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Cheap flights from Connecticut to London from $309

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 7/19. 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
4:55 pm - 8:40 am
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$806Aer Lingus
Mon, May 25 - Tue, Jun 9
Multiple Airlines Logo
4:00 pm - 7:30 pm
LGA
-
SOU
22h 30m
2 stops
Multiple Airlines Logo
8:00 pm - 3:46 pm
SOU
-
LGA
24h 46m
2 stops
$858Multiple Airlines
Tue, Jun 9 - Mon, Jun 15
Multiple Airlines Logo
6:59 am - 5:45 pm
JFK
-
SOU
29h 46m
3 stops
Multiple Airlines Logo
8:00 pm - 8:05 pm
SOU
-
JFK
29h 05m
2 stops
$911Multiple Airlines
Mon, May 25 - Tue, Jun 9
Multiple Airlines Logo
6:59 am - 7:30 pm
JFK
-
SOU
31h 31m
2 stops
Multiple Airlines Logo
8:00 pm - 8:05 pm
SOU
-
JFK
29h 05m
2 stops
$916Multiple Airlines
Mon, May 25 - Tue, Jun 9
Multiple Airlines Logo
9:05 pm - 7:30 pm
JFK
-
SOU
17h 25m
1 stop
Multiple Airlines Logo
6:05 pm - 7:20 pm
SOU
-
JFK
30h 15m
2 stops
$919Multiple Airlines
Sun, Jul 5 - Tue, Jul 21
Multiple Airlines Logo
5:35 pm - 8:45 am
LGA
-
SOU
34h 10m
3 stops
Multiple Airlines Logo
8:00 pm - 2:59 pm
SOU
-
LGA
23h 59m
2 stops
$920Multiple Airlines
Sun, Jul 5 - Tue, Jul 21
Aer Lingus Logo
11:55 pm - 7:30 pm
JFK
-
SOU
14h 35m
1 stop
Aer Lingus Logo
9:15 am - 10:25 pm
SOU
-
JFK
18h 10m
1 stop
$923Aer Lingus
Sun, Jul 5 - Tue, Jul 21
Multiple Airlines Logo
4:55 pm - 8:40 am
JFK
-
SOU
10h 45m
1 stop
Multiple Airlines Logo
5:55 pm - 7:20 pm
SOU
-
JFK
30h 25m
2 stops
$925Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
Aer Lingus Logo
4:55 pm - 8:40 am
JFK
-
SOU
10h 45m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$940Aer Lingus
Fri, Jul 17 - Thu, Jul 30
KLM Logo
8:00 am - 8:45 am
BDL
-
SOU
19h 45m
2 stops
KLM Logo
9:05 am - 11:36 pm
SOU
-
BDL
19h 31m
2 stops
$1,075KLM
Sat, Sep 19 - Thu, Sep 24

Aer Lingus flights from Connecticut to Southampton

Our best Aer Lingus deals on Connecticut to Southampton flight tickets
Aer Lingus
May 25
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Jun 9
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$806
Aer Lingus
Jul 5
JFK11:55 pmNew York John F Kennedy Intl
14h 35m
1 stop
SOU7:30 pmSouthampton Eastleigh
Jul 21
SOU9:15 amSouthampton Eastleigh
18h 10m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$923
Aer Lingus
Jul 17
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Jul 30
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$940

Delta flights from Connecticut to Southampton

Our best Delta deals on Connecticut to Southampton flight tickets
Delta
Nov 8
JFK10:45 pmNew York John F Kennedy Intl
13h 15m
1 stop
SOU5:00 pmSouthampton Eastleigh
Nov 18
SOU5:30 pmSouthampton Eastleigh
22h 50m
1 stop
JFK11:20 amNew York John F Kennedy Intl
$1,040
Delta
Aug 4
JFK4:40 pmNew York John F Kennedy Intl
11h 05m
1 stop
SOU8:45 amSouthampton Eastleigh
Sep 2
SOU5:20 pmSouthampton Eastleigh
24h 12m
1 stop
JFK12:32 pmNew York John F Kennedy Intl
$1,041
Delta
Nov 8
JFK12:30 pmNew York John F Kennedy Intl
23h 30m
2 stops
SOU5:00 pmSouthampton Eastleigh
Nov 18
SOU5:30 pmSouthampton Eastleigh
22h 50m
1 stop
JFK11:20 amNew York John F Kennedy Intl
$1,045

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 May 12, 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 round-trip
Quickest round-trip

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Tue 6/9

9:20 am-10:25 pm

1 stop18h 05m

$806

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Tue 6/9

4:00 pm-7:30 pm

2 stops22h 30m

Southampton Eastleigh

Mon 6/15

8:00 pm-3:46 pm

2 stops24h 46m

$858

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

6:59 am-5:45 pm

3 stops29h 46m

Southampton Eastleigh

Tue 6/9

8:00 pm-8:05 pm

2 stops29h 05m

$911

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 5/25

6:59 am-7:30 pm

2 stops31h 31m

Southampton Eastleigh

Tue 6/9

8:00 pm-8:05 pm

2 stops29h 05m

$916

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 7/5

9:05 pm-7:30 pm

1 stop17h 25m

Southampton Eastleigh

Tue 7/21

6:05 pm-7:20 pm

2 stops30h 15m

$919

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Sun 7/5

5:35 pm-8:45 am

3 stops34h 10m

Southampton Eastleigh

Tue 7/21

8:00 pm-2:59 pm

2 stops23h 59m

$920

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 7/5

11:55 pm-7:30 pm

1 stop14h 35m

Southampton Eastleigh

Tue 7/21

9:15 am-10:25 pm

1 stop18h 10m

$923

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 8/10

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Mon 8/24

5:55 pm-7:20 pm

2 stops30h 25m

$925

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Fri 7/17

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Thu 7/30

9:20 am-10:25 pm

1 stop18h 05m

$940

HartfordSouthampton

BDL - SOU

BDLSOU

Hartford Bradley Intl

Sat 9/19

8:00 am-8:45 am

2 stops19h 45m

Southampton Eastleigh

Thu 9/24

9:05 am-11:36 pm

2 stops19h 31m

$1,075

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

What airlines fly to Southampton?

Aer Lingus, JetBlue and United 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 36% 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.
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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 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.
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