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Cheap flights from London Heathrow Airport to Boston from £647

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Boston departing on 21/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Boston

Cheap return flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:55 - 11:25
LHR
-
ACK
28h 30m
1 stop
JetBlue Logo
18:03 - 06:30
ACK
-
LHR
31h 27m
1 stop
£647JetBlue
Sun, 21 Jun - Sun, 28 Jun
JetBlue Logo
08:15 - 15:34
LHR
-
ACK
12h 19m
1 stop
JetBlue Logo
12:18 - 20:45
ACK
-
LHR
27h 27m
1 stop
£748JetBlue
Sat, 13 Jun - Sat, 20 Jun
Air France Logo
19:45 - 14:39
LHR
-
ACK
23h 54m
2 stops
Air France Logo
15:20 - 06:45
ACK
-
LHR
34h 25m
2 stops
£795Air France
Sun, 21 Jun - Sun, 28 Jun
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
£861United Airlines
Sat, 19 Sep - Wed, 23 Sep
American Airlines Logo
17:40 - 10:41
LHR
-
ACK
22h 01m
2 stops
American Airlines Logo
10:19 - 08:00
ACK
-
LHR
16h 41m
1 stop
£863American Airlines
Sun, 21 Jun - Sun, 28 Jun
United Airlines Logo
18:00 - 14:19
LHR
-
ACK
25h 19m
2 stops
United Airlines Logo
16:42 - 11:55
ACK
-
LHR
14h 13m
1 stop
£867United Airlines
Sat, 13 Jun - Sat, 20 Jun
United Airlines Logo
07:45 - 14:47
LHR
-
ACK
12h 02m
1 stop
United Airlines Logo
10:18 - 21:20
ACK
-
LHR
30h 02m
1 stop
£889United 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
£892United 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
£893United Airlines
Sat, 19 Sep - Wed, 23 Sep
Multiple Airlines Logo
13:25 - 11:25
LHR
-
ACK
27h 00m
2 stops
Multiple Airlines Logo
16:50 - 15:00
ACK
-
LHR
17h 10m
2 stops
£931Multiple Airlines
Sat, 13 Jun - Sat, 20 Jun

United Airlines flights from London Heathrow Airport to Nantucket

Our best United Airlines deals on London Heathrow Airport to Nantucket flight tickets
United Airlines
19 Sept
LHR07:45London Heathrow
12h 02m
1 stop
ACK14:47Nantucket Memorial
23 Sept
ACK10:18Nantucket Memorial
14h 37m
1 stop
LHR05:55London Heathrow
£861
United Airlines
13 Jun
LHR18:00London Heathrow
25h 19m
2 stops
ACK14:19Nantucket Memorial
20 Jun
ACK16:42Nantucket Memorial
14h 13m
1 stop
LHR11:55London Heathrow
£867
United Airlines
19 Sept
LHR07:45London Heathrow
12h 02m
1 stop
ACK14:47Nantucket Memorial
23 Sept
ACK10:18Nantucket Memorial
14h 37m
1 stop
LHR05:55London Heathrow
£892

JetBlue flights from London Heathrow Airport to Nantucket

Our best JetBlue deals on London Heathrow Airport to Nantucket flight tickets
JetBlue
21 Jun
LHR11:55London Heathrow
28h 30m
1 stop
ACK11:25Nantucket Memorial
28 Jun
ACK18:03Nantucket Memorial
31h 27m
1 stop
LHR06:30London Heathrow
£647
JetBlue
13 Jun
LHR08:15London Heathrow
12h 19m
1 stop
ACK15:34Nantucket Memorial
20 Jun
ACK12:18Nantucket Memorial
27h 27m
1 stop
LHR20:45London Heathrow
£748

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 11 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 21/6

11:55-11:25

1 stop28h 30m

Nantucket Memorial

Sun 28/6

18:03-06:30

1 stop31h 27m

£647

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 13/6

08:15-15:34

1 stop12h 19m

Nantucket Memorial

Sat 20/6

12:18-20:45

1 stop27h 27m

£748

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 21/6

19:45-14:39

2 stops23h 54m

Nantucket Memorial

Sun 28/6

15:20-06:45

2 stops34h 25m

£795

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

£861

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sun 21/6

17:40-10:41

2 stops22h 01m

Nantucket Memorial

Sun 28/6

10:19-08:00

1 stop16h 41m

£863

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 13/6

18:00-14:19

2 stops25h 19m

Nantucket Memorial

Sat 20/6

16:42-11:55

1 stop14h 13m

£867

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 19/9

07:45-14:47

1 stop12h 02m

Nantucket Memorial

Wed 23/9

10:18-21:20

1 stop30h 02m

£889
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

£892

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

£893

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Sat 13/6

13:25-11:25

2 stops27h 00m

Nantucket Memorial

Sat 20/6

16:50-15:00

2 stops17h 10m

£931

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 Heathrow Airport 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 Heathrow Airport 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 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 Heathrow Airport to Nantucket

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

Cheap London Heathrow Airport to Nantucket (LHR to ACK) flight deals and tips

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

Fastest flight time

12h 02m

Direct flights

None
The fastest flight from London Heathrow Airport to Nantucket takes 12h 02m
There are no direct flights from London Heathrow Airport to Nantucket. There are no popular flight routes from London Heathrow Airport to Nantucket.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Nantucket

  • How far is London Heathrow to Nantucket Memorial by plane?

    There are 3261.4 mi between London Heathrow and Nantucket Memorial. Typically, this will take 12h 02m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Nantucket Memorial Airport are refreshed on a daily basis.

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Nantucket . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Nantucket on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between London and Nantucket by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Nantucket from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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