Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to New Hampshire from £335

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to New Hampshire

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to New Hampshire
Explore the most affordable flight options available from Heathrow to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Mon 28/920:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Sun 4/1023:50
BOS
-
LHR
1 stop28h 20m
LEVEL
Deal found 29/3£402
Wed 27/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Tue 2/622:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 27/3£405
Fri 2/1020:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Mon 5/1023:00
BOS
-
LHR
1 stop29h 10m
LEVEL
Deal found 28/3£414
Tue 12/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Thu 14/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 29/3£415
Fri 8/514:30
LHR
-
BOS
Nonstop7h 25m
British Airways
Mon 11/507:25
BOS
-
LHR
Nonstop6h 30m
British Airways
Deal found 29/3£421
Mon 20/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Mon 27/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 31/3£421
Mon 11/520:50
LHR
-
BOS
1 stop29h 15m
LEVEL
Thu 14/522:50
BOS
-
LHR
1 stop29h 20m
LEVEL
Deal found 27/3£423
Mon 20/409:55
LHR
-
BOS
1 stop16h 10m
LEVEL
Fri 24/422:50
BOS
-
LHR
1 stop16h 15m
LEVEL
Deal found 29/3£427
Thu 30/413:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Tue 5/520:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 30/3£427
Wed 2/920:50
LHR
-
BOS
1 stop29h 25m
LEVEL
Tue 8/923:00
BOS
-
LHR
1 stop29h 10m
LEVEL
Deal found 28/3£428
Mon 16/1112:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Mon 23/1119:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Deal found 30/3£430
Fri 15/511:55
LHR
-
PWM
1 stop16h 08m
JetBlue
Fri 22/506:00
PWM
-
LHR
1 stop9h 45m
JetBlue
Deal found 31/3£474

Find flight deals from Heathrow to New Hampshire

Keep the following information in mind while searching for Heathrow to New Hampshire flight deals. Data was last updated 1 April 2026.

Round-trip from

£402

One-way from

£335

Popular in

July

Cheapest in

September

Average price

£467
LEVEL
  • LEVEL
  • 28/9-4/10
  • 2 total stops
  • 57h 45m total
  • London to New Hampshire
Search Deals
29/5
  • 29/5
  • 2 total stops
  • 19h 15m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 1 April 2026.
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

Cheapest return flight

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 19/4

21:25-18:50

1 stop26h 25m

Boston Logan Intl

Mon 27/4

20:50-11:55

1 stop10h 05m

£442

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Fri 15/5

11:55-23:03

1 stop16h 08m

Portland

Fri 22/5

06:00-20:45

1 stop9h 45m

£509

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 12/6

20:50-21:05

1 stop29h 15m

Boston Logan Intl

Tue 16/6

22:50-20:05

1 stop16h 15m

£520

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Tue 12/5

08:15-23:03

1 stop19h 48m

Portland

Tue 19/5

07:20-09:30

1 stop21h 10m

£521

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 29/4

07:30-16:22

2 stops13h 52m

Boston Logan Intl

Mon 4/5

15:32-08:20

1 stop11h 48m

£527

LondonPortland

LHR - PWM

LHRPWM

London Heathrow

Thu 14/5

08:15-23:03

1 stop19h 48m

Portland

Fri 22/5

06:00-09:30

1 stop22h 30m

£533

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/7

06:30-13:18

1 stop11h 48m

Boston Logan Intl

Fri 7/8

23:10-10:40

Nonstop6h 30m

£536

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 28/6

20:05-07:24

1 stop16h 19m

Boston Logan Intl

Fri 10/7

23:10-10:40

Nonstop6h 30m

£543

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

08:40-11:14

Nonstop7h 34m

Boston Logan Intl

Thu 23/4

18:31-06:30

Nonstop6h 59m

£544

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 20/4

08:40-11:14

Nonstop7h 34m

Boston Logan Intl

Mon 27/4

18:31-06:30

Nonstop6h 59m

£544

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 59 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Heathrow to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to New Hampshire
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated 1 April 2026.
Read reviews from past customers who have flown with Icelandair from London Heathrow Airport to New Hampshire. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
630 reviews
Check prices

Comfort

6.9

Crew

8.0

Overall

7.0

Food

6.1

Entertainment

6.9

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes flight.
Icelandair
7.0
Good
630 reviews
Icelandair
7.0
Good
630 reviews
Check prices

Comfort

6.9

Crew

8.0

Overall

7.0

Food

6.1

Entertainment

6.9

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes flight.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Heathrow Airport to New Hampshire?

    For as low as £509, Icelandair can have you in New Hampshire from London Heathrow Airport in 16h 08m. The distance between London Heathrow Airport and New Hampshire is about 3173 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London Heathrow Airport to New Hampshire?

    The most popular route from London Heathrow Airport to New Hampshire is London Heathrow - Boston Logan Intl. You may also consider London Heathrow - Manchester or London Heathrow - Portland.

  • Can I find deals for flights from Heathrow to New Hampshire that include hotel bookings?

    Yes. In addition to deals on Heathrow to New Hampshire flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to New Hampshire?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to New Hampshire.

  • Can I find deals for business class flights from Heathrow to New Hampshire?

    Yes. Cheapflights offers flight deals from Heathrow to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Stansted to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Gatwick to LaGuardia flights
Heathrow to Orlando flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Heathrow to Miami flights
Luton to Newark flights
Heathrow to Boston flights
London City to Newark flights
Heathrow to O'Hare Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
Heathrow to Dulles Intl flights
Stansted to Los Angeles flights
Gatwick to Orlando flights
Gatwick to Boston flights
Heathrow to Hobby flights
London City to Los Angeles flights
Heathrow to Atlanta flights
Heathrow to Seattle flights
Gatwick to Miami flights
Stansted to Orlando flights
Stansted to Miami flights
Heathrow to Baltimore flights
Luton to Los Angeles flights
Heathrow to George Bush Intcntl flights
Heathrow to Ontario flights
London City to Miami flights
Stansted to LaGuardia flights
London City to Boston flights
Stansted to Boston flights
Heathrow to Tampa flights
Gatwick to San Francisco flights
London City to Orlando flights
Stansted to San Francisco flights
Luton to Miami flights
Heathrow to Denver flights
London City to San Francisco flights
Heathrow to Santa Ana flights
Gatwick to Las Vegas flights
Heathrow to Nashville flights

Top airline flying from Heathrow to New Hampshire

Discover the top airline that operate flights from Heathrow to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£971Average£1,225FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to New Hampshire?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to New Hampshire from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to New Hampshire?

Cheapflights helps you find that perfect flight to New Hampshire from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to New Hampshire with no change fees?

Yes, we can. To see specific flights from Heathrow to New Hampshire with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Heathrow to New Hampshire become cheaper?

Yes! Start tracking prices for Heathrow to New Hampshire flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.