Cheap flights from London to New Hampshire from €348

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 19/9. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to New Hampshire

Cheap return flights

Austrian Airlines Logo
06:00 - 13:50LHR-BOS
12h 50m1 stop
Austrian Airlines Logo
14:36 - 06:55BOS-LHR
11h 19m1 stop
€392Austrian Airlines
Find Deal
Fri, 26 Sep - Sat, 4 Oct
JetBlue Logo
12:10 - 15:16LGW-BOS
8h 06mdirect
JetBlue Logo
21:48 - 09:35BOS-LGW
6h 47mdirect
€392JetBlue
Find Deal
Fri, 26 Sep - Sat, 4 Oct
United Airlines Logo
07:30 - 18:32LHR-BOS
15h 02m2 stops
United Airlines Logo
21:50 - 16:20BOS-LHR
13h 30m1 stop
€393United Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
United Airlines Logo
08:30 - 16:00LHR-BOS
12h 30m1 stop
United Airlines Logo
10:20 - 09:35BOS-LHR
18h 15m1 stop
€394United Airlines
Find Deal
Fri, 26 Sep - Fri, 17 Oct
LEVEL Logo
16:30 - 21:15LGW-BOS
33h 45m1 stop
LEVEL Logo
23:00 - 23:10BOS-LGW
19h 10m1 stop
€397LEVEL
Find Deal
Wed, 15 Oct - Thu, 23 Oct
SWISS Logo
09:25 - 15:25LCY-BOS
11h 00m1 stop
SWISS Logo
21:40 - 12:30BOS-LCY
9h 50m1 stop
€404SWISS
Find Deal
Wed, 15 Oct - Mon, 20 Oct
SWISS Logo
09:25 - 15:25LCY-BOS
11h 00m1 stop
SWISS Logo
21:40 - 12:30BOS-LCY
9h 50m1 stop
€405SWISS
Find Deal
Wed, 15 Oct - Wed, 22 Oct
British Airways Logo
07:30 - 15:15LHR-BOS
12h 45m1 stop
British Airways Logo
21:35 - 09:15BOS-LHR
6h 40mdirect
€405British Airways
Find Deal
Tue, 25 Nov - Tue, 2 Dec
British Airways Logo
06:15 - 15:47LHR-BOS
14h 32m2 stops
British Airways Logo
15:30 - 06:35BOS-LHR
10h 05m1 stop
€409British Airways
Find Deal
Mon, 15 Dec - Tue, 23 Dec
LEVEL Logo
16:25 - 20:55LGW-BOS
33h 30m1 stop
LEVEL Logo
22:40 - 23:20BOS-LGW
19h 40m1 stop
€413LEVEL
Find Deal
Fri, 12 Dec - Mon, 29 Dec

Delta flights from London to New Hampshire

Our best Delta deals on London to New Hampshire flight tickets
Delta
1 Oct
LHR09:55London Heathrow
11h 35m
1 stop
BOS16:30Boston Logan Intl
9 Oct
BOS19:05Boston Logan Intl
6h 40m
LHR06:45London Heathrow
Delta
1 Oct
LHR06:30London Heathrow
15h 00m
1 stop
BOS16:30Boston Logan Intl
6 Oct
BOS20:15Boston Logan Intl
6h 50m
LHR08:05London Heathrow
Delta
17 Dec
LHR10:00London Heathrow
13h 55m
1 stop
BOS18:55Boston Logan Intl
7 Jan
BOS19:10Boston Logan Intl
6h 40m
LHR06:50London Heathrow

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
3 Dec
LGW09:35London Gatwick
39h 35m
2 stops
BOS20:10Boston Logan Intl
10 Dec
BOS18:05Boston Logan Intl
10h 45m
1 stop
LGW09:50London Gatwick
TAP AIR PORTUGAL
22 Oct
LGW10:35London Gatwick
15h 10m
2 stops
BOS20:45Boston Logan Intl
29 Oct
BOS19:05Boston Logan Intl
10h 45m
1 stop
LGW09:50London Gatwick
TAP AIR PORTUGAL
16 Sept
LGW21:15London Gatwick
28h 30m
1 stop
BOS20:45Boston Logan Intl
3 Dec
BOS18:05Boston Logan Intl
16h 00m
1 stop
LGW15:05London Gatwick

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 13,528 searches. Data last updated 14 September 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

Fri 26/9

06:00-13:50

1 stop12h 50m

Boston Logan Intl

Sat 4/10

14:36-06:55

1 stop11h 19m

€392

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 26/9

12:10-15:16

Nonstop8h 06m

Boston Logan Intl

Sat 4/10

21:48-09:35

Nonstop6h 47m

€392

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/10

07:30-18:32

2 stops15h 02m

Boston Logan Intl

Mon 3/11

21:50-16:20

1 stop13h 30m

€393

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 26/9

08:30-16:00

1 stop12h 30m

Boston Logan Intl

Fri 17/10

10:20-09:35

1 stop18h 15m

€394

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 15/10

16:30-21:15

1 stop33h 45m

Boston Logan Intl

Thu 23/10

23:00-23:10

1 stop19h 10m

€397

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 15/10

09:25-15:25

1 stop11h 00m

Boston Logan Intl

Mon 20/10

21:40-12:30

1 stop9h 50m

€404

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 15/10

09:25-15:25

1 stop11h 00m

Boston Logan Intl

Wed 22/10

21:40-12:30

1 stop9h 50m

€405

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 25/11

07:30-15:15

1 stop12h 45m

Boston Logan Intl

Tue 2/12

21:35-09:15

Nonstop6h 40m

€405

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 15/12

06:15-15:47

2 stops14h 32m

Boston Logan Intl

Tue 23/12

15:30-06:35

1 stop10h 05m

€409

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 12/12

16:25-20:55

1 stop33h 30m

Boston Logan Intl

Mon 29/12

22:40-23:20

1 stop19h 40m

€413

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 airline that flies from London to New Hampshire?

British Airways, TAP AIR PORTUGAL, and LEVEL are the most popular carriers operating from London to New Hampshire

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 20m

Direct flights

Every day

Airports in New Hampshire

1 airport
The fastest flight from London to New Hampshire takes 7h 20m
Direct flights go from London to New Hampshire every day.
There is 1 airport near New Hampshire: Boston Logan Intl (BOS)
  • When did momondo last update prices for flights from London to New Hampshire?

    Prices for flights from London to New Hampshire are updated daily.

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

    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 stopovers. It is recommended that you verify with the airline you are booking with for travel from London to New Hampshire.

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

    The travel and health documents required for your trip to New Hampshire 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 licence, and a passport valid for six-months after you plan to arrive at New Hampshire. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

Yes. momondo enables you to select and highlight flights to New Hampshire from London with this policy.

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

momondo provides multiple filters to help you find the best flight to New Hampshire from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to New Hampshire from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 14/10
Tue 21/10

Find better results for your trip to New Hampshire

Popular Cities in New Hampshire

Popular flights according to clicks in the last 7 days on momondo