The cheapest times to fly from ACK to GJT are

  • January 1st to March 25th (except the weeks of February 12th and March 5th)
  • June 18th to August 5th
  • October 29th to November 18th
  • December 3rd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ACK to GJT is late July. Prices can be as high as $1442 for Sunday flights during early to mid August, or as low as $574 for Tuesday flights around late July.


When to Fly to Grand Junction

Flying from Nantucket, MA (ACK) to Grand Junction, CO (GJT) will usually cost between $634 to $1333 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late July with an average ticket price of $653. Due to high demand the most expensive time to fly is early to mid August, with an average price of $1442. Planning your trip to low-cost times can easily save you $789 on economy flights and even more on first-class flights. Generally, any price below $936 can be considered a good price for a round-trip ACK to GJT flight.

See below for a graph of average weekly prices for the ACK to GJT route. All prices are for round-trip tickets in USD.

ACK to GJT Flight Prices

Compared to other flights, the ACK to GJT flight is priced close to the average and costs less than the average flight leaving from Nantucket. The average price per mile (for a direct flight) is $0.29, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $167 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $893. Return trip prices are from the GJT to ACK flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ACK to GJT can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 37 minutes may not be realistic.


Flight Hacking ACK to GJT

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ACK to GJT — but Champion Traveler does!

Hack #1: Boston, MA (ACK > BOS > GJT)

  • Price for both tickets: $911
  • Average savings: $25 (2.67%)

See ACK to BOS flights


Flight Questions Answered

Still have questions about flying from ACK to GJT? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: American, Cape Air, Delta, United, and potentially more during busy seasons.

How far away is it from Grand Junction Regional Airport to Nantucket Memorial Airport?

The distance between the two airports is roughly 2019 miles or 3249 kilometers.

How long does it take to fly from ACK to GJT?

The real-world flight time for a nonstop ACK to GJT flight is about 4 hour 37 minutes.

How many flights go between Nantucket, MA and Grand Junction, CO?

It depends on the day of the week and the date, but a typical day might have around 24 available flights from ACK to GJT.


Airport Location Info


Departing Airport

Origination code ACK
Origination airport name Nantucket Memorial Airport
City Nantucket, MA
Country the United States
Latitude 41.3
Longitude -70.1

Return Airport

Destination code GJT
Destination airport name Grand Junction Regional Airport
City Grand Junction, CO
Country the United States
Latitude 39.1
Longitude -108.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.