London

$262+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LON
Jun 4 — Jun 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Hampshire to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 5, 2026.

This LEVEL deal was found by Cheapflights users on 4/30. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 pm
BOS
-
LHR
1 stop29h 10m
LEVEL
Sun 9/279:55 am
LHR
-
BOS
1 stop17h 10m
LEVEL
Deal found 4/30$629
This Air Canada deal was found by Cheapflights users on 4/30. 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 8/236:50 pm
BOS
-
LHR
1 stop10h 10m
Air Canada
Tue 8/256:00 am
LHR
-
BOS
2 stops15h 08m
Air Canada
Deal found 4/30$630
This LEVEL deal was found by Cheapflights users on 4/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:50 pm
BOS
-
LHR
1 stop28h 20m
LEVEL
Sun 10/49:55 am
LHR
-
BOS
1 stop17h 10m
LEVEL
Deal found 4/29$635
This FlightHub deal was found by Cheapflights users on 4/30. 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 8/188:05 pm
BOS
-
LHR
1 stop11h 45m
Multiple Airlines
Thu 8/208:45 am
LHR
-
BOS
1 stop11h 25m
Multiple Airlines
Deal found 4/30$639
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:00 pm
BOS
-
LHR
1 stop16h 20m
Icelandair
Mon 9/71:05 pm
LHR
-
BOS
1 stop13h 40m
Icelandair
Deal found 4/30$640
This LEVEL deal was found by Cheapflights users on 4/30. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:00 pm
BOS
-
LGW
1 stop32h 15m
LEVEL
Wed 9/164:30 pm
LGW
-
BOS
1 stop33h 45m
LEVEL
Deal found 4/30$640
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 9/2411:00 pm
BOS
-
STN
1 stop17h 00m
Multiple Airlines
Wed 9/3012:25 pm
STN
-
BOS
1 stop13h 50m
Multiple Airlines
Deal found 5/1$640
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Wed 8/198:05 pm
BOS
-
LHR
1 stop11h 45m
United Airlines
Fri 8/2112:10 pm
LHR
-
BOS
1 stop12h 45m
United Airlines
Deal found 5/3$641
This Mytrip deal was found by Cheapflights users on 5/1. 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.
Mon 5/114:45 pm
BOS
-
LTN
2 stops16h 35m
Multiple Airlines
Thu 5/145:30 pm
LTN
-
BOS
2 stops26h 15m
Multiple Airlines
Deal found 5/1$641
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:50 pm
BOS
-
LGW
1 stop9h 55m
Icelandair
Wed 9/163:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 4/30$641
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Sun 9/69:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 4/29$642
This deal was found by Cheapflights users on 5/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 5/141:00 pm
LGW
-
BOS
1 stop10h 50m
Icelandair
Deal found 5/1$642

Find 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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(LEVEL)

One-way from

$262
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$680
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
From New Hampshire to London (LON)
One-way flight from New Hampshire to London (LON)
Highest demand for flights based on searches. 16% potential increase in price ($118 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 5, 2026.
Use the filters below to find and compare flights from New Hampshire to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 7/29

10:55 pm-6:05 pm

1 stop14h 10m

London Luton

Wed 8/12

5:40 am-9:05 pm

1 stop20h 25m

$727

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 5/30

9:20 pm-1:45 pm

1 stop11h 25m

London Luton

Sat 6/6

8:00 am-7:50 pm

1 stop16h 50m

$732

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 5/12

11:30 pm-10:10 pm

1 stop17h 40m

London Luton

Tue 5/19

9:40 am-6:50 pm

1 stop14h 10m

$747

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/22

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Thu 9/3

6:30 am-1:19 pm

1 stop11h 49m

$754

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 5/26

5:25 pm-9:15 am

1 stop10h 50m

London Luton

Tue 6/2

4:10 pm-10:00 pm

1 stop10h 50m

$762

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/15

7:30 pm-10:20 am

1 stop9h 50m

London Heathrow

Sun 8/23

6:55 pm-9:20 pm

Nonstop7h 25m

$766

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 5/27

5:25 pm-3:25 pm

1 stop17h 00m

London Luton

Mon 6/1

8:15 am-6:50 pm

1 stop15h 35m

$783

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 9/7

9:45 pm-4:00 pm

1 stop13h 15m

London Gatwick

Thu 9/17

10:25 am-10:36 pm

2 stops17h 11m

$784

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/9

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Sat 8/15

6:55 pm-9:20 pm

Nonstop7h 25m

$791

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/10

5:20 pm-5:50 pm

1 stop19h 30m

London Heathrow

Tue 10/13

7:00 am-3:10 pm

2 stops13h 10m

$798

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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
No data available for this route at this time. Please check back soon.

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.
  • How long is the flight from New Hampshire to London?

    Departing from New Hampshire to London will take you 6h 35m. New Hampshire and London are separated by a distance of 3254 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.