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Cheap flights from Connecticut to London from £271

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 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
16:55 - 08:40
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
09:20 - 22:25
SOU
-
JFK
18h 05m
1 stop
£596Aer Lingus
Mon, 25 May - Tue, 9 Jun
Aer Lingus Logo
16:55 - 08:40
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
09:20 - 22:25
SOU
-
JFK
18h 05m
1 stop
£616Aer Lingus
Mon, 25 May - Tue, 9 Jun
Multiple Airlines Logo
16:00 - 19:30
LGA
-
SOU
22h 30m
2 stops
Multiple Airlines Logo
20:00 - 15:46
SOU
-
LGA
24h 46m
2 stops
£634Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
11:00 - 19:30
EWR
-
SOU
27h 30m
3 stops
Multiple Airlines Logo
18:25 - 19:05
SOU
-
EWR
29h 40m
3 stops
£652Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Aer Lingus Logo
23:55 - 19:30
JFK
-
SOU
14h 35m
1 stop
Aer Lingus Logo
09:20 - 22:25
SOU
-
JFK
18h 05m
1 stop
£671Aer Lingus
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
06:59 - 17:45
JFK
-
SOU
29h 46m
3 stops
Multiple Airlines Logo
20:00 - 20:05
SOU
-
JFK
29h 05m
2 stops
£674Multiple Airlines
Mon, 25 May - Tue, 9 Jun
Multiple Airlines Logo
20:25 - 19:30
EWR
-
SOU
18h 05m
2 stops
Multiple Airlines Logo
12:20 - 19:05
SOU
-
EWR
35h 45m
3 stops
£674Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
Multiple Airlines Logo
06:59 - 19:30
JFK
-
SOU
31h 31m
2 stops
Multiple Airlines Logo
20:00 - 20:05
SOU
-
JFK
29h 05m
2 stops
£677Multiple Airlines
Mon, 25 May - Tue, 9 Jun
KLM Logo
08:00 - 08:45
BDL
-
SOU
19h 45m
2 stops
KLM Logo
09:05 - 23:36
SOU
-
BDL
19h 31m
2 stops
£795KLM
Sat, 19 Sep - Thu, 24 Sep
Delta Logo
06:00 - 16:50
BDL
-
SOU
29h 50m
2 stops
Delta Logo
17:20 - 16:12
SOU
-
BDL
27h 52m
2 stops
£1,032Delta
Sun, 31 May - Mon, 8 Jun

KLM flights from Connecticut to Southampton

Our best KLM deals on Connecticut to Southampton flight tickets
KLM
19 Sept
BDL08:00Hartford Bradley Intl
19h 45m
2 stops
SOU08:45Southampton Eastleigh
24 Sept
SOU09:05Southampton Eastleigh
19h 31m
2 stops
BDL23:36Hartford Bradley Intl
£795
KLM
19 Aug
JFK21:15New York John F Kennedy Intl
30h 30m
1 stop
SOU08:45Southampton Eastleigh
30 Aug
SOU17:30Southampton Eastleigh
23h 59m
1 stop
JFK12:29New York John F Kennedy Intl
£807
KLM
19 Sept
JFK14:00New York John F Kennedy Intl
13h 45m
2 stops
SOU08:45Southampton Eastleigh
30 Sept
SOU09:05Southampton Eastleigh
32h 28m
1 stop
JFK12:33New York John F Kennedy Intl
£810

Delta flights from Connecticut to Southampton

Our best Delta deals on Connecticut to Southampton flight tickets
Delta
4 Aug
JFK16:40New York John F Kennedy Intl
11h 05m
1 stop
SOU08:45Southampton Eastleigh
2 Sept
SOU17:20Southampton Eastleigh
24h 12m
1 stop
JFK12:32New York John F Kennedy Intl
£770
Delta
4 Aug
JFK09:50New York John F Kennedy Intl
17h 55m
2 stops
SOU08:45Southampton Eastleigh
2 Sept
SOU17:20Southampton Eastleigh
24h 12m
1 stop
JFK12:32New York John F Kennedy Intl
£773
Delta
16 Aug
EWR18:59Newark
32h 46m
2 stops
SOU08:45Southampton Eastleigh
24 Aug
SOU18:05Southampton Eastleigh
30h 54m
2 stops
EWR19:59Newark
£780

momondo Fare Finder

 
Customise your flight search to find flights from Connecticut to Southampton 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 279,928 searches. Data last updated 14 May 2026.
Use the filters below to find and compare flights from Connecticut to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 25/5

16:55-08:40

1 stop10h 45m

Southampton Eastleigh

Tue 9/6

09:20-22:25

1 stop18h 05m

£596

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 25/5

16:55-08:40

1 stop10h 45m

Southampton Eastleigh

Tue 9/6

09:20-22:25

1 stop18h 05m

£616

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Tue 9/6

16:00-19:30

2 stops22h 30m

Southampton Eastleigh

Mon 15/6

20:00-15:46

2 stops24h 46m

£634

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 9/6

11:00-19:30

3 stops27h 30m

Southampton Eastleigh

Mon 15/6

18:25-19:05

3 stops29h 40m

£652

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 9/6

23:55-19:30

1 stop14h 35m

Southampton Eastleigh

Mon 15/6

09:20-22:25

1 stop18h 05m

£671

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 25/5

06:59-17:45

3 stops29h 46m

Southampton Eastleigh

Tue 9/6

20:00-20:05

2 stops29h 05m

£674

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 9/6

20:25-19:30

2 stops18h 05m

Southampton Eastleigh

Mon 15/6

12:20-19:05

3 stops35h 45m

£674

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 25/5

06:59-19:30

2 stops31h 31m

Southampton Eastleigh

Tue 9/6

20:00-20:05

2 stops29h 05m

£677

HartfordSouthampton

BDL - SOU

BDLSOU

Hartford Bradley Intl

Sat 19/9

08:00-08:45

2 stops19h 45m

Southampton Eastleigh

Thu 24/9

09:05-23:36

2 stops19h 31m

£795

HartfordSouthampton

BDL - SOU

BDLSOU

Hartford Bradley Intl

Sun 31/5

06:00-16:50

2 stops29h 50m

Southampton Eastleigh

Mon 8/6

17:20-16:12

2 stops27h 52m

£1,032

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Connecticut to Southampton

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 Southampton Eastleigh?

KLM, Aer Lingus, and Delta are the most popular carriers operating from Connecticut to Southampton Eastleigh

Cheap Connecticut to Southampton flight deals and tips

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

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from Connecticut to Southampton takes 9h 30m
There are no direct flights from Connecticut to Southampton. There are no popular flight routes from Connecticut to Southampton.
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Frequently asked questions about flying from Connecticut to Southampton

  • When did momondo last update prices for flights from Connecticut to Southampton Eastleigh Airport?

    Prices for flights from Connecticut to Southampton Eastleigh Airport were last updated today.

  • How old do you have to be to fly from Connecticut to Southampton Eastleigh 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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh 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 Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

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 Southampton from Connecticut.

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

Flights from Connecticut to Southampton 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 Southampton?

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 Southampton from Connecticut.

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

Yes momondo offers price alerts on flights to Southampton 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.

An easier way to manage your Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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