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$142+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Connecticut to London

Keep the following information in mind while searching for Connecticut to London flight deals. Data was last updated September 15, 2025.

Round-trip from

$425
(Cheapflightsfares)

One-way from

$142
(CheapOair)

Popular in

June

Cheapest in

April

Average price

$827
From Connecticut to London (LON)
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One-way flight from Connecticut to London (LON)
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Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 11/1910:05 amJFK - STN
2 stops31h 35mMultiple Airlines
Mon 12/17:30 amSTN - JFK
2 stops34h 35mMultiple Airlines
Deal found 9/15$426
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:45 pmJFK - LGW
1 stop18h 35mMultiple Airlines
Tue 12/169:40 amLGW - JFK
2 stops17h 20mMultiple Airlines
Deal found 9/15$426
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:05 pmJFK - LHR
1 stop18h 55mTAP AIR PORTUGAL
Tue 9/3011:20 amLHR - JFK
1 stop13h 45mTAP AIR PORTUGAL
Deal found 9/15$427
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 11/1010:00 pmJFK - LGW
1 stop12h 45mTAP AIR PORTUGAL
Tue 11/1810:40 amLGW - JFK
1 stop14h 25mTAP AIR PORTUGAL
Deal found 9/15$427
This Ticket deal was found by Cheapflights users on 9/14. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:05 pmJFK - LHR
1 stop19h 50mTAP AIR PORTUGAL
Thu 11/206:30 pmLHR - JFK
1 stop30h 35mTAP AIR PORTUGAL
Deal found 9/14$428
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/1910:05 amJFK - LTN
2 stops28h 20mMultiple Airlines
Wed 11/268:05 pmLTN - JFK
2 stops25h 35mMultiple Airlines
Deal found 9/15$428
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 10/149:00 amJFK - STN
2 stops29h 25mMultiple Airlines
Tue 10/217:15 amSTN - JFK
2 stops19h 30mMultiple Airlines
Deal found 9/14$428
This Norse deal was found by Cheapflights users on 9/13. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:05 pmJFK - LGW
Nonstop6h 55mMultiple Airlines
Tue 11/44:35 pmLGW - JFK
1 stop34h 55mMultiple Airlines
Deal found 9/13$428
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 11/1010:00 pmJFK - LHR
1 stop18h 35mTAP AIR PORTUGAL
Tue 11/188:15 amLHR - JFK
1 stop16h 50mTAP AIR PORTUGAL
Deal found 9/15$429
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Thu 11/69:45 amJFK - LTN
2 stops25h 15mMultiple Airlines
Mon 11/106:00 amLTN - JFK
2 stops15h 09mMultiple Airlines
Deal found 9/14$429
This Norse Atlantic Airways deal was found by Cheapflights users on 9/13. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:20 pmJFK - LGW
Nonstop7h 00mNorse Atlantic UK
Thu 10/21:05 pmLGW - JFK
Nonstop7h 50mNorse Atlantic UK
Deal found 9/13$429
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 9/309:00 amJFK - STN
2 stops22h 40mMultiple Airlines
Tue 10/77:15 amSTN - JFK
2 stops19h 30mMultiple Airlines
Deal found 9/14$430

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 September 15, 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

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 1/29

11:45 pm-5:35 pm

1 stop12h 50m

London Stansted

Mon 2/2

8:40 am-10:00 pm

1 stop18h 20m

$432

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Thu 10/30

4:50 pm-9:50 am

2 stops13h 00m

London Stansted

Sat 11/8

9:45 pm-4:09 pm

2 stops23h 24m

$437

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 10/26

7:05 pm-6:00 am

Nonstop6h 55m

London Gatwick

Tue 11/4

4:35 pm-10:30 pm

1 stop34h 55m

$444

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Tue 9/30

9:00 am-7:25 pm

2 stops29h 25m

London Stansted

Wed 10/8

7:30 am-9:45 pm

2 stops19h 15m

$445

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sat 12/6

12:30 am-9:45 pm

1 stop16h 15m

London Stansted

Thu 12/11

3:35 pm-10:30 pm

1 stop35h 55m

$447

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/8

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Wed 10/22

1:05 pm-3:55 pm

Nonstop7h 50m

$455

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 10/12

12:30 pm-9:35 am

1 stop16h 05m

London Gatwick

Thu 10/16

12:10 pm-6:59 pm

1 stop11h 49m

$479

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Thu 9/25

2:50 pm-9:35 am

1 stop13h 45m

London Gatwick

Thu 10/23

12:10 pm-10:13 pm

1 stop15h 03m

$479

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 10/1

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Sat 10/11

1:05 pm-3:55 pm

Nonstop7h 50m

$479

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 10/5

2:50 pm-9:35 am

1 stop13h 45m

London Gatwick

Mon 10/13

12:10 pm-10:03 pm

1 stop14h 53m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, November is the cheapest month in which you can book a flight from Connecticut to London (average of $661). Flying from Connecticut to London in June is currently the most expensive (average of $1,097). 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 September 15, 2025.

When flying from Connecticut to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Connecticut to London?

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 $487, Norse Atlantic UK can have you in London from Connecticut in 6h 55m. 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 cheapest airlines to fly from Connecticut to London one-way?

    The cheapest airlines for a one-way flight from Connecticut to London are Norse Atlantic UK ($149), TAP AIR PORTUGAL ($188), and LEVEL ($195).

  • 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 City, 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, November is the cheapest month in which you can book a flight from Connecticut to London (average of $661). Flying from Connecticut to London in June is currently the most expensive (average of $1,097). 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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

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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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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$16Average$641FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$655Average$870FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$962FlexibilityNo cancel feeOn-time69%
DeltaCheapest$696Average$896FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$714Average$960FlexibilityNo cancel feeOn-time71%

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