Cheap flights from London to New Hampshire from €356

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 1/12. 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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0 bags
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Find the cheapest flights from London to New Hampshire

Cheap return flights

SWISS Logo
09:25 - 15:25LCY-BOS
11h 00m1 stop
SWISS Logo
17:05 - 08:50BOS-LCY
10h 45m1 stop
€410SWISS
Find Deal
Wed, 17 Sep - Thu, 25 Sep
Delta Logo
06:30 - 18:55LHR-BOS
17h 25m1 stop
Delta Logo
20:00 - 07:50BOS-LHR
6h 50mdirect
€410Delta
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Wed, 14 Jan - Mon, 19 Jan
 Logo
08:45 - 23:59LCY-BOS
20h 14m2 stops
 Logo
17:05 - 12:30BOS-LCY
14h 25m1 stop
€412
Find Deal
Mon, 29 Sep - Tue, 14 Oct
British Airways Logo
08:55 - 11:15LHR-BOS
7h 20mdirect
British Airways Logo
20:10 - 07:50BOS-LHR
6h 40mdirect
€413British Airways
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Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
09:00 - 17:50LHR-BOS
13h 50m1 stop
United Airlines Logo
06:00 - 21:20BOS-LHR
10h 20m1 stop
€413United Airlines
Find Deal
Fri, 26 Dec - Thu, 8 Jan
TAP AIR PORTUGAL Logo
09:35 - 20:10LGW-BOS
39h 35m2 stops
TAP AIR PORTUGAL Logo
18:05 - 09:50BOS-LGW
10h 45m1 stop
€413TAP AIR PORTUGAL
Find Deal
Wed, 3 Dec - Wed, 10 Dec
British Airways Logo
15:05 - 17:15LGW-BOS
31h 10m1 stop
British Airways Logo
15:00 - 08:10BOS-LGW
12h 10m1 stop
€414British Airways
Find Deal
Fri, 10 Oct - Thu, 16 Oct
 Logo
08:45 - 23:22LCY-BOS
19h 37m2 stops
 Logo
21:40 - 12:30BOS-LCY
9h 50m1 stop
€414
Find Deal
Wed, 17 Sep - Mon, 29 Sep
United Airlines Logo
06:30 - 15:55LHR-BOS
14h 25m1 stop
United Airlines Logo
12:34 - 07:40BOS-LHR
14h 06m2 stops
€416United Airlines
Find Deal
Sat, 18 Oct - Sat, 25 Oct
TAP AIR PORTUGAL Logo
09:35 - 20:10LGW-BOS
39h 35m2 stops
TAP AIR PORTUGAL Logo
18:05 - 15:05BOS-LGW
16h 00m1 stop
€419TAP AIR PORTUGAL
Find Deal
Wed, 3 Dec - Wed, 10 Dec

SWISS flights from London to New Hampshire

Our best SWISS deals on London to New Hampshire flight tickets
SWISS
17 Sept
LCY09:25London City
11h 00m
1 stop
BOS15:25Boston Logan Intl
25 Sept
BOS17:05Boston Logan Intl
10h 45m
1 stop
LCY08:50London City
SWISS
22 Oct
LHR07:00London Heathrow
13h 25m
2 stops
BOS15:25Boston Logan Intl
3 Nov
BOS21:50Boston Logan Intl
13h 30m
1 stop
LHR16:20London Heathrow
SWISS
16 Oct
LCY09:25London City
11h 00m
1 stop
BOS15:25Boston Logan Intl
21 Oct
BOS21:40Boston Logan Intl
9h 50m
1 stop
LCY12:30London City

Delta flights from London to New Hampshire

Our best Delta deals on London to New Hampshire flight tickets
Delta
14 Jan
LHR06:30London Heathrow
17h 25m
1 stop
BOS18:55Boston Logan Intl
21 Jan
BOS19:10Boston Logan Intl
6h 40m
LHR06:50London Heathrow
Delta
22 Oct
LHR09:40London Heathrow
7h 45m
BOS12:25Boston Logan Intl
3 Nov
BOS19:10Boston Logan Intl
6h 40m
LHR06:50London Heathrow
Delta
15 Sept
LHR09:40London Heathrow
7h 40m
BOS12:20Boston Logan Intl
22 Sept
BOS19:05Boston Logan Intl
6h 40m
LHR06:45London Heathrow

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 3 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

LCY - BOS

LCYBOS

London City

Wed 17/9

09:25-15:25

1 stop11h 00m

Boston Logan Intl

Thu 25/9

17:05-08:50

1 stop10h 45m

€410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 14/1

06:30-18:55

1 stop17h 25m

Boston Logan Intl

Mon 19/1

20:00-07:50

Nonstop6h 50m

€410

LondonBoston

LCY - BOS

LCYBOS

London City

Mon 29/9

08:45-23:59

2 stops20h 14m

Boston Logan Intl

Tue 14/10

17:05-12:30

1 stop14h 25m

€412

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 15/9

08:55-11:15

Nonstop7h 20m

Boston Logan Intl

Mon 22/9

20:10-07:50

Nonstop6h 40m

€412

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 26/12

09:00-17:50

1 stop13h 50m

Boston Logan Intl

Thu 8/1

06:00-21:20

1 stop10h 20m

€413

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 3/12

09:35-20:10

2 stops39h 35m

Boston Logan Intl

Wed 10/12

18:05-09:50

1 stop10h 45m

€413

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Fri 10/10

15:05-17:15

1 stop31h 10m

Boston Logan Intl

Thu 16/10

15:00-08:10

1 stop12h 10m

€414

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 17/9

08:45-23:22

2 stops19h 37m

Boston Logan Intl

Mon 29/9

21:40-12:30

1 stop9h 50m

€414

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 18/10

06:30-15:55

1 stop14h 25m

Boston Logan Intl

Sat 25/10

12:34-07:40

2 stops14h 06m

€416

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 3/12

09:35-20:10

2 stops39h 35m

Boston Logan Intl

Wed 10/12

18:05-15:05

1 stop16h 00m

€418

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 airline that flies from London to New Hampshire?

LEVEL, TAP AIR PORTUGAL, and JetBlue 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.

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1 adult
Mon 8/9
Mon 15/9

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Popular Cities in New Hampshire

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