What is the cheapest airline that flies from Connecticut to London Heathrow?

Virgin Atlantic, British Airways, and United Airlines are the most popular carriers operating from Connecticut to London Heathrow

What airlines fly to London Heathrow Airport?

Aer Lingus, JetBlue and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Connecticut according to our data. Aer Lingus is the first choice among our users, with 33% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from Connecticut to London Heathrow Airport on average per week?

The number of flights available between Connecticut and London Heathrow Airport is 1,004 per week as of June 2026. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.

How long does it take to fly to London Heathrow Airport?

On average, it takes 9h to fly from Connecticut to London Heathrow Airport if you fly out of Hartford (the most popular airport in Connecticut) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of New Haven and into London Heathrow Airport, then the flight time is around 24h 10m.

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

As of June 2026, there are 21 operators available to choose from 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.

$158 Cheap Flights from Connecticut to London Heathrow Airport in 2026

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Find the cheapest flights from Connecticut to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:12 pm - 1:15 pm

BDL

LHR

13h 03m

1 stop

6:30 am - 6:05 pm

LHR

BDL

16h 35m

2 stops

$185Virgin Atlantic

Sun, Aug 9 - Wed, Aug 19

1:54 pm - 1:15 pm

BDL

LHR

18h 21m

1 stop

1:25 pm - 11:58 pm

LHR

BDL

15h 33m

1 stop

$190Virgin Atlantic

Sun, Aug 9 - Wed, Aug 19

10:05 pm - 6:50 pm

JFK

LHR

15h 45m

1 stop

8:00 am - 8:05 pm

LHR

JFK

17h 05m

1 stop

$627TAP AIR PORTUGAL

Fri, Oct 9 - Fri, Oct 16

7:25 pm - 10:50 am

JFK

LHR

10h 25m

1 stop

12:15 pm - 6:00 pm

LHR

JFK

10h 45m

1 stop

$628Icelandair

Tue, Nov 3 - Sun, Nov 15

11:00 pm - 5:30 pm

JFK

LHR

14h 30m

1 stop

6:00 am - 8:05 pm

LHR

JFK

19h 05m

1 stop

$629TAP AIR PORTUGAL

Mon, Oct 26 - Wed, Nov 18

5:10 pm - 10:25 am

LGA

LHR

12h 15m

1 stop

5:15 pm - 8:38 am

LHR

LGA

20h 23m

1 stop

$629British Airways

Thu, Nov 5 - Thu, Nov 12

11:10 pm - 11:55 am

JFK

LHR

31h 45m

1 stop

1:05 pm - 7:20 pm

LHR

JFK

11h 15m

1 stop

$630Icelandair

Sun, Aug 30 - Fri, Sep 11

4:55 pm - 10:15 am

LGA

LHR

12h 20m

1 stop

5:15 pm - 9:00 am

LHR

LGA

19h 45m

1 stop

$630British Airways

Tue, Oct 20 - Sun, Oct 25

8:30 pm - 11:55 am

JFK

LHR

10h 25m

1 stop

10:30 am - 10:30 pm

LHR

JFK

17h 00m

1 stop

$634Multiple Airlines

Sat, Sep 26 - Thu, Oct 1

7:55 am - 10:00 am

LGA

LHR

21h 05m

2 stops

7:40 am - 6:10 pm

LHR

LGA

15h 30m

2 stops

$665Multiple Airlines

Sat, Aug 15 - Sat, Aug 29

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Delta flights from Connecticut to London Heathrow Airport

Our best Delta deals on Connecticut to London Heathrow Airport flight tickets

Delta

Aug 14

EWR3:10 pmNewark

10h 35m

1 stop

LHR6:45 amLondon Heathrow

Aug 20

LHR8:55 amLondon Heathrow

10h 50m

1 stop

EWR2:45 pmNewark

$794

Delta

Aug 14

EWR3:10 pmNewark

10h 35m

1 stop

LHR6:45 amLondon Heathrow

Aug 21

LHR3:20 pmLondon Heathrow

11h 40m

1 stop

EWR10:00 pmNewark

$795

Delta

Jul 4

JFK8:15 amNew York John F Kennedy Intl

6h 55m

LHR8:10 pmLondon Heathrow

Aug 31

LHR11:30 amLondon Heathrow

16h 10m

1 stop

JFK10:40 pmNew York John F Kennedy Intl

$821

Virgin Atlantic flights from Connecticut to London Heathrow Airport

Our best Virgin Atlantic deals on Connecticut to London Heathrow Airport flight tickets

Virgin Atlantic

Aug 9

BDL7:12 pmHartford Bradley Intl

13h 03m

1 stop

LHR1:15 pmLondon Heathrow

Aug 19

LHR6:30 amLondon Heathrow

16h 35m

2 stops

BDL6:05 pmHartford Bradley Intl

$185

Virgin Atlantic

Aug 9

BDL1:54 pmHartford Bradley Intl

18h 21m

1 stop

LHR1:15 pmLondon Heathrow

Aug 19

LHR1:25 pmLondon Heathrow

15h 33m

1 stop

BDL11:58 pmHartford Bradley Intl

$190

Virgin Atlantic

Oct 25

BDL11:50 amHartford Bradley Intl

19h 50m

1 stop

LHR11:40 amLondon Heathrow

Nov 4

LHR6:30 amLondon Heathrow

16h 30m

2 stops

BDL6:00 pmHartford Bradley Intl

$430

momondo Fare Finder

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 round-trip

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 8/9

7:12 pm-1:15 pm

1 stop13h 03m

London Heathrow

Wed 8/19

6:30 am-6:05 pm

2 stops16h 35m

$185

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 8/9

1:54 pm-1:15 pm

1 stop18h 21m

London Heathrow

Wed 8/19

1:25 pm-11:58 pm

1 stop15h 33m

$190

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 10/9

10:05 pm-6:50 pm

1 stop15h 45m

London Heathrow

Fri 10/16

8:00 am-8:05 pm

1 stop17h 05m

$627

Quickest round-trip

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 11/3

7:25 pm-10:50 am

1 stop10h 25m

London Heathrow

Sun 11/15

12:15 pm-6:00 pm

1 stop10h 45m

$628

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Mon 10/26

11:00 pm-5:30 pm

1 stop14h 30m

London Heathrow

Wed 11/18

6:00 am-8:05 pm

1 stop19h 05m

$629

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Thu 11/5

5:10 pm-10:25 am

1 stop12h 15m

London Heathrow

Thu 11/12

5:15 pm-8:38 am

1 stop20h 23m

$629

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sun 8/30

11:10 pm-11:55 am

1 stop31h 45m

London Heathrow

Fri 9/11

1:05 pm-7:20 pm

1 stop11h 15m

$630

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 10/20

4:55 pm-10:15 am

1 stop12h 20m

London Heathrow

Sun 10/25

5:15 pm-9:00 am

1 stop19h 45m

$630

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 9/26

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Thu 10/1

10:30 am-10:30 pm

1 stop17h 00m

$634

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Sat 8/15

7:55 am-10:00 am

2 stops21h 05m

London Heathrow

Sat 8/29

7:40 am-6:10 pm

2 stops15h 30m

$665

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Connecticut, with most prices found around $16. If you’re not able to fly to London Heathrow Airport in October, then April is your next best option. Flight prices from Connecticut to London Heathrow Airport during April average around $569.

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.

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Frequently asked questions about flying from Connecticut to London Heathrow Airport

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?
As of June 2026, there are 21 operators available to choose from 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
JetBlue	PriceFrom $16	Free Cancellation	Rating 7.1 3,013 reviews	Search JetBlue flights
United Airlines	PriceFrom $627	Free Cancellation	Rating 7.4 9,898 reviews	Search United Airlines flights
American Airlines	PriceFrom $629	Free Cancellation	Rating 7.1 11,773 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $684	Free Cancellation	Rating 7.3 1,629 reviews	Search Aer Lingus flights

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Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Stratford-upon-Avon

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

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.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $162

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Flights to London Luton Airportfrom $491

Flights to Glasgow Intl Airportfrom $145

Flights to Belfast Intl Airportfrom $330

Flights to London Southend Airportfrom $678

Flights to Belfast City Airportfrom $330

Cheap flights from Connecticut to London from $185

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to London departing on 8/9. 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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Delta flights from Connecticut to London Heathrow Airport

Our best Delta deals on Connecticut to London Heathrow Airport flight tickets

Virgin Atlantic flights from Connecticut to London Heathrow Airport

Our best Virgin Atlantic deals on Connecticut to London Heathrow Airport flight tickets

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Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.

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How to get the cheapest flight ticket from Connecticut to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest airline that flies from Connecticut to London Heathrow?

What airlines fly to London Heathrow Airport?

How many flights depart from Connecticut to London Heathrow Airport on average per week?

How long does it take to fly to London Heathrow Airport?

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

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Frequently asked questions about flying from Connecticut to London Heathrow Airport

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

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Why use momondo?

An easier way to manage your London Heathrow Airport trip

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