How long is the flight from United Kingdom to New Hampshire?

On average, it takes 12h 19m to fly from United Kingdom to New Hampshire if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Manchester (the most popular airport in New Hampshire). If you’re flying out of Manchester and into Manchester, then the flight time is around 20h 03m.

£239 Cheap Flights to New Hampshire in 2026

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Recent flights found to popular cities in New Hampshire

Find flights to these popular cities in New Hampshire from your nearest airport.

Flights to Boston

Search all flight deals to Boston

Icelandair

6 May

LHR

10h 45m

1 stop

BOS

21 May

BOS

10h 05m

1 stop

LHR

£343

Icelandair

5 May

LHR

10h 45m

1 stop

BOS

20 May

BOS

10h 05m

1 stop

LHR

£344

Icelandair

5 May

LHR

10h 45m

1 stop

BOS

17 May

BOS

10h 05m

1 stop

LHR

£345

Icelandair

10 Mar

LGW

10h 55m

1 stop

BOS

31 Mar

BOS

12h 50m

1 stop

LGW

£345

Icelandair

18 Mar

LGW

10h 55m

1 stop

BOS

22 Mar

BOS

18h 20m

1 stop

LGW

£346

Icelandair

2 May

LHR

26h 25m

1 stop

BOS

16 May

BOS

10h 05m

1 stop

LHR

£346

Icelandair

18 Mar

LGW

10h 55m

1 stop

BOS

25 Mar

BOS

18h 20m

1 stop

LGW

£346

Icelandair

14 Apr

LHR

26h 25m

1 stop

BOS

26 Apr

BOS

16h 20m

1 stop

LHR

£347

Icelandair

12 Mar

LGW

10h 55m

1 stop

BOS

23 Sept

BOS

12h 50m

1 stop

LGW

£347

British Airways

26 Mar

LHR

7h 40m

BOS

4 Apr

BOS

6h 35m

LHR

£348

United Airlines

4 Mar

LHR

12h 03m

1 stop

BOS

11 Mar

BOS

11h 55m

1 stop

LHR

£348

Icelandair

8 May

LGW

11h 05m

1 stop

BOS

23 May

BOS

10h 40m

1 stop

LGW

£348

Find the cheapest flights from the United Kingdom to New Hampshire

Round-trip

One-way

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Recent return flight deals from the United Kingdom to New Hampshire

Enter your travel dates to find the best prices.

13:05 - 21:45

LHR

BOS

13h 40m

1 stop

20:50 - 11:55

BOS

LHR

10h 05m

1 stop

£343Icelandair

Wed, 6 May - Thu, 21 May

20:35 - 17:50

LHR

BOS

26h 15m

1 stop

20:50 - 19:30

BOS

LHR

18h 40m

1 stop

£344Icelandair

Wed, 4 Mar - Wed, 11 Mar

11:55 - 18:50

LGW

BOS

10h 55m

1 stop

20:50 - 14:40

BOS

LGW

12h 50m

1 stop

£345Icelandair

Tue, 10 Mar - Tue, 31 Mar

11:55 - 18:50

LGW

BOS

10h 55m

1 stop

12:35 - 10:55

BOS

LGW

18h 20m

1 stop

£346Icelandair

Wed, 18 Mar - Sun, 22 Mar

17:35 - 20:05

LHR

BOS

7h 30mdirect

19:35 - 07:10

BOS

LHR

6h 35mdirect

£348British Airways

Sat, 30 May - Fri, 12 Jun

12:05 - 19:08

LHR

BOS

12h 03m

1 stop

18:30 - 10:25

BOS

LHR

11h 55m

1 stop

£349United Airlines

Wed, 4 Mar - Wed, 11 Mar

09:15 - 19:50

LHR

BOS

15h 35m

1 stop

20:10 - 07:00

BOS

LHR

6h 50mdirect

£350Iberia

Mon, 2 Mar - Mon, 9 Mar

06:00 - 13:55

LTN

BOS

12h 55m

1 stop

18:10 - 08:35

BOS

LTN

10h 25m

1 stop

£352Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

08:30 - 18:59

STN

BOS

15h 29m

1 stop

18:10 - 07:50

BOS

STN

9h 40m

1 stop

£353Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

16:35 - 22:35

EDI

BOS

11h 00m

1 stop

19:35 - 12:25

BOS

EDI

11h 50m

1 stop

£375British Airways

Mon, 13 Apr - Mon, 20 Apr

Fly from

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 6/5

13:05-21:45

1 stop13h 40m

Boston Logan Intl

Thu 21/5

20:50-11:55

1 stop10h 05m

£343

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/3

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Wed 11/3

20:50-19:30

1 stop18h 40m

£344

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 10/3

11:55-18:50

1 stop10h 55m

Boston Logan Intl

Tue 31/3

20:50-14:40

1 stop12h 50m

£345

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 18/3

11:55-18:50

1 stop10h 55m

Boston Logan Intl

Sun 22/3

12:35-10:55

1 stop18h 20m

£346

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 30/5

17:35-20:05

Nonstop7h 30m

Boston Logan Intl

Fri 12/6

19:35-07:10

Nonstop6h 35m

£348

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/3

12:05-19:08

1 stop12h 03m

Boston Logan Intl

Wed 11/3

18:30-10:25

1 stop11h 55m

£348

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 2/3

09:15-19:50

1 stop15h 35m

Boston Logan Intl

Mon 9/3

20:10-07:00

Nonstop6h 50m

£350

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 2/3

06:00-13:55

1 stop12h 55m

Boston Logan Intl

Mon 9/3

18:10-08:35

1 stop10h 25m

£352

LondonBoston

STN - BOS

STNBOS

London Stansted

Mon 2/3

08:30-18:59

1 stop15h 29m

Boston Logan Intl

Mon 9/3

18:10-07:50

1 stop9h 40m

£353

EdinburghBoston

EDI - BOS

EDIBOS

Edinburgh Turnhouse

Mon 13/4

16:35-22:35

1 stop11h 00m

Boston Logan Intl

Mon 20/4

19:35-12:25

1 stop11h 50m

£375

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

New Hampshire flights insights and trends

Explore insights for your New Hampshire flight to craft the best travel plan

Prices

Other information

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 United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £502. 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 £566.

Cheapest flights to cities in New Hampshire

Click on the cities below to find out when it's cheapest to fly to New Hampshire from United Kingdom

Boston

Find flights to Boston

Cheap New Hampshire flight deals and tips

Summary info about New Hampshire flight prices, duration and airlines

Best One-Way Price	£239
Best Round-Trip Price	£343
Fastest flight time	10h 45m
Popular in	July

The best one-way flight price to New Hampshire from United Kingdom in the last 72 hours is £239 (Manchester to Boston Logan Intl).

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The best round-trip flight price to New Hampshire from United Kingdom in the last 72 hours is £343 (London Heathrow to Boston Logan Intl).

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The fastest flight to New Hampshire from United Kingdom takes 10h 45m (London Heathrow to Boston Logan Intl).

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July has the highest demand for flights to New Hampshire, with a 13% price increase on average.

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Frequently asked questions about flying to New Hampshire

What is the best airport to fly into to visit Manchester, New Hampshire?

73% of momondo users visit Manchester, New Hampshire more often than any other city in New Hampshire. When travelling to Manchester, New Hampshire, typically the most convenient airport to fly into is Boston Airport.

What is the best day of the week to fly to New Hampshire?

Consider booking a flight to New Hampshire on a Wednesday, which is the cheapest day of the week. You will also find that flying out on a Thursday is another low-cost option. Try to avoid booking your flight to New Hampshire on Sunday, which tends to be the most expensive day of the week.

When did momondo last update prices for flights to New Hampshire?

Prices for flights to New Hampshire were last updated today.

How many operators does momondo search for flights to New Hampshire?

As of February 2026, there is 1 operator available to choose from for flights to New Hampshire.

How old do you have to be to fly 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 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.

Why use momondo?

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

Finding the right flight to New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to New Hampshire quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to New Hampshire which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to New Hampshire?

Once all potential New Hampshire flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

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

Yes. momondo can track flight prices for New Hampshire and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.