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 51% 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.

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

Vancouver (YVR) has the shortest average layover time for this route: 1h 31m.

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 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?

Japan Airlines is the most popular carrier 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: 48% of momondo users choosing 1-stop flights on this route connected there.

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 September 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.

$410 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:21 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

19h 59m1 stop San Francisco

7:45 pm - 8:22 amICN Incheon Intl-DEN Denver Intl

28h 37m2 stops San Francisco Dallas/Fort Worth

$880Multiple Airlines

Mon, Nov 2 - Fri, Nov 13

9:21 am - 9:20 pmDEN Denver Intl-ICN Incheon Intl

19h 59m1 stop San Francisco

7:45 pm - 9:40 amICN Incheon Intl-DEN Denver Intl

29h 55m1 stop San Francisco

$915Multiple Airlines

Sat, Nov 7 - Sun, Nov 15

6:26 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

18h 19m1 stop Dallas/Fort Worth

5:50 pm - 7:38 pmICN Incheon Intl-DEN Denver Intl

16h 48m1 stop Dallas/Fort Worth

$1,041American Airlines

Thu, Sep 17 - Thu, Sep 24

6:26 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

18h 19m1 stop Dallas/Fort Worth

5:50 pm - 10:34 pmICN Incheon Intl-DEN Denver Intl

19h 44m1 stop Dallas/Fort Worth

$1,041American Airlines

Wed, Sep 16 - Wed, Sep 30

12:15 pm - 6:45 pmDEN Denver Intl-ICN Incheon Intl

15h 30m1 stop Calgary

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,353WestJet

Mon, Sep 14 - Sun, Sep 20

8:51 pm - 5:40 amDEN Denver Intl-ICN Incheon Intl

16h 49m1 stop San Francisco

6:00 pm - 8:28 pmICN Incheon Intl-DEN Denver Intl

18h 28m1 stop San Francisco

$1,458United Airlines

Mon, Feb 15 - Thu, Feb 25

8:51 pm - 4:15 pmDEN Denver Intl-ICN Incheon Intl

27h 24m1 stop San Francisco

12:45 pm - 4:28 pmICN Incheon Intl-DEN Denver Intl

19h 43m1 stop San Francisco

$1,458United Airlines

Sun, Jan 17 - Thu, Jan 28

7:05 am - 4:20 pmDEN Denver Intl-ICN Incheon Intl

17h 15m1 stop Salt Lake City

6:45 pm - 10:33 pmICN Incheon Intl-DEN Denver Intl

19h 48m2 stops Seattle/Tacoma Intl Salt Lake City

$1,462Delta

Mon, Feb 15 - Thu, Feb 25

6:20 pm - 5:45 pmDEN Denver Intl-ICN Incheon Intl

31h 25m2 stops Salt Lake City Seattle/Tacoma Intl

6:40 pm - 7:10 pmICN Incheon Intl-DEN Denver Intl

16h 30m1 stop Salt Lake City

$1,712Delta

Tue, Dec 29 - Fri, Jan 15

12:15 pm - 6:45 pmDEN Denver Intl-ICN Incheon Intl

15h 30m1 stop Calgary

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,862WestJet

Sun, Sep 27 - Sat, Oct 3

Cheap last minute flights

Enter your travel dates to find the best prices.

7:40 am - 9:40 pmDEN Denver Intl-ICN Incheon Intl

23h 00m2 stops San Diego San Francisco

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,023Multiple Airlines

Wed, Sep 2 - Sat, Oct 17

10:39 pm - 5:05 pmDEN Denver Intl-ICN Incheon Intl

51h 26m2 stops Los Angeles Tokyo Narita

8:45 pm - 11:20 amICN Incheon Intl-DEN Denver Intl

29h 35m1 stop Calgary

$1,035Multiple Airlines

Wed, Sep 2 - Sat, Oct 17

3:10 pm - 9:40 pmDEN Denver Intl-ICN Incheon Intl

39h 30m2 stops Dallas/Fort Worth San Francisco

9:40 pm - 9:32 amICN Incheon Intl-DEN Denver Intl

26h 52m1 stop Los Angeles

$1,074Multiple Airlines

Sun, Sep 6 - Mon, Oct 5

4:21 pm - 3:45 pmDEN Denver Intl-ICN Incheon Intl

32h 24m1 stop Dallas/Fort Worth

5:50 pm - 11:58 pmICN Incheon Intl-DEN Denver Intl

21h 08m1 stop Dallas/Fort Worth

$1,075American Airlines

Sun, Sep 6 - Mon, Oct 5

6:27 pm - 7:05 pmDEN Denver Intl-ICN Incheon Intl

33h 38m2 stops Dallas/Fort Worth Hong Kong Intl

1:40 pm - 10:41 pmICN Incheon Intl-DEN Denver Intl

24h 01m2 stops Hong Kong Intl Los Angeles

$1,101Multiple Airlines

Thu, Sep 3 - Wed, Sep 16

5:03 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

19h 42m1 stop Dallas/Fort Worth

5:50 pm - 9:47 pmICN Incheon Intl-DEN Denver Intl

18h 57m1 stop Dallas/Fort Worth

$1,106American Airlines

Fri, Sep 4 - Tue, Oct 6

6:25 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

18h 20m1 stop Dallas/Fort Worth

5:50 pm - 12:36 amICN Incheon Intl-DEN Denver Intl

21h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,110American Airlines

Fri, Sep 4 - Tue, Oct 6

11:59 pm - 3:45 pmDEN Denver Intl-ICN Incheon Intl

24h 46m2 stops Charlotte Douglas Dallas/Fort Worth

5:50 pm - 12:36 amICN Incheon Intl-DEN Denver Intl

21h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$1,119American Airlines

Wed, Sep 2 - Sat, Oct 17

7:20 am - 3:45 pmDEN Denver Intl-ICN Incheon Intl

17h 25m1 stop Dallas/Fort Worth

5:50 pm - 7:38 pmICN Incheon Intl-DEN Denver Intl

16h 48m1 stop Dallas/Fort Worth

$1,196British Airways

Thu, Sep 3 - Wed, Sep 16

12:02 pm - 5:30 pmDEN Denver Intl-ICN Incheon Intl

38h 28m1 stop Seattle/Tacoma Intl

8:00 pm - 11:34 amICN Incheon Intl-DEN Denver Intl

31h 34m2 stops Seattle/Tacoma Intl San Diego

$1,838Alaska Airlines

Sun, Sep 6 - Sun, Dec 6

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China Eastern flights from Denver to Seoul

Our best China Eastern deals on Denver to Seoul flight tickets

China Eastern

Sep 8

DEN8:06 amDenver Intl

36h 49m

2 stops

ICN11:55 amIncheon Intl

Dec 7

ICN6:25 pmIncheon Intl

40h 32m

2 stops

DEN6:57 pmDenver Intl

$993

China Eastern

Oct 14

DEN7:05 amDenver Intl

45h 45m

2 stops

GMP7:50 pmSeoul Gimpo Intl

Oct 22

GMP8:50 pmSeoul Gimpo Intl

36h 19m

2 stops

DEN6:09 pmDenver Intl

$1,425

American Airlines flights from Denver to Seoul

Our best American Airlines deals on Denver to Seoul flight tickets

American Airlines

Sep 9

DEN6:26 amDenver Intl

18h 19m

1 stop

ICN3:45 pmIncheon Intl

Sep 16

ICN5:50 pmIncheon Intl

19h 44m

1 stop

DEN10:34 pmDenver Intl

$1,041

American Airlines

Sep 9

DEN6:26 amDenver Intl

18h 19m

1 stop

ICN3:45 pmIncheon Intl

Sep 16

ICN5:50 pmIncheon Intl

21h 27m

2 stops

DEN12:17 amDenver Intl

$1,045

American Airlines

Sep 14

DEN6:26 amDenver Intl

18h 19m

1 stop

ICN3:45 pmIncheon Intl

Oct 14

ICN5:50 pmIncheon Intl

21h 08m

1 stop

DEN11:58 pmDenver Intl

$1,069

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 11/2

9:21 am-9:20 pm

1 stop19h 59m

Incheon Intl

Fri 11/13

7:45 pm-8:22 am

2 stops28h 37m

$880

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Sat 11/7

9:21 am-9:20 pm

1 stop19h 59m

Incheon Intl

Sun 11/15

7:45 pm-9:40 am

1 stop29h 55m

$915

Quickest round-trip

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Thu 9/17

6:26 am-3:45 pm

1 stop18h 19m

Incheon Intl

Thu 9/24

5:50 pm-7:38 pm

1 stop16h 48m

$1,041

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Wed 9/16

6:26 am-3:45 pm

1 stop18h 19m

Incheon Intl

Wed 9/30

5:50 pm-10:34 pm

1 stop19h 44m

$1,041

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 9/14

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sun 9/20

8:45 pm-11:20 am

1 stop29h 35m

$1,353

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 2/15

8:51 pm-5:40 am

1 stop16h 49m

Incheon Intl

Thu 2/25

6:00 pm-8:28 pm

1 stop18h 28m

$1,458

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Sun 1/17

8:51 pm-4:15 pm

1 stop27h 24m

Incheon Intl

Thu 1/28

12:45 pm-4:28 pm

1 stop19h 43m

$1,458

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Mon 2/15

7:05 am-4:20 pm

1 stop17h 15m

Incheon Intl

Thu 2/25

6:45 pm-10:33 pm

2 stops19h 48m

$1,462

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Tue 12/29

6:20 pm-5:45 pm

2 stops31h 25m

Incheon Intl

Fri 1/15

6:40 pm-7:10 pm

1 stop16h 30m

$1,712

DenverIncheon

DEN Denver Intl - ICN Incheon Intl

DENICN

Denver Intl

Sun 9/27

12:15 pm-6:45 pm

1 stop15h 30m

Incheon Intl

Sat 10/3

8:45 pm-11:20 am

1 stop29h 35m

$1,862

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 $1,320 to $1,463.
The lowest price recently found on this route was $880.

What is the cheapest month to fly to Seoul?

The month of April is another great option to travel to Seoul, with average flight prices from Denver averaging around $1,161.

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 $1,316 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 $1,112 on momondo.

Can stopping save me money on Denver to Seoul flights?

You could potentially save up to 41% 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

Best Price Found	$410
Fastest flight time	17h 15m
Direct flights	None

The best one-way flight to Seoul from Denver in the past 72 hours is $410. The best round-trip flight deal from Denver to Seoul found on momondo in the last 72 hours is $880.

The fastest flight from Denver to Seoul takes 17h 15m

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. 17h 15m 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 September 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 51% of all bookings. The subsequent popular airlines are Asiana Airlines at 20%, American Airlines at 8%, and Delta at 8%.

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 10,157 reviews	Search United Airlines flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,542 reviews	Search Delta flights
Korean Air	PriceFrom $519	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
Alaska Airlines	PriceFrom $592	Free Cancellation	Rating 7.9 12,866 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 12,021 reviews	Search American Airlines flights
Air Canada	PriceFrom $869	Free Cancellation	Rating 7.1 11,571 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $1,035	Free Cancellation	Rating 8.1 558 reviews	Search Asiana Airlines flights
WestJet	PriceFrom $1,157	Free Cancellation	Rating 7.2 3,445 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.

An easier way to manage your Seoul trip

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Complete your trip

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Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport

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Cheap flights from Denver to Seoul from $410

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 10/24. 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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China Eastern flights from Denver to Seoul

Our best China Eastern deals on Denver to Seoul flight tickets

American Airlines flights from Denver to Seoul

Our best American Airlines deals on Denver to Seoul flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Denver to Seoul that are best for you.

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

Best Price Found

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

Complete your trip to Seoul

Explore popular destinations other users love

According to popular flight searches on momondo this year