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Cheap flights from New Haven to London Heathrow Airport from £531

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
HVN — LHR
31 Aug — 7 Sep1
1 adult

Cheap flight deals from New Haven to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from New Haven (HVN) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 August 2025.

Round-trip from

£531

Popular in

December

Cheapest in

January

Average price

£414
8/10-15/10
  • 8/10-15/10
  • 4 total stops
  • 47h 19m total
  • New Haven to London
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from New Haven to Heathrow

Cheapest flights from New Haven to Heathrow
Explore the most affordable flight options available from New Haven to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Wed 8/1016:30HVN - LHR
2 stops22h 50mMultiple Airlines
Wed 15/1013:05LHR - HVN
2 stops24h 29mMultiple Airlines
Deal found 24/8£531
Thu 9/1007:00HVN - LHR
2 stops29h 45mMultiple Airlines
Thu 16/1006:00LHR - HVN
3 stops44h 58mMultiple Airlines
Deal found 25/8£653
Tue 7/1007:30HVN - LHR
1 stop23h 10mMultiple Airlines
Tue 14/1016:10LHR - HVN
1 stop25h 58mMultiple Airlines
Deal found 22/8£661
Sat 6/906:30HVN - LHR
2 stops21h 55mMultiple Airlines
Sat 13/912:15LHR - HVN
2 stops31h 42mMultiple Airlines
Deal found 23/8£749

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Haven 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 858,174 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from New Haven to London Heathrow Airport that are best for you.

Fly from

New Haven

Fly to

Heathrow

Route

Depart

Return

Price

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 8/10

16:30-20:20

2 stops22h 50m

London Heathrow

Wed 15/10

13:05-08:34

2 stops24h 29m

£531

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 9/10

07:00-17:45

2 stops29h 45m

London Heathrow

Thu 16/10

06:00-21:58

3 stops44h 58m

£653

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 7/10

07:30-11:40

1 stop23h 10m

London Heathrow

Tue 14/10

16:10-13:08

1 stop25h 58m

£661

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 6/9

06:30-09:25

2 stops21h 55m

London Heathrow

Sat 13/9

12:15-14:57

2 stops31h 42m

£749

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Best time to book a flight from New Haven to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from New Haven with our price prediction graph.
Estimated return 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 Haven to London Heathrow Airport

What is the cheapest month to book a flight from New Haven to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from New Haven to London Heathrow Airport (average of £112). Flying from New Haven to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Related info for your journey

Find useful and relevant information for your journey from New Haven to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from New Haven to London Heathrow?

    Most people fly from Tweed-New Haven (HVN) if they book a flight from New Haven to London Heathrow. On average, Tweed-New Haven has 0 outbound flights to London Heathrow per day from 0 airlines. Tweed-New Haven is conveniently located just 3.6 mi from New Haven’s city center.

  • Can I find deals for flights from New Haven to Heathrow that include hotel bookings?

    Yes. In addition to deals on New Haven to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from New Haven to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Haven to Heathrow.

  • Can I find deals for business class flights from New Haven to Heathrow?

    Yes. Cheapflights offers flight deals from New Haven to Heathrow 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 Haven to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from New Haven to London Heathrow Airport (average of £112). Flying from New Haven to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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How does Cheapflights help users find flights from New Haven to Heathrow?

When you search for this flight from New Haven to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from New Haven to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from New Haven by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from New Haven to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from New Haven shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from New Haven to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on New Haven to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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