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).

How far in advance should I book a flight from New Haven to London Heathrow Airport?

Find a great deal and save up to 22% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from New Haven to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £456.

What is the cheapest month to fly from New Haven to London Heathrow Airport?

Flights from New Haven to London Heathrow Airport lean towards being more expensive in December. Prices are generally better when you fly from New Haven to London Heathrow Airport in January, with the cheapest ticket starting at £277.

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.

£608+ Flights from New Haven to London Heathrow Airport

Cheap flight deals from New Haven to Heathrow

Round-trip from	£608
Popular in	December
Cheapest in	January
Average price	£380

26/10-2/11
4 total stops
55h 57m total
New Haven to London

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High demand for flights, 4% potential price rise

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Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

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Average for round-trip flights in September 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 12 September 2025.

Sun 26/1016:25HVN - LHR

2 stops34h 05mMultiple Airlines

Sun 2/1105:00LHR - HVN

2 stops21h 52mMultiple Airlines

Deal found 11/9£608

Tue 21/1007:30HVN - LHR

3 stops47h 35mMultiple Airlines

Tue 28/1006:00LHR - HVN

3 stops35h 08mMultiple Airlines

Deal found 10/9£687

Wed 1/1007:30HVN - LHR

2 stops27h 30mMultiple Airlines

Wed 8/1006:40LHR - HVN

2 stops35h 23mMultiple Airlines

Deal found 11/9£749

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 September 2025.

Sun 26/1016:25HVN - LHR

2 stops34h 05mMultiple Airlines

Sun 2/1105:00LHR - HVN

2 stops21h 52mMultiple Airlines

Deal found 11/9£608

Tue 21/1007:30HVN - LHR

3 stops47h 35mMultiple Airlines

Tue 28/1006:00LHR - HVN

3 stops35h 08mMultiple Airlines

Deal found 10/9£687

Wed 1/1007:30HVN - LHR

2 stops27h 30mMultiple Airlines

Wed 8/1006:40LHR - HVN

2 stops35h 23mMultiple Airlines

Deal found 11/9£749

Last-minute flights from New Haven to Heathrow
Discover last-minute flight deals from New Haven to Heathrow. Data last updated 12 September 2025 and is based on user searches.

Wed 1/1007:30HVN - LHR

2 stops27h 30mMultiple Airlines

Wed 8/1006:40LHR - HVN

2 stops35h 23mMultiple Airlines

Deal found 11/9£749

Tue 21/1007:30HVN - LHR

3 stops47h 35mMultiple Airlines

Tue 28/1006:00LHR - HVN

3 stops35h 08mMultiple Airlines

Deal found 10/9£687

Sun 26/1016:25HVN - LHR

2 stops34h 05mMultiple Airlines

Sun 2/1105:00LHR - HVN

2 stops21h 52mMultiple Airlines

Deal found 11/9£608

Cheapflights Fare Finder

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

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sun 26/10

16:25-06:30

2 stops34h 05m

London Heathrow

Sun 2/11

05:00-22:52

2 stops21h 52m

£608

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 21/10

07:30-12:05

3 stops47h 35m

London Heathrow

Tue 28/10

06:00-13:08

3 stops35h 08m

£687

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Wed 1/10

07:30-16:00

2 stops27h 30m

London Heathrow

Wed 8/10

06:40-13:03

2 stops35h 23m

£749

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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

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.

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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 £608

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. 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

Round-trip from

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Cheapest in

Average price

Find 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 12 September 2025.

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 September 2025.

Cheapflights Fare Finder

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.

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?

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?

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?

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

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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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 September 2025.