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Cheap flights from London Heathrow Airport to New Hampshire from £292

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
25 Mar — 1 Apr1
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 23 February 2026.

Fri 17/421:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Tue 21/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 19/2£348
Fri 1/517:35
LHR
-
BOS
Nonstop7h 30m
British Airways
Sat 9/519:35
BOS
-
LHR
Nonstop6h 35m
British Airways
Deal found 22/2£349
Mon 13/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Mon 27/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 21/2£350
Tue 14/421:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Wed 22/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 21/2£351
Thu 16/413:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Mon 20/423:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Deal found 20/2£352
Wed 15/421:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Wed 22/420:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Deal found 21/2£352
Fri 27/211:45
LHR
-
BOS
1 stop12h 10m
Virgin Atlantic
Sun 8/321:00
BOS
-
LHR
Nonstop6h 50m
Virgin Atlantic
Deal found 20/2£353
Wed 11/310:20
LHR
-
BOS
2 stops16h 28m
Finnair
Wed 18/310:48
BOS
-
LHR
1 stop17h 27m
Finnair
Deal found 21/2£354
Thu 16/413:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Thu 23/420:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 20/2£355
Tue 3/320:35
LHR
-
BOS
1 stop19h 00m
Icelandair
Mon 30/320:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 22/2£356
Sat 9/521:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Wed 20/520:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Deal found 20/2£357
Wed 15/408:15
LHR
-
PWM
1 stop19h 44m
JetBlue
Thu 23/407:00
PWM
-
LHR
1 stop21h 30m
JetBlue
Deal found 19/2£525

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 23 February 2026.

Round-trip from

£348

One-way from

£292

Popular in

July

Cheapest in

September

Average price

£403
Icelandair
  • Icelandair
  • 17/4-21/4
  • 2 total stops
  • 39h 25m total
  • London to New Hampshire
Search Deals
Icelandair
  • Icelandair
  • 16/4
  • 1 total stop
  • 10h 45m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£39 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 February 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 23 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to New Hampshire that are best for you.

Fly from

Heathrow

Fly to

New Hampshire

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 23/4

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Mon 27/4

23:10-10:40

Nonstop6h 30m

£405

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 15/4

07:05-15:35

2 stops13h 30m

Boston Logan Intl

Mon 27/4

17:40-16:25

2 stops17h 45m

£409

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 1/5

06:30-18:30

1 stop17h 00m

Boston Logan Intl

Mon 4/5

23:10-10:40

Nonstop6h 30m

£409

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 13/5

06:30-13:16

1 stop11h 46m

Boston Logan Intl

Sun 17/5

19:00-06:45

Nonstop6h 45m

£415

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 11/5

11:00-13:25

Nonstop7h 25m

Boston Logan Intl

Wed 20/5

19:35-07:10

Nonstop6h 35m

£415

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 10/4

06:30-13:13

1 stop11h 43m

Boston Logan Intl

Sun 26/4

23:10-10:40

Nonstop6h 30m

£416

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sat 16/5

16:50-19:35

Nonstop7h 45m

Boston Logan Intl

Sat 23/5

23:10-10:40

Nonstop6h 30m

£422

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 30/4

09:40-12:07

Nonstop7h 27m

Boston Logan Intl

Tue 5/5

19:00-06:45

Nonstop6h 45m

£424

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 10/5

18:55-21:20

Nonstop7h 25m

Boston Logan Intl

Sat 23/5

21:30-09:15

Nonstop6h 45m

£425

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 31/7

15:50-07:22

1 stop20h 32m

Boston Logan Intl

Thu 20/8

06:00-20:10

1 stop9h 10m

£427

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 60 results
1
2
3
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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 23 February 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
7.1
Good
617 reviews
Check prices

Food

6.2

Overall

7.1

Crew

8.1

Boarding

7.2

Comfort

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.1
Good
617 reviews
Icelandair
7.1
Good
617 reviews
Check prices

Food

6.2

Overall

7.1

Crew

8.1

Boarding

7.2

Comfort

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

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 £405, KLM can have you in New Hampshire from London Heathrow Airport in 7h 25m. The distance between London Heathrow Airport and New Hampshire is about 3254 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

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Alternative routes for Heathrow to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£757Average£1,201FlexibilityNo 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.

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