Cheap flights from Connecticut to London Heathrow Airport from £129
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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Connecticut to Heathrow
Keep the following information in mind while searching for Connecticut to Heathrow flight deals. Data was last updated 1 July 2025.
Round-trip from | £359 |
---|---|
One-way from | £129 |
Find flight deals from Connecticut to Heathrow
Cheapest flights from Connecticut to HeathrowExplore the most affordable flight options available from Connecticut to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Explore the most affordable flight options available from Connecticut to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Connecticut to Heathrow 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 1 July 2025.
Use the filters below to find and compare flights from Connecticut to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Wed 6/8
19:10-10:00
1 stop9h 50m
London Heathrow
Wed 27/8
09:30-14:45
1 stop10h 15m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Thu 14/8
20:25-11:55
1 stop10h 30m
London Heathrow
Thu 28/8
13:05-22:10
1 stop14h 05m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Mon 3/11
10:15-22:10
Nonstop6h 55m
London Heathrow
Mon 17/11
08:25-22:00
1 stop18h 35m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Sun 17/8
15:00-06:45
1 stop10h 45m
London Heathrow
Mon 25/8
09:40-16:30
1 stop11h 50m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Sun 20/7
23:25-11:25
Nonstop7h 00m
London Heathrow
Sun 14/9
12:55-16:00
Nonstop8h 05m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Fri 19/9
09:45-21:40
Nonstop6h 55m
London Heathrow
Fri 26/9
07:45-14:45
1 stop12h 00m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Wed 20/8
19:29-07:45
Nonstop7h 16m
London Heathrow
Mon 1/9
17:00-19:55
Nonstop7h 55m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Wed 10/9
09:00-09:35
1 stop19h 35m
London Heathrow
Mon 15/9
08:40-16:35
1 stop12h 55m
New YorkLondon
JFK - LHR
JFKLHR
New York John F Kennedy Intl
Tue 12/8
18:29-09:05
1 stop9h 36m
London Heathrow
Sat 23/8
07:40-13:25
1 stop10h 45m
New YorkLondon
LGA - LHR
LGALHR
New York LaGuardia
Thu 21/8
19:29-06:55
1 stop30h 26m
London Heathrow
Thu 28/8
09:30-08:02
1 stop27h 32m
Best time to book a flight from Connecticut to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Connecticut with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Connecticut to London Heathrow Airport
What is the cheapest month to book a flight from Connecticut to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Connecticut to London Heathrow Airport (average of £112). Flying from Connecticut to London Heathrow Airport 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 LHR?
Find hourly flight availability from Connecticut to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 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 Heathrow Airport as you normally would.
How much does it cost for a return flight from Connecticut to London Heathrow Airport?
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 1 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from Connecticut to London Heathrow Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Overall
Entertainment
Comfort
Food
Crew
Boarding
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Connecticut to Heathrow. 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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How does Cheapflights help users find flights from Connecticut to Heathrow?
Cheapflights makes it easy to find Connecticut to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Connecticut to Heathrow?
Millions of users choose and trust Cheapflights to book the best flight deals from Connecticut to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Connecticut to Heathrow with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Connecticut to Heathrow, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Connecticut to Heathrow become cheaper?
Of course! You can now track prices for flights from Connecticut to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.