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Heathrow

$264+ Cheap flights from New Hampshire to Heathrow (LHR)

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from New Hampshire to Heathrow

Keep the following information in mind while searching for New Hampshire to Heathrow flight deals. Data was last updated June 12, 2025.

Round-trip from

$553
(United Airlines)

One-way from

$264
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$824
From New Hampshire to London Heathrow
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One-way flight from New Hampshire to London Heathrow
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Highest demand for flights based on searches. 13% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from New Hampshire to Heathrow

Cheapest flights from New Hampshire to Heathrow
Explore the most affordable flight options available from New Hampshire to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:40 pmBOS - LHR
1 stop10h 20mUnited Airlines
Thu 7/3112:15 pmLHR - BOS
1 stop11h 41mUnited Airlines
Deal found 6/11$553
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:25 pmBOS - LHR
1 stop12h 50mDelta
Fri 8/229:55 amLHR - BOS
1 stop13h 30mDelta
Deal found 6/11$554
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:15 pmBOS - LHR
Nonstop6h 45mIberia
Tue 12/28:10 amLHR - BOS
1 stop12h 05mIberia
Deal found 6/12$555
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:40 pmBOS - LHR
Nonstop6h 40mBritish Airways
Fri 8/82:40 pmLHR - BOS
Nonstop7h 35mBritish Airways
Deal found 6/12$556
This SWISS deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:40 pmBOS - LHR
1 stop29h 15mSWISS
Wed 8/277:00 amLHR - BOS
2 stops13h 25mSWISS
Deal found 6/11$560
This CheapOair deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:40 pmBOS - LHR
1 stop10h 20mMultiple Airlines
Thu 8/76:00 amLHR - BOS
1 stop18h 55mMultiple Airlines
Deal found 6/12$563
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:15 pmBOS - LHR
2 stops13h 15mAir Canada
Sun 9/289:30 amLHR - BOS
1 stop13h 25mAir Canada
Deal found 6/11$564
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:40 pmBOS - LHR
2 stops15h 55mScandinavian Airlines
Mon 9/227:50 pmLHR - BOS
2 stops24h 45mScandinavian Airlines
Deal found 6/11$571
This Virgin Atlantic deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/155:05 pmBOS - LHR
1 stop12h 55mVirgin Atlantic
Tue 7/226:15 pmLHR - BOS
Nonstop7h 45mVirgin Atlantic
Deal found 6/11$572
This FlightHub deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/88:05 pmBOS - LHR
1 stop14h 35mLufthansa
Tue 7/159:00 amLHR - BOS
1 stop13h 40mLufthansa
Deal found 6/11$599
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:10 pmBOS - LHR
Nonstop6h 40mFinnair
Tue 7/18:55 amLHR - BOS
Nonstop7h 20mFinnair
Deal found 6/10$617
This Brussels Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:05 pmBOS - LHR
2 stops19h 50mBrussels Airlines
Sun 9/75:50 pmLHR - BOS
2 stops52h 50mBrussels Airlines
Deal found 6/10$640

Cheapflights Fare Finder

Customize your flight search to find flights from New Hampshire to Heathrow 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from New Hampshire to London Heathrow Airport that are best for you.

Fly from

New Hampshire

Fly to

Heathrow

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 7/20

6:40 pm-10:00 am

1 stop10h 20m

London Heathrow

Thu 7/31

12:15 pm-6:56 pm

1 stop11h 41m

$553

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 8/15

1:25 pm-7:15 am

1 stop12h 50m

London Heathrow

Fri 8/22

9:55 am-6:25 pm

1 stop13h 30m

$554

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 8/5

12:15 pm-6:30 am

2 stops13h 15m

London Heathrow

Thu 8/14

8:30 am-6:00 pm

2 stops14h 30m

$555

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 7/31

7:40 pm-7:20 am

Nonstop6h 40m

London Heathrow

Fri 8/8

2:40 pm-5:15 pm

Nonstop7h 35m

$556

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 8/19

8:10 pm-7:50 am

Nonstop6h 40m

London Heathrow

Sun 9/7

8:55 am-11:15 am

Nonstop7h 20m

$558

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/24

9:40 pm-9:30 pm

2 stops18h 50m

London Heathrow

Tue 8/26

1:45 pm-3:25 pm

1 stop30h 40m

$560

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 7/24

6:40 pm-10:00 am

1 stop10h 20m

London Heathrow

Thu 8/7

6:00 am-7:55 pm

1 stop18h 55m

$563

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/1

5:40 pm-5:40 pm

1 stop19h 00m

London Heathrow

Mon 9/8

7:05 am-3:35 pm

2 stops13h 30m

$571

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 7/15

5:05 pm-11:00 am

1 stop12h 55m

London Heathrow

Tue 7/22

6:15 pm-9:00 pm

Nonstop7h 45m

$572

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 7/8

8:05 pm-3:40 pm

1 stop14h 35m

London Heathrow

Tue 7/15

9:00 am-5:40 pm

1 stop13h 40m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 52 results
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Best time to book a flight from New Hampshire to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from New Hampshire with our price prediction graph.
Estimated round-trip 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 New Hampshire to London Heathrow Airport

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

Find hourly flight availability from New Hampshire to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to London Heathrow Airport as you normally would.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from New Hampshire to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines to fly from New Hampshire to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $264. Iberia flights start at $267 while deals on Delta start at $268 one-way.

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

    While some choose either Manchester - London Heathrow or Portland - London Heathrow, Boston Logan Intl - London Heathrow is the most popular route from New Hampshire to London Heathrow Airport.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from New Hampshire to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from New Hampshire to London Heathrow Airport (average of $661). Flying from New Hampshire to London Heathrow Airport in June is currently the most expensive (average of $1,108). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near New Hampshire?

Book flights to New Hampshire if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Sutton
Aylesbury
Chelmsford
Brentwood

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Alternative routes for New Hampshire to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Dulles Intl to London City flights
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Boston to London City flights
Los Angeles to London City flights
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Los Angeles to Gatwick flights
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Dallas/Fort Worth to Gatwick flights
Seattle to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Detroit to Heathrow flights
O'Hare Intl to London City flights
Newark to Stansted flights
George Bush Intcntl to Heathrow flights
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San Francisco to London City flights
Boston to Stansted flights
Portland to Heathrow flights
Seattle to London City flights
Newark to Luton flights
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Austin to Heathrow flights

Top airline flying from New Hampshire to Heathrow

Discover the top airline that operate flights from New Hampshire to Heathrow. 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$683Average$764FlexibilityNo cancel feeOn-time71%

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