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Cheap flights from London to Nantucket from £707

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ACK
2 Apr — 9 Apr1
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 3 March 2026.

Fri 3/708:40
LHR
-
ACK
1 stop30h 45m
JetBlue
Tue 4/812:02
ACK
-
LHR
1 stop16h 28m
JetBlue
Deal found 26/2£707
Thu 25/620:10
LHR
-
ACK
1 stop18h 39m
Multiple Airlines
Wed 1/715:34
ACK
-
LHR
1 stop10h 16m
Multiple Airlines
Deal found 26/2£784
Fri 3/707:45
LHR
-
ACK
1 stop12h 11m
United Airlines
Tue 4/815:44
ACK
-
LHR
2 stops13h 56m
United Airlines
Deal found 26/2£809
Fri 3/709:50
LHR
-
ACK
2 stops29h 35m
Multiple Airlines
Tue 4/812:02
ACK
-
LHR
2 stops15h 03m
Multiple Airlines
Deal found 26/2£838
Fri 11/908:00
LHR
-
ACK
1 stop35h 25m
United Airlines
Tue 15/915:49
ACK
-
LHR
1 stop10h 26m
United Airlines
Deal found 2/3£843
Thu 25/620:10
LHR
-
ACK
2 stops19h 31m
American Airlines
Wed 1/710:19
ACK
-
LHR
1 stop16h 41m
American Airlines
Deal found 26/2£860
Fri 11/912:15
LHR
-
ACK
2 stops31h 32m
United Airlines
Mon 14/915:49
ACK
-
LHR
2 stops15h 01m
United Airlines
Deal found 26/2£995
Fri 11/908:40
LHR
-
ACK
1 stop12h 54m
JetBlue
Mon 14/916:57
ACK
-
LHR
1 stop8h 33m
JetBlue
Deal found 26/2£1,054

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 3 March 2026.

Round-trip from

£707

Popular in

July

Cheapest in

September

Average price

£440
JetBlue
  • JetBlue
  • 3/7-4/8
  • 2 total stops
  • 47h 13m total
  • London to Nantucket
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 3 March 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

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Thu 25/6

20:10-09:49

1 stop18h 39m

Nantucket Memorial

Wed 1/7

15:34-06:50

1 stop10h 16m

£784

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 3/7

07:45-14:56

1 stop12h 11m

Nantucket Memorial

Tue 4/8

15:44-10:40

2 stops13h 56m

£809

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 3/7

09:50-10:25

2 stops29h 35m

Nantucket Memorial

Tue 4/8

12:02-08:05

2 stops15h 03m

£838

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Wed 15/4

08:40-19:50

1 stop16h 10m

Nantucket Memorial

Wed 22/4

13:30-06:30

1 stop12h 00m

£1,440

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 9/6

18:10-11:12

2 stops46h 02m

Nantucket Memorial

Sun 14/6

16:20-17:10

2 stops19h 50m

£2,950

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 9/6

07:45-14:56

1 stop12h 11m

Nantucket Memorial

Sun 14/6

16:32-06:45

1 stop33h 13m

£3,531

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Sorted by cheapest first

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

Currently, July is the cheapest month in which you can book a flight from London to Nantucket (average of £140). Flying from London to Nantucket in June is currently the most expensive (average of £373). 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.

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 80% 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 £668.

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 49m.

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 12h 11m. Fly via United Airlines 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.

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

    Currently, July is the cheapest month in which you can book a flight from London to Nantucket (average of £140). Flying from London to Nantucket in June is currently the most expensive (average of £373). 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

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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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