Cheap flights from Connecticut to London from $152

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 9/19. 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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Cheap round-trip flights

SWISS Logo
4:15 pm - 7:55 amJFK-LHR
10h 40m1 stop
SWISS Logo
6:00 am - 12:50 pmLHR-JFK
11h 50m1 stop
$265SWISS
Find Deal
Mon, Sep 8 - Mon, Oct 6
SWISS Logo
4:15 pm - 7:55 amJFK-LHR
10h 40m1 stop
SWISS Logo
6:00 am - 12:50 pmLHR-JFK
11h 50m1 stop
$266SWISS
Find Deal
Thu, Oct 2 - Sun, Oct 5
Brussels Airlines Logo
6:10 pm - 10:15 amJFK-LHR
11h 05m1 stop
Brussels Airlines Logo
6:50 am - 1:00 pmLHR-JFK
11h 10m1 stop
$279Brussels Airlines
Find Deal
Fri, Sep 26 - Sun, Oct 5
Brussels Airlines Logo
6:10 pm - 10:15 amJFK-LHR
11h 05m1 stop
Brussels Airlines Logo
6:50 am - 1:00 pmLHR-JFK
11h 10m1 stop
$304Brussels Airlines
Find Deal
Mon, Sep 15 - Tue, Oct 7
British Airways Logo
6:15 pm - 6:15 amJFK-LHR
7h 00mnonstop
British Airways Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$365British Airways
Find Deal
Fri, Nov 7 - Sun, Nov 9
British Airways Logo
10:55 pm - 11:05 amJFK-LHR
7h 10mnonstop
British Airways Logo
7:55 am - 2:50 pmLHR-JFK
11h 55m1 stop
$366British Airways
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
9:35 pm - 9:35 amJFK-LHR
7h 00mnonstop
American Airlines Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$372American Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
American Airlines Logo
11:20 pm - 11:15 amJFK-LHR
6h 55mnonstop
American Airlines Logo
6:15 am - 1:15 pmLHR-JFK
12h 00m1 stop
$373American Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 14
TAP AIR PORTUGAL Logo
10:05 pm - 5:45 pmJFK-LHR
14h 40m1 stop
TAP AIR PORTUGAL Logo
11:20 am - 8:05 pmLHR-JFK
13h 45m1 stop
$378TAP AIR PORTUGAL
Find Deal
Thu, Oct 16 - Wed, Oct 22
TAP AIR PORTUGAL Logo
10:50 pm - 6:50 pmEWR-LHR
15h 00m1 stop
TAP AIR PORTUGAL Logo
7:50 pm - 3:20 pmLHR-EWR
24h 30m1 stop
$384TAP AIR PORTUGAL
Find Deal
Mon, Sep 15 - Wed, Sep 24

Brussels Airlines flights from Connecticut to London Heathrow Airport

Our best Brussels Airlines deals on Connecticut to London Heathrow Airport flight tickets
Brussels Airlines
Sep 26
JFK6:10 pmNew York John F Kennedy Intl
11h 05m
1 stop
LHR10:15 amLondon Heathrow
Oct 5
LHR6:50 amLondon Heathrow
11h 10m
1 stop
JFK1:00 pmNew York John F Kennedy Intl
Brussels Airlines
Sep 15
JFK6:10 pmNew York John F Kennedy Intl
11h 05m
1 stop
LHR10:15 amLondon Heathrow
Oct 7
LHR6:50 amLondon Heathrow
11h 10m
1 stop
JFK1:00 pmNew York John F Kennedy Intl
Brussels Airlines
Aug 15
JFK6:10 pmNew York John F Kennedy Intl
21h 45m
1 stop
LHR8:55 pmLondon Heathrow
Sep 8
LHR7:45 amLondon Heathrow
10h 15m
1 stop
JFK1:00 pmNew York John F Kennedy Intl

British Airways flights from Connecticut to London Heathrow Airport

Our best British Airways deals on Connecticut to London Heathrow Airport flight tickets
British Airways
Nov 7
JFK6:15 pmNew York John F Kennedy Intl
7h 00m
LHR6:15 amLondon Heathrow
Nov 9
LHR6:15 amLondon Heathrow
12h 00m
1 stop
JFK1:15 pmNew York John F Kennedy Intl
British Airways
Sep 12
JFK10:55 pmNew York John F Kennedy Intl
7h 10m
LHR11:05 amLondon Heathrow
Sep 14
LHR7:55 amLondon Heathrow
11h 55m
1 stop
JFK2:50 pmNew York John F Kennedy Intl
British Airways
Dec 12
JFK5:29 pmNew York John F Kennedy Intl
8h 31m
1 stop
LHR7:00 amLondon Heathrow
Dec 14
LHR6:15 amLondon Heathrow
12h 00m
1 stop
JFK1:15 pmNew York John F Kennedy Intl

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 5, 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

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/8

4:15 pm-7:55 am

1 stop10h 40m

London Heathrow

Mon 10/6

6:00 am-12:50 pm

1 stop11h 50m

$265

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/2

4:15 pm-7:55 am

1 stop10h 40m

London Heathrow

Sun 10/5

6:00 am-12:50 pm

1 stop11h 50m

$266

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/26

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Sun 10/5

6:50 am-1:00 pm

1 stop11h 10m

$279

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 9/15

6:10 pm-10:15 am

1 stop11h 05m

London Heathrow

Tue 10/7

6:50 am-1:00 pm

1 stop11h 10m

$304

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/7

6:15 pm-6:15 am

Nonstop7h 00m

London Heathrow

Sun 11/9

6:15 am-1:15 pm

1 stop12h 00m

$365

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 9/12

10:55 pm-11:05 am

Nonstop7h 10m

London Heathrow

Sun 9/14

7:55 am-2:50 pm

1 stop11h 55m

$366

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 11/7

9:35 pm-9:35 am

Nonstop7h 00m

London Heathrow

Sun 11/9

6:15 am-1:15 pm

1 stop12h 00m

$372

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 11/12

11:20 pm-11:15 am

Nonstop6h 55m

London Heathrow

Fri 11/14

6:15 am-1:15 pm

1 stop12h 00m

$373

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 10/16

10:05 pm-5:45 pm

1 stop14h 40m

London Heathrow

Wed 10/22

11:20 am-8:05 pm

1 stop13h 45m

$378

NewarkLondon

EWR - LHR

EWRLHR

Newark

Mon 9/15

10:50 pm-6:50 pm

1 stop15h 00m

London Heathrow

Wed 9/24

7:50 pm-3:20 pm

1 stop24h 30m

$384

Flights are sorted by cheapest round-trip 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?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Connecticut, with most prices found around $713. If you’re not able to fly to London Heathrow Airport in November, then October is your next best option. Flight prices from Connecticut to London Heathrow Airport during October average around $754.

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

Best Price Found

$152

Fastest flight time

6h 50m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Connecticut in the past 72 hours is $152. The best round-trip flight deal from Connecticut to London Heathrow Airport found on momondo in the last 72 hours is $265.
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 refresh 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.


Best airlines flying from Connecticut to London Heathrow Airport

Compare and see reviews for airlines that fly from Connecticut to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $16Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Aer LingusPriceFrom $569Free CancellationRating
7.1
1,197 reviews
Search Aer Lingus flights
DeltaPriceFrom $634Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $684Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $704Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near London?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Connecticut.

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

Flights from Connecticut to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Connecticut to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to London from Connecticut. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Sun 8/10
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