Cheap flights from London to Boston from £496

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Boston departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

JetBlue Logo
08:15 - 11:53LHR-ACK
32h 38m1 stop
JetBlue Logo
17:30 - 06:30ACK-LHR
32h 00m1 stop
£496JetBlue
Find Deal
Sat, 30 Aug - Sat, 6 Sep
Icelandair Logo
08:25 - 17:26LHR-ACK
38h 01m2 stops
Icelandair Logo
17:30 - 06:30ACK-LHR
32h 00m1 stop
£552Icelandair
Find Deal
Sat, 30 Aug - Sat, 6 Sep
Icelandair Logo
08:15 - 09:20LHR-ACK
30h 05m2 stops
Icelandair Logo
16:11 - 06:30ACK-LHR
57h 19m2 stops
£586Icelandair
Find Deal
Sat, 30 Aug - Sat, 6 Sep
JetBlue Logo
08:25 - 19:25LHR-ACK
16h 00m1 stop
JetBlue Logo
16:10 - 09:30ACK-LHR
12h 20m1 stop
£921JetBlue
Find Deal
Fri, 12 Sep - Fri, 19 Sep
JetBlue Logo
09:20 - 16:50LHR-ACK
12h 30m1 stop
JetBlue Logo
17:26 - 06:55ACK-LHR
8h 29m1 stop
£1,238JetBlue
Find Deal
Mon, 24 Nov - Thu, 27 Nov
United Airlines Logo
08:00 - 14:50LHR-ACK
11h 50m1 stop
United Airlines Logo
16:31 - 14:40ACK-LHR
17h 09m2 stops
£1,423United Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep
United Airlines Logo
11:05 - 15:11LHR-ACK
33h 06m2 stops
United Airlines Logo
10:30 - 10:00ACK-LHR
18h 30m2 stops
£1,568United Airlines
Find Deal
Fri, 12 Sep - Fri, 19 Sep

JetBlue flights from London to Nantucket

Our best JetBlue deals on London to Nantucket flight tickets
JetBlue
30 Aug
LHR08:15London Heathrow
32h 38m
1 stop
ACK11:53Nantucket Memorial
6 Sept
ACK17:30Nantucket Memorial
32h 00m
1 stop
LHR06:30London Heathrow
JetBlue
12 Sept
LHR08:25London Heathrow
16h 00m
1 stop
ACK19:25Nantucket Memorial
19 Sept
ACK16:10Nantucket Memorial
12h 20m
1 stop
LHR09:30London Heathrow
JetBlue
2 Aug
LHR08:25London Heathrow
31h 04m
1 stop
ACK10:29Nantucket Memorial
23 Aug
ACK15:08Nantucket Memorial
10h 22m
1 stop
LHR06:30London Heathrow

Icelandair flights from London to Nantucket

Our best Icelandair deals on London to Nantucket flight tickets
Icelandair
30 Aug
LHR08:25London Heathrow
38h 01m
2 stops
ACK17:26Nantucket Memorial
6 Sept
ACK17:30Nantucket Memorial
32h 00m
1 stop
LHR06:30London Heathrow
Icelandair
30 Aug
LHR08:15London Heathrow
30h 05m
2 stops
ACK09:20Nantucket Memorial
6 Sept
ACK16:11Nantucket Memorial
57h 19m
2 stops
LHR06:30London Heathrow

momondo 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, momondo users made 279,928 searches. Data last updated 31 July 2025.
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

Sat 30/8

08:15-11:53

1 stop32h 38m

Nantucket Memorial

Sat 6/9

17:30-06:30

1 stop32h 00m

£496

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 30/8

08:25-17:26

2 stops38h 01m

Nantucket Memorial

Sat 6/9

17:30-06:30

1 stop32h 00m

£552

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 30/8

08:15-09:20

2 stops30h 05m

Nantucket Memorial

Sat 6/9

16:11-06:30

2 stops57h 19m

£586

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 12/9

08:25-19:25

1 stop16h 00m

Nantucket Memorial

Fri 19/9

16:10-09:30

1 stop12h 20m

£921

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 24/11

09:20-16:50

1 stop12h 30m

Nantucket Memorial

Thu 27/11

17:26-06:55

1 stop8h 29m

£1,238

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 12/9

08:00-14:50

1 stop11h 50m

Nantucket Memorial

Fri 19/9

16:31-14:40

2 stops17h 09m

£1,423

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 12/9

11:05-15:11

2 stops33h 06m

Nantucket Memorial

Fri 19/9

10:30-10:00

2 stops18h 30m

£1,568

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Boston from

How to get the cheapest flight ticket from London to Nantucket

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Nantucket?

Our data shows that Thursday is the least expensive day to fly to Nantucket. Tickets to fly out on this day can be as low as £740. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £908. These prices are subject to change though, so be sure to set up a Price Alert for flights to Nantucket.

When to book flights from London to Nantucket

Are you open to changing your travel dates? Check out the ideal times to fly from London to Nantucket according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Nantucket (LON to ACK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Nantucket

Best price found

£496

Fastest flight time

11h 50m

Direct flights

None

Airports in Nantucket

1 airport
The best flight deal from London to Nantucket found on momondo in the last 72 hours is £496
The fastest flight from London to Nantucket takes 11h 50m
There are no direct flights from London to Nantucket. Popular non-direct route for this connection is London Heathrow Airport - Nantucket Memorial Airport.
There is 1 airport near Nantucket: Nantucket Memorial (ACK)

  • How far is London to Nantucket Memorial by plane?

    Nantucket Memorial is 3274.5 mi away from London. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Nantucket Memorial Airport?

    Prices for flights from London to Nantucket Memorial Airport refresh daily.

  • How old do you have to be to fly from London to Nantucket Memorial Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Nantucket Memorial Airport.

  • What documentation or ID do you need to fly to Nantucket Memorial Airport?

    The travel and health documents you'll need for your trip to Nantucket Memorial Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Nantucket Memorial Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to Nantucket?


Why use momondo?

Why should I use momondo to find a flight deal from London to Nantucket?

Finding the right flight to Nantucket from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Nantucket quick and easy, saving you time and money.

Can I find flights from London to Nantucket with flexible booking policies on momondo?

Yes. All flights to Nantucket from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Nantucket?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Nantucket.

I’m not ready to book a flight from London to Nantucket right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Nantucket from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
Tue 5/8
Tue 12/8

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