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 $249. Users have also found prices from $259 and $264 on PLAY and TAP AIR PORTUGAL, respectively.

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 $1,110). 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.

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.

How far in advance should I book a flight from New Hampshire to London?

Users have found that booking a flight from New Hampshire to London at least 60 days early can save you up to 12% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from New Hampshire to London for as little as $684 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $702 for flights departing within the next 3 days.

What is the cheapest month to fly from New Hampshire to London?

Our data shows that January tends to be the cheapest month to fly to London from New Hampshire. Users have commonly found prices around $647 for the month, but tickets can be as low as $387. Due to multiple factors, prepare for potentially higher prices in June.

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.

$248+ Flights from New Hampshire to London

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Cheap flight deals from New Hampshire to London

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$567 (Flightnetwork)
One-way from	$249 (Gotogate)
Popular in	June
Cheapest in	January
Average price	$604

Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.

Search Deals

From New Hampshire to London (LON)

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One-way flight from New Hampshire to London (LON)

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($108 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 24, 2025.

Thu 5/110:05 amBOS - LGW

1 stop17h 05mBritish Airways

Tue 5/63:05 pmLGW - BOS

1 stop12h 44mBritish Airways

Deal found 4/22

$563

Sat 5/177:15 pmBOS - STN

2 stops24h 05mMultiple Airlines

Sat 5/244:30 pmSTN - BOS

2 stops30h 20mMultiple Airlines

Deal found 4/21

$564

Mon 6/97:15 pmBOS - LTN

2 stops18h 45mMultiple Airlines

Thu 6/126:00 amLTN - BOS

2 stops16h 50mMultiple Airlines

Deal found 4/22

$565

Tue 9/1611:35 pmBOS - LGW

1 stop10h 05mIcelandair

Mon 9/223:40 pmLGW - BOS

1 stop11h 20mIcelandair

Deal found 4/22

$565

Fri 4/255:50 pmBOS - LHR

2 stops22h 45mBrussels Airlines

Sun 4/277:45 amLHR - BOS

2 stops38h 55mBrussels Airlines

Deal found 4/23

$567

Mon 5/511:35 pmBOS - LHR

1 stop15h 45mIcelandair

Tue 5/279:25 pmLHR - BOS

1 stop19h 10mIcelandair

Deal found 4/22

$568

Sun 4/277:15 pmBOS - STN

1 stop10h 25mPLAY

Sun 5/411:40 amSTN - BOS

1 stop11h 10mPLAY

Deal found 4/22

$568

Fri 4/254:40 pmBOS - LHR

1 stop11h 55mAir Canada

Sat 5/39:30 amLHR - BOS

2 stops13h 43mAir Canada

Deal found 4/24

$569

Tue 9/27:25 amBOS - LHR

Nonstop6h 30mBritish Airways

Mon 9/155:35 pmLHR - BOS

Nonstop7h 35mBritish Airways

Deal found 4/23

$571

Mon 5/126:55 pmBOS - LHR

1 stop10h 05mMultiple Airlines

Wed 5/216:50 amLHR - BOS

2 stops12h 42mMultiple Airlines

Deal found 4/23

$572

Fri 9/269:51 pmBOS - LGW

Nonstop6h 44mJetBlue

Fri 10/312:10 pmLGW - BOS

Nonstop8h 03mJetBlue

Deal found 4/22

$572

Tue 9/165:40 pmBOS - LHR

2 stops20h 10mScandinavian Airlines

Tue 9/237:05 amLHR - BOS

2 stops13h 30mScandinavian Airlines

Deal found 4/22

$573

Best flights from New Hampshire to London
Discover carefully curated flight deals from New Hampshire to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Sat 4/2610:50 amBOS - LHR

2 stops17h 45mAir Canada

Sat 5/39:30 amLHR - BOS

1 stop17h 24mAir Canada

Deal found 4/23

$567

Sun 5/117:15 pmBOS - LTN

2 stops22h 40mMultiple Airlines

Wed 5/217:00 pmLTN - BOS

2 stops27h 50mMultiple Airlines

Deal found 4/23

$567

Mon 5/511:35 pmBOS - LHR

1 stop15h 45mIcelandair

Tue 5/279:25 pmLHR - BOS

1 stop19h 10mIcelandair

Deal found 4/22

$568

Sat 4/267:15 pmBOS - STN

1 stop10h 25mPLAY

Tue 4/2911:40 amSTN - BOS

1 stop11h 10mPLAY

Deal found 4/23

$569

Thu 5/81:20 pmBOS - LGW

1 stop13h 50mBritish Airways

Sun 5/112:45 pmLGW - BOS

1 stop13h 04mBritish Airways

Deal found 4/23

$571

Sat 4/268:05 pmBOS - LHR

1 stop11h 45mLufthansa

Sat 5/37:25 amLHR - BOS

1 stop15h 15mLufthansa

Deal found 4/23

$573

Sat 4/268:15 pmBOS - LHR

Nonstop6h 50mVirgin Atlantic

Sat 5/312:45 pmLHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 4/23

$574

Fri 5/96:58 pmBOS - LHR

1 stop11h 27mUnited Airlines

Sat 5/171:45 pmLHR - BOS

1 stop30h 40mUnited Airlines

Deal found 4/23

$581

Sat 5/36:26 pmBOS - LHR

Nonstop7h 04mJetBlue

Thu 5/88:25 amLHR - BOS

Nonstop7h 31mJetBlue

Deal found 4/23

$585

Sat 5/37:25 amBOS - LHR

Nonstop6h 30mFinnair

Thu 5/84:20 pmLHR - BOS

1 stop11h 29mFinnair

Deal found 4/23

$587

Fri 5/97:40 pmBOS - LHR

Nonstop6h 40mIberia

Mon 5/125:00 pmLHR - BOS

1 stop10h 49mIberia

Deal found 4/23

$593

Wed 4/309:40 pmBOS - LGW

1 stop15h 15mSWISS

Tue 5/136:35 pmLGW - BOS

1 stop25h 50mSWISS

Deal found 4/23

$593

Last-minute flights from New Hampshire to London
Discover last-minute flight deals from New Hampshire to London. Data last updated April 24, 2025 and is based on user searches.

Thu 4/246:35 amBOS - LHR

2 stops22h 00mMultiple Airlines

Tue 4/2912:10 pmLHR - BOS

1 stop12h 45mMultiple Airlines

Deal found 4/23

$569

Thu 4/246:10 pmBOS - LHR

1 stop21h 50mMultiple Airlines

Tue 4/298:45 amLHR - BOS

1 stop16h 10mMultiple Airlines

Deal found 4/23

$570

Fri 4/255:50 pmBOS - LHR

2 stops22h 45mBrussels Airlines

Sun 4/277:45 amLHR - BOS

2 stops38h 55mBrussels Airlines

Deal found 4/23

$567

Fri 4/254:40 pmBOS - LHR

1 stop11h 55mAir Canada

Sat 5/39:30 amLHR - BOS

2 stops13h 43mAir Canada

Deal found 4/24

$569

Sat 4/268:05 pmBOS - LHR

1 stop11h 45mLufthansa

Sat 5/37:25 amLHR - BOS

1 stop15h 15mLufthansa

Deal found 4/23

$573

Sat 4/268:15 pmBOS - LHR

Nonstop6h 50mVirgin Atlantic

Sat 5/312:45 pmLHR - BOS

Nonstop7h 55mVirgin Atlantic

Deal found 4/23

$574

Sat 4/269:30 amBOS - LHR

1 stop20h 10mUnited Airlines

Tue 5/1312:10 pmLHR - BOS

1 stop12h 45mUnited Airlines

Deal found 4/23

$581

Sun 4/277:15 pmBOS - STN

1 stop10h 25mPLAY

Sun 5/411:40 amSTN - BOS

1 stop11h 10mPLAY

Deal found 4/22

$568

Mon 4/2810:50 pmBOS - LGW

1 stop14h 05mVueling

Wed 4/304:30 pmLGW - BOS

1 stop33h 35mVueling

Deal found 4/22

$581

Tue 4/297:15 pmBOS - STN

1 stop10h 25mPLAY

Sun 5/411:40 amSTN - BOS

1 stop11h 10mPLAY

Deal found 4/23

$571

Wed 4/307:15 pmBOS - STN

2 stops18h 50mMultiple Airlines

Tue 5/611:40 amSTN - BOS

1 stop11h 10mMultiple Airlines

Deal found 4/22

$567

Wed 4/307:15 pmBOS - LTN

2 stops19h 10mMultiple Airlines

Thu 5/86:05 amLTN - BOS

2 stops16h 45mMultiple Airlines

Deal found 4/22

$573

One-way flights from New Hampshire to London
Search for one-way flight options from New Hampshire to London. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Thu 5/112:35 pmBOS - LHR

1 stop26h 45mIcelandair

Deal found 4/22

$249

Sat 5/1012:35 pmBOS - LGW

1 stop18h 10mIcelandair

Deal found 4/23

$257

Fri 5/167:15 pmBOS - STN

1 stop10h 25mPLAY

Deal found 4/23

$259

Sat 5/37:15 pmBOS - LTN

1 stop13h 20mMultiple Airlines

Deal found 4/23

$262

Wed 7/161:09 pmBOS - LGW

1 stop15h 51mMultiple Airlines

Deal found 4/23

$263

Wed 7/1610:40 pmBOS - LGW

2 stops31h 40mTAP AIR PORTUGAL

Deal found 4/23

$264

Fri 9/2611:00 pmBOS - LGW

1 stop12h 55mIberia

Deal found 4/23

$270

Thu 8/1410:45 pmBOS - LHR

Nonstop6h 45mVirgin Atlantic

Deal found 4/22

$273

Sun 5/115:45 amBOS - LHR

3 stops33h 35mMultiple Airlines

Deal found 4/23

$275

Sat 5/179:40 pmBOS - LCY

1 stop11h 05mSWISS

Deal found 4/22

$284

Mon 7/2811:15 pmBOS - LHR

2 stops13h 30mTAP AIR PORTUGAL

Deal found 4/23

$291

Wed 5/147:15 pmBOS - STN

2 stops18h 50mMultiple Airlines

Deal found 4/23

$292

Cheapflights Fare Finder

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

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 5/1

10:05 am-8:10 am

1 stop17h 05m

London Gatwick

Tue 5/6

3:05 pm-10:49 pm

1 stop12h 44m

$563

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sat 5/17

7:15 pm-12:20 am

2 stops24h 05m

London Stansted

Sat 5/24

4:30 pm-5:50 pm

2 stops30h 20m

$564

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 6/9

7:15 pm-7:00 pm

2 stops18h 45m

London Luton

Thu 6/12

6:00 am-5:50 pm

2 stops16h 50m

$565

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 8/19

5:40 pm-4:25 pm

2 stops17h 45m

London Heathrow

Mon 8/25

7:50 pm-3:35 pm

2 stops24h 45m

$567

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 5/5

11:35 pm-8:20 pm

1 stop15h 45m

London Heathrow

Tue 5/27

9:25 pm-11:35 am

1 stop19h 10m

$568

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 4/27

7:15 pm-10:40 am

1 stop10h 25m

London Stansted

Sun 5/4

11:40 am-5:50 pm

1 stop11h 10m

$568

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Sun 5/4

11:35 pm-11:45 am

1 stop31h 10m

London Gatwick

Fri 5/9

3:40 pm-10:00 pm

1 stop11h 20m

$569

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 5/11

12:15 pm-6:30 am

2 stops13h 15m

London Heathrow

Wed 5/21

6:00 am-1:50 pm

1 stop12h 50m

$569

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 9/2

7:25 am-6:55 pm

Nonstop6h 30m

London Heathrow

Mon 9/15

5:35 pm-8:10 pm

Nonstop7h 35m

$571

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/8

6:46 pm-10:20 am

1 stop10h 34m

London Heathrow

Mon 9/15

2:40 pm-5:10 pm

Nonstop7h 30m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 results

...

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?

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

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

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

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

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

8.0

Very good

284 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Azores Airlines

7.6

Good

66 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,272 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 $249. Users have also found prices from $259 and $264 on PLAY and TAP AIR PORTUGAL, 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 $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Chelmsford

Sutton

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from New Hampshire to London

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$646	Average$860	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$683	Average$788	FlexibilityNo cancel fee	On-time71%

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$248+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from New Hampshire to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from New Hampshire to London

Cheapest flights from New Hampshire to LondonExplore 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 April 24, 2025.

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 April 24, 2025.

Cheapflights Fare Finder

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

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.

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 April 24, 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

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.

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?

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?

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

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

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

Traveling to a place near New Hampshire?

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.

Alternative routes for New Hampshire to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from New Hampshire to London

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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 April 24, 2025.