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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 Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 November 2025.

Round-trip from

£344

One-way from

£309

Popular in

December

Cheapest in

September

Average price

£444
Icelandair
  • Icelandair
  • 10/2-20/2
  • 2 total stops
  • 36h 15m total
  • London to New Hampshire
Search Deals
JetBlue
  • JetBlue
  • 14/4
  • Nonstop
  • 7h 58m total
  • London to New Hampshire
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 7 November 2025.

Fri 12/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Tue 13/118:05BOS - LHR
1 stop18h 25mTAP AIR PORTUGAL
Deal found 5/11£348
Fri 14/1112:15LHR - BOS
1 stop10h 35mIcelandair
Sun 16/1119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 6/11£350
Sat 6/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sat 31/122:25BOS - LHR
1 stop14h 05mTAP AIR PORTUGAL
Deal found 6/11£354
Thu 4/1212:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Thu 11/1222:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 5/11£354
Sun 14/1208:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Sun 11/122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 5/11£357
Tue 9/1206:00LHR - BOS
1 stop13h 45mTAP AIR PORTUGAL
Fri 9/122:45BOS - LHR
1 stop15h 10mTAP AIR PORTUGAL
Deal found 6/11£358
Sun 7/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Sun 11/122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 6/11£361
Mon 8/1206:00LHR - BOS
1 stop13h 35mTAP AIR PORTUGAL
Wed 14/118:05BOS - LHR
1 stop12h 20mTAP AIR PORTUGAL
Deal found 5/11£362
Fri 21/1112:15LHR - BOS
1 stop27h 20mIcelandair
Mon 24/1119:50BOS - LHR
1 stop18h 40mIcelandair
Deal found 7/11£364
Wed 19/1112:15LHR - BOS
1 stop27h 20mIcelandair
Sun 30/1111:35BOS - LHR
1 stop18h 15mIcelandair
Deal found 6/11£365
Wed 3/1207:30LHR - PWM
2 stops16h 13mUnited Airlines
Wed 10/1215:20PWM - LHR
1 stop12h 05mUnited Airlines
Deal found 5/11£561
Wed 3/1212:00LHR - PWM
1 stop11h 43mAustrian Airlines
Wed 10/1210:35PWM - LHR
1 stop29h 45mAustrian Airlines
Deal found 5/11£571

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 7 November 2025.
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 5/3

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Thu 12/3

12:35-10:50

1 stop18h 15m

£371

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/4

13:05-22:10

1 stop14h 05m

Boston Logan Intl

Mon 4/5

23:30-20:20

1 stop15h 50m

£373

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 20/2

20:35-10:35

1 stop19h 00m

Boston Logan Intl

Thu 12/3

20:50-10:50

1 stop10h 00m

£406

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 1/5

13:05-18:50

1 stop10h 45m

Boston Logan Intl

Sun 3/5

20:50-11:55

1 stop10h 05m

£415

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/12

08:30-18:48

2 stops15h 18m

Boston Logan Intl

Wed 10/12

16:20-10:50

2 stops13h 30m

£417

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 4/12

12:05-20:00

1 stop12h 55m

Boston Logan Intl

Thu 11/12

12:02-06:40

2 stops13h 38m

£428

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 19/11

21:05-15:40

2 stops23h 35m

Boston Logan Intl

Thu 27/11

17:35-17:00

2 stops18h 25m

£433

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 4/3

09:20-12:16

Nonstop7h 56m

Boston Logan Intl

Mon 9/3

20:15-06:55

Nonstop6h 40m

£440

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 8/12

13:30-16:00

Nonstop7h 30m

Boston Logan Intl

Mon 15/12

07:30-19:00

Nonstop6h 30m

£449

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 22/2

13:30-15:55

Nonstop7h 25m

Boston Logan Intl

Mon 9/3

08:30-19:00

Nonstop6h 30m

£453

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 50 results
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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

What is the cheapest time of day to fly from LHR to NH?

Find hourly flight availability from Heathrow to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s typically best to fly out from London Heathrow Airport to New Hampshire in the evening. Doing so could potentially save you 53% on the flight price compared to flying at midday, which is usually more expensive.

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 7 November 2025.
Read reviews from past customers who have flown with Finnair and 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.
Finnair
7.6
Good
1,335 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,335 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.1
Good
572 reviews
Finnair
7.6
Good
1,335 reviews
Check prices

Crew

8.1

Food

6.7

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 £417, Icelandair can have you in New Hampshire from London Heathrow Airport in 15h 18m. 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 cheapest airlines to fly from London Heathrow Airport to New Hampshire one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as £309. However, be on the lookout for offers from LEVEL and Air Canada, as they are both options that can get you from London Heathrow Airport to New Hampshire for a low price.

  • 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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Stansted to Los Angeles flights
London City to San Francisco flights
Gatwick to Las Vegas flights
London City to Dulles Intl flights
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Top 2 airlines flying from Heathrow to New Hampshire

Discover the top 2 airlines 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£473Average£1,120FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£780Average£1,237FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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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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