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Cheap flights from Connecticut to the United Kingdom from $174

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 the United Kingdom departing on 5/13. 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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0 bags

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Find the cheapest flights from Connecticut to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
5:55 pm - 6:40 pm
EWR
-
LHR
19h 45m1 stop
Austrian Airlines Logo
6:00 am - 1:55 pm
LHR
-
EWR
12h 55m1 stop
$492Austrian Airlines
Tue, Jan 13 - Tue, Jan 20
TAP AIR PORTUGAL Logo
11:55 pm - 8:20 am
EWR
-
LGW
27h 25m2 stops
TAP AIR PORTUGAL Logo
10:45 am - 10:00 pm
LGW
-
EWR
16h 15m1 stop
$492TAP AIR PORTUGAL
Fri, Jan 16 - Fri, Jan 23
Aer Lingus Logo
5:45 pm - 8:05 am
EWR
-
LHR
9h 20m1 stop
Aer Lingus Logo
7:50 am - 4:15 pm
LHR
-
EWR
13h 25m1 stop
$493Aer Lingus
Fri, Jan 9 - Mon, Feb 2
Icelandair Logo
7:35 pm - 10:50 am
EWR
-
LHR
10h 15m1 stop
Icelandair Logo
12:15 pm - 6:25 pm
LHR
-
EWR
11h 10m1 stop
$494Icelandair
Sun, Jan 11 - Fri, Jan 16
Icelandair Logo
7:35 pm - 10:55 am
EWR
-
LGW
10h 20m1 stop
Icelandair Logo
11:55 am - 6:25 pm
LGW
-
EWR
11h 30m1 stop
$494Icelandair
Tue, Jan 27 - Tue, Feb 3
SWISS Logo
10:00 pm - 5:50 pm
EWR
-
LGW
14h 50m1 stop
SWISS Logo
6:40 pm - 1:55 pm
LGW
-
EWR
24h 15m1 stop
$495SWISS
Thu, Jan 15 - Thu, Jan 22
Multiple Airlines Logo
3:30 pm - 2:30 pm
EWR
-
LGW
18h 00m3 stops
Multiple Airlines Logo
9:40 am - 8:30 pm
LGW
-
EWR
15h 50m2 stops
$497Multiple Airlines
Wed, Feb 11 - Mon, Feb 16
Multiple Airlines Logo
6:05 pm - 5:40 pm
EWR
-
LCY
18h 35m1 stop
Multiple Airlines Logo
5:40 pm - 1:55 pm
LCY
-
EWR
25h 15m1 stop
$499Multiple Airlines
Mon, Feb 23 - Wed, Feb 25
SWISS Logo
10:00 pm - 5:50 pm
EWR
-
LGW
14h 50m1 stop
SWISS Logo
6:40 pm - 8:30 pm
LGW
-
EWR
30h 50m1 stop
$500SWISS
Thu, Jan 15 - Thu, Jan 22
Aer Lingus Logo
5:45 pm - 8:05 am
EWR
-
LHR
9h 20m1 stop
Aer Lingus Logo
7:50 am - 4:15 pm
LHR
-
EWR
13h 25m1 stop
$501Aer Lingus
Sat, Jan 24 - Tue, Jan 27

Aer Lingus flights from Connecticut to United Kingdom

Our best Aer Lingus deals on Connecticut to United Kingdom flight tickets
Aer Lingus
Jan 9
EWR5:45 pmNewark
9h 20m
1 stop
LHR8:05 amLondon Heathrow
Feb 2
LHR7:50 amLondon Heathrow
13h 25m
1 stop
EWR4:15 pmNewark
$493
Find similar
Aer Lingus
Jan 24
EWR5:45 pmNewark
9h 20m
1 stop
LHR8:05 amLondon Heathrow
Jan 27
LHR7:50 amLondon Heathrow
13h 25m
1 stop
EWR4:15 pmNewark
$501
Find similar
Aer Lingus
Jan 9
EWR5:45 pmNewark
9h 20m
1 stop
LHR8:05 amLondon Heathrow
Jan 17
LHR9:50 amLondon Heathrow
11h 25m
1 stop
EWR4:15 pmNewark
$502
Find similar

Icelandair flights from Connecticut to United Kingdom

Our best Icelandair deals on Connecticut to United Kingdom flight tickets
Icelandair
Jan 11
EWR7:35 pmNewark
10h 15m
1 stop
LHR10:50 amLondon Heathrow
Jan 16
LHR12:15 pmLondon Heathrow
11h 10m
1 stop
EWR6:25 pmNewark
$494
Find similar
Icelandair
Mar 1
EWR7:35 pmNewark
10h 15m
1 stop
LHR10:50 amLondon Heathrow
Mar 13
LHR12:15 pmLondon Heathrow
11h 10m
1 stop
EWR7:25 pmNewark
$495
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Connecticut to United Kingdom 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Connecticut to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkLondon

EWR - LHR

EWRLHR

Newark

Tue 1/13

5:55 pm-6:40 pm

1 stop19h 45m

London Heathrow

Tue 1/20

6:00 am-1:55 pm

1 stop12h 55m

$492

NewarkLondon

EWR - LGW

EWRLGW

Newark

Fri 1/16

11:55 pm-8:20 am

2 stops27h 25m

London Gatwick

Fri 1/23

10:45 am-10:00 pm

1 stop16h 15m

$492

NewarkLondon

EWR - LHR

EWRLHR

Newark

Fri 1/9

5:45 pm-8:05 am

1 stop9h 20m

London Heathrow

Mon 2/2

7:50 am-4:15 pm

1 stop13h 25m

$493

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sun 1/11

7:35 pm-10:50 am

1 stop10h 15m

London Heathrow

Fri 1/16

12:15 pm-6:25 pm

1 stop11h 10m

$494

NewarkLondon

EWR - LGW

EWRLGW

Newark

Tue 1/27

7:35 pm-10:55 am

1 stop10h 20m

London Gatwick

Tue 2/3

11:55 am-6:25 pm

1 stop11h 30m

$494

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 1/15

10:00 pm-5:50 pm

1 stop14h 50m

London Gatwick

Thu 1/22

6:40 pm-1:55 pm

1 stop24h 15m

$495

NewarkLondon

EWR - LGW

EWRLGW

Newark

Wed 2/11

3:30 pm-2:30 pm

3 stops18h 00m

London Gatwick

Mon 2/16

9:40 am-8:30 pm

2 stops15h 50m

$497

NewarkLondon

EWR - LCY

EWRLCY

Newark

Mon 2/23

6:05 pm-5:40 pm

1 stop18h 35m

London City

Wed 2/25

5:40 pm-1:55 pm

1 stop25h 15m

$499

NewarkLondon

EWR - LGW

EWRLGW

Newark

Thu 1/15

10:00 pm-5:50 pm

1 stop14h 50m

London Gatwick

Thu 1/22

6:40 pm-8:30 pm

1 stop30h 50m

$500

NewarkLondon

EWR - LHR

EWRLHR

Newark

Sat 1/24

5:45 pm-8:05 am

1 stop9h 20m

London Heathrow

Tue 1/27

7:50 am-4:15 pm

1 stop13h 25m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Connecticut to United Kingdom

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 month to fly to United Kingdom?

In general, January is the cheapest month to fly from Connecticut to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $741. If you aren’t able to travel to United Kingdom during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $749.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Connecticut to United Kingdom is on a Monday when prices can be found for as low as $765. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $907.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from Connecticut to United Kingdom at noon for as low as $832. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $871. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Connecticut to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Connecticut to United Kingdom

Fastest flight time

6h 30m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The fastest flight from Connecticut to United Kingdom takes 6h 30m
Direct flights go from Connecticut to United Kingdom every day.
There are 1,286 airports in United Kingdom. From Connecticut there are direct flights to London Heathrow (LHR).
Search flight deals

  • When did momondo last update prices for flights from Connecticut to United Kingdom?

    Prices for flights from Connecticut to United Kingdom are updated daily.

  • How many operators does momondo search for flights from Connecticut to United Kingdom?

  • How old do you have to be to fly from Connecticut to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Connecticut to United Kingdom

Compare and see reviews for airlines that fly from Connecticut to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $16Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Aer LingusPriceFrom $631Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $648Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
DeltaPriceFrom $696Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $704Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
British AirwaysPriceFrom $874Free CancellationRating
6.7
7,586 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut to United Kingdom?

It is quick and easy to find Connecticut to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

Can I find flights from Connecticut to United Kingdom with flexible booking policies on momondo?

All flight searches from Connecticut to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Connecticut to United Kingdom?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from Connecticut.

I’m not ready to book a flight from Connecticut to United Kingdom right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Connecticut to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $355
Flights to Manchesterfrom $363
Flights to Edinburghfrom $383
Flights to Birminghamfrom $387
Flights to Glasgowfrom $390
Flights to Newcastle upon Tynefrom $419
Flights to Belfastfrom $526
Flights to Bristolfrom $428
Flights to Invernessfrom $401
Flights to Liverpoolfrom $438
Flights to Aberdeenfrom $511
Flights to Leedsfrom $433