What is the cheapest airline that flies from New Hampshire to London Heathrow?

JetBlue, Austrian Airlines, and Delta are the most popular carriers operating from New Hampshire to London Heathrow

How many flights depart from New Hampshire to London Heathrow Airport on average per week?

As of November 2025, there are 226 flights per week flying from New Hampshire to London Heathrow Airport. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

On average, it takes 9h 55m to fly from New Hampshire to London Heathrow Airport if you fly out of Lebanon (the most popular airport in New Hampshire) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Manchester and into London Heathrow Airport, then the flight time is around 10h 23m.

When did momondo last update prices for flights from New Hampshire to London Heathrow Airport?

Prices for flights from New Hampshire to London Heathrow Airport are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to London Heathrow Airport?

As of November 2025, there are 17 operators available to choose from for flights from New Hampshire to London Heathrow Airport.

How old do you have to be to fly from New Hampshire to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$206 Cheap Flights from New Hampshire to London Heathrow Airport in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from New Hampshire to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 9:15 amBOS-LHR

8h 50m1 stop

7:50 am - 1:55 pmLHR-BOS

11h 05m1 stop

$489Aer Lingus

Find Deal

Sun, Jan 11 - Sun, Jan 18

9:50 pm - 1:00 pmBOS-LHR

10h 10m1 stop

1:45 pm - 8:00 pmLHR-BOS

11h 15m1 stop

$490SWISS

Find Deal

Sun, Nov 16 - Fri, Nov 21

7:50 pm - 10:50 amBOS-LHR

10h 00m1 stop

8:35 pm - 10:35 amLHR-BOS

19h 00m1 stop

$491Icelandair

Find Deal

Wed, Nov 19 - Tue, Nov 25

7:15 pm - 7:00 amBOS-LHR

6h 45mnonstop

11:25 am - 7:50 pmLHR-BOS

13h 25m1 stop

$492Iberia

Find Deal

Sun, Jan 4 - Wed, Jan 14

7:50 pm - 7:30 pmBOS-LHR

18h 40m1 stop

8:35 pm - 5:50 pmLHR-BOS

26h 15m1 stop

$493Icelandair

Find Deal

Wed, Nov 19 - Mon, Nov 24

8:40 pm - 1:00 pmBOS-LHR

11h 20m1 stop

1:45 pm - 8:00 pmLHR-BOS

11h 15m1 stop

$494Multiple Airlines

Find Deal

Tue, Nov 18 - Fri, Nov 21

10:15 am - 7:10 amBOS-LHR

15h 55m1 stop

9:00 am - 7:12 pmLHR-BOS

15h 12m2 stops

$495Air Canada

Find Deal

Wed, Nov 19 - Mon, Nov 24

3:40 pm - 7:10 amBOS-LHR

10h 30m1 stop

12:05 pm - 8:20 pmLHR-BOS

13h 15m1 stop

$496United Airlines

Find Deal

Thu, Nov 27 - Thu, Jan 22

10:15 am - 7:10 amBOS-LHR

15h 55m1 stop

6:00 am - 7:42 pmLHR-BOS

18h 42m2 stops

$498Air Canada

Find Deal

Wed, Dec 3 - Tue, Jan 13

10:15 am - 6:30 amBOS-LHR

15h 15m2 stops

9:00 am - 7:12 pmLHR-BOS

15h 12m2 stops

$501Multiple Airlines

Find Deal

Mon, Nov 17 - Fri, Nov 21

Delta flights from New Hampshire to London Heathrow Airport

Our best Delta deals on New Hampshire to London Heathrow Airport flight tickets

Delta

Nov 9

BOS8:00 pmBoston Logan Intl

6h 50m

LHR7:50 amLondon Heathrow

Nov 18

LHR6:20 amLondon Heathrow

12h 20m

1 stop

BOS1:40 pmBoston Logan Intl

$503

Find similar

Delta

Nov 9

BOS8:00 pmBoston Logan Intl

6h 50m

LHR7:50 amLondon Heathrow

Nov 18

LHR6:20 amLondon Heathrow

12h 20m

1 stop

BOS1:40 pmBoston Logan Intl

$504

Find similar

Delta

Nov 14

BOS7:10 pmBoston Logan Intl

6h 40m

LHR6:50 amLondon Heathrow

Nov 23

LHR6:20 amLondon Heathrow

12h 20m

1 stop

BOS1:40 pmBoston Logan Intl

$505

Find similar

United Airlines flights from New Hampshire to London Heathrow Airport

Our best United Airlines deals on New Hampshire to London Heathrow Airport flight tickets

United Airlines

Nov 13

BOS9:50 pmBoston Logan Intl

32h 25m

1 stop

LHR11:15 amLondon Heathrow

Nov 16

LHR9:00 amLondon Heathrow

13h 50m

1 stop

BOS5:50 pmBoston Logan Intl

$491

Find similar

United Airlines

Nov 9

BOS6:32 amBoston Logan Intl

9h 48m

1 stop

LHR9:20 pmLondon Heathrow

Nov 12

LHR12:05 pmLondon Heathrow

13h 15m

1 stop

BOS8:20 pmBoston Logan Intl

$494

Find similar

United Airlines

Nov 15

BOS6:40 pmBoston Logan Intl

20h 55m

1 stop

LHR8:35 pmLondon Heathrow

Nov 19

LHR9:00 amLondon Heathrow

16h 20m

1 stop

BOS8:20 pmBoston Logan Intl

$495

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 1/11

7:25 pm-9:15 am

1 stop8h 50m

London Heathrow

Sun 1/18

7:50 am-1:55 pm

1 stop11h 05m

$489

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 11/16

9:50 pm-1:00 pm

1 stop10h 10m

London Heathrow

Fri 11/21

1:45 pm-8:00 pm

1 stop11h 15m

$490

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/19

7:50 pm-10:50 am

1 stop10h 00m

London Heathrow

Tue 11/25

8:35 pm-10:35 am

1 stop19h 00m

$491

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 1/4

7:15 pm-7:00 am

Nonstop6h 45m

London Heathrow

Wed 1/14

11:25 am-7:50 pm

1 stop13h 25m

$492

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/19

7:50 pm-7:30 pm

1 stop18h 40m

London Heathrow

Mon 11/24

8:35 pm-5:50 pm

1 stop26h 15m

$493

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 11/18

8:40 pm-1:00 pm

1 stop11h 20m

London Heathrow

Fri 11/21

1:45 pm-8:00 pm

1 stop11h 15m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 11/19

10:15 am-7:10 am

1 stop15h 55m

London Heathrow

Mon 11/24

9:00 am-7:12 pm

2 stops15h 12m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 11/27

3:40 pm-7:10 am

1 stop10h 30m

London Heathrow

Thu 1/22

12:05 pm-8:20 pm

1 stop13h 15m

$496

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/3

10:15 am-7:10 am

1 stop15h 55m

London Heathrow

Tue 1/13

6:00 am-7:42 pm

2 stops18h 42m

$498

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 11/17

10:15 am-6:30 am

2 stops15h 15m

London Heathrow

Fri 11/21

9:00 am-7:12 pm

2 stops15h 12m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New Hampshire to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from New Hampshire, with most prices found around $556. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from New Hampshire to London Heathrow Airport during October average around $565.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $661. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $719.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from New Hampshire to London Heathrow Airport at noon for as low as $656. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $696.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $637 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New Hampshire for as low as $602 on momondo.

Can stopping save me money on New Hampshire to London Heathrow Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a New Hampshire to London Heathrow Airport flight.

Cheap New Hampshire to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to London Heathrow Airport

Fastest flight time	6h 30m
Direct flights	Every day

The fastest flight from New Hampshire to London Heathrow Airport takes 6h 30m

Direct flights go from New Hampshire to London Heathrow Airport every day.

Search flight deals

When did momondo last update prices for flights from New Hampshire to London Heathrow Airport?
Prices for flights from New Hampshire to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to London Heathrow Airport?
As of November 2025, there are 17 operators available to choose from for flights from New Hampshire to London Heathrow Airport.
How old do you have to be to fly from New Hampshire to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Stratford-upon-Avon

Brentwood

Salisbury

Chelmsford

Folkestone

Romford

Ilford

Swindon

Cobham

Wembley

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to London?

Finding the right flight to London from New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from New Hampshire to London with flexible booking policies on momondo?

Yes. All flights to London from New Hampshire on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New Hampshire to London?

momondo provides multiple filters to help you find the best flight to London from New Hampshire. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New Hampshire to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from New Hampshire. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 12/3

Wed 12/10

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $313

Flights to London City Airportfrom $440

Flights to London Stansted Airportfrom $395

Flights to London Luton Airportfrom $395

Flights to Glasgow Intl Airportfrom $410

Flights to London Southend Airportfrom $435

Flights to Belfast Intl Airportfrom $509

Flights to Belfast City Airportfrom $521

Cheap flights from New Hampshire to London from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to London departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from New Hampshire to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from New Hampshire to London Heathrow Airport

Our best Delta deals on New Hampshire to London Heathrow Airport flight tickets

United Airlines flights from New Hampshire to London Heathrow Airport

Our best United Airlines deals on New Hampshire to London Heathrow Airport flight tickets

momondo Fare Finder

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

See travel insights to London from

How to get the cheapest flight ticket from New Hampshire to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $661. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $719.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

How far in advance should I book a flight to London Heathrow Airport?

Can stopping save me money on New Hampshire to London Heathrow Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a New Hampshire to London Heathrow Airport flight.

What is the cheapest airline that flies from New Hampshire to London Heathrow?

JetBlue, Austrian Airlines, and Delta are the most popular carriers operating from New Hampshire to London Heathrow

How many flights depart from New Hampshire to London Heathrow Airport on average per week?

As of November 2025, there are 226 flights per week flying from New Hampshire to London Heathrow Airport. The most common day of the week flights depart is Sun, with 16% of flights taking off on this day.

How long does it take to fly to London Heathrow Airport?

Cheap New Hampshire to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to London Heathrow Airport

Fastest flight time

Direct flights

When did momondo last update prices for flights from New Hampshire to London Heathrow Airport?

How many operators does momondo search for flights from New Hampshire to London Heathrow Airport?

How old do you have to be to fly from New Hampshire to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to London?

Can I find flights from New Hampshire to London with flexible booking policies on momondo?

How can momondo help me find flights from New Hampshire to London?

I’m not ready to book a flight from New Hampshire to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo