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Cheap flights from London to New Hampshire from £336

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 20/2. 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 to New Hampshire

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
06:50 - 19:42LHR-BOS
17h 52m2 stops
Air Canada Logo
15:40 - 09:20BOS-LHR
12h 40m2 stops
£388Air Canada
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Sun, 18 Jan - Fri, 30 Jan
Air Canada Logo
08:45 - 17:57LHR-BOS
14h 12m2 stops
Air Canada Logo
10:35 - 08:35BOS-LHR
17h 00m2 stops
£389Air Canada
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Thu, 16 Apr - Thu, 30 Apr
Lufthansa Logo
12:05 - 18:57LHR-BOS
11h 52m1 stop
Lufthansa Logo
14:20 - 06:40BOS-LHR
11h 20m1 stop
£389Lufthansa
Find Deal
Sat, 10 Jan - Thu, 15 Jan
Icelandair Logo
11:55 - 18:50LGW-BOS
10h 55m1 stop
Icelandair Logo
12:35 - 10:55BOS-LGW
18h 20m1 stop
£390Icelandair
Find Deal
Sat, 14 Mar - Sat, 21 Mar
Austrian Airlines Logo
12:05 - 18:57LHR-BOS
11h 52m1 stop
Austrian Airlines Logo
14:20 - 06:40BOS-LHR
11h 20m1 stop
£390Austrian Airlines
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Mon, 12 Jan - Mon, 19 Jan
United Airlines Logo
10:50 - 17:40LHR-BOS
11h 50m1 stop
United Airlines Logo
20:05 - 17:05BOS-LHR
16h 00m1 stop
£391United Airlines
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Wed, 6 May - Mon, 18 May
United Airlines Logo
07:30 - 17:25LHR-BOS
14h 55m2 stops
United Airlines Logo
15:20 - 10:00BOS-LHR
13h 40m1 stop
£392United Airlines
Find Deal
Thu, 7 May - Sat, 16 May
Virgin Atlantic Logo
09:40 - 12:30LHR-BOS
7h 50mdirect
Virgin Atlantic Logo
19:10 - 06:50BOS-LHR
6h 40mdirect
£392Virgin Atlantic
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Wed, 14 Jan - Tue, 20 Jan
Icelandair Logo
12:15 - 17:50LHR-BOS
10h 35m1 stop
Icelandair Logo
19:50 - 10:50BOS-LHR
10h 00m1 stop
£394Icelandair
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Sun, 18 Jan - Fri, 30 Jan
Lufthansa Logo
09:15 - 15:55LCY-BOS
11h 40m1 stop
Lufthansa Logo
17:40 - 18:35BOS-LCY
19h 55m1 stop
£412Lufthansa
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Thu, 23 Apr - Mon, 27 Apr

Air Canada flights from London to New Hampshire

Our best Air Canada deals on London to New Hampshire flight tickets
Air Canada
18 Jan
LHR06:50London Heathrow
17h 52m
2 stops
BOS19:42Boston Logan Intl
30 Jan
BOS15:40Boston Logan Intl
12h 40m
2 stops
LHR09:20London Heathrow
£388
Find similar
Air Canada
16 Apr
LHR08:45London Heathrow
14h 12m
2 stops
BOS17:57Boston Logan Intl
30 Apr
BOS10:35Boston Logan Intl
17h 00m
2 stops
LHR08:35London Heathrow
£389
Find similar
Air Canada
10 Dec
LHR13:25London Heathrow
11h 17m
1 stop
BOS19:42Boston Logan Intl
31 Dec
BOS15:40Boston Logan Intl
10h 30m
1 stop
LHR07:10London Heathrow
£392
Find similar

Lufthansa flights from London to New Hampshire

Our best Lufthansa deals on London to New Hampshire flight tickets
Lufthansa
10 Jan
LHR12:05London Heathrow
11h 52m
1 stop
BOS18:57Boston Logan Intl
15 Jan
BOS14:20Boston Logan Intl
11h 20m
1 stop
LHR06:40London Heathrow
£389
Find similar
Lufthansa
23 Apr
LCY09:15London City
11h 40m
1 stop
BOS15:55Boston Logan Intl
27 Apr
BOS17:40Boston Logan Intl
19h 55m
1 stop
LCY18:35London City
£412
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 2 December 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

LHR - BOS

LHRBOS

London Heathrow

Sun 18/1

06:50-19:42

2 stops17h 52m

Boston Logan Intl

Fri 30/1

15:40-09:20

2 stops12h 40m

£388

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 16/4

08:45-17:57

2 stops14h 12m

Boston Logan Intl

Thu 30/4

10:35-08:35

2 stops17h 00m

£389

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 10/1

12:05-18:57

1 stop11h 52m

Boston Logan Intl

Thu 15/1

14:20-06:40

1 stop11h 20m

£389

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 14/3

11:55-18:50

1 stop10h 55m

Boston Logan Intl

Sat 21/3

12:35-10:55

1 stop18h 20m

£390

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/1

12:05-18:57

1 stop11h 52m

Boston Logan Intl

Mon 19/1

14:20-06:40

1 stop11h 20m

£390

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 6/5

10:50-17:40

1 stop11h 50m

Boston Logan Intl

Mon 18/5

20:05-17:05

1 stop16h 00m

£391

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 7/5

07:30-17:25

2 stops14h 55m

Boston Logan Intl

Sat 16/5

15:20-10:00

1 stop13h 40m

£392

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 14/1

09:40-12:30

Nonstop7h 50m

Boston Logan Intl

Tue 20/1

19:10-06:50

Nonstop6h 40m

£392

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 18/1

12:15-17:50

1 stop10h 35m

Boston Logan Intl

Fri 30/1

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LCY - BOS

LCYBOS

London City

Thu 23/4

09:15-15:55

1 stop11h 40m

Boston Logan Intl

Mon 27/4

17:40-18:35

1 stop19h 55m

£412

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 £398. 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 £404.

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 Thursday. momondo users have found tickets for Thursday departures for as low as £505. 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 £573.

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 £500. Flights in the evening are often more expensive, with an average ticket price of £698.

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 £445 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
IcelandairPriceFrom £772Free CancellationRating
7.0
584 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.
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