Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London to New Hampshire from £298

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 10/11. 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

Discover deals from 900+ travel sites with momondo.

Voted 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.
Search flight deals

Find the cheapest flights from London to New Hampshire

Cheap return flights

United Airlines Logo
13:30 - 20:10LHR-BOS
11h 40m1 stop
United Airlines Logo
06:00 - 20:40BOS-LHR
9h 40m1 stop
£332United Airlines
Find Deal
Wed, 1 Oct - Sat, 11 Oct
TAP AIR PORTUGAL Logo
16:35 - 14:35LGW-BOS
27h 00m1 stop
TAP AIR PORTUGAL Logo
22:45 - 15:50BOS-LGW
12h 05m1 stop
£332TAP AIR PORTUGAL
Find Deal
Wed, 5 Nov - Thu, 20 Nov
SWISS Logo
13:30 - 20:20LCY-BOS
11h 50m1 stop
SWISS Logo
21:50 - 12:50BOS-LCY
10h 00m1 stop
£333SWISS
Find Deal
Wed, 5 Nov - Sun, 9 Nov
Air Canada Logo
09:00 - 19:12LHR-BOS
15h 12m2 stops
Air Canada Logo
10:15 - 06:30BOS-LHR
15h 15m2 stops
£333Air Canada
Find Deal
Wed, 5 Nov - Thu, 20 Nov
Austrian Airlines Logo
06:00 - 13:50LHR-BOS
12h 50m1 stop
Austrian Airlines Logo
14:36 - 06:55BOS-LHR
11h 19m1 stop
£334Austrian Airlines
Find Deal
Fri, 3 Oct - Sat, 11 Oct
Icelandair Logo
08:25 - 11:22LHR-BOS
7h 57mdirect
Icelandair Logo
18:13 - 06:30BOS-LHR
7h 17mdirect
£336Icelandair
Find Deal
Thu, 9 Oct - Sun, 19 Oct
Icelandair Logo
08:25 - 11:27LHR-BOS
8h 02mdirect
Icelandair Logo
18:13 - 06:30BOS-LHR
7h 17mdirect
£337Icelandair
Find Deal
Wed, 1 Oct - Fri, 10 Oct
Air Canada Logo
09:00 - 19:12LHR-BOS
15h 12m2 stops
Air Canada Logo
15:40 - 07:10BOS-LHR
10h 30m1 stop
£338Air Canada
Find Deal
Fri, 28 Nov - Mon, 1 Dec
SWISS Logo
18:40 - 20:20LGW-BOS
30h 40m1 stop
SWISS Logo
21:50 - 17:50BOS-LGW
15h 00m1 stop
£343SWISS
Find Deal
Tue, 11 Nov - Tue, 9 Dec
Austrian Airlines Logo
06:00 - 13:50LHR-BOS
12h 50m1 stop
Austrian Airlines Logo
14:21 - 10:50BOS-LHR
15h 29m1 stop
£349Austrian Airlines
Find Deal
Fri, 24 Oct - Wed, 12 Nov

SWISS flights from London to New Hampshire

Our best SWISS deals on London to New Hampshire flight tickets
SWISS
5 Nov
LCY13:30London City
11h 50m
1 stop
BOS20:20Boston Logan Intl
9 Nov
BOS21:50Boston Logan Intl
10h 00m
1 stop
LCY12:50London City
£333
Find similar
SWISS
11 Nov
LGW18:40London Gatwick
30h 40m
1 stop
BOS20:20Boston Logan Intl
9 Dec
BOS21:50Boston Logan Intl
15h 00m
1 stop
LGW17:50London Gatwick
£343
Find similar
SWISS
7 Oct
LCY09:25London City
11h 00m
1 stop
BOS15:25Boston Logan Intl
14 Oct
BOS17:05Boston Logan Intl
10h 45m
1 stop
LCY08:50London City
£347
Find similar

Delta flights from London to New Hampshire

Our best Delta deals on London to New Hampshire flight tickets
Delta
22 Sept
LHR06:30London Heathrow
12h 10m
1 stop
BOS13:40Boston Logan Intl
14 Oct
BOS22:45Boston Logan Intl
6h 45m
LHR10:30London Heathrow
£350
Find similar
Delta
25 Nov
LHR06:30London Heathrow
11h 50m
1 stop
BOS13:20Boston Logan Intl
2 Dec
BOS20:00Boston Logan Intl
6h 50m
LHR07:50London Heathrow
£351
Find similar
Delta
1 Oct
LHR08:40London Heathrow
12h 50m
1 stop
BOS16:30Boston Logan Intl
9 Oct
BOS19:05Boston Logan Intl
6h 40m
LHR06:45London Heathrow
£352
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 18 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

Wed 1/10

13:30-20:10

1 stop11h 40m

Boston Logan Intl

Sat 11/10

06:00-20:40

1 stop9h 40m

£332

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 5/11

16:35-14:35

1 stop27h 00m

Boston Logan Intl

Thu 20/11

22:45-15:50

1 stop12h 05m

£332

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 5/11

13:30-20:20

1 stop11h 50m

Boston Logan Intl

Sun 9/11

21:50-12:50

1 stop10h 00m

£333

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 5/11

09:00-19:12

2 stops15h 12m

Boston Logan Intl

Thu 20/11

10:15-06:30

2 stops15h 15m

£333

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 3/10

06:00-13:50

1 stop12h 50m

Boston Logan Intl

Sat 11/10

14:36-06:55

1 stop11h 19m

£334

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 9/10

08:25-11:22

Nonstop7h 57m

Boston Logan Intl

Sun 19/10

18:13-06:30

Nonstop7h 17m

£336

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 1/10

08:25-11:27

Nonstop8h 02m

Boston Logan Intl

Fri 10/10

18:13-06:30

Nonstop7h 17m

£337

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 28/11

09:00-19:12

2 stops15h 12m

Boston Logan Intl

Mon 1/12

15:40-07:10

1 stop10h 30m

£338

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 11/11

18:40-20:20

1 stop30h 40m

Boston Logan Intl

Tue 9/12

21:50-17:50

1 stop15h 00m

£343

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 24/10

06:00-13:50

1 stop12h 50m

Boston Logan Intl

Wed 12/11

14:21-10:50

1 stop15h 29m

£349

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 month to fly to New Hampshire?

The month of February is, on average, the cheapest month to fly to New Hampshire from London, with most prices found around £389. If you’re not able to fly to New Hampshire in February, then September is your next best option. Flight prices from London to New Hampshire during September average around £389.

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 £480. 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 £572.

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 £485. Flights in the evening are often more expensive, with an average ticket price of £689.

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 £452 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 £411 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 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)
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
United AirlinesPriceFrom £555Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
FinnairPriceFrom £607Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
IcelandairPriceFrom £748Free CancellationRating
7.0
545 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
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 18/10
Sat 25/10
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to New Yorkfrom £251
Flights to Orlandofrom £271
Flights to Los Angelesfrom £324
Flights to Miamifrom £285
Flights to San Franciscofrom £344
Flights to Bostonfrom £289
Flights to Las Vegasfrom £382
Flights to Chicagofrom £322
Flights to Washington, D.C.from £319
Flights to Atlantafrom £374
Flights to Dallasfrom £369
Flights to Houstonfrom £363