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$255+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACK
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$674
(Priceline)

One-way from

$255
(JetBlue)

Popular in

June

Cheapest in

January

Average price

$239
Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.
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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. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This JetBlue deal was found by Cheapflights users on 1/14. 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.
Tue 8/1111:59 pm
DEN
-
ACK
1 stop9h 49m
JetBlue
Sat 8/154:18 pm
ACK
-
DEN
1 stop8h 43m
JetBlue
Deal found 1/14$319
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Tue 8/1111:40 pm
DEN
-
ACK
1 stop8h 16m
United Airlines
Sat 8/154:32 pm
ACK
-
DEN
1 stop8h 46m
United Airlines
Deal found 1/13$567
This Priceline deal was found by Cheapflights users on 1/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:13 pm
DEN
-
ACK
1 stop8h 12m
Multiple Airlines
Thu 3/122:45 pm
ACK
-
DEN
1 stop8h 59m
Multiple Airlines
Deal found 1/15$674
This United Airlines deal was found by Cheapflights users on 1/14. 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.
Tue 8/255:30 am
GJT
-
ACK
2 stops31h 58m
United Airlines
Sat 8/294:32 pm
ACK
-
GJT
2 stops31h 38m
United Airlines
Deal found 1/14$915
This United Airlines deal was found by Cheapflights users on 1/12. 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 8/281:20 pm
GJT
-
ACK
2 stops23h 05m
United Airlines
Sat 8/294:32 pm
ACK
-
GJT
2 stops20h 23m
United Airlines
Deal found 1/12$923

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 January 15, 2026.
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

Tue 3/10

11:13 pm-9:25 am

1 stop8h 12m

Nantucket Memorial

Thu 3/12

2:45 pm-9:44 pm

1 stop8h 59m

$674

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Wed 4/22

11:08 pm-9:25 am

1 stop8h 17m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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 month to book a flight from Colorado to Nantucket?

Currently, January is the cheapest month in which you can book a flight from Colorado to Nantucket (average of $98). Flying from Colorado to Nantucket in June is currently the most expensive (average of $173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Delta, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from JetBlue and United 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 Colorado Springs - Nantucket Memorial, Grand Junction Regnl - Nantucket Memorial or Aspen Pitkin County - 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.

  • What is the cheapest month to book a flight from Colorado to Nantucket?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Nantucket (average of $98). Flying from Colorado to Nantucket in June is currently the most expensive (average of $173). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Colorado to Nantucket

Discover the top 2 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$388FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$157Average$407FlexibilityNo cancel feeOn-time62%

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