Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Nantucket from £564

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ACK
4 Sep — 11 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Nantucket

Enter your travel dates to find the best prices.

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 5 August 2026.

Wed 16/908:40 -
1 stop31h 42m
Wed 23/915:10 -
1 stop10h 20m
Deal found 1/8£564
Sat 5/908:40 -
1 stop30h 42m
Sat 19/915:10 -
1 stop10h 20m
Deal found 3/8£564
Sat 5/908:15 -
1 stop12h 24m
Sat 19/915:10 -
2 stops19h 50m
Deal found 3/8£588
Wed 16/913:05 -
2 stops27h 17m
Wed 23/915:10 -
2 stops15h 45m
Deal found 1/8£716
Sat 5/908:00 -
2 stops36h 03m
Sat 19/916:45 -
2 stops22h 55m
Deal found 3/8£754
Wed 16/918:00 -
1 stop20h 12m
Wed 23/915:39 -
2 stops34h 16m
Deal found 1/8£778
Sat 15/811:55 -
1 stop28h 17m
Thu 20/816:19 -
2 stops20h 01m
Deal found 1/8£831

Find 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 5 August 2026.

Round-trip from

£564

Popular in

June

Cheapest in

February

Average price

£507
JetBlue
  • JetBlue
  • 16/9-23/9
  • 2 total stops
  • 42h 02m total
  • London to Nantucket
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 5 August 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Sat 5/9

08:40-10:22

1 stop30h 42m

Nantucket Memorial

Sat 19/9

15:10-06:30

1 stop10h 20m

£564

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Sat 5/9

11:20-10:22

3 stops28h 02m

Nantucket Memorial

Sat 19/9

15:10-15:35

2 stops19h 25m

£696

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Sat 5/9

08:00-15:03

2 stops36h 03m

Nantucket Memorial

Sat 19/9

16:45-20:40

2 stops22h 55m

£754

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Wed 16/9

16:00-09:12

1 stop22h 12m

Nantucket Memorial

Wed 23/9

09:50-21:20

1 stop30h 30m

£778
Fastest return journey

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Mon 17/8

08:15-15:24

1 stop12h 09m

Nantucket Memorial

Sun 23/8

15:33-06:30

1 stop9h 57m

£894

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Sun 16/8

08:15-15:24

1 stop12h 09m

Nantucket Memorial

Wed 19/8

12:02-09:30

1 stop16h 28m

£909

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Sat 15/8

08:15-15:24

1 stop12h 09m

Nantucket Memorial

Sat 22/8

15:28-06:30

1 stop10h 02m

£922

LondonNantucket

LHR London Heathrow - ACK Nantucket Memorial

LHRACK

London Heathrow

Mon 17/8

08:15-15:24

1 stop12h 09m

Nantucket Memorial

Thu 20/8

15:33-06:30

1 stop9h 57m

£952

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Sorted by cheapest first

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 return 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.

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?

    A quick flight from London Heathrow Airport to Nantucket can take about 30h 42m. JetBlue provides one of the quickest options available for as low as £564. London Heathrow Airport and Nantucket are separated by a distance of 3261 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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.

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Nantucket?

Cheapflights makes it easy to find Heathrow to Nantucket flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Nantucket?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Nantucket.

Can Cheapflights find flights from Heathrow to Nantucket with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Nantucket flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Nantucket become cheaper?

Of course! You can now track prices for flights from Heathrow to Nantucket and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.