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 5,754, however they can be found for as little as RM 5,740.

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).

RM 2,454+ Cheap Flights to Boulder

Flights to Boulder in 2025

Return from	RM 3,549
One-way from	RM 2,454
Popular in	January
Cheapest in	October
Average price	RM 4,618

9/3-11/3
4 total stops
86h 34m total
Kuala Lumpur to Denver

Search Deals

2/11
3 total stops
54h 27m total
Kuala Lumpur to Boulder

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (RM 1,594 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (RM 309 potential savings vs. average return price).

Search Deals

Average for return flights in October 2025

Search Deals

Find flight deals to Boulder

Enter your travel dates to find the best prices.

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 28 October 2025.

Thu 30/1013:35KUL - DEN

2 stops37h 02mAir Canada

Thu 25/1219:05DEN - KUL

2 stops50h 30mAir Canada

Deal found 28/10RM 5,978

Thu 30/1016:50KUL - DEN

3 stops33h 47mMultiple Airlines

Thu 25/1219:05DEN - KUL

2 stops27h 20mMultiple Airlines

Deal found 28/10RM 7,127

Fri 12/1212:55KUL - DEN

2 stops26h 22mMultiple Airlines

Fri 19/1206:00DEN - KUL

2 stops38h 45mMultiple Airlines

Deal found 27/10RM 7,422

Thu 30/1019:55KUL - DEN

2 stops53h 10mQatar Airways

Thu 25/1207:00DEN - KUL

2 stops46h 40mQatar Airways

Deal found 28/10RM 7,540

Wed 10/1202:40KUL - DEN

2 stops34h 27mQatar Airways

Thu 18/1211:55DEN - KUL

2 stops29h 20mQatar Airways

Deal found 27/10RM 7,935

Thu 11/1208:05KUL - DEN

1 stop19h 05mUnited Airlines

Thu 18/1219:37DEN - KUL

2 stops37h 38mUnited Airlines

Deal found 27/10RM 8,596

Fri 12/1208:05KUL - DEN

1 stop19h 05mANA

Fri 19/1211:22DEN - KUL

2 stops28h 23mANA

Deal found 27/10RM 9,219

Thu 11/1223:45KUL - DEN

1 stop32h 50mTurkish Airlines

Thu 18/1219:20DEN - KUL

1 stop31h 00mTurkish Airlines

Deal found 27/10RM 9,506

Fri 12/1210:05KUL - DEN

1 stop46h 30mTurkish Airlines

Fri 19/1219:20DEN - KUL

1 stop31h 00mTurkish Airlines

Deal found 27/10RM 9,649

Best flights to Boulder
Discover carefully curated flight deals to Boulder that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 October 2025.

Mon 9/308:05KUL - DEN

2 stops40h 13mUnited Airlines

Wed 11/307:45DEN - KUL

2 stops26h 30mUnited Airlines

Deal found 27/10RM 4,294

Mon 9/310:05KUL - DEN

1 stop46h 30mMultiple Airlines

Wed 11/316:15DEN - KUL

2 stops26h 10mMultiple Airlines

Deal found 27/10RM 5,064

Sun 8/302:40KUL - DEN

2 stops33h 09mQatar Airways

Wed 11/312:35DEN - KUL

2 stops29h 40mQatar Airways

Deal found 27/10RM 5,456

Mon 9/323:20KUL - DEN

1 stop31h 10mBritish Airways

Wed 11/312:55DEN - KUL

2 stops38h 30mBritish Airways

Deal found 25/10RM 5,763

Thu 2/402:55KUL - DEN

2 stops31h 03mQatar Airways

Sun 12/418:52DEN - KUL

2 stops30h 18mQatar Airways

Deal found 27/10RM 6,167

Last-minute flights to Boulder
Discover last-minute flight deals to Boulder. Data last updated 28 October 2025 and is based on user searches.

Thu 30/1013:35KUL - DEN

2 stops37h 02mAir Canada

Thu 25/1219:05DEN - KUL

2 stops50h 30mAir Canada

Deal found 28/10RM 5,978

Thu 30/1016:50KUL - DEN

3 stops33h 47mMultiple Airlines

Thu 25/1219:05DEN - KUL

2 stops27h 20mMultiple Airlines

Deal found 28/10RM 7,127

Thu 30/1019:55KUL - DEN

2 stops53h 10mQatar Airways

Thu 25/1207:00DEN - KUL

2 stops46h 40mQatar Airways

Deal found 28/10RM 7,540

Thu 30/1023:05KUL - DEN

4 stops53h 42mEthiopian Air

Thu 25/1223:59DEN - KUL

3 stops50h 16mEthiopian Air

Deal found 28/10RM 10,609

Thu 30/1010:05KUL - DEN

1 stop70h 30mTurkish Airlines

Thu 25/1219:20DEN - KUL

1 stop43h 55mTurkish Airlines

Deal found 28/10RM 11,223

Thu 30/1008:05KUL - DEN

1 stop19h 05mANA

Thu 25/1207:47DEN - KUL

2 stops25h 28mANA

Deal found 28/10RM 11,838

One-way flights to Boulder
Search for one-way flight options to Boulder. Find affordable one-way fares based on user searches. Data last updated 28 October 2025.

Sun 2/1109:30KUL - DEN

3 stops54h 27mMultiple Airlines

Deal found 27/10RM 2,454

Wed 12/1110:05KUL - DEN

1 stop46h 30mTurkish Airlines

Deal found 26/10RM 2,816

Wed 12/1111:45KUL - DEN

2 stops45h 58mPhilippine Airlines

Deal found 28/10RM 2,829

Wed 12/1110:15KUL - DEN

2 stops39h 50mQatar Airways

Deal found 27/10RM 2,972

Sun 2/1108:05KUL - DEN

1 stop19h 05mUnited Airlines

Deal found 27/10RM 4,513

Fly from

Route

Departure

Return

Price

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Mon 9/3

08:05-10:18

2 stops40h 13m

Denver Intl

Wed 11/3

07:45-00:15

2 stops26h 30m

RM 4,294

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Mon 9/3

10:05-18:35

1 stop46h 30m

Denver Intl

Wed 11/3

16:15-08:25

2 stops26h 10m

RM 5,064

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Sun 8/3

02:40-21:49

2 stops33h 09m

Denver Intl

Wed 11/3

12:35-08:15

2 stops29h 40m

RM 5,456

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Mon 9/3

23:20-16:30

1 stop31h 10m

Denver Intl

Wed 11/3

12:55-17:25

2 stops38h 30m

RM 5,763

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Thu 2/4

02:55-19:58

2 stops31h 03m

Denver Intl

Sun 12/4

18:52-15:10

2 stops30h 18m

RM 6,167

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Sun 2/11

09:30-01:57

3 stops54h 27m

RM 2,454

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Wed 12/11

10:05-17:35

1 stop46h 30m

RM 2,816

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Wed 12/11

11:45-18:43

2 stops45h 58m

RM 2,829

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Sun 2/11

08:05-13:10

1 stop19h 05m

RM 4,513

Kuala LumpurDenver

KUL - DEN

KULDEN

Kuala Lumpur Intl

Wed 12/11

20:30-16:26

3 stops34h 56m

RM 4,765

Flights are sorted by cheapest return flights first.

Deals found on 27/10

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

How long is the flight to Boulder?

On average, a flight from Kuala Lumpur to Boulder takes 26 hours 22 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.

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

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

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 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

994 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

ANA

8.4

Very Good

994 reviews

ANA

8.4

Very Good

994 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

United Airlines

7.4

Good

9,000 reviews

ANA

8.4

Very Good

994 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Turkish Airlines

7.3

Good

4,030 reviews

ANA

8.4

Very Good

994 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Air Canada

7.1

Good

10,371 reviews

ANA

8.4

Very Good

994 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Julie,Sept 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

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 5,754, however they can be found for as little as RM 5,740.
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

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How does Cheapflights help users find flights to Boulder?

When you search for this flight to Boulder, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Boulder for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Boulder with no change fees?

Yes! Cheapflights helps users easily find flights to Boulder with no change fees.

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!

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RM 2,454+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

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 28 October 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Boulder

Cheapest flights to BoulderExplore the most affordable flight options available to Boulder. Find the lowest fares based on data from user searches, with prices last updated on 28 October 2025.

Explore the most affordable flight options available to Boulder. Find the lowest fares based on data from user searches, with prices last updated on 28 October 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights to Boulder that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight to Boulder

How long is the flight to Boulder?

What are the most popular airlines that fly to Boulder?

What are the cheapest airlines that fly to Boulder?

Rainfall in Boulder by month

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

Temperature in Boulder by month

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

Reviews of airlines servicing Boulder

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.

FAQs about flying to Boulder

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

What is the best airline to fly to Boulder?

How much is a return flight to Boulder?

Does Denver Intl have rental cars?

Are there hotels close to Denver Intl?

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.

Search flights to Boulder by cabin class

Find flights to Boulder, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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?

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

Can Cheapflights find flights to Boulder with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 28 October 2025.