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$362+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACK
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from Colorado to Nantucket

Best flights from Colorado to Nantucket
Discover carefully curated flight deals from Colorado to Nantucket that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2025.

This JetBlue deal was found by Cheapflights users on 10/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1211:59 pmDEN - ACK
1 stop8h 46mJetBlue
Sun 2/154:54 pmACK - DEN
1 stop8h 10mJetBlue
Deal found 10/13$784

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(JetBlue)

Popular in

June

Cheapest in

January

Average price

$317
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
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 14, 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

Thu 2/12

11:59 pm-10:45 am

1 stop8h 46m

Nantucket Memorial

Sun 2/15

4:54 pm-11:04 pm

1 stop8h 10m

$784

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Tue 10/21

6:29 pm-7:41 am

3 stops59h 12m

$362

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Tue 10/21

11:59 pm-4:59 pm

2 stops15h 00m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 $174). 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.

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 October 14, 2025.

When flying from Colorado to Nantucket, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

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.

  • How long is the flight from Colorado to Nantucket?

    Departing from Colorado to Nantucket will take you 8h 46m. Airlines will cover a distance of 1806 mi.

  • 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.

  • 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 $174). 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$396FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$230Average$407FlexibilityNo cancel feeOn-time62%

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