Find flights
Airlines

HK$4,229+ Cheap flights to Boulder

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 22-2. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
27 Dec — 3 Jan1
1 adult

Flights to Boulder in 2024

Find the latest flights to Boulder in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 22 December 2024.

Return from

HK$6,553

One-way from

HK$4,229

Popular in

August

Cheapest in

April

Average price

HK$8,877
United Airlines
  • United Airlines
  • 19-2-23-2
  • 2 total stops
  • 36h 58m total
  • Hong Kong to Denver
Search Deals
22-2
  • 22-2
  • 2 total stops
  • 30h 09m total
  • Hong Kong to Boulder
Search Deals
High demand for flights, 15% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for return flights in December 2024
Search Deals

Find flight deals to Boulder

Cheapest flights to Boulder
Explore the most affordable flight options available to Boulder. Find the lowest fares based on data from user searches, with prices last updated on 22 December 2024.

Mon 23-1209:25HKG - DEN
1 stop25h 15mUnited Airlines
Sun 5-107:45DEN - HKG
1 stop20h 35mUnited Airlines
Deal found 21-12HK$6,569
Mon 23-1220:25HKG - DEN
2 stops29h 03mAir Canada
Sun 5-108:30DEN - HKG
1 stop19h 10mAir Canada
Deal found 21-12HK$7,517
Mon 23-1209:45HKG - DEN
2 stops22h 35mMultiple Airlines
Sun 5-118:00DEN - HKG
2 stops37h 50mMultiple Airlines
Deal found 21-12HK$9,904
Sun 22-1200:55HKG - DEN
2 stops37h 56mKorean Air
Sun 5-106:15DEN - HKG
2 stops25h 55mKorean Air
Deal found 21-12HK$13,176
Sun 22-1200:15HKG - DEN
1 stop28h 25mLufthansa
Sun 5-120:20DEN - HKG
2 stops29h 20mLufthansa
Deal found 21-12HK$16,962

Find flights to Boulder within your budget

Locate flights to Boulder that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 22 December 2024.

Fly from

Any airport

Route

Departure

Return

Price

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Wed 19-2

21:05-22:28

1 stop16h 23m

Denver Intl

Sun 23-2

07:45-19:20

1 stop20h 35m

HK$6,553

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Sun 19-1

20:25-21:35

1 stop16h 10m

Denver Intl

Sun 26-1

08:30-18:40

1 stop19h 10m

HK$7,214

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Tue 4-2

00:55-17:58

2 stops32h 03m

Denver Intl

Wed 12-2

18:45-16:50

2 stops31h 05m

HK$7,432

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Fri 21-3

13:50-21:53

2 stops22h 03m

Denver Intl

Wed 26-3

07:40-22:00

2 stops24h 20m

HK$7,439

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Tue 18-2

00:55-17:58

2 stops32h 03m

Denver Intl

Sun 23-2

06:05-23:10

2 stops26h 05m

HK$7,766

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Wed 19-2

19:25-08:27

3 stops52h 02m

Denver Intl

Sun 23-2

07:50-15:50

3 stops41h 00m

HK$10,020

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Wed 8-1

15:35-12:29

2 stops59h 54m

Denver Intl

Tue 14-1

07:00-22:45

2 stops24h 45m

HK$10,743

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Thu 20-3

00:15-14:30

1 stop28h 15m

Denver Intl

Wed 26-3

16:50-16:40

1 stop33h 50m

HK$12,360

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Tue 4-2

00:35-19:40

2 stops34h 05m

Denver Intl

Wed 12-2

13:30-17:40

3 stops37h 10m

HK$15,881

Hong KongDenver

HKG - DEN

HKGDEN

Hong Kong Intl

Wed 5-2

22:50-23:59

4 stops40h 09m

Denver Intl

Wed 12-2

10:25-18:05

4 stops40h 40m

HK$17,840

Flights are sorted by cheapest return flights first.

Deals found on 21-12

Showing 1-10 of 21 results
1
2
3

Best time to book a flight to Boulder

Have a flexible travel schedule? Discover the best time to fly to Boulder with our price prediction graph.
Estimated return 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.

Travel insights for flights to Boulder

Get recent, data-driven insights about flights to Boulder including ideal travel times, pricing trends, and more.

How long is the flight to Boulder?

On average, a flight from Hong Kong to Boulder takes 22 hours 50 minutes. Flights to Boulder from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Boulder?

The most popular airlines flying from Hong Kong to Boulder are United Airlines and Air Canada.

United Airlines

United Airlines

From HK$916

Air Canada

Air Canada

From HK$902

What are the cheapest airlines that fly to Boulder?

The cheapest airlines flying from Hong Kong to Boulder are Air Canada and United Airlines.

Rainfall in Boulder by month

Plan your trip to Boulder by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boulder ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Boulder when rainfall is around 13.0 mm.

Temperature in Boulder by month

Plan your trip to Boulder by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boulder, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Boulder

Get insights into the airlines that provide service to Boulder. 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 Boulder. Reviews last updated 22 December 2024.
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very Good
1,025 reviews
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very Good
844 reviews
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,440 reviews
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very Good
3,400 reviews
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very Good
8,594 reviews
Korean Air
8.4
Very Good
1,025 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

Boarding

8.5

Food

8.1

Overall

8.4

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

  • Can I find cheaper flights to Boulder if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Boulder on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Boulder?

    Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to Boulder.

  • How much is a return flight to Boulder?

    A return flight to Boulder will typically cost around HK$148, however they can be found for as little as HK$146.

  • Does Denver Intl have rental cars?

    Yes. Those touching down at Denver Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Denver Intl?

    Yes. Denver Intl has hotels nearby for those requiring accommodations. The Westin Denver International Airport is the closest property to Denver Intl (0.0 km away from Denver Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly your favourite airline to Boulder

Fly your favorite airline to Boulder. Flight routes are based on user searches made on Cheapflights and were last updated on 22 December 2024.
United Airlines flights from Hong Kong to Denver

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Boulder?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Boulder. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Boulder?

Cheapflights helps you find that perfect flight to Boulder by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Boulder with no change fees?

Yes, we can. To see specific flights to Boulder with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to Boulder become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Boulder today and book when you’re ready!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.