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Cheap flights from Connecticut to London from $251

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 3/23. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
6:00 pm - 8:45 am
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
9:10 am - 10:15 pm
SOU
-
JFK
18h 05m
1 stop
$631Aer Lingus
Sun, Mar 22 - Mon, Mar 30
Aer Lingus Logo
10:10 pm - 11:55 am
JFK
-
SOU
9h 45m
1 stop
Aer Lingus Logo
9:10 am - 10:25 pm
SOU
-
JFK
18h 15m
1 stop
$640Aer Lingus
Mon, Mar 23 - Mon, Mar 30
Aer Lingus Logo
6:00 pm - 3:35 pm
JFK
-
SOU
17h 35m
1 stop
Aer Lingus Logo
9:10 am - 10:25 pm
SOU
-
JFK
18h 15m
1 stop
$655Aer Lingus
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
10:05 am - 7:20 pm
JFK
-
SOU
29h 15m
3 stops
Multiple Airlines Logo
7:20 pm - 2:20 pm
SOU
-
JFK
24h 00m
3 stops
$663Multiple Airlines
Sun, Mar 22 - Mon, Mar 30
Delta Logo
6:45 pm - 8:20 am
JFK
-
SOU
9h 35m
1 stop
Delta Logo
5:40 pm - 4:45 pm
SOU
-
JFK
27h 05m
1 stop
$679Delta
Wed, Mar 11 - Mon, Mar 16
Air Europa Logo
6:45 pm - 5:05 pm
JFK
-
SOU
18h 20m
1 stop
Air Europa Logo
5:20 pm - 9:32 pm
SOU
-
JFK
33h 12m
2 stops
$690Air Europa
Sun, Mar 22 - Mon, Mar 30
KLM Logo
8:00 pm - 5:00 pm
LGA
-
SOU
17h 00m
2 stops
KLM Logo
5:20 pm - 5:34 pm
SOU
-
LGA
29h 14m
2 stops
$693KLM
Tue, Mar 24 - Tue, Mar 31
Delta Logo
9:10 pm - 4:50 pm
JFK
-
SOU
14h 40m
1 stop
Delta Logo
5:20 pm - 5:05 pm
SOU
-
JFK
28h 45m
1 stop
$694Delta
Tue, Mar 31 - Tue, Apr 7
Delta Logo
7:00 pm - 8:20 am
EWR
-
SOU
33h 20m
2 stops
Delta Logo
9:05 am - 3:59 pm
SOU
-
EWR
35h 54m
2 stops
$694Delta
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
10:10 pm - 3:35 pm
JFK
-
SOU
13h 25m
1 stop
Multiple Airlines Logo
8:40 pm - 12:25 pm
SOU
-
JFK
44h 45m
2 stops
$701Multiple Airlines
Mon, Mar 23 - Mon, Mar 30

Aer Lingus flights from Connecticut to Southampton

Our best Aer Lingus deals on Connecticut to Southampton flight tickets
Aer Lingus
Mar 22
JFK6:00 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:45 amSouthampton Eastleigh
Mar 30
SOU9:10 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:15 pmNew York John F Kennedy Intl
$631
Aer Lingus
Mar 23
JFK10:10 pmNew York John F Kennedy Intl
9h 45m
1 stop
SOU11:55 amSouthampton Eastleigh
Mar 30
SOU9:10 amSouthampton Eastleigh
18h 15m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$640
Aer Lingus
Mar 23
JFK6:00 pmNew York John F Kennedy Intl
17h 35m
1 stop
SOU3:35 pmSouthampton Eastleigh
Mar 30
SOU9:10 amSouthampton Eastleigh
18h 15m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$655

Delta flights from Connecticut to Southampton

Our best Delta deals on Connecticut to Southampton flight tickets
Delta
Mar 11
JFK6:45 pmNew York John F Kennedy Intl
9h 35m
1 stop
SOU8:20 amSouthampton Eastleigh
Mar 16
SOU5:40 pmSouthampton Eastleigh
27h 05m
1 stop
JFK4:45 pmNew York John F Kennedy Intl
$679
Delta
Mar 24
EWR7:00 pmNewark
33h 20m
2 stops
SOU8:20 amSouthampton Eastleigh
Mar 31
SOU9:05 amSouthampton Eastleigh
35h 54m
2 stops
EWR3:59 pmNewark
$694
Delta
Jul 21
JFK10:35 pmNew York John F Kennedy Intl
14h 00m
1 stop
SOU5:35 pmSouthampton Eastleigh
Sep 23
SOU5:20 pmSouthampton Eastleigh
28h 47m
1 stop
JFK5:07 pmNew York John F Kennedy Intl
$695

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 7, 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

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 3/22

6:00 pm-8:45 am

1 stop10h 45m

Southampton Eastleigh

Mon 3/30

9:10 am-10:15 pm

1 stop18h 05m

$631

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/23

10:10 pm-11:55 am

1 stop9h 45m

Southampton Eastleigh

Mon 3/30

9:10 am-10:25 pm

1 stop18h 15m

$640

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/23

6:00 pm-3:35 pm

1 stop17h 35m

Southampton Eastleigh

Mon 3/30

9:10 am-10:25 pm

1 stop18h 15m

$655

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 3/22

10:05 am-7:20 pm

3 stops29h 15m

Southampton Eastleigh

Mon 3/30

7:20 pm-2:20 pm

3 stops24h 00m

$663

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Wed 3/11

6:45 pm-8:20 am

1 stop9h 35m

Southampton Eastleigh

Mon 3/16

5:40 pm-4:45 pm

1 stop27h 05m

$679

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 3/22

6:45 pm-5:05 pm

1 stop18h 20m

Southampton Eastleigh

Mon 3/30

5:20 pm-9:32 pm

2 stops33h 12m

$690

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Tue 3/24

8:00 pm-5:00 pm

2 stops17h 00m

Southampton Eastleigh

Tue 3/31

5:20 pm-5:34 pm

2 stops29h 14m

$693

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Tue 3/31

9:10 pm-4:50 pm

1 stop14h 40m

Southampton Eastleigh

Tue 4/7

5:20 pm-5:05 pm

1 stop28h 45m

$694

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Tue 3/24

7:00 pm-8:20 am

2 stops33h 20m

Southampton Eastleigh

Tue 3/31

9:05 am-3:59 pm

2 stops35h 54m

$694

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 3/23

10:10 pm-3:35 pm

1 stop13h 25m

Southampton Eastleigh

Mon 3/30

8:40 pm-12:25 pm

2 stops44h 45m

$701

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 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?

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

What airlines fly to Southampton?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Southampton from Connecticut according to our data. Aer Lingus is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 4 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

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 35m

Direct flights

None
The fastest flight from Connecticut to Southampton takes 9h 35m
There are no direct flights from Connecticut to Southampton. There are no popular flight routes from Connecticut to Southampton.
Search flight deals

  • 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 many operators does momondo search for flights from Connecticut to Southampton Eastleigh Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling 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?

Finding the right flight to Southampton from Connecticut is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southampton quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Southampton from Connecticut with this policy.

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?

Of course. momondo tracks the price of Connecticut to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Southampton trip

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