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Cheap flights from Pennsylvania to London from $322

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 5/8. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:59 am - 4:50 pm
JFK
-
SOU
28h 51m
2 stops
Multiple Airlines Logo
8:00 pm - 9:47 pm
SOU
-
JFK
30h 47m
2 stops
$750Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
5:35 pm - 8:35 am
EWR
-
SOU
10h 00m
1 stop
Multiple Airlines Logo
8:05 pm - 9:00 pm
SOU
-
EWR
29h 55m
1 stop
$789Multiple Airlines
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
5:35 pm - 8:35 am
EWR
-
SOU
10h 00m
1 stop
Multiple Airlines Logo
8:05 pm - 9:00 pm
SOU
-
EWR
29h 55m
1 stop
$793Multiple Airlines
Sat, May 9 - Sat, May 16
Aer Lingus Logo
4:55 pm - 8:35 am
JFK
-
SOU
10h 40m
1 stop
Aer Lingus Logo
9:20 am - 7:20 pm
SOU
-
JFK
15h 00m
1 stop
$828Aer Lingus
Sat, May 9 - Sat, May 16
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
$833Aer Lingus
Sat, May 9 - Sat, May 16
KLM Logo
1:20 pm - 8:45 am
PHL
-
SOU
14h 25m
2 stops
KLM Logo
5:20 pm - 5:14 pm
SOU
-
PHL
28h 54m
2 stops
$1,038KLM
Tue, Aug 25 - Mon, Sep 7
Delta Logo
11:00 am - 8:45 am
LGA
-
SOU
16h 45m
2 stops
Delta Logo
9:15 am - 10:20 pm
SOU
-
LGA
18h 05m
2 stops
$1,055Delta
Wed, Aug 19 - Sun, Aug 30
Delta Logo
1:00 pm - 8:35 am
LGA
-
SOU
14h 35m
2 stops
Delta Logo
9:05 am - 8:00 pm
SOU
-
LGA
15h 55m
2 stops
$1,075Delta
Mon, Apr 27 - Tue, May 12
KLM Logo
6:10 pm - 8:45 am
IAD
-
SOU
9h 35m
1 stop
KLM Logo
5:20 pm - 3:35 pm
SOU
-
IAD
27h 15m
1 stop
$1,082KLM
Mon, Aug 24 - Mon, Sep 7
Virgin Atlantic Logo
6:10 pm - 8:35 am
IAD
-
SOU
9h 25m
1 stop
Virgin Atlantic Logo
9:05 am - 3:35 pm
SOU
-
IAD
11h 30m
1 stop
$1,117Virgin Atlantic
Wed, May 6 - Tue, May 12

KLM flights from Pennsylvania to Southampton

Our best KLM deals on Pennsylvania to Southampton flight tickets
KLM
Aug 25
PHL1:20 pmPhiladelphia
14h 25m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 7
SOU5:20 pmSouthampton Eastleigh
28h 54m
2 stops
PHL5:14 pmPhiladelphia
$1,038
KLM
Aug 26
JFK9:10 pmNew York John F Kennedy Intl
30h 35m
1 stop
SOU8:45 amSouthampton Eastleigh
Sep 12
SOU9:15 amSouthampton Eastleigh
12h 52m
1 stop
JFK5:07 pmNew York John F Kennedy Intl
$1,040
KLM
Apr 5
JFK1:50 pmNew York John F Kennedy Intl
13h 45m
2 stops
SOU8:35 amSouthampton Eastleigh
Apr 12
SOU9:15 amSouthampton Eastleigh
10h 20m
1 stop
JFK2:35 pmNew York John F Kennedy Intl
$1,045

Aer Lingus flights from Pennsylvania to Southampton

Our best Aer Lingus deals on Pennsylvania to Southampton flight tickets
Aer Lingus
May 9
JFK4:55 pmNew York John F Kennedy Intl
10h 40m
1 stop
SOU8:35 amSouthampton Eastleigh
May 16
SOU9:20 amSouthampton Eastleigh
15h 00m
1 stop
JFK7:20 pmNew York John F Kennedy Intl
$828
Aer Lingus
May 9
JFK4:55 pmNew York John F Kennedy Intl
18h 55m
1 stop
SOU4:50 pmSouthampton Eastleigh
May 16
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$833
Aer Lingus
May 10
JFK4:55 pmNew York John F Kennedy Intl
18h 55m
1 stop
SOU4:50 pmSouthampton Eastleigh
May 17
SOU9:20 amSouthampton Eastleigh
18h 05m
1 stop
JFK10:25 pmNew York John F Kennedy Intl
$850

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 March 28, 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

Sun 5/10

6:59 am-4:50 pm

2 stops28h 51m

Southampton Eastleigh

Sun 5/17

8:00 pm-9:47 pm

2 stops30h 47m

$750

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sat 5/9

5:35 pm-8:35 am

1 stop10h 00m

Southampton Eastleigh

Sat 5/16

8:05 pm-9:00 pm

1 stop29h 55m

$789

NewarkSouthampton

EWR - SOU

EWRSOU

Newark

Sat 5/9

5:35 pm-8:35 am

1 stop10h 00m

Southampton Eastleigh

Sat 5/16

8:05 pm-9:00 pm

1 stop29h 55m

$793

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sat 5/9

4:55 pm-8:35 am

1 stop10h 40m

Southampton Eastleigh

Sat 5/16

9:20 am-7:20 pm

1 stop15h 00m

$828

New YorkSouthampton

JFK - SOU

JFKSOU

New York John F Kennedy Intl

Sat 5/9

4:55 pm-4:50 pm

1 stop18h 55m

Southampton Eastleigh

Sat 5/16

9:20 am-10:25 pm

1 stop18h 05m

$833

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

1:20 pm-8:45 am

2 stops14h 25m

Southampton Eastleigh

Mon 9/7

5:20 pm-5:14 pm

2 stops28h 54m

$1,038

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Wed 8/19

11:00 am-8:45 am

2 stops16h 45m

Southampton Eastleigh

Sun 8/30

9:15 am-10:20 pm

2 stops18h 05m

$1,055

New YorkSouthampton

LGA - SOU

LGASOU

New York LaGuardia

Mon 4/27

1:00 pm-8:35 am

2 stops14h 35m

Southampton Eastleigh

Tue 5/12

9:05 am-8:00 pm

2 stops15h 55m

$1,075

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 8/24

6:10 pm-8:45 am

1 stop9h 35m

Southampton Eastleigh

Mon 9/7

5:20 pm-3:35 pm

1 stop27h 15m

$1,082
Quickest round-trip

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Wed 5/6

6:10 pm-8:35 am

1 stop9h 25m

Southampton Eastleigh

Tue 5/12

9:05 am-3:35 pm

1 stop11h 30m

$1,117

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

Can stopping save me money on Pennsylvania to Southampton flights?

You could potentially save up to 66% on your flight if you consider stops on a Pennsylvania to Southampton flight.

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

  • 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.

An easier way to manage your Southampton trip

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