$351 Cheap Flights from Nantucket (ACK) to Aspen (ASE)

View $351 flight on Fri, Aug 14, 2026Opens in a new window

Popular airlines from Nantucket, MA (ACK-Nantucket Memorial) to Aspen/Pitkin County Airport (ASE)

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Cheap Flights from Nantucket to Aspen (ACK-ASE)

Prices were available within the past 7 days and start at $351 for one-way flights and $945 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$945 Roundtrip, found 3 days ago
$945
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $945 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$970 Roundtrip, found 3 days ago
$970
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $970 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$972 Roundtrip, found 3 days ago
$972
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $972 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,052 Roundtrip, found 3 days ago
$1,052
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,052 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,072 Roundtrip, found 3 days ago
$1,072
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,072 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,097 Roundtrip, found 3 days ago
$1,097
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,097 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,130 Roundtrip, found 3 days ago
$1,130
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,130 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,160 Roundtrip, found 3 days ago
$1,160
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,160 found 3 days ago
United
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,203 Roundtrip, found 3 days ago
$1,203
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,203 found 3 days ago
Cape Air
Fri, Jun 12 - Sat, Jun 20
ACK
Nantucket
ASE
Aspen
$1,284 Roundtrip, found 3 days ago
$1,284
Roundtrip
found 3 days ago
Select Cape Air flight, departing Fri, Jun 12 from Nantucket to Aspen, returning Sat, Jun 20, priced at $1,284 found 3 days ago

Frequently asked questions

How much does a flight from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) cost?
You can find cheap one-way flights from $351 and cheap return flights from $945 ACK to ASE with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when ACK to ASE ticket fares go up or down.
What is the cheapest month to fly from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
The cheapest month to fly from ACK to ASE is June 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
Enter ACK to ASE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
To find a cheap flight from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County), 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
The earliest flight from Nantucket, MA (ACK) to Aspen, CO (ASE) typically departs at around 6:50 AM local time, operated by 9K and American Airlines. This service operates seasonally in August, making it a great option for summer travelers. An early departure helps you maximize your time in Aspen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
Flying from ACK to ASE with a connection usually takes about 11 hours, traveling roughly 1,932 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
First class seats are offered on the ACK to ASE route with American Airlines.
How do I earn miles on a Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) flight with Expedia?
It's easy to earn miles on a Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) 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 Aspen from Nantucket Memorial (ACK)?
From Nantucket Memorial (ACK), you can fly into Pitkin County (ASE) to reach Aspen. Some flights may connect through major hubs like Logan Intl. (BOS), O'Hare Intl. (ORD), Liberty Intl. (EWR) before reaching Aspen. 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) at the last minute?
Typically, booking a last minute flight from Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) flight and hotel package?
Securing a Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) Aspen 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 Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County)?
If you booked your Nantucket, MA (ACK-Nantucket Memorial) to Aspen, CO (ASE-Pitkin County) 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
Nantucket Memorial
Destination airport
Pitkin County
Roundtrip price
$944
Distance
1931 mi

Book with confidence

Nantucket to Aspen Flights

The cheapest times to fly from Nantucket to Aspen

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 Nantucket to Aspen are during the month of June. You can find some of the cheapest flights from Nantucket to Aspen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nantucket to Aspen

Sunday is one of the best days to book for cheap flights from Nantucket to Aspen: 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 Nantucket to Aspen

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 Nantucket to Aspen in 2026. You can also book with separate airlines for your outbound and return journeys, from $351 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 Nantucket to Aspen 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 Nantucket to Aspen 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.

 

Nantucket to Aspen Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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