£323 Find Cheap Flights from London to New Hampshire

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to New Hampshire departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to New Hampshire

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to New Hampshire, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to New Hampshire, as well as popular online travel agencies
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Flight Deals

Book Cheap London to New Hampshire Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to New Hampshire that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to New Hampshire

Mon, 19 Jan - Thu, 22 Jan
Multiple Airlines Logo
10:15 - 15:50
STN
-
BOS
34h 35m2 stops
Multiple Airlines Logo
17:35 - 20:05
BOS
-
STN
21h 30m2 stops
£422Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Scandinavian Airlines Logo
06:40 - 15:50
LHR
-
BOS
14h 10m2 stops
Scandinavian Airlines Logo
17:35 - 14:35
BOS
-
LHR
16h 00m2 stops
£422Scandinavian Airlines
Wed, 13 May - Wed, 20 May
Finnair Logo
12:20 - 19:50
LHR
-
BOS
12h 30m1 stop
Finnair Logo
12:57 - 06:20
BOS
-
LHR
12h 23m1 stop
£423Finnair
Fri, 20 Mar - Fri, 3 Apr
TAP AIR PORTUGAL Logo
10:40 - 21:10
LGW
-
BOS
14h 30m1 stop
TAP AIR PORTUGAL Logo
22:45 - 15:40
BOS
-
LGW
11h 55m1 stop
£423TAP AIR PORTUGAL
Mon, 26 Jan - Mon, 2 Feb
TAP AIR PORTUGAL Logo
21:25 - 14:45
LGW
-
BOS
22h 20m2 stops
TAP AIR PORTUGAL Logo
18:05 - 15:45
BOS
-
LGW
16h 40m1 stop
£423TAP AIR PORTUGAL
Mon, 9 Feb - Tue, 17 Feb
SWISS Logo
13:30 - 20:00
LCY
-
BOS
11h 30m1 stop
SWISS Logo
21:50 - 17:05
BOS
-
LCY
14h 15m1 stop
£423SWISS
Mon, 26 Jan - Mon, 2 Feb
United Airlines Logo
06:30 - 17:14
LHR
-
BOS
15h 44m2 stops
United Airlines Logo
14:20 - 08:25
BOS
-
LHR
13h 05m2 stops
£423United Airlines
Mon, 26 Jan - Mon, 2 Feb
SWISS Logo
13:30 - 20:00
LCY
-
BOS
11h 30m1 stop
SWISS Logo
22:10 - 08:45
BOS
-
LCY
29h 35m1 stop
£424SWISS
Mon, 12 Jan - Mon, 19 Jan
United Airlines Logo
06:50 - 21:52
LHR
-
BOS
20h 02m2 stops
United Airlines Logo
22:10 - 13:00
BOS
-
LHR
9h 50m1 stop
£425United Airlines
Mon, 26 Jan - Mon, 2 Feb
Finnair Logo
17:05 - 19:45
LHR
-
BOS
7h 40mdirect
Finnair Logo
14:43 - 08:15
BOS
-
LHR
12h 32m1 stop
£427Finnair
Booking Insights

KAYAK's insights & trends for London to New Hampshire flights

Get data-powered insights and trends into flights from London to New Hampshire to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from London to New Hampshire?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to New Hampshire, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to New Hampshire is September, when tickets cost £393 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is £549 and £545 respectively.

What’s the cheapest day of the week to fly from London to New Hampshire?

The average price of all round-trip flights from London to New Hampshire clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from London to New Hampshire, look for departures on Thursdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from New Hampshire, Monday is the cheapest day to fly and Saturday is the most expensive.

How far in advance should I book a flight from London to New Hampshire?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to New Hampshire, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from London to New Hampshire, you should book around 2 weeks before departure, which saves you about 34% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Good to know - Cheap tickets from London to New Hampshire

Low seasonFebruary
Cheapest flight£323
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from London Heathrow Airport to Boston

FAQs - booking New Hampshire flights

  • How does KAYAK find such low prices on flights from London to New Hampshire?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to New Hampshire.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to New Hampshire?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to New Hampshire is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to New Hampshire?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London to New Hampshire with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to New Hampshire?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to New Hampshire?

    The cheapest time of day to fly to New Hampshire is generally in the afternoon, when retur flights cost £494 on average. Morning departures are around 2% more expensive than evening flights, on average. The most expensive time of day to fly to New Hampshire is generally at night, which is peak travel time and where the average cost of a ticket is £687.

Everything you need to know for your flight from London to New Hampshire

Cabin class types available on flights to New Hampshire

Cabin classes available on flights to New Hampshire. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.