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$197+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$456
(TAP AIR PORTUGAL)

One-way from

$197
(lastminute.com)

Popular in

June

Cheapest in

February

Average price

$598
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 ($101 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 August 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 August 14, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:10 pmBOS - LHR
1 stop13h 35mTAP AIR PORTUGAL
Sat 10/116:00 amLHR - BOS
1 stop13h 20mTAP AIR PORTUGAL
Deal found 8/14$456
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 11/115:10 pmBOS - LTN
1 stop11h 35mMultiple Airlines
Tue 11/259:00 amLTN - BOS
1 stop14h 55mMultiple Airlines
Deal found 8/13$457
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:10 pmBOS - LGW
1 stop10h 35mTAP AIR PORTUGAL
Mon 10/2012:05 pmLGW - BOS
1 stop13h 40mTAP AIR PORTUGAL
Deal found 8/12$457
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Wed 9/35:30 pmBOS - STN
1 stop9h 20mMultiple Airlines
Tue 9/98:15 amSTN - BOS
1 stop11h 25mMultiple Airlines
Deal found 8/13$457
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/107:50 pmBOS - LTN
1 stop13h 10mMultiple Airlines
Sun 11/236:00 amLTN - BOS
1 stop16h 50mMultiple Airlines
Deal found 8/14$458
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:25 pmBOS - LGW
1 stop30h 20mTAP AIR PORTUGAL
Thu 10/1610:35 amLGW - BOS
1 stop14h 15mTAP AIR PORTUGAL
Deal found 8/12$458
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 9/37:15 pmBOS - STN
2 stops22h 15mMultiple Airlines
Wed 9/108:15 amSTN - BOS
2 stops14h 35mMultiple Airlines
Deal found 8/12$458
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:40 pmBOS - LHR
2 stops42h 20mScandinavian Airlines
Mon 10/207:30 pmLHR - BOS
1 stop25h 05mScandinavian Airlines
Deal found 8/12$459
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 9/35:30 pmBOS - LTN
1 stop9h 40mMultiple Airlines
Wed 9/1010:00 amLTN - BOS
1 stop13h 45mMultiple Airlines
Deal found 8/12$459
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 11/55:50 pmBOS - LGW
1 stop11h 10mMultiple Airlines
Mon 11/109:00 amLGW - BOS
1 stop9h 50mMultiple Airlines
Deal found 8/12$459
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/115:40 pmBOS - LHR
2 stops45h 15mScandinavian Airlines
Tue 10/143:35 pmLHR - BOS
2 stops53h 00mScandinavian Airlines
Deal found 8/13$460
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/75:30 pmBOS - LTN
1 stop10h 05mMultiple Airlines
Sun 9/149:55 amLTN - BOS
1 stop9h 45mMultiple Airlines
Deal found 8/12$460

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 August 14, 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 - LTN

BOSLTN

Boston Logan Intl

Tue 11/11

5:10 pm-9:45 am

1 stop11h 35m

London Luton

Tue 11/25

9:00 am-6:55 pm

1 stop14h 55m

$457

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 9/3

5:30 pm-7:50 am

1 stop9h 20m

London Stansted

Tue 9/9

10:45 am-6:45 pm

1 stop13h 00m

$457

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Thu 10/30

6:10 pm-7:50 am

1 stop9h 40m

London Stansted

Tue 11/4

6:30 am-1:50 pm

1 stop12h 20m

$457

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 10/10

4:45 pm-7:50 pm

2 stops22h 05m

London Stansted

Mon 10/13

6:25 am-6:10 pm

2 stops16h 45m

$457

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 10/15

4:45 pm-2:25 pm

2 stops16h 40m

London Stansted

Mon 10/20

10:00 pm-3:59 pm

2 stops22h 59m

$457

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 11/10

7:50 pm-2:00 pm

1 stop13h 10m

London Luton

Sun 11/23

6:00 am-5:50 pm

1 stop16h 50m

$458

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 8/23

9:55 pm-9:35 am

Nonstop6h 40m

London Gatwick

Wed 9/3

12:10 pm-3:08 pm

Nonstop7h 58m

$463

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 8/26

9:55 pm-9:35 am

Nonstop6h 40m

London Gatwick

Wed 9/3

12:10 pm-3:08 pm

Nonstop7h 58m

$463

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sat 8/23

9:55 pm-9:35 am

Nonstop6h 40m

London Gatwick

Mon 9/1

12:10 pm-3:03 pm

Nonstop7h 53m

$463

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Tue 8/26

9:55 pm-9:35 am

Nonstop6h 40m

London Gatwick

Sun 8/31

12:10 pm-3:03 pm

Nonstop7h 53m

$463

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 14, 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.

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 JetBlue. According to our data, you can fly for as low as $197. Users have also found prices from $197 and $238 on TAP AIR PORTUGAL and ITA Airways, 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 $1,097). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

Browse thousands of different options on Cheapflights for your next trip

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$660Average$789FlexibilityNo cancel feeOn-time69%

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