Cheap flights from Connecticut to London from $284
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to London departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Delta flights from Connecticut to London Heathrow Airport
Our best Delta deals on Connecticut to London Heathrow Airport flight tickets
United Airlines flights from Connecticut to London Heathrow Airport
Our best United Airlines deals on Connecticut to London Heathrow Airport flight tickets
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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
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Thu 11/19
6:00 am-6:30 am
2 stops19h 30m
London Heathrow
Fri 11/20
9:00 am-11:59 pm
2 stops19h 59m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Thu 11/12
5:02 pm-7:55 am
1 stop33h 53m
London Heathrow
Sun 11/15
6:50 am-6:42 pm
2 stops16h 52m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Sat 11/28
5:55 pm-8:05 am
1 stop9h 10m
London Heathrow
Sat 12/12
9:50 am-4:25 pm
1 stop11h 35m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Sat 12/5
6:00 am-7:10 am
2 stops44h 10m
London Heathrow
Tue 12/8
6:30 am-11:44 pm
2 stops22h 14m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Wed 12/2
6:00 am-7:10 am
2 stops20h 10m
London Heathrow
Tue 12/8
1:00 pm-7:17 pm
2 stops35h 17m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Thu 11/5
7:35 pm-12:00 pm
1 stop11h 25m
London Heathrow
Thu 11/19
3:40 pm-11:53 pm
1 stop13h 13m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Thu 11/12
5:28 pm-9:40 am
1 stop11h 12m
London Heathrow
Sun 11/15
11:45 am-12:22 am
1 stop17h 37m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Tue 11/3
6:00 am-9:40 pm
1 stop10h 40m
London Heathrow
Tue 11/10
12:20 pm-11:38 pm
1 stop16h 18m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Wed 12/9
6:00 am-9:40 pm
1 stop10h 40m
London Heathrow
Sat 12/19
8:05 am-11:57 pm
1 stop20h 52m
HartfordLondon
BDL Hartford Bradley Intl - LHR London Heathrow
BDLLHR
Hartford Bradley Intl
Sat 11/21
5:55 pm-9:05 am
1 stop10h 10m
London Heathrow
Sat 11/28
7:50 am-4:25 pm
1 stop13h 35m
See travel insights to London from
How to get the cheapest flight ticket from Connecticut to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest airline that flies from Connecticut to London Heathrow?
Air Canada, Virgin Atlantic, and Delta are the most popular carriers operating from Connecticut to London Heathrow
What airlines fly to London Heathrow Airport?
Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Connecticut according to our data. Aer Lingus is the first choice among our users, with 45% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
Cheap Connecticut to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Connecticut to London Heathrow Airport
Frequently asked questions about flying from Connecticut to London Heathrow Airport
When did momondo last update prices for flights from Connecticut to London Heathrow Airport?
Prices for flights from Connecticut to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Connecticut to London Heathrow Airport?
As of October 2026, there are 5 operators available to choose from for flights from Connecticut to London Heathrow Airport.
How old do you have to be to fly from Connecticut to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Connecticut to London Heathrow Airport
Compare and see reviews for airlines that fly from Connecticut to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $569 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $638 | Free Cancellation | Rating 7.1 3,049 reviews | |||
| PriceFrom $732 | Free Cancellation | Rating 7.3 1,817 reviews | |||
| PriceFrom $746 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $777 | Free Cancellation | Rating 7.0 12,145 reviews |
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Connecticut to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Connecticut.
Can I find flights from Connecticut to London with flexible booking policies on momondo?
Flights from Connecticut to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Connecticut to London?
Once you have performed a search for Connecticut to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Connecticut to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Connecticut. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.