Cheap flights from Connecticut to London from $148
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 10/14. 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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SWISS flights from Connecticut to London Heathrow Airport
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Iberia flights from Connecticut to London Heathrow Airport
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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?
Icelandair, TAP AIR PORTUGAL, and Air Canada 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 37% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Connecticut to London Heathrow Airport on average per week?
The number of flights available between Connecticut and London Heathrow Airport is 1,144 per week as of June 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.
How long does it take to fly to London Heathrow Airport?
On average, it takes 8h 35m to fly from Connecticut to London Heathrow Airport if you fly out of Hartford (the most popular airport in Connecticut) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of New Haven and into London Heathrow Airport, then the flight time is around 13h 35m.
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
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 June 2025, there are 21 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 7.1 1,120 reviews | |||
| PriceFrom $634 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $682 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $704 | Free Cancellation | Rating 7.2 10,000 reviews |
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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.