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Cheap flights from London to Nantucket from £519

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ACK
29 May — 5 Jun1
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 29 April 2026.

Thu 25/608:40
LHR
-
ACK
1 stop30h 44m
JetBlue
Sun 12/718:02
ACK
-
LHR
1 stop31h 28m
JetBlue
Deal found 27/4£625
Thu 25/619:45
LHR
-
ACK
2 stops23h 54m
Multiple Airlines
Sun 12/715:24
ACK
-
LHR
1 stop12h 26m
Multiple Airlines
Deal found 27/4£841
Mon 27/708:15
LHR
-
ACK
1 stop31h 57m
JetBlue
Sun 2/818:02
ACK
-
LHR
1 stop31h 28m
JetBlue
Deal found 25/4£862
Thu 11/619:45
LHR
-
ACK
2 stops23h 54m
Air France
Thu 18/615:20
ACK
-
LHR
2 stops14h 10m
Air France
Deal found 27/4£900
Thu 11/611:55
LHR
-
ACK
1 stop28h 30m
JetBlue
Thu 18/612:18
ACK
-
LHR
1 stop16h 12m
JetBlue
Deal found 27/4£924
Mon 27/720:10
LHR
-
ACK
2 stops21h 16m
American Airlines
Sun 2/810:20
ACK
-
LHR
1 stop16h 40m
American Airlines
Deal found 25/4£935
Thu 11/620:10
LHR
-
ACK
2 stops23h 03m
American Airlines
Thu 18/610:19
ACK
-
LHR
1 stop15h 51m
American Airlines
Deal found 27/4£969
Mon 27/719:50
LHR
-
ACK
2 stops44h 22m
Multiple Airlines
Sun 2/818:02
ACK
-
LHR
2 stops18h 43m
Multiple Airlines
Deal found 25/4£1,005

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 29 April 2026.

Round-trip from

£625

One-way from

£519

Popular in

July

Cheapest in

September

Average price

£505
JetBlue
  • JetBlue
  • 25/6-12/7
  • 2 total stops
  • 62h 12m total
  • London to Nantucket
Search Deals
11/5
  • 11/5
  • 3 total stops
  • 41h 55m total
  • London to Nantucket
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 29 April 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

Thu 25/6

08:40-10:24

1 stop30h 44m

Nantucket Memorial

Sun 12/7

18:02-06:30

1 stop31h 28m

£625
Fastest return journey

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Thu 25/6

19:45-14:39

2 stops23h 54m

Nantucket Memorial

Sun 12/7

15:24-08:50

1 stop12h 26m

£841

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 27/7

08:15-11:12

1 stop31h 57m

Nantucket Memorial

Sun 2/8

18:02-06:30

1 stop31h 28m

£862

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Thu 11/6

11:55-11:25

1 stop28h 30m

Nantucket Memorial

Thu 18/6

12:18-09:30

1 stop16h 12m

£924

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Thu 11/6

20:10-14:13

2 stops23h 03m

Nantucket Memorial

Thu 18/6

10:19-07:10

1 stop15h 51m

£969

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 27/7

19:50-11:12

2 stops44h 22m

Nantucket Memorial

Sun 2/8

18:02-17:45

2 stops18h 43m

£1,005
Cheapest one-way

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Wed 29/7

11:20-15:23

2 stops33h 03m

£607

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 11/5

21:25-09:25

2 stops41h 00m

£762
Fastest single journey

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 11/5

08:40-09:25

1 stop29h 45m

£1,001

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Wed 1/7

15:35-16:34

3 stops53h 59m

£1,220

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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

What’s the top stopover airport for flights from London to Nantucket?

Share of one-stop return flights from London to Nantucket chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Boston (BOS) – chosen by Cheapflights users on 67% of one-stop itineraries from London to Nantucket on Cheapflights.

What’s the cheapest stopover airport for flights from London to Nantucket?

Average return fare for one-stop flights from London to Nantucket, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

New York (JFK) is the most affordable one-stop option, with an average return flight price of £662.

What’s the fastest stopover option from London to Nantucket?

Shortest average travel time for one-stop one-way flights from London to Nantucket, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Boston (BOS) have the shortest average one-way travel time for one-stop routes: 11h 28m.

Which airport typically offers the quickest stopover for flights from London to Nantucket?

Average stopover duration for one-stop one-way flights from London to Nantucket, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Boston (BOS) offer the fastest connection on this route, with an average stopover time of 2h 41m.

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 23h 03m. Fly via JetBlue or American Airlines to get the fastest option. London and Nantucket are separated by a distance of 3261 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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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