$210+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
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 junio 12, 2025.
Round-trip from | $512 (Air Canada) |
|---|---|
One-way from | $212 (Mytrip) |
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 junio 12, 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 junio 12, 2025.
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 6/11. 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.
This Gotogate deal was found by Cheapflights users on 6/12. 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.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/12. 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.
This FlightHub deal was found by Cheapflights users on 6/12. 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.
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Europa deal was found by Cheapflights users on 6/11. 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 Air Europa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
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 junio 12, 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
JFK - LHR
JFKLHR
New York John F Kennedy Intl
mar. 8/19
9:00 am-6:30 am
1 stop16h 30m
London Heathrow
mar. 8/26
6:50 am-3:15 pm
2 stops13h 25m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
mar. 8/26
3:30 pm-6:30 am
1 stop10h 00m
London Heathrow
mar. 9/2
2:05 pm-7:37 pm
1 stop10h 32m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
lun. 7/21
9:30 pm-10:00 am
Nonstop7h 30m
London Heathrow
mié. 7/30
11:30 am-8:55 pm
1 stop14h 25m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
dom. 7/27
4:45 pm-10:50 am
1 stop13h 05m
London Gatwick
jue. 8/7
3:05 pm-6:05 pm
Nonstop8h 00m
New YorkLondon
LGA - LGW
LGALGW
New York LaGuardia
mar. 7/8
4:40 pm-9:15 pm
2 stops23h 35m
London Gatwick
mar. 7/15
9:35 pm-10:33 pm
2 stops29h 58m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
mié. 8/27
8:25 pm-8:20 pm
1 stop18h 55m
London Heathrow
dom. 9/14
9:25 pm-7:10 pm
1 stop26h 45m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
mié. 9/10
4:15 pm-5:55 pm
1 stop20h 40m
London Gatwick
mar. 9/30
6:35 pm-12:50 pm
1 stop23h 15m
New YorkLondon
JFK - LTN
JFKLTN
New York John F Kennedy Intl
mié. 7/30
4:55 pm-8:10 am
1 stop10h 15m
London Luton
jue. 8/7
12:35 pm-7:20 pm
1 stop11h 45m
New YorkLondon
JFK - LGW
JFKLGW
New York John F Kennedy Intl
lun. 9/1
12:40 am-4:25 pm
1 stop10h 45m
London Gatwick
mar. 9/16
5:25 pm-11:00 pm
1 stop34h 35m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
mié. 8/27
3:30 pm-6:30 am
1 stop10h 00m
London Heathrow
jue. 9/4
9:30 am-6:30 pm
1 stop14h 00m
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, 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 $1,108). 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 junio 12, 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 junio 12, 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.
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Boarding
Food
Crew
Comfort
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Overall
Boarding
Food
Crew
Comfort
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.
Traveling to a place near Connecticut?
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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.
Top 4 airlines flying from Connecticut to London
Discover the top 4 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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$569 | Average$870 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$634 | Average$833 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$682 | Average$957 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$713 | Average$935 | FlexibilityNo cancel fee | On-time71% |