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$1,185+ 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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
19 Apr — 26 Apr1
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 14 April 2025.

Return from

$2,090

One-way from

$1,185

Popular in

July

Cheapest in

November

Average price

$2,120
Air Canada
  • Air Canada
  • 13/8-22/8
  • 3 total stops
  • 46h 05m total
  • Auckland to Denver
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Qantas Airways
  • Qantas Airways
  • 27/6
  • 2 total stops
  • 34h 24m total
  • Auckland to Boulder
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($362 potential increase over avg. return 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 April 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 14 April 2025.

Mon 27/1007:00AKL - DEN
2 stops28h 33mAir Canada
Mon 10/1119:05DEN - AKL
2 stops26h 15mAir Canada
Deal found 13/4$2,080
Wed 13/815:55AKL - DEN
2 stops42h 45mMultiple Airlines
Fri 22/819:05DEN - AKL
2 stops26h 00mMultiple Airlines
Deal found 13/4$2,101
Wed 28/519:40AKL - DEN
1 stop28h 52mUnited Airlines
Wed 4/617:47DEN - AKL
1 stop18h 13mUnited Airlines
Deal found 13/4$2,228
Mon 27/1013:50AKL - DEN
1 stop28h 08mDelta
Mon 10/1119:15DEN - AKL
1 stop17h 40mDelta
Deal found 13/4$2,246
Sun 11/506:00AKL - DEN
2 stops24h 13mQantas Airways
Fri 16/518:33DEN - AKL
2 stops25h 37mQantas Airways
Deal found 13/4$2,267
Sun 11/522:00AKL - DEN
1 stop26h 38mAir New Zealand
Fri 16/515:51DEN - AKL
1 stop20h 09mAir New Zealand
Deal found 13/4$2,312
Fri 21/1101:20AKL - DEN
2 stops32h 09mSingapore Airlines
Sun 30/1107:58DEN - AKL
3 stops43h 37mSingapore Airlines
Deal found 13/4$4,651
Wed 28/520:30AKL - DEN
2 stops43h 59mEmirates
Wed 4/611:41DEN - AKL
2 stops52h 09mEmirates
Deal found 13/4$4,934

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 14 April 2025.
Use the filters below to find and compare flights to Boulder that are best for you.

Fly from

Auckland

Route

Departure

Return

Price

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Wed 13/8

19:45-20:05

1 stop18h 20m

Denver Intl

Fri 22/8

19:05-16:50

2 stops27h 45m

$2,090

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Wed 13/8

15:55-16:40

2 stops42h 45m

Denver Intl

Fri 22/8

19:05-15:05

2 stops26h 00m

$2,101

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Wed 28/5

19:40-06:45

2 stops29h 05m

Denver Intl

Wed 4/6

08:02-06:00

1 stop27h 58m

$2,228

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sun 11/5

06:00-12:13

2 stops24h 13m

Denver Intl

Fri 16/5

18:33-14:10

2 stops25h 37m

$2,267

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Sun 11/5

22:00-06:38

1 stop26h 38m

Denver Intl

Fri 16/5

15:51-06:00

1 stop20h 09m

$2,312

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Wed 28/5

20:30-22:29

2 stops43h 59m

Denver Intl

Wed 4/6

11:41-09:50

2 stops52h 09m

$4,934

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 27/6

06:45-23:09

2 stops34h 24m

$1,185

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 27/6

13:25-21:42

3 stops26h 17m

$1,351

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Fri 27/6

20:15-21:50

1 stop19h 35m

$1,938

AucklandDenver

AKL - DEN

AKLDEN

Auckland Intl

Mon 23/6

13:50-19:40

2 stops23h 50m

$5,542

Flights are sorted by cheapest return flights first.

Deals found on 13/4

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 Auckland to Boulder. Price data was last updated on 11 April 2025.

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 19 hours 9 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 $1,013

United Airlines

United Airlines

From $785

Qantas Airways

Qantas Airways

From $886

Air Canada

Air Canada

From $561

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

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 14 April 2025.
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very Good
3,195 reviews
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Air New Zealand
8.0
Very Good
464 reviews
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Qantas Airways
7.5
Good
818 reviews
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
United Airlines
7.4
Good
8,649 reviews
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Air Canada
7.0
Good
9,114 reviews
Emirates
8.0
Very Good
3,195 reviews
Check prices

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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, Auckland Intl offers the quickest one-way flight (19 hours 9 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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