Cheap flights from Connecticut to London from £177

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 4/8. 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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Scandinavian Airlines Logo
17:15 - 13:35
EWR
-
LHR
15h 20m
1 stop
Scandinavian Airlines Logo
06:40 - 13:15
LHR
-
EWR
11h 35m
1 stop
£384Scandinavian Airlines
Fri, 24 Apr - Sun, 26 Apr
Scandinavian Airlines Logo
17:20 - 14:35
EWR
-
LHR
16h 15m
2 stops
Scandinavian Airlines Logo
06:40 - 13:15
LHR
-
EWR
11h 35m
1 stop
£388Scandinavian Airlines
Fri, 24 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
22:05 - 22:55
JFK
-
LHR
19h 50m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 20:05
LHR
-
JFK
19h 05m
1 stop
£388TAP AIR PORTUGAL
Mon, 4 May - Wed, 20 May
Scandinavian Airlines Logo
17:45 - 14:35
EWR
-
LHR
15h 50m
1 stop
Scandinavian Airlines Logo
06:40 - 13:15
LHR
-
EWR
11h 35m
1 stop
£390Scandinavian Airlines
Fri, 17 Apr - Sun, 19 Apr
Air Canada Logo
15:50 - 08:35
JFK
-
LHR
11h 45m
1 stop
Air Canada Logo
08:30 - 15:07
LHR
-
JFK
11h 37m
1 stop
£391Air Canada
Tue, 12 May - Fri, 22 May
TAP AIR PORTUGAL Logo
22:05 - 22:55
JFK
-
LHR
19h 50m
1 stop
TAP AIR PORTUGAL Logo
06:00 - 20:05
LHR
-
JFK
19h 05m
1 stop
£391TAP AIR PORTUGAL
Thu, 16 Apr - Tue, 21 Apr
Air Canada Logo
14:30 - 09:35
LGA
-
LHR
14h 05m
1 stop
Air Canada Logo
14:05 - 19:31
LHR
-
LGA
10h 26m
1 stop
£476Air Canada
Sun, 12 Apr - Sat, 25 Apr
Lufthansa Logo
16:00 - 06:30
LGA
-
LHR
9h 30m
1 stop
Lufthansa Logo
14:05 - 21:30
LHR
-
LGA
12h 25m
1 stop
£504Lufthansa
Fri, 24 Apr - Tue, 28 Apr
Virgin Atlantic Logo
12:55 - 07:10
BDL
-
LHR
13h 15m
1 stop
Virgin Atlantic Logo
13:25 - 23:59
LHR
-
BDL
15h 34m
1 stop
£602Virgin Atlantic
Tue, 21 Apr - Tue, 28 Apr
Lufthansa Logo
15:05 - 14:40
BDL
-
LHR
18h 35m
2 stops
Lufthansa Logo
10:50 - 23:57
LHR
-
BDL
18h 07m
2 stops
£603Lufthansa
Tue, 15 Sep - Tue, 6 Oct

TAP AIR PORTUGAL flights from Connecticut to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Connecticut to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
4 May
JFK22:05New York John F Kennedy Intl
19h 50m
1 stop
LHR22:55London Heathrow
20 May
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£388
TAP AIR PORTUGAL
16 Apr
JFK22:05New York John F Kennedy Intl
19h 50m
1 stop
LHR22:55London Heathrow
21 Apr
LHR06:00London Heathrow
19h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£391
TAP AIR PORTUGAL
16 Apr
JFK22:05New York John F Kennedy Intl
19h 00m
1 stop
LHR22:05London Heathrow
4 May
LHR08:00London Heathrow
17h 05m
1 stop
JFK20:05New York John F Kennedy Intl
£394

Air Canada flights from Connecticut to London Heathrow Airport

Our best Air Canada deals on Connecticut to London Heathrow Airport flight tickets
Air Canada
12 May
JFK15:50New York John F Kennedy Intl
11h 45m
1 stop
LHR08:35London Heathrow
22 May
LHR08:30London Heathrow
11h 37m
1 stop
JFK15:07New York John F Kennedy Intl
£391
Air Canada
12 Apr
LGA14:30New York LaGuardia
14h 05m
1 stop
LHR09:35London Heathrow
25 Apr
LHR14:05London Heathrow
10h 26m
1 stop
LGA19:31New York LaGuardia
£476
Air Canada
23 May
LGA17:40New York LaGuardia
11h 20m
1 stop
LHR10:00London Heathrow
6 Jun
LHR08:30London Heathrow
11h 29m
1 stop
LGA14:59New York LaGuardia
£485

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 26 March 2026.
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

Cheapest return flight

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 24/4

17:15-13:35

1 stop15h 20m

London Heathrow

Sun 26/4

06:40-13:15

1 stop11h 35m

£384

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 24/4

17:20-14:35

2 stops16h 15m

London Heathrow

Sun 26/4

06:40-13:15

1 stop11h 35m

£388

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 4/5

22:05-22:55

1 stop19h 50m

London Heathrow

Wed 20/5

06:00-20:05

1 stop19h 05m

£388

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 17/4

17:45-14:35

1 stop15h 50m

London Heathrow

Sun 19/4

06:40-13:15

1 stop11h 35m

£390

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 12/5

15:50-08:35

1 stop11h 45m

London Heathrow

Fri 22/5

08:30-15:07

1 stop11h 37m

£391

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 16/4

22:05-22:55

1 stop19h 50m

London Heathrow

Tue 21/4

06:00-20:05

1 stop19h 05m

£391

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sun 12/4

14:30-09:35

1 stop14h 05m

London Heathrow

Sat 25/4

14:05-19:31

1 stop10h 26m

£476
Fastest return journey

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Fri 24/4

16:00-06:30

1 stop9h 30m

London Heathrow

Tue 28/4

14:05-21:30

1 stop12h 25m

£504

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 21/4

12:55-07:10

1 stop13h 15m

London Heathrow

Tue 28/4

13:25-23:59

1 stop15h 34m

£602

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 15/9

15:05-14:40

2 stops18h 35m

London Heathrow

Tue 6/10

10:50-23:57

2 stops18h 07m

£603

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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, February 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 £473. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Connecticut averaging around £549.

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.
  • 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
Stratford-upon-Avon
Northampton
Swindon
Southend-on-Sea
Ipswich
Wembley
Canterbury
Ilford
Guildford
Poole
Hayes
Chelmsford
Dover
Folkestone

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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1 adult
Sat 25/4
Sat 2/5

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