Find flights
Airlines

$835+ 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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Return from

$1,453

One-way from

$835

Popular in

October

Cheapest in

November

Average price

$1,835
21/3-24/3
  • 21/3-24/3
  • 4 total stops
  • 63h 18m total
  • Auckland to Denver
Search Deals
Qantas Airways
  • Qantas Airways
  • 19/7
  • 2 total stops
  • 33h 25m total
  • Auckland to Boulder
Search Deals
Highest demand for flights based on searches. 1% potential increase in price.
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($39 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 20 February 2025.

Fri 21/306:25AKL - DEN
2 stops34h 28mMultiple Airlines
Mon 24/318:00DEN - AKL
2 stops28h 50mMultiple Airlines
Deal found 19/2$1,453
Fri 21/313:00AKL - DEN
2 stops22h 39mAir Canada
Mon 24/315:40DEN - AKL
2 stops23h 20mAir Canada
Deal found 19/2$1,474
Thu 20/307:30AKL - DEN
2 stops25h 16mQantas Airways
Thu 27/314:36DEN - AKL
2 stops28h 29mQantas Airways
Deal found 19/2$1,623
Thu 24/415:15AKL - DEN
2 stops39h 31mAir Tahiti Nui
Tue 29/413:18DEN - AKL
2 stops28h 52mAir Tahiti Nui
Deal found 19/2$2,110
Wed 23/419:40AKL - DEN
2 stops31h 24mUnited Airlines
Sun 27/407:45DEN - AKL
1 stop27h 45mUnited Airlines
Deal found 19/2$2,377
Thu 20/323:55AKL - DEN
3 stops51h 34mAir China
Thu 27/313:25DEN - AKL
3 stops46h 15mAir China
Deal found 19/2$3,719
Thu 20/300:55AKL - DEN
3 stops36h 23mSingapore Airlines
Mon 24/319:57DEN - AKL
2 stops46h 23mSingapore Airlines
Deal found 19/2$5,294
Sat 19/419:40AKL - DEN
1 stop38h 55mAir New Zealand
Wed 30/418:05DEN - AKL
1 stop17h 55mAir New Zealand
Deal found 19/2$8,750

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 134,765 searches and data was last updated on 20 February 2025.

Fly from

Auckland

Route

Departure

Return

Price

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 21/3

06:25-21:53

2 stops34h 28m

Denver Intl

Mon 24/3

18:00-17:50

2 stops28h 50m

$1,453

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 21/3

13:00-16:39

2 stops22h 39m

Denver Intl

Mon 24/3

15:40-10:00

2 stops23h 20m

$1,474

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 20/3

07:30-13:46

2 stops25h 16m

Denver Intl

Thu 27/3

14:36-14:05

2 stops28h 29m

$1,623

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 24/4

15:15-12:46

2 stops39h 31m

Denver Intl

Tue 29/4

13:18-12:10

2 stops28h 52m

$2,110

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Wed 23/4

19:40-09:04

2 stops31h 24m

Denver Intl

Sun 27/4

07:45-05:30

1 stop27h 45m

$2,377

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 20/3

23:55-08:29

3 stops51h 34m

Denver Intl

Thu 27/3

13:25-06:40

3 stops46h 15m

$3,719

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Thu 20/3

00:55-18:18

3 stops36h 23m

Denver Intl

Mon 24/3

19:57-13:20

2 stops46h 23m

$5,294

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sat 19/4

19:40-16:35

1 stop38h 55m

Denver Intl

Wed 30/4

18:05-06:00

1 stop17h 55m

$8,750

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sat 19/7

06:00-21:25

2 stops33h 25m

$835

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sat 19/7

19:40-08:56

1 stop31h 16m

$1,015

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 12 results
1
2

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.

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 14 February 2025.

To ensure you get the cheapest price possible for a flight to Boulder, you should look to book at least 73 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 20 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?

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

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

Air New Zealand

From $1,033

United Airlines

United Airlines

From $785

Qantas Airways

Qantas Airways

From $927

Air Canada

Air Canada

From $855

What are the cheapest airlines that fly to Boulder?

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

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 20 February 2025.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very Good
1,301 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air New Zealand
7.9
Good
461 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Qantas Airways
7.4
Good
815 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

United Airlines
7.4
Good
8,765 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Crew

9.1

Overall

8.7

Boarding

8.7

Entertainment

7.2

Comfort

8.0

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

  • 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 $663, however they can be found for as little as $663.

  • Where does the fastest flight to Boulder depart from?

    For those looking to save time traveling to Boulder, Auckland Intl offers the quickest one-way flight (23 hours 20 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

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.
First Class
Business Class
Prem Econ Class
Economy 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?

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.

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

Yes! Start tracking prices for Boulder flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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.