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Cheap flights from Pennsylvania to London from $306

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to London departing on 8/11. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Pennsylvania to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
11:55 pm - 7:30 pm
JFK
-
SOU
14h 35m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$754Aer Lingus
Mon, Aug 17 - Wed, Sep 2
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
$755Aer Lingus
Sun, Sep 6 - Sat, Sep 19
Multiple Airlines Logo
5:35 pm - 8:40 am
EWR
-
SOU
10h 05m
1 stop
Multiple Airlines Logo
7:25 pm - 9:00 pm
SOU
-
EWR
30h 35m
1 stop
$795Multiple Airlines
Sun, Sep 6 - Sat, Sep 19
Multiple Airlines Logo
5:35 pm - 8:40 am
EWR
-
SOU
10h 05m
1 stop
Multiple Airlines Logo
5:10 pm - 9:00 pm
SOU
-
EWR
32h 50m
1 stop
$800Multiple Airlines
Thu, Oct 22 - Thu, Nov 5
Multiple Airlines Logo
11:55 pm - 8:40 am
JFK
-
SOU
27h 45m
1 stop
Multiple Airlines Logo
8:40 pm - 10:30 pm
SOU
-
JFK
30h 50m
2 stops
$802Multiple Airlines
Sun, Sep 6 - Mon, Sep 21
Multiple Airlines Logo
11:55 pm - 8:25 am
JFK
-
SOU
27h 30m
2 stops
Multiple Airlines Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$813Multiple Airlines
Mon, Aug 17 - Wed, Sep 2
Aer Lingus Logo
4:55 pm - 4:50 pm
JFK
-
SOU
18h 55m
1 stop
Aer Lingus Logo
9:20 am - 10:25 pm
SOU
-
JFK
18h 05m
1 stop
$826Aer Lingus
Mon, Aug 17 - Thu, Aug 27
Delta Logo
11:39 am - 8:45 am
PHL
-
SOU
16h 06m
2 stops
Delta Logo
5:20 pm - 4:33 pm
SOU
-
PHL
28h 13m
2 stops
$999Delta
Sun, Aug 16 - Thu, Sep 3
Delta Logo
5:00 pm - 8:35 am
PHL
-
SOU
34h 35m
2 stops
Delta Logo
9:15 am - 10:07 pm
SOU
-
PHL
17h 52m
2 stops
$1,004Delta
Sat, Oct 3 - Wed, Oct 14
KLM Logo
5:20 pm - 5:35 pm
PHL
-
SOU
19h 15m
2 stops
KLM Logo
5:20 pm - 4:17 pm
SOU
-
PHL
27h 57m
2 stops
$1,087KLM
Tue, Aug 25 - Mon, Sep 7

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Delta flights from Pennsylvania to Southampton

Our best Delta deals on Pennsylvania to Southampton flight tickets
Delta
Aug 16
PHL11:39 amPhiladelphia
16h 06m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 3
SOU5:20 pmSouthampton Eastleigh
28h 13m
2 stops
PHL4:33 pmPhiladelphia
$999
Delta
Oct 3
PHL5:00 pmPhiladelphia
34h 35m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 14
SOU9:15 amSouthampton Eastleigh
17h 52m
2 stops
PHL10:07 pmPhiladelphia
$1,004
Delta
Oct 8
PHL12:25 pmPhiladelphia
15h 10m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 14
SOU9:15 amSouthampton Eastleigh
18h 57m
2 stops
PHL11:12 pmPhiladelphia
$1,049

Aer Lingus flights from Pennsylvania to Southampton

Our best Aer Lingus deals on Pennsylvania to Southampton flight tickets
Aer Lingus
Aug 17
JFK11:55 pmNew York John F Kennedy Intl
14h 35m
1 stop
SOU7:30 pmSouthampton Eastleigh
Sep 2
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$754
Aer Lingus
Sep 6
JFK4:55 pmNew York John F Kennedy Intl
10h 45m
1 stop
SOU8:40 amSouthampton Eastleigh
Sep 19
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$755
Aer Lingus
Aug 17
JFK4:55 pmNew York John F Kennedy Intl
18h 55m
1 stop
SOU4:50 pmSouthampton Eastleigh
Aug 27
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$826

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 July 18, 2026.
Use the filters below to find and compare flights from Pennsylvania to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 8/17

11:55 pm-7:30 pm

1 stop14h 35m

Southampton Eastleigh

Wed 9/2

9:20 am-10:25 pm

1 stop18h 05m

$754
Quickest round-trip

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/6

4:55 pm-8:40 am

1 stop10h 45m

Southampton Eastleigh

Sat 9/19

9:20 am-10:25 pm

1 stop18h 05m

$755

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sun 9/6

5:35 pm-8:40 am

1 stop10h 05m

Southampton Eastleigh

Sat 9/19

7:25 pm-9:00 pm

1 stop30h 35m

$795

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Thu 10/22

5:35 pm-8:40 am

1 stop10h 05m

Southampton Eastleigh

Thu 11/5

5:10 pm-9:00 pm

1 stop32h 50m

$800

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sun 9/6

11:55 pm-8:40 am

1 stop27h 45m

Southampton Eastleigh

Mon 9/21

8:40 pm-10:30 pm

2 stops30h 50m

$802

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 8/17

11:55 pm-8:25 am

2 stops27h 30m

Southampton Eastleigh

Wed 9/2

9:20 am-10:25 pm

1 stop18h 05m

$813

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Mon 8/17

4:55 pm-4:50 pm

1 stop18h 55m

Southampton Eastleigh

Thu 8/27

9:20 am-10:25 pm

1 stop18h 05m

$826

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sun 8/16

11:39 am-8:45 am

2 stops16h 06m

Southampton Eastleigh

Thu 9/3

5:20 pm-4:33 pm

2 stops28h 13m

$999

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 10/3

5:00 pm-8:35 am

2 stops34h 35m

Southampton Eastleigh

Wed 10/14

9:15 am-10:07 pm

2 stops17h 52m

$1,004

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

5:20 pm-5:35 pm

2 stops19h 15m

Southampton Eastleigh

Mon 9/7

5:20 pm-4:17 pm

2 stops27h 57m

$1,087

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 Pennsylvania 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 Pennsylvania to Southampton Eastleigh?

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

What airlines fly to Southampton?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to Southampton from Pennsylvania according to our data. British Airways is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 11 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Cheap Pennsylvania to Southampton flight deals and tips

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

Fastest flight time

9h 25m

Direct flights

None
The fastest flight from Pennsylvania to Southampton takes 9h 25m
There are no direct flights from Pennsylvania to Southampton. There are no popular flight routes from Pennsylvania to Southampton.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Southampton

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

    Prices for flights from Pennsylvania to Southampton Eastleigh Airport refresh daily.

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

  • How old do you have to be to fly from Pennsylvania 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 Pennsylvania 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.

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 Pennsylvania to Southampton?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Southampton. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Pennsylvania to Southampton flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to Southampton?

momondo provides multiple filters to help you find the best flight to Southampton from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Pennsylvania to Southampton 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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