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$258+ Cheap flights from New Hampshire to Heathrow (LHR)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — LHR
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from New Hampshire to Heathrow

Keep the following information in mind while searching for New Hampshire to Heathrow flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$569
(oojo)

One-way from

$258
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$604
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
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From New Hampshire to London Heathrow
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One-way flight from New Hampshire to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from New Hampshire to Heathrow

Cheapest flights from New Hampshire to Heathrow
Explore the most affordable flight options available from New Hampshire to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Wed 8/279:55 pmBOS - LHR
Nonstop6h 35mIberia
Mon 9/18:10 pmLHR - BOS
Nonstop7h 35mIberia
Deal found 4/28$569
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Fri 8/158:20 pmBOS - LHR
Nonstop6h 30mBritish Airways
Mon 8/252:40 pmLHR - BOS
Nonstop7h 35mBritish Airways
Deal found 4/28$570
This United Airlines deal was found by Cheapflights users on 4/28. 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 4/305:35 pmBOS - LHR
1 stop11h 25mUnited Airlines
Wed 5/78:40 amLHR - BOS
1 stop11h 45mUnited Airlines
Deal found 4/28$575
This Scandinavian Airlines deal was found by Cheapflights users on 4/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:40 pmBOS - LHR
1 stop10h 40mScandinavian Airlines
Mon 9/156:40 amLHR - BOS
1 stop13h 55mScandinavian Airlines
Deal found 4/27$576
This Gotogate deal was found by Cheapflights users on 4/28. 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.
Thu 5/14:35 pmBOS - LHR
1 stop14h 15mAir Canada
Wed 5/712:40 pmLHR - BOS
2 stops14h 17mAir Canada
Deal found 4/28$577
This CrystalTravel deal was found by Cheapflights users on 4/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:05 pmBOS - LHR
1 stop11h 45mLufthansa
Sun 5/47:25 amLHR - BOS
1 stop15h 15mLufthansa
Deal found 4/28$581
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:00 pmBOS - LHR
1 stop11h 50mMultiple Airlines
Thu 5/88:40 amLHR - BOS
2 stops14h 17mMultiple Airlines
Deal found 4/29$582
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:26 pmBOS - LHR
Nonstop7h 04mJetBlue
Sun 5/48:25 amLHR - BOS
Nonstop7h 31mJetBlue
Deal found 4/29$584
This Flightnetwork deal was found by Cheapflights users on 4/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:40 pmBOS - LHR
Nonstop6h 40mFinnair
Wed 9/244:20 pmLHR - BOS
1 stop11h 02mFinnair
Deal found 4/28$586
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 4/299:40 pmBOS - LHR
1 stop10h 20mSWISS
Tue 5/68:45 amLHR - BOS
1 stop11h 40mSWISS
Deal found 4/28$592
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:50 pmBOS - LHR
1 stop18h 30mIcelandair
Tue 5/279:25 pmLHR - BOS
1 stop19h 10mIcelandair
Deal found 4/29$593
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:45 pmBOS - LHR
Nonstop6h 45mDelta
Thu 5/86:15 pmLHR - BOS
Nonstop7h 45mDelta
Deal found 4/29$594

Cheapflights Fare Finder

Customize your flight search to find flights from New Hampshire to Heathrow 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 April 29, 2025.
Use the filters below to find and compare flights from New Hampshire to London Heathrow Airport that are best for you.

Fly from

New Hampshire

Fly to

Heathrow

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 8/27

5:40 pm-12:55 pm

2 stops14h 15m

London Heathrow

Mon 9/1

7:05 am-3:35 pm

2 stops13h 30m

$569

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 8/15

8:20 pm-7:50 am

Nonstop6h 30m

London Heathrow

Mon 8/25

2:40 pm-5:15 pm

Nonstop7h 35m

$570

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 8/20

7:30 am-6:55 pm

Nonstop6h 25m

London Heathrow

Wed 9/3

9:55 am-9:15 pm

1 stop16h 20m

$571

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 5/9

10:20 am-6:30 am

1 stop15h 10m

London Heathrow

Wed 5/14

12:10 pm-3:25 pm

1 stop32h 15m

$575

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 5/9

10:45 pm-10:30 am

Nonstop6h 45m

London Heathrow

Sun 5/18

12:45 pm-3:40 pm

Nonstop7h 55m

$581

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/1

3:20 pm-11:50 am

2 stops15h 30m

London Heathrow

Tue 9/16

8:45 am-5:52 pm

2 stops14h 07m

$582

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 10/14

6:30 pm-6:30 am

Nonstop7h 00m

London Heathrow

Wed 10/22

8:25 am-11:06 am

Nonstop7h 41m

$584

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 5/12

5:50 am-6:35 am

2 stops19h 45m

London Heathrow

Mon 5/19

6:00 am-1:50 pm

1 stop12h 50m

$585

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 9/6

7:40 pm-7:20 am

Nonstop6h 40m

London Heathrow

Wed 9/24

4:20 pm-10:22 pm

1 stop11h 02m

$586

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 5/9

9:40 pm-1:00 pm

1 stop10h 20m

London Heathrow

Mon 5/19

8:40 am-3:25 pm

1 stop11h 45m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 52 results
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Best time to book a flight from New Hampshire to Heathrow

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

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

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
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Hampshire to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from New Hampshire to Heathrow

Discover the top 2 airlines that operate flights from New Hampshire to Heathrow. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$860FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$683Average$788FlexibilityNo cancel feeOn-time71%

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