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Cheap flights from Connecticut to London from £134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to London departing on 16/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Aer Lingus Logo
17:45 - 08:05
EWR
-
LHR
9h 20m1 stop
Aer Lingus Logo
07:50 - 16:15
LHR
-
EWR
13h 25m1 stop
£368Aer Lingus
Fri, 9 Jan - Fri, 16 Jan
Austrian Airlines Logo
17:55 - 18:40
EWR
-
LHR
19h 45m1 stop
Austrian Airlines Logo
06:00 - 13:55
LHR
-
EWR
12h 55m1 stop
£368Austrian Airlines
Sat, 17 Jan - Sat, 24 Jan
TAP AIR PORTUGAL Logo
23:55 - 17:30
EWR
-
LHR
12h 35m1 stop
TAP AIR PORTUGAL Logo
08:15 - 22:05
LHR
-
EWR
18h 50m2 stops
£369TAP AIR PORTUGAL
Mon, 2 Feb - Tue, 10 Feb
Aer Lingus Logo
17:45 - 10:10
EWR
-
LHR
11h 25m1 stop
Aer Lingus Logo
09:50 - 16:15
LHR
-
EWR
11h 25m1 stop
£370Aer Lingus
Mon, 2 Feb - Tue, 10 Feb
TAP AIR PORTUGAL Logo
00:20 - 21:35
EWR
-
LHR
16h 15m2 stops
TAP AIR PORTUGAL Logo
13:40 - 22:10
LHR
-
EWR
13h 30m1 stop
£371TAP AIR PORTUGAL
Sun, 1 Feb - Tue, 10 Feb
United Airlines Logo
22:40 - 11:05
EWR
-
LHR
7h 25mdirect
United Airlines Logo
12:05 - 20:30
LHR
-
EWR
13h 25m1 stop
£371United Airlines
Wed, 31 Dec - Sat, 17 Jan
SWISS Logo
22:00 - 16:20
EWR
-
LHR
13h 20m1 stop
SWISS Logo
06:00 - 13:55
LHR
-
EWR
12h 55m1 stop
£373SWISS
Thu, 15 Jan - Tue, 27 Jan
Virgin Atlantic Logo
19:01 - 06:55
JFK
-
LHR
6h 54mdirect
Virgin Atlantic Logo
16:35 - 19:30
LHR
-
JFK
7h 55mdirect
£374Virgin Atlantic
Sun, 18 Jan - Sun, 25 Jan
SWISS Logo
16:25 - 08:05
JFK
-
LHR
10h 40m1 stop
SWISS Logo
06:00 - 13:05
LHR
-
JFK
12h 05m1 stop
£378SWISS
Sun, 11 Jan - Wed, 14 Jan
United Airlines Logo
10:05 - 07:10
JFK
-
LHR
17h 05m1 stop
United Airlines Logo
13:45 - 17:40
LHR
-
JFK
31h 55m1 stop
£380United Airlines
Wed, 18 Mar - Mon, 23 Mar

Aer Lingus flights from Connecticut to London Heathrow Airport

Our best Aer Lingus deals on Connecticut to London Heathrow Airport flight tickets
Aer Lingus
9 Jan
EWR17:45Newark
10h 20m
1 stop
LHR09:05London Heathrow
17 Jan
LHR07:50London Heathrow
13h 25m
1 stop
EWR16:15Newark
£368
Find similar
Aer Lingus
2 Feb
EWR17:45Newark
9h 20m
1 stop
LHR08:05London Heathrow
10 Feb
LHR09:50London Heathrow
11h 25m
1 stop
EWR16:15Newark
£370
Find similar
Aer Lingus
19 Jan
EWR17:45Newark
11h 25m
1 stop
LHR10:10London Heathrow
26 Jan
LHR07:50London Heathrow
13h 25m
1 stop
EWR16:15Newark
£372
Find similar

Brussels Airlines flights from Connecticut to London Heathrow Airport

Our best Brussels Airlines deals on Connecticut to London Heathrow Airport flight tickets
Brussels Airlines
17 Jan
EWR18:55Newark
10h 10m
1 stop
LHR10:05London Heathrow
7 Feb
LHR06:50London Heathrow
11h 40m
1 stop
EWR13:30Newark
£368
Find similar
Brussels Airlines
30 Dec
EWR22:40Newark
7h 25m
LHR11:05London Heathrow
29 Mar
LHR11:05London Heathrow
31h 00m
1 stop
EWR13:05Newark
£419
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Connecticut 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 279,928 searches. Data last updated 20 December 2025.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 9/1

17:45-08:05

1 stop9h 20m

London Heathrow

Fri 16/1

07:50-16:15

1 stop13h 25m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 17/1

17:55-18:40

1 stop19h 45m

London Heathrow

Sat 24/1

06:00-13:55

1 stop12h 55m

£368

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/2

23:55-17:30

1 stop12h 35m

London Heathrow

Tue 10/2

08:15-22:05

2 stops18h 50m

£369

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 2/2

17:45-10:10

1 stop11h 25m

London Heathrow

Tue 10/2

09:50-16:15

1 stop11h 25m

£370

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 1/2

00:20-21:35

2 stops16h 15m

London Heathrow

Tue 10/2

13:40-22:10

1 stop13h 30m

£371

NewarkLondon

EWR - LHR

EWRLHR

Newark

Wed 31/12

22:40-11:05

Nonstop7h 25m

London Heathrow

Sat 17/1

12:05-20:30

1 stop13h 25m

£371

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 15/1

22:00-16:20

1 stop13h 20m

London Heathrow

Tue 27/1

06:00-13:55

1 stop12h 55m

£373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 18/1

19:01-06:55

Nonstop6h 54m

London Heathrow

Sun 25/1

16:35-19:30

Nonstop7h 55m

£374

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 11/1

16:25-08:05

1 stop10h 40m

London Heathrow

Wed 14/1

06:00-13:05

1 stop12h 05m

£378

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 18/3

10:05-07:10

1 stop17h 05m

London Heathrow

Mon 23/3

13:45-17:40

1 stop31h 55m

£380

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Connecticut 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 month to fly to London Heathrow Airport?

In general, September is the cheapest month to fly from Connecticut to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £537. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £575.

Cheap Connecticut to London Heathrow Airport flight deals and tips

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

Fastest flight time

6h 50m

Direct flights

Every day
The fastest flight from Connecticut to London Heathrow Airport takes 6h 50m
Direct flights go from Connecticut to London Heathrow Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Connecticut to London Heathrow Airport?

    Prices for flights from Connecticut to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Connecticut to London Heathrow Airport?

  • How old do you have to be to fly from Connecticut to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Connecticut to London for you.

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

Yes. All flights to London from Connecticut on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Connecticut to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Connecticut to London.

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

Of course. momondo tracks the price of Connecticut to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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