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Cheap flights from London Heathrow Airport to New Hampshire from £307

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MHT
14 Nov — 21 Nov1
1 adult
1 adult, Economy

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 15 October 2025.

Round-trip from

£334

One-way from

£307

Popular in

December

Cheapest in

September

Average price

£437
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 21/11-6/12
  • 2 total stops
  • 34h 40m total
  • London to New Hampshire
Search Deals
20/11
  • 20/11
  • 2 total stops
  • 30h 20m 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 October 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 15 October 2025.

Fri 21/1106:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Sat 6/1222:25BOS - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 13/10£334
Fri 21/1108:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Sun 30/1118:05BOS - LHR
1 stop22h 30mTAP AIR PORTUGAL
Deal found 14/10£336
Thu 20/1112:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Sun 23/1122:45BOS - LHR
1 stop13h 45mTAP AIR PORTUGAL
Deal found 14/10£337
Fri 21/1108:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Mon 8/1218:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 14/10£338
Thu 20/1108:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Sun 30/1118:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 13/10£340
Sat 22/1119:55LHR - BOS
1 stop29h 15mTAP AIR PORTUGAL
Sat 29/1122:25BOS - LHR
1 stop15h 30mTAP AIR PORTUGAL
Deal found 13/10£343
Fri 21/1108:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Tue 2/1218:05BOS - LHR
1 stop23h 35mTAP AIR PORTUGAL
Deal found 14/10£345
Fri 21/1112:25LHR - BOS
1 stop12h 45mTAP AIR PORTUGAL
Mon 1/1218:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 13/10£349
Sun 23/1106:00LHR - BOS
1 stop19h 10mTAP AIR PORTUGAL
Mon 1/1218:05BOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Deal found 14/10£353
Sun 23/1108:15LHR - BOS
1 stop16h 55mTAP AIR PORTUGAL
Fri 28/1122:45BOS - LHR
1 stop15h 10mTAP AIR PORTUGAL
Deal found 14/10£354
Tue 11/1113:45LHR - MHT
2 stops38h 59mUnited Airlines
Tue 18/1114:27MHT - LHR
1 stop11h 13mUnited Airlines
Deal found 14/10£520
Thu 27/1118:00LHR - PWM
2 stops25h 19mLufthansa
Thu 4/1214:13PWM - LHR
1 stop11h 27mLufthansa
Deal found 13/10£559

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 15 October 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

Mon 24/11

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Mon 1/12

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/12

20:35-17:50

1 stop26h 15m

Boston Logan Intl

Mon 8/12

19:50-10:50

1 stop10h 00m

£394

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/12

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Tue 9/12

06:00-20:35

1 stop9h 35m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 18/11

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Wed 26/11

06:00-20:35

1 stop9h 35m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/12

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Thu 11/12

06:00-20:35

1 stop9h 35m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 18/11

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Mon 24/11

06:00-20:35

1 stop9h 35m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 10/11

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Tue 18/11

19:54-11:05

1 stop10h 11m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 4/11

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Mon 10/11

19:54-11:05

1 stop10h 11m

£410

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 17/11

09:00-20:20

1 stop16h 20m

Boston Logan Intl

Mon 1/12

16:29-10:50

2 stops13h 21m

£412

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 12/1

09:00-20:00

1 stop16h 00m

Boston Logan Intl

Mon 19/1

12:08-06:40

2 stops13h 32m

£415

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 57 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 15 October 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 15 October 2025.
Read reviews from past customers who have flown with Finnair, United Airlines, andIcelandair 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
1,332 reviews
Check prices

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

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
1,332 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

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.
United Airlines
7.4
Good
8,976 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

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
7.0
Good
556 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Boarding

7.6

Comfort

7.4

Overall

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

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 £410, Icelandair can have you in New Hampshire from London Heathrow Airport in 11h 35m. 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 LEVEL, with whom users have recently found tickets for as low as £308. However, be on the lookout for offers from British Airways and Finnair, 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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Heathrow to George Bush Intcntl flights
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London City to Dulles Intl flights
Heathrow to Nashville flights
Heathrow to Atlanta flights
Stansted to Boston flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Midway flights

Top 3 airlines flying from Heathrow to New Hampshire

Discover the top 3 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 15 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£576Average£706FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£734Average£1,102FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£767Average£1,217FlexibilityNo 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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