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Cheap flights from London to Boston from £558

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 28/8. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from London to Boston

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:55 - 15:24
LHR
-
ACK
32h 29m
1 stop
JetBlue Logo
15:28 - 06:30
ACK
-
LHR
10h 02m
1 stop
£558JetBlue
Fri, 28 Aug - Fri, 4 Sep
JetBlue Logo
08:40 - 10:22
LHR
-
ACK
30h 42m
1 stop
JetBlue Logo
18:02 - 06:30
ACK
-
LHR
31h 28m
1 stop
£716JetBlue
Sat, 15 Aug - Sat, 22 Aug
JetBlue Logo
08:15 - 11:12
LHR
-
ACK
31h 57m
1 stop
JetBlue Logo
18:02 - 06:30
ACK
-
LHR
31h 28m
1 stop
£729JetBlue
Sun, 16 Aug - Sat, 22 Aug
JetBlue Logo
08:40 - 10:22
LHR
-
ACK
30h 42m
1 stop
JetBlue Logo
18:02 - 06:30
ACK
-
LHR
31h 28m
1 stop
£752JetBlue
Sat, 15 Aug - Fri, 21 Aug
JetBlue Logo
11:55 - 11:12
LHR
-
ACK
28h 17m
1 stop
JetBlue Logo
12:12 - 09:30
ACK
-
LHR
16h 18m
1 stop
£765JetBlue
Tue, 4 Aug - Tue, 11 Aug
Multiple Airlines Logo
19:50 - 14:41
LHR
-
ACK
23h 51m
1 stop
Multiple Airlines Logo
15:24 - 08:50
ACK
-
LHR
12h 26m
1 stop
£822Multiple Airlines
Fri, 28 Aug - Fri, 4 Sep
JetBlue Logo
11:55 - 10:22
LHR
-
ACK
27h 27m
2 stops
JetBlue Logo
12:12 - 09:30
ACK
-
LHR
16h 18m
1 stop
£836JetBlue
Tue, 4 Aug - Tue, 11 Aug
Air France Logo
19:45 - 14:41
LHR
-
ACK
23h 56m
2 stops
Air France Logo
15:24 - 08:50
ACK
-
LHR
12h 26m
1 stop
£846Air France
Fri, 28 Aug - Fri, 4 Sep
United Airlines Logo
15:20 - 09:09
LHR
-
ACK
22h 49m
1 stop
United Airlines Logo
16:15 - 11:55
ACK
-
LHR
14h 40m
2 stops
£850United Airlines
Fri, 28 Aug - Fri, 4 Sep
Aer Lingus Logo
09:50 - 10:22
LHR
-
ACK
29h 32m
2 stops
Aer Lingus Logo
15:33 - 08:05
ACK
-
LHR
11h 32m
2 stops
£855Aer Lingus
Tue, 4 Aug - Tue, 11 Aug

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United Airlines flights from London to Nantucket

Our best United Airlines deals on London to Nantucket flight tickets
United Airlines
28 Aug
LHR15:20London Heathrow
22h 49m
1 stop
ACK09:09Nantucket Memorial
4 Sept
ACK16:15Nantucket Memorial
14h 40m
2 stops
LHR11:55London Heathrow
£850
United Airlines
18 Aug
LHR17:50London Heathrow
44h 22m
2 stops
ACK09:12Nantucket Memorial
25 Aug
ACK09:50Nantucket Memorial
30h 35m
1 stop
LHR21:25London Heathrow
£991
United Airlines
18 Aug
LHR07:45London Heathrow
12h 18m
1 stop
ACK15:03Nantucket Memorial
25 Aug
ACK09:50Nantucket Memorial
15h 05m
1 stop
LHR05:55London Heathrow
£1,005

JetBlue flights from London to Nantucket

Our best JetBlue deals on London to Nantucket flight tickets
JetBlue
28 Aug
LHR11:55London Heathrow
32h 29m
1 stop
ACK15:24Nantucket Memorial
4 Sept
ACK15:28Nantucket Memorial
10h 02m
1 stop
LHR06:30London Heathrow
£558
JetBlue
16 Aug
LHR08:15London Heathrow
12h 09m
1 stop
ACK15:24Nantucket Memorial
22 Aug
ACK15:28Nantucket Memorial
10h 02m
1 stop
LHR06:30London Heathrow
£608
JetBlue
15 Aug
LHR08:15London Heathrow
12h 09m
1 stop
ACK15:24Nantucket Memorial
21 Aug
ACK16:22Nantucket Memorial
12h 08m
1 stop
LHR09:30London Heathrow
£676

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 8 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

Fri 28/8

11:55-15:24

1 stop32h 29m

Nantucket Memorial

Fri 4/9

15:28-06:30

1 stop10h 02m

£558

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 15/8

08:40-10:22

1 stop30h 42m

Nantucket Memorial

Sat 22/8

18:02-06:30

1 stop31h 28m

£716

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 16/8

08:15-11:12

1 stop31h 57m

Nantucket Memorial

Sat 22/8

18:02-06:30

1 stop31h 28m

£729

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 15/8

08:40-10:22

1 stop30h 42m

Nantucket Memorial

Fri 21/8

18:02-06:30

1 stop31h 28m

£752

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 4/8

11:55-11:12

1 stop28h 17m

Nantucket Memorial

Tue 11/8

12:12-09:30

1 stop16h 18m

£765
Fastest return journey

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 28/8

19:50-14:41

1 stop23h 51m

Nantucket Memorial

Fri 4/9

15:24-08:50

1 stop12h 26m

£822

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 4/8

11:55-10:22

2 stops27h 27m

Nantucket Memorial

Tue 11/8

12:12-09:30

1 stop16h 18m

£836

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 28/8

19:45-14:41

2 stops23h 56m

Nantucket Memorial

Fri 4/9

15:24-08:50

1 stop12h 26m

£846

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 28/8

15:20-09:09

1 stop22h 49m

Nantucket Memorial

Fri 4/9

16:15-11:55

2 stops14h 40m

£850

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 4/8

09:50-10:22

2 stops29h 32m

Nantucket Memorial

Tue 11/8

15:33-08:05

2 stops11h 32m

£855

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

Which airlines fly to Nantucket?

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to Nantucket from London according to our data. Virgin Atlantic is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Nantucket. Keep in mind that there are 16 different airlines that fly to Nantucket on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

12h 04m

Direct flights

None
The fastest flight from London to Nantucket takes 12h 04m
There are no direct flights from London to Nantucket. There are no popular flight routes from London to Nantucket.
Search flight deals

Frequently asked questions about flying from London to Nantucket

  • How far is London to Nantucket Memorial by plane?

    Nantucket Memorial is 3274.5 mi away from London. Flights usually cover this in 12h 04m, 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.

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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