In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from HVN to LHR?

When flying from New Haven to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£342+ Cheap Flights from New Haven to London Heathrow Airport

Cheap flight deals from New Haven to Heathrow

Enter your travel dates to find the best prices.

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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 24 October 2026.

Sat 5/1215:45 -

2 stops22h 10m

Sat 12/1220:50 -

3 stops30h 40m

Deal found 21/10£726

Sun 6/1216:25 -

2 stops24h 10m

Sun 13/1212:25 -

3 stops29h 00m

Deal found 21/10£815

Thu 3/1215:45 -

2 stops22h 10m

Thu 10/1212:15 -

3 stops29h 10m

Deal found 20/10£816

Wed 18/1107:30 -

3 stops27h 00m

Wed 25/1119:30 -

3 stops31h 53m

Deal found 21/10£871

Tue 17/1106:30 -

3 stops32h 00m

Tue 24/1112:15 -

3 stops33h 45m

Deal found 20/10£918

Find flight deals from New Haven to Heathrow

Round-trip from	£726
One-way from	£342

5/12-12/12
5 total stops
52h 50m total
New Haven to London

Search Deals

7/1-31/12
3 total stops
34h 31m total
New Haven to London

Search Deals

Cheapflights Fare Finder

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

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Route

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Price

Cheapest return flight

Fastest return journey

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Thu 7/1

16:35-22:30

2 stops24h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£499

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Sat 5/12

15:45-18:55

2 stops22h 10m

London Heathrow

Sat 12/12

20:50-22:30

3 stops30h 40m

£726

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Sun 6/12

16:25-21:35

2 stops24h 10m

London Heathrow

Sun 13/12

12:25-12:25

3 stops29h 00m

£815

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Thu 3/12

15:45-22:40

2 stops25h 55m

London Heathrow

Thu 10/12

12:15-12:25

3 stops29h 10m

£829

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Wed 18/11

13:00-11:20

2 stops17h 20m

London Heathrow

Wed 25/11

19:30-22:23

3 stops31h 53m

£888

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Tue 17/11

06:30-19:30

3 stops32h 00m

London Heathrow

Tue 24/11

12:15-17:00

3 stops33h 45m

£918

New HavenLondon

HVN Tweed-New Haven - LHR London Heathrow

HVNLHR

Tweed-New Haven

Fri 4/12

08:30-10:50

2 stops21h 20m

London Heathrow

Fri 11/12

15:00-22:18

3 stops36h 18m

£923

Flights are sorted by cheapest return flights first.

Deals found on 23/10

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.

HVN-LHR

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.

Related info for your journey

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.

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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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Cheap flights from New Haven to London Heathrow Airport from £342

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

Cheap flight deals from New Haven to Heathrow

Cheapest flights from New Haven to HeathrowExplore 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 24 October 2026.

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 24 October 2026.

Best flights from New Haven to HeathrowDiscover 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 24 October 2026.

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 24 October 2026.

Last-minute flights from New Haven to HeathrowDiscover last-minute flight deals from New Haven to Heathrow. Data last updated 24 October 2026 and is based on user searches.

Discover last-minute flight deals from New Haven to Heathrow. Data last updated 24 October 2026 and is based on user searches.

One-way flights from New Haven to HeathrowSearch for one-way flight options from New Haven to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.

Search for one-way flight options from New Haven to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.

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

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.

Related info for your journey

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Haven to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from New Haven to Heathrow by cabin class

Find flights from New Haven to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 October 2026.

New Haven and Heathrow flights

Browse other New Haven and Heathrow flight options. Last updated on 24 October 2026.

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

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

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

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

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Travel Smart

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 24 October 2026.

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 24 October 2026.

Last-minute flights from New Haven to Heathrow
Discover last-minute flight deals from New Haven to Heathrow. Data last updated 24 October 2026 and is based on user searches.

One-way flights from New Haven to Heathrow
Search for one-way flight options from New Haven to Heathrow. Find affordable one-way fares based on user searches. Data last updated 24 October 2026.