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RM 2,561+ 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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
12 10월 — 19 10월1
1 adult
1 adult, Economy

Flights to Boulder in 2025

Find the latest flights to Boulder in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 407,431 searches and data was last updated on 12 9월 2025.

Return from

RM 4,978

One-way from

RM 2,822

Popular in

January

Cheapest in

October

Average price

RM 4,527
United Airlines
  • United Airlines
  • 5/10-8/10
  • 4 total stops
  • 77h 22m total
  • Kuala Lumpur to Denver
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Turkish Airlines
  • Turkish Airlines
  • 12/11
  • 1 total stop
  • 46h 30m total
  • Kuala Lumpur to Boulder
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (RM 6,545 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (RM 1,298 potential savings vs. average return price).
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Average for return flights in September 2025
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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 12 9월 2025.

일 5/1014:15KUL - DEN
2 stops43h 25mUnited Airlines
수 8/1006:03DEN - KUL
2 stops33h 57mUnited Airlines
Deal found 10/9RM 4,978
토 25/1007:15KUL - DEN
2 stops31h 14mUnited Airlines
토 1/1117:40DEN - KUL
2 stops40h 35mUnited Airlines
Deal found 10/9RM 5,409
금 24/1002:15KUL - DEN
2 stops32h 04mEmirates
토 1/1113:25DEN - KUL
2 stops42h 30mEmirates
Deal found 10/9RM 7,522
일 5/1022:50KUL - DEN
1 stop31h 35mBritish Airways
수 8/1012:29DEN - KUL
2 stops38h 51mBritish Airways
Deal found 10/9RM 7,974
토 4/1002:55KUL - DEN
2 stops34h 04mQatar Airways
수 8/1014:04DEN - KUL
2 stops34h 41mQatar Airways
Deal found 10/9RM 8,113

Cheapflights Fare Finder

 
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 407,431 searches and data was last updated on 12 9월 2025.
Use the filters below to find and compare flights to Boulder that are best for you.

Fly from

Kuala Lumpur

Route

Departure

Return

Price

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

일 5/10

14:15-19:40

2 stops43h 25m

Denver Intl

수 8/10

06:03-06:00

2 stops33h 57m

RM 4,978

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

토 25/10

07:15-00:29

2 stops31h 14m

Denver Intl

토 1/11

17:40-00:15

2 stops40h 35m

RM 5,409

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

금 24/10

02:15-20:19

2 stops32h 04m

Denver Intl

토 1/11

13:25-21:55

2 stops42h 30m

RM 7,522

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

일 5/10

22:50-16:25

1 stop31h 35m

Denver Intl

수 8/10

12:29-17:20

2 stops38h 51m

RM 7,974

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

토 4/10

02:55-22:59

2 stops34h 04m

Denver Intl

수 8/10

14:04-14:45

2 stops34h 41m

RM 8,113

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

화 16/9

00:10-21:22

3 stops35h 12m

RM 2,561

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

수 12/11

10:05-17:35

1 stop46h 30m

RM 2,822

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

수 12/11

10:15-11:05

2 stops39h 50m

RM 2,979

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

수 17/9

14:15-22:27

2 stops46h 12m

RM 2,987

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

수 12/11

21:50-16:26

3 stops33h 36m

RM 4,409

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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.

Cheapflights Insights

Everything you need to know about your flight to Boulder

When is the best time to book a flight to Boulder?

Use this chart to determine the optimal time to book a return flight from Kuala Lumpur to Boulder. Price data was last updated on 29 August 2025.

The price you pay for your flight to Boulder may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Boulder?

On average, a flight from Kuala Lumpur to Boulder takes 43 hours 11 minutes. Flights to Boulder from other popular cities in Malaysia 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 Kuala Lumpur to Boulder are United Airlines, ANA and Turkish Airlines.

United Airlines
United Airlines
From RM 884
ANA
ANA
From RM 1,071
Turkish Airlines
Turkish Airlines
From RM 1,066

What are the cheapest airlines that fly to Boulder?

The cheapest airlines flying from Kuala Lumpur to Boulder are United Airlines, Turkish Airlines and ANA.

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 12 9월 2025.
Get a feel of what it's like to fly with ANA, United Airlines, andTurkish Airlines to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
961 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very Good
961 reviews
ANA
8.4
Very Good
961 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,937 reviews
ANA
8.4
Very Good
961 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Turkish Airlines
7.3
Good
3,968 reviews
ANA
8.4
Very Good
961 reviews
Check prices

Crew

8.7

Boarding

8.6

Entertainment

7.9

Overall

8.4

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

FAQs about flying to Boulder

  • 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, United Airlines 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 RM 1,367, however they can be found for as little as RM 1,364.

  • 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

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