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Cheap flights from New Haven to London Heathrow Airport from £363

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
HVN — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from New Haven to Heathrow

Enter your travel dates to find the best prices.

Best flights from New Haven to Heathrow
Discover carefully curated flight deals from New Haven to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Sun 25/115:05HVN - LHR
1 stop15h 10mMultiple Airlines
Sun 1/207:40LHR - HVN
1 stop17h 46mMultiple Airlines
Deal found 11/12£615
Thu 8/115:55HVN - LHR
3 stops34h 15mMultiple Airlines
Thu 15/108:15LHR - HVN
3 stops33h 36mMultiple Airlines
Deal found 10/12£671
Sat 24/108:00HVN - LHR
2 stops22h 40mMultiple Airlines
Sat 31/110:50LHR - HVN
1 stop32h 43mMultiple Airlines
Deal found 10/12£692
Wed 7/108:00HVN - LHR
3 stops42h 10mMultiple Airlines
Wed 14/106:00LHR - HVN
3 stops37h 33mMultiple Airlines
Deal found 10/12£740
Fri 20/314:25HVN - LHR
3 stops36h 45mMultiple Airlines
Fri 3/408:00LHR - HVN
3 stops43h 59mMultiple Airlines
Deal found 11/12£899

Find 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 12 December 2025.

Round-trip from

£615

One-way from

£363

Popular in

December

Cheapest in

January

Average price

£544
25/1-1/2
  • 25/1-1/2
  • 2 total stops
  • 32h 56m total
  • New Haven to London
Search Deals
15/4
  • 15/4
  • 1 total stop
  • 14h 05m total
  • New Haven to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 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

Sun 25/1

15:05-11:15

1 stop15h 10m

London Heathrow

Sun 1/2

07:40-20:26

1 stop17h 46m

£615

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 8/1

15:55-07:10

3 stops34h 15m

London Heathrow

Thu 15/1

08:15-12:51

3 stops33h 36m

£671

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 24/1

08:00-11:40

2 stops22h 40m

London Heathrow

Sat 31/1

10:50-14:33

1 stop32h 43m

£692

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 7/1

08:00-07:10

3 stops42h 10m

London Heathrow

Wed 14/1

06:00-14:33

3 stops37h 33m

£740

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Fri 20/3

14:25-07:10

3 stops36h 45m

London Heathrow

Fri 3/4

08:00-22:59

3 stops43h 59m

£899

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 15/4

16:40-11:45

1 stop14h 05m

£363

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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, October is the cheapest month in which you can book a flight from New Haven to London Heathrow Airport (average of £12). Flying from New Haven to London Heathrow Airport in June is currently the most expensive (average of £431). 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, October is the cheapest month in which you can book a flight from New Haven to London Heathrow Airport (average of £12). Flying from New Haven to London Heathrow Airport in June is currently the most expensive (average of £431). 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
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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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