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Busan

$549+ Cheap flights from Colorado to Busan (PUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Colorado to Busan

Keep the following information in mind while searching for Colorado to Busan flight deals. Data was last updated July 3, 2025.

Round-trip from

$1,241
(Delta)

Popular in

June

Cheapest in

May
From Colorado to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($129 potential savings vs. average RT price).
Search Deals

Find flight deals from Colorado to Busan

Cheapest flights from Colorado to Busan
Explore the most affordable flight options available from Colorado to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:15 amDEN - PUS
2 stops23h 30mDelta
Sat 11/112:00 pmPUS - DEN
2 stops26h 24mDelta
Deal found 7/3$1,241
This Gotogate deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:52 pmDEN - PUS
2 stops20h 53mMultiple Airlines
Sun 9/2810:40 amPUS - DEN
2 stops23h 43mMultiple Airlines
Deal found 7/1$1,391
This Expedia deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:20 amDEN - PUS
2 stops37h 15mChina Eastern
Sun 8/3112:35 pmPUS - DEN
2 stops44h 46mChina Eastern
Deal found 7/3$1,486
This KAYAK deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:25 amDEN - PUS
3 stops51h 55mSingapore Airlines
Sat 11/17:45 amPUS - DEN
3 stops54h 19mSingapore Airlines
Deal found 7/2$2,901
This KAYAK deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amDEN - PUS
2 stops22h 45mKorean Air
Mon 1/512:00 pmPUS - DEN
2 stops23h 19mKorean Air
Deal found 7/2$3,204

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Colorado to Busan that are best for you.

Fly from

Colorado

Fly to

Busan

Route

Depart

Return

Price

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Wed 10/15

6:15 am-8:45 pm

2 stops23h 30m

Busan Gimhae

Sat 11/1

12:00 pm-11:24 pm

2 stops26h 24m

$1,241

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Sat 9/20

7:52 pm-7:45 am

2 stops20h 53m

Busan Gimhae

Sun 9/28

10:40 am-7:23 pm

2 stops23h 43m

$1,391

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Mon 8/18

7:20 am-11:35 am

2 stops37h 15m

Busan Gimhae

Sun 8/31

12:35 pm-6:21 pm

2 stops44h 46m

$1,486

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Wed 10/15

11:25 am-6:20 am

3 stops51h 55m

Busan Gimhae

Sat 11/1

7:45 am-11:04 pm

3 stops54h 19m

$2,901

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Sat 12/20

6:00 am-8:45 pm

2 stops22h 45m

Busan Gimhae

Mon 1/5

12:00 pm-7:19 pm

2 stops23h 19m

$3,204

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Tue 9/30

6:30 am-4:50 pm

2 stops43h 20m

$549

DenverBusan

DEN - PUS

DENPUS

Denver Intl

Tue 9/30

8:00 am-12:30 pm

3 stops37h 30m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Colorado to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Busan
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Busan. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Korean Air, Singapore Airlines, and Delta from Colorado to Busan by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,320 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,982 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Colorado?

    Busan Gimhae (PUS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Colorado to Busan.

  • Can I find deals for flights from Colorado to Busan that include hotel bookings?

    Yes. In addition to deals on Colorado to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Busan.

  • Can I find deals for business class flights from Colorado to Busan?

    Yes. Cheapflights offers flight deals from Colorado to Busan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Busan?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Busan (average of $1,166). Flying from Colorado to Busan in December is currently the most expensive (average of $2,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Colorado to Busan

Discover the top airline that operate flights from Colorado to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$1,308Average$1,802FlexibilityNo cancel feeOn-time81%

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