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.

Where does the fastest flight to Boulder depart from?

For those looking to save time traveling to Boulder, Gisborne offers the quickest one-way flight (19 hours 15 minutes).

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).

$775+ Flights to Boulder

Flights to Boulder in 2025

Return from	$1,507
One-way from	$963
Popular in	July
Cheapest in	November
Average price	$1,804

22/4-9/5
4 total stops
79h 39m total
Auckland to Denver

Search Deals

19/7
2 total stops
52h 10m total
Auckland to Boulder

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($333 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($37 potential savings vs. average return price).

Search Deals

Average for return flights in March 2025

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 25 March 2025.

Sat 22/1119:55AKL - DEN

1 stop24h 04mAir Canada

Sun 30/1111:20DEN - AKL

2 stops27h 40mAir Canada

Deal found 25/3$1,586

Thu 1/513:55AKL - DEN

2 stops27h 22mMultiple Airlines

Sat 17/522:53DEN - AKL

1 stop37h 07mMultiple Airlines

Deal found 24/3$2,169

Mon 27/1013:50AKL - DEN

1 stop16h 43mDelta

Mon 10/1112:59DEN - AKL

1 stop23h 56mDelta

Deal found 24/3$2,247

Fri 9/506:00AKL - DEN

2 stops28h 00mQantas Airways

Fri 16/520:20DEN - AKL

2 stops23h 45mQantas Airways

Deal found 25/3$2,270

Fri 9/519:45AKL - DEN

2 stops31h 21mUnited Airlines

Fri 16/517:55DEN - AKL

1 stop18h 05mUnited Airlines

Deal found 25/3$2,289

Fri 9/522:00AKL - DEN

1 stop26h 38mAir New Zealand

Fri 16/517:55DEN - AKL

1 stop18h 05mAir New Zealand

Deal found 25/3$2,305

Fri 21/1101:20AKL - DEN

2 stops32h 09mSingapore Airlines

Sun 30/1107:58DEN - AKL

2 stops43h 37mSingapore Airlines

Deal found 25/3$5,094

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 25 March 2025.

Tue 22/408:00AKL - DEN

2 stops33h 09mMultiple Airlines

Fri 9/520:10DEN - AKL

2 stops46h 30mMultiple Airlines

Deal found 25/3$1,507

Thu 1/506:10AKL - DEN

2 stops27h 54mQantas Airways

Sat 17/520:20DEN - AKL

2 stops23h 45mQantas Airways

Deal found 25/3$2,259

Thu 1/519:40AKL - DEN

1 stop22h 18mAir New Zealand

Sat 17/519:22DEN - AKL

1 stop40h 08mAir New Zealand

Deal found 25/3$2,268

Thu 1/520:15AKL - DEN

2 stops28h 44mUnited Airlines

Sat 17/521:21DEN - AKL

1 stop38h 39mUnited Airlines

Deal found 25/3$2,279

Fri 18/406:00AKL - DEN

2 stops28h 04mAmerican Airlines

Sat 3/520:19DEN - AKL

2 stops23h 51mAmerican Airlines

Deal found 25/3$3,046

Last-minute flights to Boulder
Discover last-minute flight deals to Boulder. Data last updated 25 March 2025 and is based on user searches.

Mon 31/314:50AKL - DEN

1 stop25h 44mUnited Airlines

Fri 4/420:55DEN - AKL

1 stop39h 05mUnited Airlines

Deal found 24/3$2,511

Mon 31/306:00AKL - DEN

2 stops25h 51mQantas Airways

Fri 4/418:40DEN - AKL

2 stops25h 30mQantas Airways

Deal found 24/3$2,516

Mon 31/313:25AKL - DEN

3 stops27h 45mMultiple Airlines

Fri 4/414:45DEN - AKL

2 stops27h 55mMultiple Airlines

Deal found 24/3$2,982

Fri 18/419:40AKL - DEN

2 stops33h 01mUnited Airlines

Sat 3/521:21DEN - AKL

1 stop38h 39mUnited Airlines

Deal found 24/3$2,441

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 25 March 2025.

Sat 19/709:20AKL - DEN

2 stops52h 10mMultiple Airlines

Deal found 25/3$963

Sat 19/719:40AKL - DEN

1 stop21h 07mAir New Zealand

Deal found 25/3$1,150

Fri 27/606:00AKL - DEN

2 stops35h 09mQantas Airways

Deal found 25/3$1,209

Mon 23/613:50AKL - DEN

2 stops18h 29mUnited Airlines

Deal found 25/3$5,082

Cheapflights Fare Finder

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

Fly from

Route

Departure

Return

Price

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 1/5

13:55-23:17

2 stops27h 22m

Denver Intl

Sat 17/5

22:53-06:00

1 stop37h 07m

$2,169

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 1/5

07:30-13:49

2 stops24h 19m

Denver Intl

Sat 17/5

20:20-14:05

2 stops23h 45m

$2,256

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 9/5

22:00-06:38

1 stop26h 38m

Denver Intl

Fri 16/5

17:55-06:00

1 stop18h 05m

$2,305

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 18/4

19:40-10:41

2 stops33h 01m

Denver Intl

Sat 3/5

21:21-06:00

1 stop38h 39m

$2,441

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 1/5

13:55-23:17

2 stops27h 22m

$775

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 23/5

19:45-22:41

1 stop20h 56m

$794

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 22/5

19:40-23:45

1 stop22h 05m

$1,110

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 27/6

06:10-23:09

2 stops34h 59m

$1,209

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sun 13/4

23:55-18:20

3 stops36h 25m

$3,322

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Mon 23/6

13:50-14:19

2 stops18h 29m

$5,082

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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.

Cheapflights Insights

Everything you need to know about your flight to Boulder

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

To ensure you get the cheapest price possible for a flight to Boulder, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Boulder?

On average, a flight from Auckland to Boulder takes 23 hours 43 minutes. Flights to Boulder from other popular cities in New Zealand will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Boulder?

Users looking for the lowest fares to Boulder should consider flying on Wednesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Boulder?

The most popular airlines flying from Auckland to Boulder are Air New Zealand, United Airlines and Qantas Airways.

Air New Zealand

From $1,013

United Airlines

From $809

Qantas Airways

From $886

Air Canada

From $734

What are the cheapest airlines that fly to Boulder?

The cheapest airlines flying from Auckland to Boulder are Air Canada, United Airlines and Qantas Airways.

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

Read reviews from past customers who have flown Air New Zealand, Qantas Airways and United Airlines to Boulder. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

7.9

Good

455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

Air New Zealand

7.9

Good

455 reviews

Air New Zealand

7.9

Good

455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

Qantas Airways

7.5

Good

811 reviews

Air New Zealand

7.9

Good

455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

United Airlines

7.4

Good

8,605 reviews

Air New Zealand

7.9

Good

455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

American Airlines

7.2

Good

10,000 reviews

Air New Zealand

7.9

Good

455 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

SFO - CHC

Wifi was $20 for the whole flight--way too expensive! On a similar flight operated by Air New Zealand, wifi was free, and it should be included in the ticket price.

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, Air Canada is rated the highest out of the airlines that fly to Boulder.
Where does the fastest flight to Boulder depart from?
For those looking to save time traveling to Boulder, Gisborne offers the quickest one-way flight (19 hours 15 minutes).
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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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?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Boulder, users can toggle the no change fees filter when performing a flight search.

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$775+ 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 1/5. 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 134,765 searches and data was last updated on 25 March 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 25 March 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 25 March 2025.

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 134,765 searches and data was last updated on 25 March 2025.

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

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 Auckland to Boulder. Price data was last updated on 21 March 2025.

How long is the flight to Boulder?

When is the cheapest time to fly to Boulder?

Use this chart to determine the cheapest time to fly return from Auckland to Boulder. Price data was last updated on 16 December 2024.

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

Read reviews from past customers who have flown Air New Zealand, Qantas Airways and United Airlines to Boulder. You can also see how each airline compares 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?

Where does the fastest flight to Boulder depart from?

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?

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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 25 March 2025.