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Cheap flights from London Heathrow Airport to New Hampshire from £309

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 Heathrow Airport to New Hampshire departing on 20/10. 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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Find the cheapest flights from London Heathrow Airport to New Hampshire

Cheap return flights

United Airlines Logo
12:40 - 17:38LHR-BOS
9h 58m1 stop
United Airlines Logo
10:25 - 06:40BOS-LHR
16h 15m2 stops
£358United Airlines
Find Deal
Fri, 24 Oct - Thu, 30 Oct
United Airlines Logo
06:30 - 15:55LHR-BOS
14h 25m1 stop
United Airlines Logo
22:00 - 17:40BOS-LHR
14h 40m1 stop
£358United Airlines
Find Deal
Mon, 22 Sep - Fri, 3 Oct
United Airlines Logo
12:15 - 18:56LHR-BOS
11h 41m1 stop
United Airlines Logo
19:08 - 10:40BOS-LHR
10h 32m1 stop
£359United Airlines
Find Deal
Wed, 8 Oct - Fri, 17 Oct
British Airways Logo
17:05 - 20:45LHR-BOS
7h 40mdirect
British Airways Logo
18:06 - 06:50BOS-LHR
31h 44m1 stop
£360British Airways
Find Deal
Tue, 28 Oct - Sun, 2 Nov
Air Canada Logo
08:30 - 15:59LHR-BOS
12h 29m1 stop
Air Canada Logo
15:15 - 09:35BOS-LHR
13h 20m1 stop
£360Air Canada
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Fri, 10 Oct - Thu, 23 Oct
LEVEL Logo
20:50 - 21:15LHR-BOS
29h 25m1 stop
LEVEL Logo
23:00 - 09:10BOS-LHR
29h 10m1 stop
£361LEVEL
Find Deal
Mon, 13 Oct - Fri, 17 Oct
Air Canada Logo
08:30 - 15:59LHR-BOS
12h 29m1 stop
Air Canada Logo
10:40 - 06:35BOS-LHR
14h 55m1 stop
£366Air Canada
Find Deal
Fri, 10 Oct - Wed, 22 Oct
British Airways Logo
20:10 - 22:40LHR-BOS
7h 30mdirect
British Airways Logo
07:25 - 18:55BOS-LHR
6h 30mdirect
£370British Airways
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Finnair Logo
18:10 - 22:50LHR-BOS
33h 40m2 stops
Finnair Logo
20:10 - 07:50BOS-LHR
6h 40mdirect
£373Finnair
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Sun, 28 Sep - Wed, 15 Oct
Finnair Logo
16:15 - 22:53LHR-BOS
34h 38m2 stops
Finnair Logo
19:25 - 07:00BOS-LHR
6h 35mdirect
£380Finnair
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Sun, 26 Oct - Mon, 3 Nov

Virgin Atlantic flights from London Heathrow Airport to New Hampshire

Our best Virgin Atlantic deals on London Heathrow Airport to New Hampshire flight tickets
Virgin Atlantic
11 Sept
LHR09:40London Heathrow
7h 40m
BOS12:20Boston Logan Intl
18 Sept
BOS09:59Boston Logan Intl
15h 26m
1 stop
LHR06:25London Heathrow
£363
Find similar
Virgin Atlantic
15 Sept
LHR18:15London Heathrow
7h 45m
BOS21:00Boston Logan Intl
22 Sept
BOS17:05Boston Logan Intl
12h 10m
1 stop
LHR10:15London Heathrow
£371
Find similar
Virgin Atlantic
15 Sept
LHR12:25London Heathrow
15h 05m
1 stop
BOS22:30Boston Logan Intl
27 Sept
BOS22:45Boston Logan Intl
6h 45m
LHR10:30London Heathrow
£380
Find similar

Air Canada flights from London Heathrow Airport to New Hampshire

Our best Air Canada deals on London Heathrow Airport to New Hampshire flight tickets
Air Canada
10 Oct
LHR08:30London Heathrow
12h 29m
1 stop
BOS15:59Boston Logan Intl
23 Oct
BOS15:15Boston Logan Intl
13h 20m
1 stop
LHR09:35London Heathrow
£360
Find similar
Air Canada
2 Sept
LHR06:50London Heathrow
12h 40m
2 stops
BOS14:30Boston Logan Intl
10 Sept
BOS10:40Boston Logan Intl
14h 50m
2 stops
LHR06:30London Heathrow
£362
Find similar
Air Canada
10 Oct
LHR08:30London Heathrow
12h 29m
1 stop
BOS15:59Boston Logan Intl
22 Oct
BOS10:40Boston Logan Intl
14h 55m
1 stop
LHR06:35London Heathrow
£366
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 29 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 24/10

12:40-17:38

1 stop9h 58m

Boston Logan Intl

Thu 30/10

10:25-06:40

2 stops16h 15m

£358

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 22/9

06:30-15:55

1 stop14h 25m

Boston Logan Intl

Fri 3/10

22:00-17:40

1 stop14h 40m

£358

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 8/10

12:15-18:56

1 stop11h 41m

Boston Logan Intl

Fri 17/10

19:08-10:40

1 stop10h 32m

£359

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 28/10

17:05-20:45

Nonstop7h 40m

Boston Logan Intl

Sun 2/11

18:06-06:50

1 stop31h 44m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/10

08:30-15:59

1 stop12h 29m

Boston Logan Intl

Thu 23/10

15:15-09:35

1 stop13h 20m

£360

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 13/10

20:50-21:15

1 stop29h 25m

Boston Logan Intl

Fri 17/10

23:00-09:10

1 stop29h 10m

£361

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/10

08:30-15:59

1 stop12h 29m

Boston Logan Intl

Wed 22/10

10:40-06:35

1 stop14h 55m

£366

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 13/10

20:10-22:40

Nonstop7h 30m

Boston Logan Intl

Mon 20/10

07:25-18:55

Nonstop6h 30m

£370

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/9

18:10-22:50

2 stops33h 40m

Boston Logan Intl

Wed 15/10

20:10-07:50

Nonstop6h 40m

£373

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 26/10

16:15-22:53

2 stops34h 38m

Boston Logan Intl

Mon 3/11

19:25-07:00

Nonstop6h 35m

£380

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 Heathrow Airport 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 Heathrow Airport, with most prices found around £397. If you’re not able to fly to New Hampshire in February, then September is your next best option. Flight prices from London Heathrow Airport to New Hampshire during September average around £400.

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 Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £481. 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 £575.

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 Heathrow Airport to New Hampshire during this time can be as low as £487. Flights in the evening are often more expensive, with an average ticket price of £681.

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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around £459 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 Heathrow Airport for as low as £420 on momondo.

Cheap London Heathrow Airport to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to New Hampshire

Fastest flight time

7h 20m

Direct flights

Every day

Airports in New Hampshire

1 airport
The fastest flight from London Heathrow Airport to New Hampshire takes 7h 20m
Direct flights go from London Heathrow Airport 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 Heathrow Airport to New Hampshire?

    Prices for flights from London Heathrow Airport to New Hampshire refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to New Hampshire?

  • How old do you have to be to fly from London Heathrow Airport 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 layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport 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 Heathrow Airport to New Hampshire

Compare and see reviews for airlines that fly from London Heathrow Airport to New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom £561Free CancellationRating
7.4
8,941 reviews
Search United Airlines flights
FinnairPriceFrom £613Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
IcelandairPriceFrom £756Free CancellationRating
7.0
537 reviews
Search Icelandair flights

Why use momondo?

Why should I use momondo to find a flight deal from London to New Hampshire?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to New Hampshire from London.

Can I find flights from London to New Hampshire with flexible booking policies on momondo?

Yes. All flights to New Hampshire from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to New Hampshire flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of London to New Hampshire flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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