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Cheap flights from London to New Hampshire from £308

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 22/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:45 - 20:10LGW-BOS
14h 25m2 stops
TAP AIR PORTUGAL Logo
18:05 - 15:50BOS-LGW
16h 45m1 stop
£344TAP AIR PORTUGAL
Find Deal
Fri, 16 Jan - Thu, 22 Jan
TAP AIR PORTUGAL Logo
08:15 - 21:10LHR-BOS
16h 55m1 stop
TAP AIR PORTUGAL Logo
23:45 - 21:35BOS-LHR
17h 50m1 stop
£345TAP AIR PORTUGAL
Find Deal
Thu, 12 Mar - Thu, 19 Mar
Icelandair Logo
11:55 - 17:50LGW-BOS
10h 55m1 stop
Icelandair Logo
20:50 - 10:55BOS-LGW
10h 05m1 stop
£349Icelandair
Find Deal
Mon, 2 Mar - Tue, 10 Mar
Icelandair Logo
12:15 - 17:50LHR-BOS
10h 35m1 stop
Icelandair Logo
20:50 - 10:50BOS-LHR
10h 00m1 stop
£352Icelandair
Find Deal
Mon, 2 Mar - Wed, 11 Mar
Multiple Airlines Logo
06:30 - 17:50STN-BOS
16h 20m2 stops
Multiple Airlines Logo
19:50 - 21:20BOS-STN
20h 30m2 stops
£359Multiple Airlines
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Wed, 3 Dec - Mon, 8 Dec
Multiple Airlines Logo
08:50 - 17:50LGW-BOS
14h 00m2 stops
Multiple Airlines Logo
19:50 - 19:25BOS-LGW
18h 35m2 stops
£364Multiple Airlines
Find Deal
Wed, 3 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
06:40 - 15:50LHR-BOS
14h 10m2 stops
Scandinavian Airlines Logo
17:35 - 14:35BOS-LHR
16h 00m2 stops
£385Scandinavian Airlines
Find Deal
Tue, 17 Feb - Tue, 24 Feb
Scandinavian Airlines Logo
07:05 - 15:50LHR-BOS
13h 45m2 stops
Scandinavian Airlines Logo
17:35 - 21:40BOS-LHR
23h 05m1 stop
£389Scandinavian Airlines
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Tue, 27 Jan - Mon, 2 Feb
SWISS Logo
09:15 - 20:20LCY-BOS
16h 05m1 stop
SWISS Logo
21:50 - 12:55BOS-LCY
10h 05m1 stop
£417SWISS
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Tue, 17 Feb - Tue, 24 Feb
SWISS Logo
09:15 - 20:20LCY-BOS
16h 05m1 stop
SWISS Logo
21:50 - 17:05BOS-LCY
14h 15m1 stop
£419SWISS
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Tue, 3 Feb - Tue, 10 Feb

Icelandair flights from London to New Hampshire

Our best Icelandair deals on London to New Hampshire flight tickets
Icelandair
2 Mar
LGW11:55London Gatwick
10h 55m
1 stop
BOS17:50Boston Logan Intl
10 Mar
BOS20:50Boston Logan Intl
10h 05m
1 stop
LGW10:55London Gatwick
£349
Find similar
Icelandair
2 Mar
LHR12:15London Heathrow
10h 35m
1 stop
BOS17:50Boston Logan Intl
11 Mar
BOS20:50Boston Logan Intl
10h 00m
1 stop
LHR10:50London Heathrow
£352
Find similar
Icelandair
8 Dec
LHR20:35London Heathrow
26h 15m
1 stop
BOS17:50Boston Logan Intl
15 Dec
BOS19:50Boston Logan Intl
18h 40m
1 stop
LHR19:30London Heathrow
£353
Find similar

ITA Airways flights from London to New Hampshire

Our best ITA Airways deals on London to New Hampshire flight tickets
ITA Airways
17 Mar
LCY16:45London City
26h 00m
1 stop
BOS14:45Boston Logan Intl
25 Mar
BOS18:20Boston Logan Intl
12h 35m
1 stop
LCY10:55London City
£444
Find similar
ITA Airways
3 Mar
LCY16:45London City
26h 00m
1 stop
BOS13:45Boston Logan Intl
11 Mar
BOS18:20Boston Logan Intl
12h 35m
1 stop
LCY10:55London City
£447
Find similar
ITA Airways
20 Nov
LCY08:25London City
34h 20m
1 stop
BOS13:45Boston Logan Intl
30 Nov
BOS17:20Boston Logan Intl
12h 35m
1 stop
LCY10:55London City
£450
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 11 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

Fri 16/1

10:45-20:10

2 stops14h 25m

Boston Logan Intl

Thu 22/1

18:05-15:50

1 stop16h 45m

£344

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 12/3

08:15-21:10

1 stop16h 55m

Boston Logan Intl

Thu 19/3

23:45-21:35

1 stop17h 50m

£345

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 2/3

11:55-17:50

1 stop10h 55m

Boston Logan Intl

Tue 10/3

20:50-10:55

1 stop10h 05m

£349

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/3

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Wed 11/3

20:50-10:50

1 stop10h 00m

£352

LondonBoston

STN - BOS

STNBOS

London Stansted

Wed 3/12

06:30-17:50

2 stops16h 20m

Boston Logan Intl

Mon 8/12

19:50-21:20

2 stops20h 30m

£358

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 3/12

08:50-17:50

2 stops14h 00m

Boston Logan Intl

Mon 8/12

19:50-19:25

2 stops18h 35m

£364

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 17/2

06:40-15:50

2 stops14h 10m

Boston Logan Intl

Tue 24/2

17:35-14:35

2 stops16h 00m

£385

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 27/1

07:05-15:50

2 stops13h 45m

Boston Logan Intl

Mon 2/2

17:35-21:40

1 stop23h 05m

£389

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 17/2

09:15-20:20

1 stop16h 05m

Boston Logan Intl

Tue 24/2

21:50-12:55

1 stop10h 05m

£417

LondonBoston

LCY - BOS

LCYBOS

London City

Tue 3/2

09:15-20:20

1 stop16h 05m

Boston Logan Intl

Tue 10/2

21:50-17:05

1 stop14h 15m

£419

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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
1,335 reviews
Search Finnair flights
IcelandairPriceFrom £776Free CancellationRating
7.1
578 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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