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Nantucket

$131+ Cheap flights from Colorado to Nantucket (ACK)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACK
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Colorado to Nantucket

Keep the following information in mind while searching for Colorado to Nantucket flight deals. Data was last updated July 3, 2025.

Round-trip from

$230
(JetBlue)

One-way from

$131
(Expedia)

Popular in

June

Cheapest in

January

Average price

$342
From Colorado to Nantucket Memorial
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One-way flight from Colorado to Nantucket Memorial
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Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Colorado to Nantucket

Cheapest flights from Colorado to Nantucket
Explore the most affordable flight options available from Colorado to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This JetBlue deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:39 pmDEN - ACK
1 stop9h 50mJetBlue
Sat 8/304:48 pmACK - DEN
1 stop8h 08mJetBlue
Deal found 7/3$230
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:22 amDEN - ACK
1 stop7h 53mAmerican Airlines
Tue 8/264:25 pmACK - DEN
1 stop7h 30mAmerican Airlines
Deal found 7/1$246
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:25 amDEN - ACK
1 stop7h 44mDelta
Wed 8/273:26 pmACK - DEN
1 stop9h 23mDelta
Deal found 7/2$250
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/811:54 pmDEN - ACK
1 stop8h 54mUnited Airlines
Sat 8/164:00 pmACK - DEN
1 stop9h 29mUnited Airlines
Deal found 7/1$358
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:27 amCOS - ACK
2 stops8h 19mAmerican Airlines
Sat 8/3011:57 amACK - COS
2 stops8h 23mAmerican Airlines
Deal found 6/30$433
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:00 amGJT - ACK
2 stops8h 46mAmerican Airlines
Sat 8/3011:57 amACK - GJT
2 stops11h 04mAmerican Airlines
Deal found 7/1$469
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:03 pmASE - ACK
2 stops21h 51mAmerican Airlines
Sat 8/305:45 pmACK - ASE
1 stop20h 01mAmerican Airlines
Deal found 7/1$593
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:42 amMTJ - ACK
2 stops23h 12mAmerican Airlines
Tue 8/265:16 pmACK - MTJ
2 stops42h 44mAmerican Airlines
Deal found 6/30$748
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/183:30 pmMTJ - ACK
2 stops17h 18mUnited Airlines
Tue 7/2211:53 amACK - MTJ
2 stops10h 58mUnited Airlines
Deal found 7/3$941

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Nantucket that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Colorado to Nantucket that are best for you.

Fly from

Colorado

Fly to

Nantucket

Route

Depart

Return

Price

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Wed 8/20

10:39 pm-10:29 am

1 stop9h 50m

Nantucket Memorial

Sat 8/30

4:48 pm-10:56 pm

1 stop8h 08m

$230

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Sat 8/23

7:22 am-5:15 pm

1 stop7h 53m

Nantucket Memorial

Tue 8/26

4:25 pm-9:55 pm

1 stop7h 30m

$246

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Tue 8/26

6:25 am-4:09 pm

1 stop7h 44m

Nantucket Memorial

Wed 8/27

3:26 pm-10:49 pm

1 stop9h 23m

$250

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Fri 8/8

11:54 pm-10:48 am

1 stop8h 54m

Nantucket Memorial

Sat 8/16

4:00 pm-11:29 pm

1 stop9h 29m

$358

Colorado SpringsNantucket

COS - ACK

COSACK

Colorado Springs

Tue 8/26

6:27 am-4:46 pm

2 stops8h 19m

Nantucket Memorial

Sat 8/30

11:57 am-6:20 pm

2 stops8h 23m

$433

Grand JunctionNantucket

GJT - ACK

GJTACK

Grand Junction Regnl

Tue 8/26

6:00 am-4:46 pm

2 stops8h 46m

Nantucket Memorial

Sat 8/30

11:57 am-9:01 pm

2 stops11h 04m

$469

AspenNantucket

ASE - ACK

ASEACK

Aspen Pitkin County

Tue 8/26

12:03 pm-11:54 am

2 stops21h 51m

Nantucket Memorial

Sat 8/30

5:45 pm-11:46 am

1 stop20h 01m

$593

MontroseNantucket

MTJ - ACK

MTJACK

Montrose County

Mon 8/25

10:42 am-11:54 am

2 stops23h 12m

Nantucket Memorial

Tue 8/26

5:16 pm-10:00 am

2 stops42h 44m

$748

MontroseNantucket

MTJ - ACK

MTJACK

Montrose County

Fri 7/18

3:30 pm-10:48 am

2 stops17h 18m

Nantucket Memorial

Tue 7/22

11:53 am-8:51 pm

2 stops10h 58m

$941

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Sat 8/2

10:39 pm-10:29 am

1 stop9h 50m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 14 results
1
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Best time to book a flight from Colorado to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Colorado with our price prediction graph.
Estimated round-trip 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 from Colorado to Nantucket

What is the cheapest time of day to fly from CO to ACK?

Find hourly flight availability from Colorado to Nantucket. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Nantucket as you normally would.

Reviews of airlines servicing Nantucket

Get insights into the airlines that provide service to Nantucket. 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 Nantucket. Reviews last updated July 3, 2025.
See what other customers who have flown with Delta, United Airlines, and JetBlue from Colorado to Nantucket have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Colorado to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Nantucket from Colorado?

    If you book a flight to Nantucket from Colorado, you will be flying to Memorial, which is the city’s only airport. Nantucket Memorial (ACK) is located 2.8 mi from the center of Nantucket.

  • What are the cheapest airlines to fly from Colorado to Nantucket one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $131. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Colorado to Nantucket for a low price.

  • What are the most popular routes from Colorado to Nantucket?

    Most travelers choose Denver Intl - Nantucket Memorial, Aspen Pitkin County - Nantucket Memorial or Colorado Springs - Nantucket Memorial when deciding on the best route from Colorado to Nantucket.

  • Can I find deals for flights from Colorado to Nantucket that include hotel bookings?

    Yes. In addition to deals on Colorado to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Nantucket?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Nantucket.

  • Can I find deals for business class flights from Colorado to Nantucket?

    Yes. Cheapflights offers flight deals from Colorado to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 3 airlines flying from Colorado to Nantucket

Discover the top 3 airlines that operate flights from Colorado to Nantucket. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$166Average$506FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$231Average$549FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$525Average$681FlexibilityNo cancel feeOn-time69%

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