HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$173+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — LON
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Connecticut to London with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 31, 2025.

Round-trip from

$482
(Gotogate)

One-way from

$173
(Booking.com)
From Connecticut to London (LON)
Search Deals
One-way flight from Connecticut to London (LON)
Search Deals

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 March 31, 2025.

This Gotogate deal was found by Cheapflights users on 3/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:25 pmJFK - LHR
1 stop10h 30mIcelandair
Tue 5/69:25 pmLHR - JFK
1 stop26h 45mIcelandair
Deal found 3/30$482
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/46:20 pmJFK - LGW
Nonstop7h 00mNorse Atlantic UK
Wed 5/71:05 pmLGW - JFK
Nonstop7h 50mNorse Atlantic UK
Deal found 3/30$483
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:10 pmJFK - LHR
1 stop16h 25mScandinavian Airlines
Sun 5/1110:20 amLHR - JFK
1 stop11h 40mScandinavian Airlines
Deal found 3/30$484
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Sat 4/266:20 pmJFK - LGW
Nonstop7h 00mMultiple Airlines
Sun 5/46:50 amLGW - JFK
1 stop21h 25mMultiple Airlines
Deal found 3/31$484
This Mytrip deal was found by Cheapflights users on 3/30. 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 5/1312:55 pmJFK - LTN
1 stop23h 10mMultiple Airlines
Tue 5/202:35 pmLTN - JFK
1 stop25h 50mMultiple Airlines
Deal found 3/30$486
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Sat 5/31:55 pmJFK - STN
1 stop27h 05mMultiple Airlines
Wed 5/711:20 amSTN - JFK
2 stops29h 05mMultiple Airlines
Deal found 3/30$486
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3011:10 pmJFK - LGW
1 stop10h 30mIcelandair
Tue 10/73:40 pmLGW - JFK
1 stop11h 30mIcelandair
Deal found 3/31$490
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:45 pmJFK - LHR
Nonstop7h 05mBritish Airways
Mon 5/57:05 pmLHR - JFK
Nonstop7h 55mBritish Airways
Deal found 3/30$497
This Norse deal was found by Cheapflights users on 3/31. 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 4/69:55 amLGA - LGW
1 stop19h 15mMultiple Airlines
Thu 4/242:00 pmLGW - LGA
1 stop32h 59mMultiple Airlines
Deal found 3/31$498
This Mytrip deal was found by Cheapflights users on 3/31. 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 3/3110:05 pmJFK - LHR
1 stop14h 40mTAP AIR PORTUGAL
Wed 5/711:20 amLHR - JFK
1 stop13h 45mTAP AIR PORTUGAL
Deal found 3/31$498
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Tue 4/293:35 pmLGA - LHR
1 stop9h 55mAir Canada
Tue 5/69:30 amLHR - LGA
1 stop10h 18mAir Canada
Deal found 3/30$501
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/612:15 amJFK - LHR
1 stop33h 00mMultiple Airlines
Mon 5/128:45 pmLHR - JFK
1 stop30h 30mMultiple Airlines
Deal found 3/31$507

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 March 31, 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 - LHR

JFKLHR

New York John F Kennedy Intl

Tue 4/29

8:25 pm-11:55 am

1 stop10h 30m

London Heathrow

Tue 5/6

9:25 pm-7:10 pm

1 stop26h 45m

$482

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 5/4

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Wed 5/7

1:05 pm-3:55 pm

Nonstop7h 50m

$483

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Fri 5/9

5:10 pm-2:35 pm

1 stop16h 25m

London Heathrow

Sun 5/11

10:20 am-5:00 pm

1 stop11h 40m

$484

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sat 4/26

6:20 pm-6:20 am

Nonstop7h 00m

London Gatwick

Sun 5/4

6:50 am-11:15 pm

1 stop21h 25m

$484

New YorkLondon

JFK - LTN

JFKLTN

New York John F Kennedy Intl

Tue 5/13

12:55 pm-5:05 pm

1 stop23h 10m

London Luton

Tue 5/20

2:35 pm-11:25 am

1 stop25h 50m

$486

New YorkLondon

JFK - STN

JFKSTN

New York John F Kennedy Intl

Sat 5/3

1:55 pm-10:00 pm

1 stop27h 05m

London Stansted

Wed 5/7

11:20 am-11:25 am

2 stops29h 05m

$486

New YorkLondon

JFK - LHR

JFKLHR

New York John F Kennedy Intl

Thu 4/17

7:30 pm-7:45 am

Nonstop7h 15m

London Heathrow

Thu 4/24

5:00 pm-7:55 pm

Nonstop7h 55m

$496

New YorkLondon

LGA - LHR

LGALHR

New York LaGuardia

Tue 4/29

3:35 pm-6:30 am

1 stop9h 55m

London Heathrow

Tue 5/6

9:30 am-2:48 pm

1 stop10h 18m

$501

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Sun 9/21

11:10 pm-2:40 pm

1 stop10h 30m

London Gatwick

Sun 9/28

3:40 pm-10:10 pm

1 stop11h 30m

$503

New YorkLondon

JFK - LGW

JFKLGW

New York John F Kennedy Intl

Wed 9/3

8:05 pm-8:10 am

Nonstop7h 05m

London Gatwick

Mon 9/8

3:05 pm-6:05 pm

Nonstop8h 00m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
1
2
3
...
6

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 $1,110). 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 March 31, 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated March 31, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and KLM from Connecticut to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
7.9
Good
277 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 ($173), Icelandair ($183), and A.P.G. ($247).

  • 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, 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 $1,110). 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 Connecticut?

Book flights to Connecticut if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Connecticut to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Newark to London City flights
Stewart to Stansted flights
Atlanta to Heathrow flights
Boston to Gatwick flights
Denver to Heathrow flights
LaGuardia to Gatwick flights
Miami to Heathrow flights
Reagan-National to Heathrow flights
Orlando to Heathrow flights
Dulles Intl to Gatwick flights
Boston to London City flights
Los Angeles to London City flights
John F Kennedy Intl to Stansted flights
Dulles Intl to London City flights
John F Kennedy Intl to Edinburgh flights
Hobby to Heathrow flights
Reagan-National to Gatwick flights
Baltimore to Gatwick flights
Philadelphia to Heathrow flights
George Bush Intcntl to Heathrow flights
Newark to Edinburgh flights
Sky Harbor Intl to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to London City flights
Boston to Stansted flights
O'Hare Intl to London City flights
Minneapolis to Heathrow flights
Los Angeles to Gatwick flights
Tampa to Heathrow flights
Portland to Heathrow flights
Seattle to Gatwick flights
John F Kennedy Intl to Luton flights
Charlotte to Heathrow flights
Orlando to Gatwick flights
Raleigh to Heathrow flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$569Average$860FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$634Average$837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$698Average$942FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$704Average$937FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$908Average$1,064FlexibilityNo cancel feeOn-time70%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.