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$1,283+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ACK
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,283
(JetBlue)

Popular in

December

Cheapest in

September

Average price

$582
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
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From London Heathrow to Nantucket Memorial
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Highest demand for flights based on searches. 4% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 16, 2025.

This JetBlue deal was found by Cheapflights users on 10/14. 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.
Mon 11/249:20 amLHR - ACK
1 stop16h 20mJetBlue
Thu 11/2711:05 amACK - LHR
1 stop14h 50mJetBlue
Deal found 10/14$1,283

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 October 16, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Nantucket that are best for you.

Fly from

Heathrow

Fly to

Nantucket

Route

Depart

Return

Price

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 11/24

9:20 am-8:40 pm

1 stop16h 20m

Nantucket Memorial

Thu 11/27

11:05 am-6:55 am

1 stop14h 50m

$1,283

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 $424). Flying from London Heathrow Airport to Nantucket in July is currently the most expensive (average of $501). 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.

  • How long is the flight from London Heathrow Airport to Nantucket?

    There are many flights that can get you from London Heathrow Airport to Nantucket in 16h 20m. Fly via JetBlue to get the fastest option. The distance between London Heathrow Airport and Nantucket is about 3261 mi.

  • 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 $424). Flying from London Heathrow Airport to Nantucket in July is currently the most expensive (average of $501). 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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