$499 Find Cheap Flights from Denver to South Korea

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to South Korea departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Denver to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seoul
Incheon2 stops$994
Busan
Busan2 stops$1,059
Seoul
Incheon2 stops$994
Busan
Busan2 stops$1,059

Book Cheap Denver to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to South Korea

Mon, Sep 14 - Thu, Oct 1
Multiple Airlines Logo
3:15 pm - 5:40 pm
DEN
-
ICN
35h 25m
2 stops
Multiple Airlines Logo
8:45 pm - 11:20 am
ICN
-
DEN
29h 35m
1 stop
$994Multiple Airlines
Sun, Sep 13 - Sat, Oct 10
China Eastern Logo
6:30 am - 11:55 am
DEN
-
ICN
38h 25m
2 stops
China Eastern Logo
4:20 pm - 6:10 pm
ICN
-
DEN
40h 50m
2 stops
$997China Eastern
Tue, Sep 29 - Tue, Oct 13
Air Canada Logo
7:50 pm - 4:05 pm
DEN
-
ICN
29h 15m
1 stop
Air Canada Logo
5:45 pm - 6:04 pm
ICN
-
DEN
39h 19m
2 stops
$1,010Air Canada
Wed, May 13 - Tue, Jun 16
Air Canada Logo
9:10 am - 4:05 pm
DEN
-
ICN
15h 55m
1 stop
Air Canada Logo
5:45 pm - 11:10 pm
ICN
-
DEN
20h 25m
1 stop
$1,024Air Canada
Mon, Oct 5 - Thu, Oct 29
Air Canada Logo
6:10 pm - 4:05 pm
DEN
-
ICN
30h 55m
2 stops
Air Canada Logo
5:55 pm - 5:44 pm
ICN
-
DEN
14h 49m
1 stop
$1,032Air Canada
Tue, May 12 - Wed, Jun 17
Air Canada Logo
9:10 am - 4:05 pm
DEN
-
ICN
15h 55m
1 stop
Air Canada Logo
5:45 pm - 5:00 pm
ICN
-
DEN
14h 15m
1 stop
$1,034Air Canada
Wed, May 13 - Wed, Jun 10
Air Canada Logo
9:10 am - 4:05 pm
DEN
-
ICN
15h 55m
1 stop
Air Canada Logo
6:00 pm - 7:00 pm
ICN
-
DEN
40h 00m
1 stop
$1,037Air Canada
Thu, Apr 30 - Mon, May 11
Japan Airlines Logo
7:26 am - 9:15 pm
DEN
-
GMP
22h 49m
2 stops
Japan Airlines Logo
12:05 pm - 8:03 pm
GMP
-
DEN
22h 58m
2 stops
$1,329Japan Airlines
Wed, Oct 7 - Thu, Nov 5
Japan Airlines Logo
7:32 am - 9:15 pm
DEN
-
GMP
22h 43m
2 stops
Japan Airlines Logo
12:05 pm - 6:45 pm
GMP
-
DEN
22h 40m
2 stops
$1,350Japan Airlines
Thu, Sep 10 - Mon, Sep 14
STARLUX Airlines Logo
7:28 pm - 5:55 pm
DEN
-
PUS
31h 27m
2 stops
STARLUX Airlines Logo
12:30 pm - 11:17 pm
PUS
-
DEN
25h 47m
2 stops
$1,370STARLUX Airlines
Booking Insights

KAYAK's insights & trends for Denver to South Korea flights

Get data-powered insights and trends into flights from Denver to South Korea to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Denver to South Korea?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to South Korea is September, when tickets cost $1,050 (return) on average. On the other hand, the most expensive months are December and May, when the average cost of round-trip tickets is $1,820 and $1,631 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to South Korea, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to South Korea, you should book around 2 weeks before departure, which saves you about 25% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$421
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Denver to Seoul Incheon Airport

FAQs - booking South Korea flights

  • Will I need a visa to fly from Denver to South Korea?

    Unless you're planning to stay in South Korea for more than 90 days, you won't need to get a visa to enter the country as an American citizen. You will, however, have the option to fill out the South Korea Electronic Travel Authorization (K-ETA), which will help you avoid having to complete an arrival card in South Korea.

  • Where will flights from Denver to South Korea make stops for layovers?

    Flights that travel from Denver to South Korea will need to make at least one stop. These stops will often occur at airports like Los Angeles International Airport (LAX), Seattle-Tacoma International Airport (SEA), Haneda Airport (HND), and Shanghai Pudong International Airport (PVG).

  • Which airlines serve the best food on flights from Denver to South Korea?

    Korean Airlines can help you prepare your palate for your trip by serving a variety of Korean staples on flights from Denver to South Korea. You can order dishes like ssambap, dotori mukbap, and bibim guksu.

  • Will I face baggage fees when checking bags on flights from Denver to South Korea?

    If you fly Economy Class from Denver to South Korea, you'll be subjected to baggage fees for each checked bag you bring. You can steer clear of these fees by flying Business Class or First Class, or by only bringing an appropriately sized carry-on bag onto your flight with an airline like China Eastern.

  • How does KAYAK find such low prices on flights from Denver to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Denver to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Denver to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Denver to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to South Korea

  • The distance between Denver and South Korea is more than 6,000 miles. However, many airlines can take you from Denver to South Korea if you would like to travel there. Air Canada, American Airlines, China Airlines, China Eastern, Korean Air, and United Airlines will all be in the mix and can be considered when you're shopping for a good deal on flights.
  • Most of the flights from Denver to South Korea that airlines offer will depart from Denver International Airport (DEN) and land at Incheon International Airport (ICN). It's the main airport in the Seoul area and airline hub for Korean Air, Asiana Airlines, Jin Air, and Jeju Air. But you can also consider flying to Gimhae International Airport (PUS), which is located in the southern part of the country.
  • There aren't any nonstop flights from Denver to South Korea, but you should be able to unearth at least a few one-stop options. For example, Delta has one-stop flights that will be scheduled to fly from Denver International Airport to Incheon International Airport in about 18 hours.
  • If you can fit it into your travel budget, flying first class from Denver to South Korea will be the way to go for many travelers. You'll get a lie-flat seat you can use to get some sleep and enough in-flight entertainment to stave off boredom when you book a first class flight with an airline like China Airlines or Korean Airlines.
  • Denver International Airport has lounges like the American Airlines Admirals Club, Delta Sky Club, United Club, and The Centurion Lounge that you can use to relax. You can get into some of these lounges when you're flying with a certain airline and others when you're willing to pay the cost to enter.

Reviews of the top 5 airlines serving from Denver to South Korea

 
Need help choosing which airline to fly with from Denver to South Korea? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.4
Korean AirOverall score based on 1203 reviews
8.7Crew
8.3Comfort
8.2Entertainment
8.5Boarding
8.1Food
Airline reviews

Always on time and flight crew were great. Boarding in Manila was a bit chaotic and disorganized compared to Incheon.

10.0 ExcellentOmer, Mar 2026
MNL - ICN
Read more Korean Air reviews

Always on time and flight crew were great. Boarding in Manila was a bit chaotic and disorganized compared to Incheon.

Never had a flight delay issue with Korean Air, that's why I always go with this airline.

Flight crew were very attentive and made this trip a pleasure. Plus the fact that this our first time flying business class.

The boarding process was efficient and quick. The seats were comfortable. The food was good. The service was excellent. We had a lovely flight from Seattle on Korean air

Flight crew was fantastic. The aircraft was meticulously cleaned at all times. The crew was continuously checking to see if the passengers were ok.

Korean are so racist and when I ask question or directions they totally ignore me and say racist. Also they give me an rude attitude.

It was good, I liked the self-serve snacks but it was a little difficult to get the alcohol, which is understandable since I wouldn't want kids sneaking it.

Friendly flight attendants and gate agents. Very clean plane and food was good!

I normally love Korean Air, but this trip was not great. We boarded the plan and were settling into our seats. My son and I use these leg swings and we used it on the trip over to Cambodia, but on the way back the flight attendant very rudely told us we could not use it and that it was against regulations. I asked to see the regulation, but never saw it. The food on this trip was horrible as well, Even my son's kids meal was disgusting so we didn't eat anything on the flight. Thankfully we brought snacks. Entertainment - what happened to the games?

This was an amazing flight. The crew was great. The service was great. The food provided was great.

Kayak along with airfare assay are attempting to steal my money. Charges are being pressed.

Customer service and attention to details. The food was good.

Felt like the oldest plane in Asiana Fleet. Screen was 5-6in only and no charging at all. Movie selection wasn't great.

I’d have rated Asiana good except an unfortunate incident in which I felt one of your employee didn’t really help us. During the first leg of the trip, the flight from LAX to ICN, I left my backpack on the plane. When I realized, I reported to one of your employee who promised me that it’d be taken care of, that my backpack will be there at HCM city. When we arrived there, HCM people had no idea and my backpack was still at Incheon airport who denied any knowledge whatsoever. I was left in the cold and felt helpless. I was very disappointed. I’d like someone to look into this and let me know.

It was my first time flying Asiana but i was very pleased with how professional and understanding the flight crew is with little kids. One flight attendant held my 3 year old daughter’s hand guiding her to the exit after landing while i had my hands full with luggage and my infant. She was very helpful.

The customer service was excellent. They noticed that our connecting flight was scheduled too closely for us to complete customs, so they changed the flight. Our initial flight was delayed, and they were able to get us on another flight, all without charging us any additional fees. I would fly them again anytime!

Better screens, it would have been nice to have more comfortable seats.

2nd major delay due to maintenance issues. 1st delay missed my connecting flight.

It was great, but my bag was not loaded onto the connecting flight. I'm currently getting it resolved. If this isn't a problem, everything else was excellent.

The plane hasnt left im stuck in seatle still my flight has been grounded for almost 5 hours

The flight was smooth, the crew was great but the plane was quite old

Everything was great until I lost my water bottle and they can’t seem to locate it. I know I left it on the plane though.

WiFi didn’t work most of the time. The usb chargers would work only occasionally for 5 mins and wouldn’t charge after that. Had to keep trying repeatedly at each of the seats in the row.

The crew bent over backwards to thank us for flying and make us comfortable. The food service was quick and efficient. The Captain communicated and said goodbye and thank you as we departed. They really stood out!

Okay considering we had weather delays which the Pilot notified us of immediately!

Generally on time departures and arrivals, clean planes, sky miles membership provides great benefits (complimentary upgrades, etc).

Flight from Fort Wayne to Atlanta was the smallest in terms of cabin space that I've ever seen. A carry on I've used for 20 years BARELY fit in overhead compartment. I'm 5'10" and felt very cramped. Not the best experience.

I am writing to express my dissatisfaction with the poor service and unprofessional staff we encountered when traveling with an infant. Our flight was delayed, and the gate staff failed to manage the boarding process appropriately. Due to incorrect, unavailable, or missing 'pink tag' stroller and car seat check-in procedures at the gate, we were forced to board last. Furthermore, the gate staff was rude and dismissive, causing significant distress to our infant. To make matters worse, one of our checked items—an infant sleeper/lounger—was returned to us broken. Given the unsafe handling of essential equipment and unprofessional treatment, I expect a prompt resolution regarding compensation for the damaged items.

We departed and landed early which was a nice surprise. The boarding process was slow.

N Everything was perfect from boarding to assistance to baggage in Tampa

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

one staffer was frustrated (it happen); the flight was late and the pilot mentioned they'll make amend but the snacks were the same, other than that the aircraft was clean and everything went smooth, no complaints

Wonderful in-seat entertainment with seatback screens and huge selection of quality movies. The ability to bluetooth connect headphones was amazing.

No seat back entertainment. And app had a hard time getting entertainment loaded.

ticket agent lady wás very helpful , she arranged wheel chair for my elderly mother

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

Sitting on the runway after we land for almost two hours! Not sure if we should blame United or Just Dumpy Vance.

Flight was late - I was downgraded from first class to coach

United overall experience is great these days. Airport experience was very organized. Staff on flight were great. App and information as good as it gets.

Great smooth flight. Had a seating change, but that was an improvement. Thanks United Airways Crew.

Flight home was delayed multiple times, did not get home until 2am

the check-in lady at ORD was extremely rude and unprofessional. very disappointed as it was supposed to be a celebration for my wife's birthday and it really put a damper on things. if i wanted to be treated like trash, i would have flown Economy! (as opposed to business class)

My original flight was cancelled and then rebooked four hours later on a recovery flight, but I was checked in as stanby and had no seats so as a family of four we were concerned about not being seated altogether. Our flight then got delayed by another 1.5 hours and when seats were assigned at the gate, three of the four of us were together and we could get my wife closer, they offered no assistance.

I bought a ticket from Kayak. When I got to the airport, the was no ticket. I had to pay 5X to get to my destination. No response received from Kayak. I will NEVER use them again.

My wallet was stolen while I was sleeping on the plane.

Good boarding but extremely cold temperature in both flights (60 F!).

The whole plane smelled and felt old. The seats were very uncomfortable. Multiple delays. Extra fees.

Very rude gate attendants in San Francisco who didn’t let me bring my little carry on (smaller than usual size) and after boarding I realized that there still were a lot of overhead compartment space (like a full section available in some spots). That made me lose 30 minutes at my destination at 1am and it could have broken something fragile that I had in it

The most uncomfortable flight I’ve ever been on. I’m only 5,4” and barely had enough room to exist, couldn’t even fully relax my shoulders. Not sure why they bother with snacks. Half a coke and a single cookie?? Wow. Purchasable food looked gross too. Remember when airlines used to treat you like a human being?

Departed Palm Springs over an hour late because there’s only one gate, and it has always delayed by the arriving and departing flight to Toronto and the arriving flight from Vancouver.

Everything you need to know for your flight from Denver to South Korea

Information on your arrival and departure airports