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Cheap flights from New Haven to London from $765

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from New Haven to London departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
4:15 pm - 7:10 amHVN-LHR
33h 55m3 stops
Multiple Airlines Logo
6:00 am - 1:19 pmLHR-HVN
36h 19m3 stops
$765Multiple Airlines
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Fri, Dec 5 - Tue, Dec 9
Multiple Airlines Logo
3:30 pm - 7:30 pmHVN-LHR
23h 00m2 stops
Multiple Airlines Logo
8:35 pm - 10:55 pmLHR-HVN
31h 20m2 stops
$1,040Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
2:20 pm - 5:05 pmHVN-LHR
21h 45m2 stops
Multiple Airlines Logo
6:00 pm - 10:39 pmLHR-HVN
33h 39m2 stops
$1,099Multiple Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
2:20 pm - 5:05 pmHVN-LHR
21h 45m2 stops
Multiple Airlines Logo
11:10 am - 12:56 pmLHR-HVN
30h 46m3 stops
$1,110Multiple Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
7:30 am - 7:10 amHVN-LHR
42h 40m3 stops
Multiple Airlines Logo
8:45 pm - 10:29 pmLHR-HVN
30h 44m2 stops
$1,156Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Jan 4
Multiple Airlines Logo
7:30 am - 7:10 amHVN-LHR
42h 40m3 stops
Multiple Airlines Logo
6:45 pm - 10:29 pmLHR-HVN
32h 44m3 stops
$1,167Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Jan 4
Multiple Airlines Logo
8:50 am - 11:20 amHVN-LHR
21h 30m3 stops
Multiple Airlines Logo
8:35 pm - 10:23 pmLHR-HVN
30h 48m3 stops
$1,173Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
8:50 am - 11:20 amHVN-LHR
21h 30m3 stops
Multiple Airlines Logo
6:00 pm - 10:23 pmLHR-HVN
33h 23m2 stops
$1,227Multiple Airlines
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Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
8:30 am - 11:20 amHVN-LHR
21h 50m2 stops
Multiple Airlines Logo
4:20 pm - 10:29 pmLHR-HVN
35h 09m2 stops
$1,489Multiple Airlines
Find Deal
Sat, Dec 13 - Sun, Jan 4

momondo Fare Finder

 
Customize your flight search to find flights from New Haven to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated November 17, 2025.
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

Fri 12/5

4:15 pm-7:10 am

3 stops33h 55m

London Heathrow

Tue 12/9

6:00 am-1:19 pm

3 stops36h 19m

$765

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Mon 12/15

3:30 pm-7:30 pm

2 stops23h 00m

London Heathrow

Mon 12/22

8:35 pm-10:55 pm

2 stops31h 20m

$1,040

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 1/1

2:20 pm-5:05 pm

2 stops21h 45m

London Heathrow

Thu 1/8

6:00 pm-10:39 pm

2 stops33h 39m

$1,099

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 1/1

2:20 pm-5:05 pm

2 stops21h 45m

London Heathrow

Thu 1/8

11:10 am-12:56 pm

3 stops30h 46m

$1,110

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 12/13

7:30 am-7:10 am

3 stops42h 40m

London Heathrow

Sun 1/4

8:45 pm-10:29 pm

2 stops30h 44m

$1,156

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 12/13

7:30 am-7:10 am

3 stops42h 40m

London Heathrow

Sun 1/4

6:45 pm-10:29 pm

3 stops32h 44m

$1,167

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Mon 12/15

8:50 am-11:20 am

3 stops21h 30m

London Heathrow

Mon 12/22

8:35 pm-10:23 pm

3 stops30h 48m

$1,173

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Mon 12/15

8:50 am-11:20 am

3 stops21h 30m

London Heathrow

Mon 12/22

6:00 pm-10:23 pm

2 stops33h 23m

$1,227

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sat 12/13

8:30 am-11:20 am

2 stops21h 50m

London Heathrow

Sun 1/4

4:20 pm-10:29 pm

2 stops35h 09m

$1,489

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from New Haven to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $643. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $683.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from New Haven to London Heathrow Airport at noon for as low as $586. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $693.

When to book flights from New Haven to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New Haven to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New Haven to London Heathrow Airport (HVN to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Haven to London Heathrow Airport

Direct flights

None
There are no direct flights from New Haven to London Heathrow Airport. There are no popular flight routes from New Haven to London Heathrow Airport.
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  • How far is Tweed-New Haven to London Heathrow by plane?

    There are 3376.6 mi between Tweed-New Haven and London Heathrow. In terms of flight time, this usually takes a little over 21h 30m.

  • When did momondo last update prices for flights from Tweed-New Haven Airport to London Heathrow Airport?

    Prices for flights from Tweed-New Haven Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Tweed-New Haven Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Tweed-New Haven Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

Why use momondo?

Why should I use momondo to find a flight deal from New Haven to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New Haven to London. momondo saves you time and could save you money on your trip.

Can I find flights from New Haven to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from New Haven which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Haven to London?

momondo helps you find the best flight between New Haven and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from New Haven to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Haven to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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