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Cheap flights from London to New Hampshire from £319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to New Hampshire departing on 21/4. 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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Find the cheapest flights from London to New Hampshire

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:10 - 20:10LGW-BOS
15h 00m2 stops
TAP AIR PORTUGAL Logo
22:45 - 08:20BOS-LGW
28h 35m2 stops
£353TAP AIR PORTUGAL
Find Deal
Thu, 15 Jan - Fri, 6 Feb
TAP AIR PORTUGAL Logo
08:15 - 20:10LHR-BOS
16h 55m1 stop
TAP AIR PORTUGAL Logo
18:05 - 12:40BOS-LHR
13h 35m1 stop
£353TAP AIR PORTUGAL
Find Deal
Sat, 6 Dec - Sat, 31 Jan
Multiple Airlines Logo
06:30 - 17:50STN-BOS
16h 20m2 stops
Multiple Airlines Logo
19:50 - 17:50BOS-STN
17h 00m2 stops
£354Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
TAP AIR PORTUGAL Logo
08:15 - 20:10LHR-BOS
16h 55m1 stop
TAP AIR PORTUGAL Logo
18:05 - 12:40BOS-LHR
13h 35m1 stop
£354TAP AIR PORTUGAL
Find Deal
Sat, 6 Dec - Sat, 31 Jan
Icelandair Logo
13:05 - 18:50LHR-BOS
10h 45m1 stop
Icelandair Logo
20:50 - 20:20BOS-LHR
18h 30m1 stop
£356Icelandair
Find Deal
Thu, 16 Apr - Thu, 30 Apr
Multiple Airlines Logo
08:30 - 17:50STN-BOS
14h 20m2 stops
Multiple Airlines Logo
19:50 - 18:20BOS-STN
17h 30m2 stops
£356Multiple Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
Icelandair Logo
11:55 - 17:50LGW-BOS
10h 55m1 stop
Icelandair Logo
19:50 - 10:55BOS-LGW
10h 05m1 stop
£359Icelandair
Find Deal
Mon, 12 Jan - Mon, 19 Jan
Iberia Logo
12:55 - 20:55LHR-BOS
13h 00m1 stop
Iberia Logo
17:42 - 10:25BOS-LHR
11h 43m1 stop
£365Iberia
Find Deal
Sun, 28 Dec - Wed, 21 Jan
SWISS Logo
09:15 - 20:20LCY-BOS
16h 05m1 stop
SWISS Logo
22:10 - 12:55BOS-LCY
9h 45m1 stop
£435SWISS
Find Deal
Tue, 17 Feb - Mon, 23 Feb
SWISS Logo
13:30 - 21:20LCY-BOS
11h 50m1 stop
SWISS Logo
22:50 - 12:55BOS-LCY
10h 05m1 stop
£438SWISS
Find Deal
Thu, 12 Mar - Tue, 17 Mar

Icelandair flights from London to New Hampshire

Our best Icelandair deals on London to New Hampshire flight tickets
Icelandair
16 Apr
LHR13:05London Heathrow
10h 45m
1 stop
BOS18:50Boston Logan Intl
30 Apr
BOS23:30Boston Logan Intl
15h 50m
1 stop
LHR20:20London Heathrow
£355
Find similar
Icelandair
16 Apr
LHR13:05London Heathrow
10h 45m
1 stop
BOS18:50Boston Logan Intl
30 Apr
BOS20:50Boston Logan Intl
18h 30m
1 stop
LHR20:20London Heathrow
£356
Find similar
Icelandair
12 Jan
LGW11:55London Gatwick
10h 55m
1 stop
BOS17:50Boston Logan Intl
19 Jan
BOS19:50Boston Logan Intl
10h 05m
1 stop
LGW10:55London Gatwick
£359
Find similar

TAP AIR PORTUGAL flights from London to New Hampshire

Our best TAP AIR PORTUGAL deals on London to New Hampshire flight tickets
TAP AIR PORTUGAL
15 Jan
LGW10:10London Gatwick
15h 00m
2 stops
BOS20:10Boston Logan Intl
6 Feb
BOS22:45Boston Logan Intl
28h 35m
2 stops
LGW08:20London Gatwick
£353
Find similar
TAP AIR PORTUGAL
6 Dec
LHR08:15London Heathrow
16h 55m
1 stop
BOS20:10Boston Logan Intl
31 Jan
BOS18:05Boston Logan Intl
13h 35m
1 stop
LHR12:40London Heathrow
£353
Find similar
TAP AIR PORTUGAL
6 Dec
LHR08:15London Heathrow
16h 55m
1 stop
BOS20:10Boston Logan Intl
31 Jan
BOS18:05Boston Logan Intl
13h 35m
1 stop
LHR12:40London Heathrow
£354
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London to New Hampshire 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 17 November 2025.
Use the filters below to find and compare flights from London to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Thu 15/1

10:10-20:10

2 stops15h 00m

Boston Logan Intl

Fri 6/2

22:45-08:20

2 stops28h 35m

£353

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 6/12

08:15-20:10

1 stop16h 55m

Boston Logan Intl

Sat 31/1

18:05-12:40

1 stop13h 35m

£353

LondonBoston

STN - BOS

STNBOS

London Stansted

Wed 3/12

06:30-17:50

2 stops16h 20m

Boston Logan Intl

Wed 10/12

19:50-17:50

2 stops17h 00m

£354

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 6/12

08:15-20:10

1 stop16h 55m

Boston Logan Intl

Sat 31/1

18:05-12:40

1 stop13h 35m

£354

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 16/4

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Thu 30/4

20:50-20:20

1 stop18h 30m

£356

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 12/1

08:30-17:50

2 stops14h 20m

Boston Logan Intl

Mon 19/1

19:50-18:20

2 stops17h 30m

£356

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 12/1

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Mon 19/1

19:50-10:55

1 stop10h 05m

£359

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/12

12:55-20:55

1 stop13h 00m

Boston Logan Intl

Wed 21/1

17:42-10:25

1 stop11h 43m

£365

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 17/2

09:15-20:20

1 stop16h 05m

Boston Logan Intl

Mon 23/2

22:10-12:55

1 stop9h 45m

£435

LondonBoston

LCY - BOS

LCYBOS

London City

Thu 12/3

13:30-21:20

1 stop11h 50m

Boston Logan Intl

Tue 17/3

22:50-12:55

1 stop10h 05m

£438

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to New Hampshire from

How to get the cheapest flight ticket from London to New Hampshire

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 New Hampshire?

The month of September is, on average, the cheapest month to fly to New Hampshire from London, with most prices found around £400. If you’re not able to fly to New Hampshire in September, then February is your next best option. Flight prices from London to New Hampshire during February average around £406.

What is the cheapest day to depart on your flight to New Hampshire?

On average, the least expensive day to fly to New Hampshire from London is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £510. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around £587.

What is the cheapest time of day to depart on your flight to New Hampshire?

Our most recent data shows that the best time of day to fly to New Hampshire is at midday. Flights from London to New Hampshire during this time can be as low as £507. Flights in the evening are often more expensive, with an average ticket price of £720.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from London when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around £471 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from London for as low as £441 on momondo.

Can stopping save me money on London to New Hampshire flights?

You could potentially save up to 81% on your flight if you consider stops on a London to New Hampshire flight.

Cheap London to New Hampshire flight deals and tips

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

Fastest flight time

7h 25m

Direct flights

Every day

Airports in New Hampshire

1 airport
The fastest flight from London to New Hampshire takes 7h 25m
Direct flights go from London to New Hampshire every day.
There is 1 airport near New Hampshire: Boston Logan Intl (BOS)
Search flight deals

  • When did momondo last update prices for flights from London to New Hampshire?

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

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

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

    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 to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The travel and health documents you'll need for your trip to New Hampshire 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 New Hampshire. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to New Hampshire

Compare and see reviews for airlines that fly from London to New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
FinnairPriceFrom £470Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
IcelandairPriceFrom £776Free CancellationRating
7.0
580 reviews
Search Icelandair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to New Hampshire. momondo saves you time and could save you money on your trip.

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

Flights from London to New Hampshire with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 New Hampshire.

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

If you are simply researching potential flights to New Hampshire, momondo offers a useful price alert feature which will track prices for flights to New Hampshire from London and alert you when they change.

An easier way to manage your New Hampshire trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
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