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Cheap flights from New Haven to London Heathrow Airport from £284

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
HVN — LHR
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from New Haven to Heathrow

Enter your travel dates to find the best prices.

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 12 March 2026.

Tue 21/406:30
HVN
-
LHR
2 stops19h 00m
Multiple Airlines
Tue 28/410:50
LHR
-
HVN
2 stops32h 42m
Multiple Airlines
Deal found 7/3£724
Fri 24/416:20
HVN
-
LHR
1 stop14h 55m
Multiple Airlines
Fri 1/512:15
LHR
-
HVN
1 stop15h 24m
Multiple Airlines
Deal found 10/3£732
Thu 23/415:50
HVN
-
LHR
1 stop15h 25m
Multiple Airlines
Thu 30/411:10
LHR
-
HVN
1 stop15h 57m
Multiple Airlines
Deal found 9/3£763
Sat 25/411:10
HVN
-
LHR
3 stops27h 45m
Multiple Airlines
Sat 2/520:50
LHR
-
HVN
3 stops30h 17m
Multiple Airlines
Deal found 11/3£784
Wed 8/406:30
HVN
-
LHR
2 stops22h 05m
Multiple Airlines
Wed 15/406:50
LHR
-
HVN
3 stops20h 14m
Multiple Airlines
Deal found 10/3£866

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 March 2026.

Round-trip from

£724

One-way from

£284

Popular in

December

Cheapest in

September

Average price

£420
21/4-28/4
  • 21/4-28/4
  • 4 total stops
  • 51h 42m total
  • New Haven to London
Search Deals
25/5
  • 25/5
  • 3 total stops
  • 42h 59m total
  • New Haven to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 2026.
Use the filters below to find and compare flights from New Haven to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 21/4

06:30-06:30

2 stops19h 00m

London Heathrow

Tue 28/4

10:50-14:32

2 stops32h 42m

£724
Fastest return journey

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Fri 24/4

16:20-12:15

1 stop14h 55m

London Heathrow

Fri 1/5

12:15-22:39

1 stop15h 24m

£732

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 25/4

11:10-19:55

3 stops27h 45m

London Heathrow

Sat 2/5

20:50-22:07

3 stops30h 17m

£784

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 23/4

15:50-15:40

2 stops18h 50m

London Heathrow

Thu 30/4

06:30-22:07

2 stops20h 37m

£796

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 8/4

06:30-09:35

2 stops22h 05m

London Heathrow

Wed 15/4

06:50-22:04

3 stops20h 14m

£866
Cheapest one-way

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 15/4

15:33-17:45

3 stops45h 12m

£486
Fastest single journey

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Mon 25/5

11:50-20:20

2 stops27h 30m

£510

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Sorted by cheapest first

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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

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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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