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$264+ Cheap flights from New Hampshire to London (LON)

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 — LON
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from New Hampshire to London

Keep the following information in mind while searching for New Hampshire to London 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 (LON)
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One-way flight from New Hampshire to London (LON)
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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 London

Cheapest flights from New Hampshire to London
Explore the most affordable flight options available from New Hampshire to London. 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 oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:50 pmBOS - LGW
1 stop12h 50mIcelandair
Wed 8/273:40 pmLGW - BOS
1 stop11h 20mIcelandair
Deal found 6/12$553
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:05 pmBOS - STN
2 stops21h 20mMultiple Airlines
Tue 8/127:00 pmSTN - BOS
2 stops28h 08mMultiple Airlines
Deal found 6/11$553
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:40 pmBOS - LCY
1 stop9h 50mSWISS
Tue 9/99:25 amLCY - BOS
1 stop11h 00mSWISS
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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/195:30 pmBOS - LTN
1 stop11h 00mMultiple Airlines
Tue 7/2910:00 amLTN - BOS
1 stop13h 45mMultiple Airlines
Deal found 6/10$554
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:05 pmBOS - LGW
1 stop19h 45mSWISS
Mon 9/296:35 pmLGW - BOS
1 stop25h 50mSWISS
Deal found 6/10$554
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:15 pmBOS - STN
1 stop10h 25mPLAY
Fri 9/511:40 amSTN - BOS
1 stop11h 10mPLAY
Deal found 6/12$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 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 8/85:05 pmBOS - LGW
1 stop11h 55mDelta
Tue 8/1212:00 pmLGW - BOS
1 stop12h 25mDelta
Deal found 6/11$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 Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:26 pmBOS - LGW
1 stop13h 44mBritish Airways
Wed 7/2311:35 amLGW - BOS
2 stops16h 59mBritish Airways
Deal found 6/12$556

Cheapflights Fare Finder

Customize your flight search to find flights from New Hampshire to London 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 that are best for you.

Fly from

New Hampshire

Fly to

London

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 - LGW

BOSLGW

Boston Logan Intl

Tue 7/8

11:35 pm-7:10 pm

2 stops14h 35m

London Gatwick

Mon 8/18

10:55 am-9:15 pm

1 stop15h 20m

$553

BostonLondon

BOS - LCY

BOSLCY

Boston Logan Intl

Mon 8/25

9:40 pm-12:30 pm

1 stop9h 50m

London City

Tue 9/9

9:25 am-3:25 pm

1 stop11h 00m

$553

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 8/7

8:05 pm-10:25 pm

2 stops21h 20m

London Stansted

Tue 8/12

7:00 pm-6:08 pm

2 stops28h 08m

$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 - STN

BOSSTN

Boston Logan Intl

Sun 8/24

7:15 pm-10:40 am

1 stop10h 25m

London Stansted

Fri 9/5

11:40 am-5:50 pm

1 stop11h 10m

$554

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Fri 9/26

9:40 pm-5:50 pm

1 stop15h 10m

London Gatwick

Thu 10/2

6:40 pm-3:25 pm

1 stop25h 45m

$554

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 7/19

5:30 pm-9:30 am

1 stop11h 00m

London Luton

Tue 7/29

10:00 am-6:45 pm

1 stop13h 45m

$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 - LGW

BOSLGW

Boston Logan Intl

Fri 8/8

10:00 am-10:00 am

1 stop19h 00m

London Gatwick

Tue 8/12

12:00 pm-7:25 pm

1 stop12h 25m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from New Hampshire to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Find hourly flight availability from New Hampshire to London. 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 as you normally would.

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from New Hampshire to London, such as Delta, Porter Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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!
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

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 London. 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 one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $264. Users have also found prices from $265 and $266 on Iberia and JetBlue, respectively.

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

    Most travelers choose Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City when deciding on the best route from New Hampshire to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Hampshire to London 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?

    Currently, November is the cheapest month in which you can book a flight from New Hampshire to London (average of $661). Flying from New Hampshire to London 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
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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Alternative routes for New Hampshire to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from New Hampshire to London

Discover the top airline that operate flights from New Hampshire to London. 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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