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Cheap flights from New Haven to London from $381

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Haven to London departing on 5/25. 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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Find the cheapest flights from New Haven to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 6:30 am
HVN
-
LHR
19h 00m
2 stops
Multiple Airlines Logo
10:50 am - 2:32 pm
LHR
-
HVN
32h 42m
2 stops
$972Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
1:20 pm - 4:25 pm
HVN
-
LHR
22h 05m
3 stops
Multiple Airlines Logo
2:10 pm - 1:11 pm
LHR
-
HVN
28h 01m
3 stops
$1,020Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
3:50 pm - 12:15 pm
HVN
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
11:10 am - 10:07 pm
LHR
-
HVN
15h 57m
1 stop
$1,025Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
6:30 am - 10:00 am
HVN
-
LHR
22h 30m
3 stops
Multiple Airlines Logo
2:10 pm - 1:34 pm
LHR
-
HVN
28h 24m
3 stops
$1,055Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
1:20 pm - 4:25 pm
HVN
-
LHR
22h 05m
3 stops
Multiple Airlines Logo
10:05 pm - 9:06 pm
LHR
-
HVN
28h 01m
2 stops
$1,067Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
3:50 pm - 3:40 pm
HVN
-
LHR
18h 50m
2 stops
Multiple Airlines Logo
6:30 am - 10:07 pm
LHR
-
HVN
20h 37m
2 stops
$1,069Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
2:46 pm - 5:20 am
HVN
-
LHR
33h 34m
1 stop
Multiple Airlines Logo
6:30 pm - 9:58 am
LHR
-
HVN
44h 28m
2 stops
$1,161Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
8:50 am - 6:30 am
HVN
-
LHR
16h 40m
2 stops
Multiple Airlines Logo
12:05 pm - 1:34 pm
LHR
-
HVN
30h 29m
3 stops
$1,235Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
3:50 pm - 12:15 pm
HVN
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
8:50 am - 10:07 pm
LHR
-
HVN
18h 17m
2 stops
$1,236Multiple Airlines
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
3:20 pm - 11:55 am
HVN
-
LHR
15h 35m
2 stops
Multiple Airlines Logo
10:05 pm - 9:06 pm
LHR
-
HVN
28h 01m
2 stops
$1,243Multiple Airlines
Sun, Apr 19 - Sun, Apr 26

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 March 10, 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 round-trip

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 4/21

6:30 am-6:30 am

2 stops19h 00m

London Heathrow

Tue 4/28

10:50 am-2:32 pm

2 stops32h 42m

$972

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sun 4/19

1:20 pm-4:25 pm

3 stops22h 05m

London Heathrow

Sun 4/26

2:10 pm-1:11 pm

3 stops28h 01m

$1,020
Quickest round-trip

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 4/23

3:50 pm-12:15 pm

1 stop15h 25m

London Heathrow

Thu 4/30

11:10 am-10:07 pm

1 stop15h 57m

$1,025

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 4/21

6:30 am-10:00 am

3 stops22h 30m

London Heathrow

Tue 4/28

2:10 pm-1:34 pm

3 stops28h 24m

$1,055

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sun 4/19

1:20 pm-4:25 pm

3 stops22h 05m

London Heathrow

Sun 4/26

10:05 pm-9:06 pm

2 stops28h 01m

$1,067

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 4/23

3:50 pm-3:40 pm

2 stops18h 50m

London Heathrow

Thu 4/30

6:30 am-10:07 pm

2 stops20h 37m

$1,069

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 4/21

2:46 pm-5:20 am

1 stop33h 34m

London Heathrow

Tue 4/28

6:30 pm-9:58 am

2 stops44h 28m

$1,161

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Tue 4/21

8:50 am-6:30 am

2 stops16h 40m

London Heathrow

Tue 4/28

12:05 pm-1:34 pm

3 stops30h 29m

$1,235

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Thu 4/23

3:50 pm-12:15 pm

1 stop15h 25m

London Heathrow

Thu 4/30

8:50 am-10:07 pm

2 stops18h 17m

$1,236

New HavenLondon

HVN - LHR

HVNLHR

Tweed-New Haven

Sun 4/19

3:20 pm-11:55 am

2 stops15h 35m

London Heathrow

Sun 4/26

10:05 pm-9:06 pm

2 stops28h 01m

$1,243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 $638. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $700.

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 in the morning. momondo users have found flights departing from New Haven to London Heathrow Airport in the morning for as low as $608. 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 evening are often more expensive with an average ticket price of $686.

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

Fastest flight time

15h 25m

Direct flights

None
The fastest flight from New Haven to London Heathrow Airport takes 15h 25m
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.
Search flight deals

  • 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 15h 25m.

  • 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
Luton
Dover
Slough
Crawley
Stratford-upon-Avon
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford

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.

An easier way to manage your London Heathrow Airport trip

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