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$174+ Cheap flights from Connecticut to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Connecticut to London

Cheapest flights from Connecticut to London
Explore the most affordable flight options available from Connecticut to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Booking.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:45 pmEWR - LHR
1 stop9h 20mAer Lingus
Wed 1/288:50 amLHR - EWR
1 stop12h 25mAer Lingus
Deal found 12/16$493
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:51 pmEWR - LHR
1 stop18h 44mUnited Airlines
Mon 1/1212:05 pmLHR - EWR
1 stop13h 25mUnited Airlines
Deal found 12/16$497
This CheapOair deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:00 pmEWR - LHR
1 stop26h 35mMultiple Airlines
Sun 1/118:05 pmLHR - EWR
1 stop22h 50mMultiple Airlines
Deal found 12/17$498
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:29 pmEWR - LHR
1 stop30h 11mUnited Airlines
Sat 1/109:00 amLHR - EWR
1 stop32h 18mUnited Airlines
Deal found 12/17$501
This Mytrip deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:20 pmLGA - LHR
1 stop10h 50mMultiple Airlines
Sat 1/1011:10 amLHR - LGA
1 stop12h 53mMultiple Airlines
Deal found 12/16$502
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:15 amJFK - LHR
Nonstop6h 55mBritish Airways
Tue 2/106:00 pmLHR - JFK
Nonstop8h 05mBritish Airways
Deal found 12/16$503
This JetBlue deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:10 pmJFK - LHR
Nonstop7h 20mJetBlue
Tue 1/137:25 amLHR - JFK
Nonstop8h 21mJetBlue
Deal found 12/17$504
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmEWR - LHR
Nonstop7h 20mUnited Airlines
Wed 1/286:50 amLHR - EWR
1 stop11h 40mUnited Airlines
Deal found 12/16$505
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amEWR - LHR
1 stop24h 15mUnited Airlines
Sat 1/109:00 amLHR - EWR
1 stop32h 18mUnited Airlines
Deal found 12/16$506
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:00 pmEWR - LHR
1 stop26h 35mUnited Airlines
Sat 1/319:00 amLHR - EWR
2 stops17h 44mUnited Airlines
Deal found 12/17$507
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:05 amJFK - LHR
1 stop16h 05mUnited Airlines
Fri 1/96:50 amLHR - JFK
1 stop11h 30mUnited Airlines
Deal found 12/16$508
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:00 pmJFK - LHR
Nonstop7h 15mDelta
Wed 1/146:30 amLHR - JFK
1 stop11h 50mDelta
Deal found 12/17$509

Find flight deals from Connecticut to London

Keep the following information in mind while searching for Connecticut to London flight deals. Data was last updated December 18, 2025.

Round-trip from

$492
(Kiwi.com)

One-way from

$174
(Norse Atlantic Airways)

Popular in

June

Cheapest in

January

Average price

$1,175
From Connecticut to London (LON)
Search Deals
One-way flight from Connecticut to London (LON)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Connecticut to London 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Connecticut to London that are best for you.

Fly from

Connecticut

Fly to

London

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 1/9

5:30 pm-2:35 pm

2 stops16h 05m

London Heathrow

Sun 1/11

6:40 am-1:25 pm

1 stop11h 45m

$497

NewarkLondon

EWR - LGW

EWRLGW

Newark

Sat 1/31

1:35 am-8:40 pm

1 stop14h 05m

London Gatwick

Sun 2/8

10:40 am-10:10 pm

1 stop16h 30m

$502

NewarkLondon

EWR - LGW

EWRLGW

Newark

Wed 4/22

5:30 pm-9:45 am

1 stop11h 15m

London Gatwick

Wed 4/29

12:05 pm-7:55 pm

1 stop12h 50m

$503

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Wed 3/11

10:41 am-9:40 pm

Nonstop6h 59m

London Heathrow

Sat 3/21

8:05 am-12:29 pm

Nonstop8h 24m

$504

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sat 1/31

5:30 pm-6:20 pm

2 stops19h 50m

London Stansted

Sat 2/7

8:00 pm-4:09 pm

2 stops25h 09m

$504

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 4/2

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Tue 4/7

1:05 pm-3:55 pm

Nonstop7h 50m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Sat 1/31

9:10 pm-9:30 am

Nonstop7h 20m

London Heathrow

Sat 2/7

8:05 am-11:29 am

Nonstop8h 24m

$504

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Tue 3/17

10:14 pm-9:30 am

Nonstop7h 16m

London Heathrow

Wed 3/25

7:25 am-11:46 am

Nonstop8h 21m

$504

NewarkLondon

EWR - LHR

EWRLHR

Newark

Thu 1/15

9:10 am-9:20 pm

Nonstop7h 10m

London Heathrow

Tue 1/20

9:00 am-8:30 pm

1 stop16h 30m

$505

New YorkLondon

LGA - LGW

LGALGW

New York LaGuardia

Thu 1/15

6:30 am-10:00 am

1 stop22h 30m

London Gatwick

Thu 1/22

2:00 pm-5:58 pm

1 stop32h 58m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to London

Have a flexible travel schedule? Discover the best time to fly to London from Connecticut with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Connecticut to London

What is the cheapest month to book a flight from Connecticut to London?

Currently, October is the cheapest month in which you can book a flight from Connecticut to London (average of $16). Flying from Connecticut to London in January is currently the most expensive (average of $984). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CT to LON?

Find hourly flight availability from Connecticut to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Connecticut to London in the evening. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Connecticut to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Connecticut to London?

    For as low as $504, Scandinavian Airlines can have you in London from Connecticut in 6h 59m. Airlines will cover a distance of 3440 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Connecticut to London?

    While some choose either Newark - London Heathrow or New York John F Kennedy Intl - London Gatwick, New York John F Kennedy Intl - London Heathrow is the most popular route from Connecticut to London.

  • Can I find deals for flights from Connecticut to London that include hotel bookings?

    Yes. In addition to deals on Connecticut to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to London.

  • Can I find deals for business class flights from Connecticut to London?

    Yes. Cheapflights offers flight deals from Connecticut to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Connecticut to London?

    Currently, October is the cheapest month in which you can book a flight from Connecticut to London (average of $16). Flying from Connecticut to London in January is currently the most expensive (average of $984). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Connecticut to London

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Heathrow flights
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Top 5 airlines flying from Connecticut to London

Discover the top 5 airlines that operate flights from Connecticut to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$654FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$648Average$976FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$655Average$867FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$696Average$833FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$704Average$961FlexibilityNo cancel feeOn-time71%

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