HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Nantucket

$1,057+ Cheap flights from Heathrow (LHR) 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ACK
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Nantucket with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Heathrow to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 18, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

July

Cheapest in

September

Average price

$572
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Heathrow to Nantucket

Cheapest flights from Heathrow to Nantucket
Explore the most affordable flight options available from Heathrow to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am
LHR
-
ACK
1 stop35h 25m
United Airlines
Tue 9/154:15 pm
ACK
-
LHR
1 stop12h 05m
United Airlines
Deal found 1/16$1,057

Best time to book a flight from Heathrow to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Heathrow 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 London Heathrow Airport to Nantucket

What is the cheapest month to book a flight from London Heathrow Airport to Nantucket?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Nantucket (average of $439). Flying from London Heathrow Airport to Nantucket in July is currently the most expensive (average of $500). 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    Nantucket Memorial (ACK) is the airport you will fly into if you book a flight from London Heathrow to Nantucket. You should not have trouble finding flights to Memorial from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Nantucket airport from London Heathrow. It is only a 2.8 mi journey from Memorial (ACK) to Nantucket’s city center.

  • Can I find deals for flights from Heathrow to Nantucket that include hotel bookings?

    Yes. In addition to deals on Heathrow to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Nantucket?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Nantucket.

  • Can I find deals for business class flights from Heathrow to Nantucket?

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Nantucket?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Nantucket (average of $439). Flying from London Heathrow Airport to Nantucket in July is currently the most expensive (average of $500). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.