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Cheap flights from London to Nantucket from £344

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ACK
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Nantucket

Enter your travel dates to find the best prices.

Cheapest flights from London to Nantucket
Explore the most affordable flight options available from London to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Tue 25/811:55
LHR
-
ACK
1 stop28h 17m
JetBlue
Mon 31/817:55
ACK
-
LHR
1 stop31h 35m
JetBlue
Deal found 19/7£616
Sun 6/908:15
LHR
-
ACK
1 stop12h 09m
JetBlue
Sun 13/915:10
ACK
-
LHR
1 stop10h 20m
JetBlue
Deal found 23/7£748
Tue 25/808:15
LHR
-
ACK
1 stop31h 57m
Multiple Airlines
Mon 31/815:24
ACK
-
LHR
2 stops14h 06m
Multiple Airlines
Deal found 19/7£751
Sun 6/917:55
LHR
-
ACK
2 stops44h 17m
United Airlines
Sun 13/909:50
ACK
-
LHR
1 stop29h 50m
United Airlines
Deal found 23/7£763
Sun 9/808:15
LHR
-
ACK
1 stop12h 09m
JetBlue
Wed 2/912:02
ACK
-
LHR
1 stop27h 43m
JetBlue
Deal found 23/7£788
Mon 17/811:55
LHR
-
ACK
1 stop28h 17m
JetBlue
Mon 24/818:02
ACK
-
LHR
1 stop31h 28m
JetBlue
Deal found 18/7£795
Tue 28/708:15
LHR
-
ACK
1 stop31h 57m
JetBlue
Tue 4/812:02
ACK
-
LHR
1 stop16h 28m
JetBlue
Deal found 19/7£835
Fri 14/808:15
LHR
-
ACK
1 stop12h 09m
JetBlue
Wed 19/815:33
ACK
-
LHR
1 stop9h 57m
JetBlue
Deal found 23/7£883
Sun 9/811:05
LHR
-
ACK
2 stops51h 07m
United Airlines
Wed 2/909:50
ACK
-
LHR
1 stop29h 50m
United Airlines
Deal found 23/7£884

Find flight deals from London to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 23 July 2026.

Round-trip from

£616

One-way from

£344

Popular in

June

Cheapest in

February

Average price

£532
JetBlue
  • JetBlue
  • 25/8-31/8
  • 2 total stops
  • 59h 52m total
  • London to Nantucket
Search Deals
JetBlue
  • JetBlue
  • 6/9
  • 1 total stop
  • 31h 57m total
  • London to Nantucket
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 23 July 2026.
Use the filters below to find and compare flights from London to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 25/8

11:55-11:12

1 stop28h 17m

Nantucket Memorial

Mon 31/8

17:55-06:30

1 stop31h 35m

£616
Fastest return journey

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 6/9

08:15-15:24

1 stop12h 09m

Nantucket Memorial

Sun 13/9

15:10-06:30

1 stop10h 20m

£748

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 25/8

08:15-11:12

1 stop31h 57m

Nantucket Memorial

Mon 31/8

15:24-10:30

2 stops14h 06m

£751

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 17/8

11:55-11:12

1 stop28h 17m

Nantucket Memorial

Mon 24/8

18:02-06:30

1 stop31h 28m

£795

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 9/8

11:05-09:12

2 stops51h 07m

Nantucket Memorial

Wed 2/9

16:15-06:45

2 stops33h 30m

£961

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 17/8

08:40-15:03

2 stops35h 23m

Nantucket Memorial

Mon 24/8

09:50-05:55

1 stop15h 05m

£976

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 14/8

06:50-09:09

2 stops31h 19m

Nantucket Memorial

Wed 19/8

16:15-05:55

1 stop32h 40m

£1,016

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 17/8

13:05-22:05

2 stops14h 00m

Nantucket Memorial

Mon 24/8

22:25-06:30

3 stops27h 05m

£1,358
Cheapest one-way

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 23/8

08:15-11:12

1 stop31h 57m

£374

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 6/9

11:20-10:22

3 stops28h 02m

£530

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Nantucket

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

Cheapflights Insights

Everything you need to know about your flight from London to Nantucket

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    For a flight from London to Nantucket, you will be flying into Memorial. Nantucket Memorial (ACK) is just 2.8 mi from the center of the city. Memorial is the only Nantucket airport and it handles 0 inbound flights from London per day. 0 airlines have flights to Nantucket Memorial from London on a regular basis.

  • How long is the flight from London to Nantucket?

    There are many flights that can get you from London to Nantucket in 28h 17m. Fly via JetBlue to get the fastest option. London and Nantucket are separated by a distance of 3261 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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

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

Deals for London to Nantucket flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Nantucket for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London to Nantucket with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Nantucket from London today and book when prices fit your budget.

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