ticket from Denver to Seoul

What is the typical price of a round-trip flight between Denver and Seoul?

What is the cheapest month to fly to Seoul?

How far in advance should I book a flight from Denver to Seoul?

Can stopping save me money on Denver to Seoul flights?

How have Denver to Seoul flight prices changed over time?

What is the cheapest airline that flies from Denver Intl to Seoul?

What airlines fly to Seoul?

Which airport is the most popular layover for flights between Denver and Seoul?

Which layover airport offers the lowest fares from Denver to Seoul?

Which layover airport has the shortest travel time from Denver to Seoul?

Which layover airport has the shortest connection time from Denver to Seoul?

When to book flights from Denver to Seoul

Cheap Denver to Seoul (DEN to SEL) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Denver to Seoul

Best airlines flying from Denver to Seoul

Compare and see reviews for airlines that fly from Denver to Seoul with momondo

Why use momondo?

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul

Fly your favorite airline to Seoul

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seoul

List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Denver

According to popular flight searches on momondo this year

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