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Cheap flights from London to Boston from £612

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 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
08:15 - 11:25
LHR
-
ACK
32h 10m
1 stop
JetBlue Logo
12:15 - 09:30
ACK
-
LHR
16h 15m
1 stop
£612JetBlue
Fri, 12 Jun - Thu, 2 Jul
United Airlines Logo
07:30 - 07:55
LHR
-
ACK
29h 25m
2 stops
United Airlines Logo
10:53 - 15:40
ACK
-
LHR
23h 47m
2 stops
£823United Airlines
Fri, 12 Jun - Thu, 2 Jul
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 07:15
ACK
-
LHR
15h 57m
1 stop
£830United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
18:00 - 14:26
LHR
-
ACK
25h 26m
1 stop
United Airlines Logo
10:53 - 15:40
ACK
-
LHR
23h 47m
2 stops
£846United Airlines
Fri, 12 Jun - Thu, 2 Jul
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 05:55
ACK
-
LHR
14h 37m
1 stop
£862United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 07:15
ACK
-
LHR
15h 57m
1 stop
£866United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 05:55
ACK
-
LHR
14h 37m
1 stop
£867United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 06:55
ACK
-
LHR
15h 37m
2 stops
£895United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 06:55
ACK
-
LHR
15h 37m
2 stops
£955United Airlines
Sat, 19 Sep - Wed, 23 Sep
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 06:55
ACK
-
LHR
15h 37m
2 stops
£960United Airlines
Sat, 19 Sep - Wed, 23 Sep

United Airlines flights from London to Nantucket

Our best United Airlines deals on London to Nantucket flight tickets
United Airlines
12 Jun
LHR07:30London Heathrow
29h 25m
2 stops
ACK07:55Nantucket Memorial
2 Jul
ACK10:53Nantucket Memorial
23h 47m
2 stops
LHR15:40London Heathrow
£823
United Airlines
19 Sept
LHR07:45London Heathrow
12h 02m
1 stop
ACK14:47Nantucket Memorial
23 Sept
ACK10:18Nantucket Memorial
15h 57m
1 stop
LHR07:15London Heathrow
£830
United Airlines
12 Jun
LHR18:00London Heathrow
25h 26m
1 stop
ACK14:26Nantucket Memorial
2 Jul
ACK10:53Nantucket Memorial
23h 47m
2 stops
LHR15:40London Heathrow
£846

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 14 May 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 12/6

08:15-11:25

1 stop32h 10m

Nantucket Memorial

Thu 2/7

12:15-09:30

1 stop16h 15m

£612

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 12/6

07:30-07:55

2 stops29h 25m

Nantucket Memorial

Thu 2/7

10:53-15:40

2 stops23h 47m

£823

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-07:15

1 stop15h 57m

£830

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Fri 12/6

18:00-14:26

1 stop25h 26m

Nantucket Memorial

Thu 2/7

10:53-15:40

2 stops23h 47m

£846
Fastest return journey

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-05:55

1 stop14h 37m

£862

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-07:15

1 stop15h 57m

£866

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-05:55

1 stop14h 37m

£867

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-06:55

2 stops15h 37m

£895

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-06:55

2 stops15h 37m

£955

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-06:55

2 stops15h 37m

£960

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 47% of people opting to fly with this airline when travelling to Nantucket. Keep in mind that there are 17 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 02m

Direct flights

None
The fastest flight from London to Nantucket takes 12h 02m
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 02m, 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.

An easier way to manage your Nantucket trip

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