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Nantucket

$794+ Cheap flights from Colorado to Nantucket (ACK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACK
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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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 December 1, 2025.

This JetBlue deal was found by Cheapflights users on 11/28. 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.
Sat 12/1311:59 pmDEN - ACK
1 stop7h 26mJetBlue
Thu 12/184:04 pmACK - DEN
1 stop7h 33mJetBlue
Deal found 11/28$794
This Expedia deal was found by Cheapflights users on 11/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:59 pmDEN - ACK
1 stop7h 26mJetBlue
Fri 12/1911:30 amACK - DEN
1 stop12h 07mJetBlue
Deal found 11/30$844

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 December 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$794
(JetBlue)

Popular in

July

Cheapest in

January

Average price

$327
Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.
Search Deals
From Colorado to Nantucket Memorial
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($23 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 December 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 December 1, 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

Tue 12/16

11:59 pm-9:25 am

1 stop7h 26m

Nantucket Memorial

Sat 12/20

4:04 pm-9:37 pm

1 stop7h 33m

$794

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Sat 12/13

11:59 pm-9:25 am

1 stop7h 26m

Nantucket Memorial

Thu 12/18

4:04 pm-9:37 pm

1 stop7h 33m

$794

DenverNantucket

DEN - ACK

DENACK

Denver Intl

Mon 12/15

11:59 pm-9:25 am

1 stop7h 26m

Nantucket Memorial

Fri 12/19

11:30 am-9:37 pm

1 stop12h 07m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

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 December 1, 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 7h 26m. Airlines will cover a distance of 1806 mi.

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

    Most travelers choose Aspen Pitkin County - Nantucket Memorial, Colorado Springs - Nantucket Memorial or Grand Junction Regnl - 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$396FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$157Average$421FlexibilityNo cancel feeOn-time62%

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