$114 Cheap Flights from Denver (DEN) to Nantucket (ACK)

View $114 flight on Tue, Jul 21, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Nantucket, MA (ACK-Nantucket Memorial)

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Cheap Flights from Denver to Nantucket (DEN-ACK)

Prices were available within the past 7 days and start at $114 for one-way flights and $252 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Aug 4 - Thu, Aug 20
DEN
Denver
ACK
Nantucket
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Aug 4 from Denver to Nantucket, returning Thu, Aug 20, priced at $252 found 6 days ago
JetBlue Airways
Tue, Aug 4 - Thu, Aug 20
DEN
Denver
ACK
Nantucket
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Aug 4 from Denver to Nantucket, returning Thu, Aug 20, priced at $253 found 6 days ago
Delta
Sun, May 24 - Tue, Jun 2
DEN
Denver
ACK
Nantucket
$267 Roundtrip, found 5 days ago
$267
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, May 24 from Denver to Nantucket, returning Tue, Jun 2, priced at $267 found 5 days ago
Delta
Sun, May 24 - Wed, May 27
DEN
Denver
ACK
Nantucket
$273 Roundtrip, found 5 days ago
$273
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, May 24 from Denver to Nantucket, returning Wed, May 27, priced at $273 found 5 days ago
JetBlue Airways
Tue, Aug 4 - Thu, Aug 20
DEN
Denver
ACK
Nantucket
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Aug 4 from Denver to Nantucket, returning Thu, Aug 20, priced at $277 found 6 days ago
American Airlines
Wed, Aug 26 - Mon, Aug 31
DEN
Denver
ACK
Nantucket
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 26 from Denver to Nantucket, returning Mon, Aug 31, priced at $287 found 5 days ago
JetBlue Airways
Tue, Aug 11 - Fri, Aug 21
DEN
Denver
ACK
Nantucket
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Aug 11 from Denver to Nantucket, returning Fri, Aug 21, priced at $293 found 4 days ago
JetBlue Airways
Tue, Aug 4 - Thu, Aug 20
DEN
Denver
ACK
Nantucket
$293 Roundtrip, found 6 days ago
$293
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Aug 4 from Denver to Nantucket, returning Thu, Aug 20, priced at $293 found 6 days ago
JetBlue Airways
Thu, Aug 27 - Tue, Sep 1
DEN
Denver
ACK
Nantucket
$298 Roundtrip, found 4 days ago
$298
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Aug 27 from Denver to Nantucket, returning Tue, Sep 1, priced at $298 found 4 days ago
United
Sat, May 23 - Wed, May 27
DEN
Denver
ACK
Nantucket
$348 Roundtrip, found 3 days ago
$348
Roundtrip
found 3 days ago
Select United flight, departing Sat, May 23 from Denver to Nantucket, returning Wed, May 27, priced at $348 found 3 days ago

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Alternative airports near Nantucket

Prices were available within the past 7 days. Prices and availability are subject to change.

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Find the cheapest month to fly from Denver (DEN) to Nantucket (ACK)

August is typically the cheapest month to fly

From $230 - $688 per traveler.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) cost?
You can find cheap one-way flights from $114 and cheap return flights from $252 Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) with Expedia. One-way flights usually range from $377 to $2057, and return flights typically cost between $682 and $1898. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The cheapest month to fly from DEN to ACK is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
Enter DEN to ACK and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The earliest flight from Denver (DEN) to Nantucket (ACK) usually leaves at around 12:50 AM, operated by Delta. This is a seasonal service active in October, and an early flight can help you enjoy more time on the island. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
The most popular departure times for flights from Denver (DEN) to Nantucket (ACK) are in the morning, from 6am to 9am. About 46% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Airlines, and United Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Nantucket with plenty of time to enjoy the day.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
Flying from DEN to ACK with a connection usually takes about 8 hours 50 minutes, traveling roughly 1,808 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
You can fly first class between DEN and ACK. First class cabins are available on:

  • United Airlines
  • American Airlines
  • Delta Air Lines

How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Nantucket from Denver Intl. (DEN)?
If you're planning to travel to Nantucket from Denver Intl. (DEN), you can fly into Nantucket Memorial (ACK) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW) before reaching Nantucket. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) Nantucket Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial)?
If you booked your Denver, CO (DEN-Denver Intl.) to Nantucket, MA (ACK-Nantucket Memorial) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Nantucket Memorial
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$252
Distance
1807 mi

Book with confidence

Denver to Nantucket Flights

The cheapest times to fly from Denver to Nantucket

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Nantucket are during the month of August. You can find some of the cheapest flights from Denver to Nantucket with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Nantucket

Sunday is one of the best days to book for cheap flights from Denver to Nantucket: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Nantucket

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Nantucket in 2026. You can also book with separate airlines for your outbound and return journeys, from $114 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Nantucket flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Nantucket airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Nantucket Flights

*Flight schedules are subject to change.

*Available to One Key members.