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Cheap flights from New Hampshire to London from £157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to London departing on 17/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:50 - 13:00BOS-LHR
10h 10m1 stop
Multiple Airlines Logo
06:00 - 14:05LHR-BOS
13h 05m1 stop
£371Multiple Airlines
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Fri, 14 Nov - Fri, 21 Nov
Aer Lingus Logo
19:25 - 09:15BOS-LHR
8h 50m1 stop
Aer Lingus Logo
10:00 - 16:50LHR-BOS
11h 50m1 stop
£372Aer Lingus
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Thu, 15 Jan - Mon, 19 Jan
Lufthansa Logo
20:40 - 13:00BOS-LHR
11h 20m1 stop
Lufthansa Logo
11:10 - 18:35LHR-BOS
12h 25m1 stop
£373Lufthansa
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Fri, 9 Jan - Mon, 26 Jan
United Airlines Logo
21:50 - 11:15BOS-LHR
32h 25m1 stop
United Airlines Logo
09:00 - 17:50LHR-BOS
13h 50m1 stop
£373United Airlines
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Thu, 13 Nov - Sun, 16 Nov
Icelandair Logo
20:50 - 10:50BOS-LHR
10h 00m1 stop
Icelandair Logo
20:35 - 11:35LHR-BOS
19h 00m1 stop
£374Icelandair
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Wed, 11 Mar - Wed, 18 Mar
Aer Lingus Logo
19:25 - 09:15BOS-LHR
8h 50m1 stop
Aer Lingus Logo
10:00 - 16:50LHR-BOS
11h 50m1 stop
£375Aer Lingus
Find Deal
Sun, 4 Jan - Sat, 31 Jan
Icelandair Logo
19:50 - 19:30BOS-LHR
18h 40m1 stop
Icelandair Logo
20:35 - 17:50LHR-BOS
26h 15m1 stop
£376Icelandair
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Wed, 19 Nov - Mon, 24 Nov
Air Canada Logo
10:15 - 07:10BOS-LHR
15h 55m1 stop
Air Canada Logo
09:00 - 19:12LHR-BOS
15h 12m2 stops
£376Air Canada
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Wed, 19 Nov - Tue, 25 Nov
United Airlines Logo
10:15 - 07:10BOS-LHR
15h 55m1 stop
United Airlines Logo
12:05 - 20:00LHR-BOS
12h 55m1 stop
£377United Airlines
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Wed, 19 Nov - Mon, 24 Nov
Air Canada Logo
10:15 - 06:30BOS-LHR
15h 15m2 stops
Air Canada Logo
09:00 - 21:27LHR-BOS
17h 27m2 stops
£382Air Canada
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Wed, 19 Nov - Tue, 25 Nov

JetBlue flights from New Hampshire to London Heathrow Airport

Our best JetBlue deals on New Hampshire to London Heathrow Airport flight tickets
JetBlue
10 Nov
BOS19:12Boston Logan Intl
6h 43m
LHR06:55London Heathrow
13 Nov
LHR09:20London Heathrow
7h 54m
BOS12:14Boston Logan Intl
£382
Find similar
JetBlue
11 Jan
BOS13:25Boston Logan Intl
15h 05m
1 stop
LHR09:30London Heathrow
21 Jan
LHR09:20London Heathrow
7h 56m
BOS12:16Boston Logan Intl
£386
Find similar
JetBlue
13 Nov
BOS19:12Boston Logan Intl
6h 43m
LHR06:55London Heathrow
20 Nov
LHR12:20London Heathrow
13h 32m
1 stop
BOS20:52Boston Logan Intl
£390
Find similar

British Airways flights from New Hampshire to London Heathrow Airport

Our best British Airways deals on New Hampshire to London Heathrow Airport flight tickets
British Airways
3 Dec
BOS21:35Boston Logan Intl
6h 40m
LHR09:15London Heathrow
4 Dec
LHR11:40London Heathrow
7h 40m
BOS14:20Boston Logan Intl
£391
Find similar
British Airways
16 Jan
BOS07:30Boston Logan Intl
6h 30m
LHR19:00London Heathrow
20 Jan
LHR13:30London Heathrow
7h 45m
BOS16:15Boston Logan Intl
£392
Find similar
British Airways
6 Nov
BOS06:00Boston Logan Intl
11h 10m
1 stop
LHR22:10London Heathrow
16 Nov
LHR10:35London Heathrow
13h 12m
1 stop
BOS18:47Boston Logan Intl
£396
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momondo Fare Finder

 
Customise your flight search to find flights from New Hampshire to London Heathrow Airport 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 October 2025.
Use the filters below to find and compare flights from New Hampshire to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 14/11

21:50-13:00

1 stop10h 10m

London Heathrow

Fri 21/11

06:00-14:05

1 stop13h 05m

£371

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 15/1

19:25-09:15

1 stop8h 50m

London Heathrow

Mon 19/1

10:00-16:50

1 stop11h 50m

£372

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 9/1

20:40-13:00

1 stop11h 20m

London Heathrow

Mon 26/1

11:10-18:35

1 stop12h 25m

£373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 13/11

21:50-11:15

1 stop32h 25m

London Heathrow

Sun 16/11

09:00-17:50

1 stop13h 50m

£373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/3

20:50-10:50

1 stop10h 00m

London Heathrow

Wed 18/3

20:35-11:35

1 stop19h 00m

£374

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 4/1

19:25-09:15

1 stop8h 50m

London Heathrow

Sat 31/1

10:00-16:50

1 stop11h 50m

£375

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 19/11

19:50-19:30

1 stop18h 40m

London Heathrow

Mon 24/11

20:35-17:50

1 stop26h 15m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 19/11

10:15-07:10

1 stop15h 55m

London Heathrow

Tue 25/11

09:00-19:12

2 stops15h 12m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 19/11

10:15-07:10

1 stop15h 55m

London Heathrow

Mon 24/11

12:05-20:00

1 stop12h 55m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 19/11

10:15-06:30

2 stops15h 15m

London Heathrow

Tue 25/11

09:00-21:27

2 stops17h 27m

£382

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from New Hampshire to London Heathrow Airport

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 month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from New Hampshire to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £422. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from New Hampshire averaging around £429.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from New Hampshire is on a Monday. momondo users have found tickets for Monday departures for as low as £486. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £595.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from New Hampshire to London Heathrow Airport in the evening for as low as £518. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £628 on average. Flights to London Heathrow Airport from New Hampshire in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £483 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New Hampshire for as low as £457 on momondo.

Cheap New Hampshire to London Heathrow Airport flight deals and tips

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

Fastest flight time

6h 30m

Direct flights

Every day
The fastest flight from New Hampshire to London Heathrow Airport takes 6h 30m
Direct flights go from New Hampshire to London Heathrow Airport every day.
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  • When did momondo last update prices for flights from New Hampshire to London Heathrow Airport?

    Prices for flights from New Hampshire to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to London Heathrow Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Hampshire to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Colchester
Dover
Hayes
Chelmsford

Why use momondo?

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

Finding the right flight to London from New Hampshire 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 London quick and easy, saving you time and money.

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

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

How can momondo help me find flights from New Hampshire to London?

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 New Hampshire to London.

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

Of course. momondo tracks the price of New Hampshire to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Heathrow Airport trip

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