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Find cheap flights from Seoul to Colorado from $421

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seoul to Colorado departing on 5/13. 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
0 bags
Wed 6/5
Wed 6/12

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Best Colorado Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Denver
Denver2 stops$589
Colorado Springs
Colorado Springs2 stops$1,581

Good to know

Low season

January

High season

May

Cheapest flight

$421
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Seoul Incheon Airport to Denver

FAQs - booking Colorado flights

  • How does KAYAK find such low prices on flights from Seoul to Colorado?

    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 Seoul to Colorado.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Colorado from Seoul 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 Seoul to Colorado?

    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 to Colorado with an airline and back to Seoul with another airline.

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

    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 to Colorado from Seoul up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Seoul to Colorado

 
Need help choosing which airline to fly with from Seoul to Colorado? 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.
8.5
Korean AirOverall score based on 1184 reviews
8.8Crew
8.2Food
8.3Comfort
8.2Entertainment
8.6Boarding
Airline reviews

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

10.0 ExcellentAnonymous, Apr 2024ICN - SGN
Read more about Korean Air reviews

The flight crews were extremely professional helpful and courteous. Departure and arrival times were accurate. No delay. Thanks

Not very comfortable seated in the back plane due to turbulence

Everything about Korean air is great, hands down! Will always prefer this airline from other carriers.

Ford not that great the seat not to big for leg room like other airline

Crew was ok, but some passengers were a bit rude. Again, all outlets were not working, only the really slow charging usb plug on the entertainment system. Entertainment system was also bugged, some features just crash, the touch screen wasn't working and when trying to watch a movie the onscreen display kept flashing off and on making it very difficult to watch.

New plane. Perfect gluten free meal Very flawless procedures from check-in to the landing. Taking off on time and landing even earlier and the luggages are already there after shortest arrival report.

It was ok. Not good and not a bad experience

not too bad but not too great either. Service on all airlines declined ever since covid. Your Delta Stewardess are not that friendly at all. :-(

I like your stewardess, they are nice. However, your food could have been better and wheres your dessert? You do not offer beer or scotch. I do not drink alcohol biut my husband can have one or two, he has to ask if he can have one. during dinner or lunch, it should be offerred. Also, you do not have the most famous drinks ginger ale

Not accommodating ground staff On board slow service Crew members not very friendly

My overall experience with Singapore Airlines is great. Will definitely fly Singapore airline again.

Good flight. The food was served a bit late, hence a hurry to finish before landing. Excellent crew and service

They made me check my carry on even though there was room We un boarded in a strange way but overall it was good

Cabin Crew always friendly and helpful. Seating cramped - foul smelling from toilets, high risk of disease. Guard personal property such as expensive sunglasses Coffee always awful and cold Meal trays toddler sized Not worth the extra cost to fly SQ - use a budget airline, same if not better experience

When boarding, after business class should be premium economy, but economy class already lined-up at the gate blocking premium economy to board. Singapore airline crew should done a better job to organize this chaos :( Thank you.

It seems paying premium economy does not make difference with economy. No priority boarding, not worthy paying extra$$$ for premium economy.

The premium economy seats were not that great. It could have been more premium than economy seats.

People were so nice! Economy seats were small and cramped feeling for me. I’m slender and 6 feet tall

They were able to assist my elderly father and myself after not being able to check in to scoot. The counter service was phenomenal. They did what they could to get us on the next plane so we could catch our Connecting flight. Scoot closed early on us so we ended up missing our flight.

They are great with every aspect of customer service. Helped my elderly father and aided him with using the restroom.

At the boarding gate, Jeju airline accepted "carry on" bags for checking in for free due to the "limited cabin space". This is because most passengers were carrying multiple bags that exceed the size and weight limit for carry on items. Rather than inspecting carry-on bags at the counter and requiring excess bags to be checked in for a fee, they allowed freeloading at the boarding gate to to the detriment of those who paid the fee for checked bags. This is totally unfair.

As posred earlier the crew was very accommodating & professional. Thank You Allen

All though you can not help it the kids was loud and unruly, The crew was very accommodating and professional. Thank You Allen.

No priority counter check in for families with young children.

The flight was delayed from GUM to ICN, there was no notification on how delayed the flight would be. Although we received notice, there was no specified time given. The flight was also very uncomfortable.

Cons: "Sold me a ticket then cancelled 15 minutes later due to not having updated information from the airline on bookings."

Captain smooth landing, Crew efficient and helpful. We saw Mt Fuji from the plane. Thanks.

On time and smooth flight from San Juan direct to Sint Maarten.

Just to be expected on a budget airline. Since all the flights were either late on the evening it would help to offer some food for purchase Since you tourists cannot buy decent food withoit local vaccination record in hong Kong this would really to help Using phone to submit electronic data is great but for the elderly this is a hassle

Flight cancelled without notidication, had to book an emergency replacement flight at the counter

Cons: "We should have been allowed to sit near our family (wives). There was empty row but they wanted to charge us to move up. Ridiculous!!"
Pros: "Absolutely nothing"
Cons: "The flight took forever to land. Pilot said prepare for descent and we stayed in the air for another forty minutes. The air smelled awful. One of the worst flights I’ve ever taken."
Pros: "I was able to purchase extended seat room for a reasonable price."
Cons: "No free drinks or entertainment or anything to help pass the flight time."
Cons: "Staff at check-in counter were not helpful. They were there and they weren't. We were there at the front while two of the counters were ready but didn't call us up. They were chatting with each other instead. We I asked them are they ready to work, she ask me where was I heading. What is the difference?"
Pros: "Price was good and HK to Tokyo times were good"
Cons: "No entertainment on 5 hour flight"
Pros: "Nothing in particular."
Cons: "They don't tell you that 1) you aend up paying more than other airlines charge by the time you add various 'extras'; and 2) you have to go through immigration because they are in another terminal. This means two hours of work, plus I missed my flight because I didn't have 3 hrs. They said my fault."

ok flight, but charged for everything. water, food, baggage. no free water available, I had to plead to give me water to take medicine.

Need to consider about zero entertainment services and lack of flight information!

I can't board the 2nd flight due to the last 1st flight. In the 1st flight check-in, I can't board due to the stupid problem of K-ETA visa. The booking system and the flight company should inform the customer a few days earlier. This is the worse experience in my life. I won't use KAYAK and the airline anymore. My friends were also surprised about this stupid situation. I won't use KAYAK and T'way anymore.

I can't board the flight due to the K-ETA problem. You should inform the customer clearly a few days before the flight. I can't cancel/change the flight now. This is the worst experience in my life. I also never hear about this kind of bad experience. I won't use the booking system and the flight company anymore.

Pros: "We received great assistance at the check-in counter and were helped out even though we arrived late. The ground crew was actually great."
Cons: "We only got water. Felt like a bus ride. Minimum comfort but fair for the price."

Book cheap flights from Seoul to Colorado

Recent round-trip flight deals

9/23Mon
2 stopsUnited Airlines
36h 03mICN-DEN
10/1Tue
1 stopUnited Airlines
29h 00mDEN-ICN
$589
9/5Thu
2 stopsAmerican Airlines
33h 39mICN-DEN
9/11Wed
1 stopAmerican Airlines
17h 41mDEN-ICN
$596
5/27Mon
1 stop
26h 05mICN-DEN
8/22Thu
2 stops
29h 40mDEN-ICN
$964
6/3Mon
1 stop
21h 18mICN-DEN
7/1Mon
1 stop
22h 19mDEN-ICN
$993
10/9Wed
1 stopKorean Air
18h 17mICN-DEN
10/23Wed
1 stopKorean Air
18h 05mDEN-ICN
$1,106
10/9Wed
1 stopKorean Air
14h 39mICN-DEN
10/27Sun
1 stopKorean Air
19h 10mDEN-ICN
$1,162
5/20Mon
1 stopAsiana Airlines
34h 28mICN-DEN
5/22Wed
1 stopAsiana Airlines
18h 35mDEN-ICN
$1,560
10/8Tue
3 stopsSingapore Airlines
42h 13mICN-DEN
10/17Thu
2 stopsSingapore Airlines
34h 45mDEN-ICN
$1,590
6/1Sat
1 stopAsiana Airlines
16h 39mICN-DEN
6/22Sat
1 stopAsiana Airlines
18h 30mDEN-ICN
$1,597
9/2Mon
3 stopsSingapore Airlines
34h 45mICN-DEN
9/10Tue
2 stopsSingapore Airlines
34h 45mDEN-ICN
$1,598

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Recent one-way flight deals

5/13Mon
1 stopAmerican Airlines
20h 37mICN-DEN
$421
5/13Mon
2 stopsAmerican Airlines
19h 40mICN-DEN
$426
5/27Mon
1 stop
50h 05mICN-DEN
$433
5/27Mon
1 stop
26h 05mICN-DEN
$445
9/12Thu
1 stopKorean Air
20h 05mICN-DEN
$818
9/12Thu
2 stopsSingapore Airlines
47h 15mICN-DEN
$921
9/13Fri
1 stopKorean Air
14h 39mICN-DEN
$933
10/5Sat
3 stopsSingapore Airlines
47h 38mICN-DEN
$978
8/9Fri
1 stopUnited Airlines
37h 04mICN-DEN
$1,145
8/9Fri
2 stopsUnited Airlines
29h 04mICN-DEN
$1,151

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Last minute flights from Seoul to Colorado

Last minute flight, train and bus deals

5/7Tue
multi-stopAsiana Airlines
16h 56mICN-DEN
5/8Wed
multi-stopAsiana Airlines
18h 35mDEN-ICN
$1,431
5/7Tue
multi-stop
22h 10mICN-DEN
5/8Wed
multi-stop
26h 37mDEN-ICN
$1,458
5/11Sat
multi-stop
28h 24mICN-DEN
5/19Sun
multi-stop
22h 30mDEN-ICN
$1,513
5/8Wed
multi-stopAsiana Airlines
34h 56mICN-DEN
5/14Tue
multi-stopAsiana Airlines
18h 30mDEN-ICN
$1,560
5/11Sat
multi-stopAir Canada
29h 58mICN-DEN
5/19Sun
multi-stopAir Canada
37h 46mDEN-ICN
$1,809
5/7Tue
multi-stopKorean Air
19h 09mICN-DEN
5/17Fri
multi-stopKorean Air
19h 15mDEN-ICN
$1,823
5/8Wed
multi-stopAir Canada
29h 57mICN-DEN
5/14Tue
multi-stopAir Canada
29h 48mDEN-ICN
$2,220
5/7Tue
multi-stopQatar Airways
34h 42mICN-DEN
5/14Tue
multi-stopQatar Airways
36h 46mDEN-ICN
$2,606
5/10Fri
multi-stopQatar Airways
36h 13mICN-DEN
5/19Sun
multi-stopQatar Airways
36h 46mDEN-ICN
$3,074
5/7Tue
multi-stopSingapore Airlines
34h 49mICN-DEN
6/1Sat
multi-stopSingapore Airlines
34h 45mDEN-ICN
$8,691

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Flights to Colorado

Return flight deals:

Colorado - Seoul

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