Cheap flights from Connecticut to London from £155
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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
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 13 June 2025.
Find flight deals from Connecticut to London
Cheapest flights from Connecticut to LondonExplore 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 13 June 2025.
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 13 June 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Connecticut to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Tue 26/8
15:30-06:30
1 stop10h 00m
London Heathrow
Tue 2/9
14:05-19:37
1 stop10h 32m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Mon 21/7
21:30-10:00
Nonstop7h 30m
London Heathrow
Wed 30/7
15:20-22:40
1 stop12h 20m
New YorkLondon
JFK - STN
JFKSTN
New York John F Kennedy Intl
Wed 24/9
16:55-10:00
1 stop12h 05m
London Stansted
Tue 30/9
12:15-19:20
1 stop12h 05m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Sun 27/7
16:45-10:50
1 stop13h 05m
London Gatwick
Thu 7/8
15:05-18:05
Nonstop8h 00m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Wed 27/8
16:54-08:55
1 stop11h 01m
London Heathrow
Tue 9/9
09:55-15:25
1 stop10h 30m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Wed 10/9
16:15-17:55
1 stop20h 40m
London Gatwick
Wed 17/9
18:35-12:50
1 stop23h 15m
New YorkLondon
LGA - LGW
LGALGW
New York LaGuardia
Tue 8/7
16:40-21:15
2 stops23h 35m
London Gatwick
Tue 15/7
21:35-22:33
2 stops29h 58m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Sun 20/7
20:25-11:55
1 stop10h 30m
London Heathrow
Tue 29/7
21:25-19:10
1 stop26h 45m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
Mon 1/9
00:40-16:25
1 stop10h 45m
London Gatwick
Mon 8/9
17:25-17:45
1 stop29h 20m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Wed 27/8
10:15-06:30
1 stop15h 15m
London Heathrow
Wed 3/9
07:45-18:43
2 stops15h 58m
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.
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, January is the cheapest month in which you can book a flight from Connecticut to London (average of £112). Flying from Connecticut to London in August is currently the most expensive (average of £164). 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 13 June 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to London as you normally would.
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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.
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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).
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 13 June 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and Porter Airlines from Connecticut to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Comfort
Entertainment
Overall
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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Alternative routes for Connecticut to London
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How does Cheapflights help users find flights from Connecticut to London?
When you search for this flight from Connecticut to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Connecticut to London?
Cheapflights simply makes it quick and affordable to book flights from Connecticut to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Connecticut to London with no change fees?
Yes! Cheapflights helps users easily find flights from Connecticut to London with no change fees.
Can Cheapflights notify me if prices for flights from Connecticut to London become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Connecticut today and book when prices fit your budget.