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Cheap flights from London Heathrow Airport to Boston from $1,968

This is the cheapest round-trip 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 4/28. 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 round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
8:25 am - 6:24 pm
LHR
-
ACK
14h 59m1 stop
JetBlue Logo
1:30 pm - 6:30 am
ACK
-
LHR
12h 00m1 stop
$1,968JetBlue
Tue, Apr 28 - Fri, May 1
JetBlue Logo
8:25 am - 6:24 pm
LHR
-
ACK
14h 59m1 stop
JetBlue Logo
2:45 pm - 6:30 am
ACK
-
LHR
10h 45m1 stop
$1,973JetBlue
Tue, Apr 28 - Fri, May 1
Multiple Airlines Logo
9:20 am - 6:24 pm
LHR
-
ACK
14h 04m1 stop
Multiple Airlines Logo
3:15 pm - 3:30 pm
ACK
-
LHR
19h 15m2 stops
$3,034Multiple Airlines
Mon, Jan 5 - Sat, Jan 10
JetBlue Logo
9:20 am - 7:50 pm
LHR
-
ACK
15h 30m1 stop
JetBlue Logo
4:04 pm - 6:55 am
ACK
-
LHR
9h 51m1 stop
$3,148JetBlue
Mon, Jan 5 - Sat, Jan 10
Multiple Airlines Logo
10:00 am - 7:50 pm
LHR
-
ACK
14h 50m2 stops
Multiple Airlines Logo
2:16 pm - 6:55 am
ACK
-
LHR
35h 39m2 stops
$5,135Multiple Airlines
Mon, Jan 5 - Sat, Jan 10

JetBlue flights from London Heathrow Airport to Nantucket

Our best JetBlue deals on London Heathrow Airport to Nantucket flight tickets
JetBlue
Apr 28
LHR8:25 amLondon Heathrow
14h 59m
1 stop
ACK6:24 pmNantucket Memorial
May 1
ACK2:45 pmNantucket Memorial
10h 45m
1 stop
LHR6:30 amLondon Heathrow
$1,968
Find similar
JetBlue
Apr 28
LHR8:25 amLondon Heathrow
14h 59m
1 stop
ACK6:24 pmNantucket Memorial
May 1
ACK2:45 pmNantucket Memorial
10h 45m
1 stop
LHR6:30 amLondon Heathrow
$1,973
Find similar
JetBlue
Jan 5
LHR9:20 amLondon Heathrow
15h 30m
1 stop
ACK7:50 pmNantucket Memorial
Jan 10
ACK4:04 pmNantucket Memorial
9h 51m
1 stop
LHR6:55 amLondon Heathrow
$3,148
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 2025.
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

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 4/28

8:25 am-6:24 pm

1 stop14h 59m

Nantucket Memorial

Fri 5/1

1:30 pm-6:30 am

1 stop12h 00m

$1,968

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Tue 4/28

8:25 am-6:24 pm

1 stop14h 59m

Nantucket Memorial

Fri 5/1

2:45 pm-6:30 am

1 stop10h 45m

$1,973

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 1/5

9:20 am-6:24 pm

1 stop14h 04m

Nantucket Memorial

Sat 1/10

3:15 pm-3:30 pm

2 stops19h 15m

$3,034

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 1/5

9:20 am-7:50 pm

1 stop15h 30m

Nantucket Memorial

Sat 1/10

4:04 pm-6:55 am

1 stop9h 51m

$3,148

LondonNantucket

LHR - ACK

LHRACK

London Heathrow

Mon 1/5

10:00 am-7:50 pm

2 stops14h 50m

Nantucket Memorial

Sat 1/10

2:16 pm-6:55 am

2 stops35h 39m

$5,135

Flights are sorted by cheapest round-trip 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

What airlines fly to Nantucket?

British Airways, Delta and American Airlines are the top three most popular airlines that fly to Nantucket from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Nantucket. Keep in mind that there are 9 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 round-trip 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

14h 04m

Direct flights

None
The fastest flight from London Heathrow Airport to Nantucket takes 14h 04m
There are no direct flights from London Heathrow Airport to Nantucket. There are no popular flight routes from London Heathrow Airport to Nantucket.
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  • How far is London Heathrow to Nantucket Memorial by plane?

    There are 3261.4 mi between London Heathrow and Nantucket Memorial. A reasonable flight in good conditions will take 14h 04m.

  • 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 were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Nantucket from London.

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

momondo does allow users to show only those flights to Nantucket from London which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for London to Nantucket flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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