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Cheap flights from Pennsylvania 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 Pennsylvania 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
£595Aer Lingus
Mon, 25 May - Tue, 9 Jun
Multiple Airlines Logo
06:00 - 19:30
DCA
-
SOU
32h 30m
3 stops
Multiple Airlines Logo
15:35 - 12:00
SOU
-
DCA
25h 25m
3 stops
£612Multiple Airlines
Mon, 1 Jun - Wed, 17 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
£615Aer Lingus
Mon, 25 May - Tue, 9 Jun
Multiple Airlines Logo
06:00 - 19:30
DCA
-
SOU
32h 30m
3 stops
Multiple Airlines Logo
15:35 - 10:18
SOU
-
DCA
23h 43m
2 stops
£630Multiple Airlines
Mon, 1 Jun - Wed, 17 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
£633Multiple Airlines
Tue, 9 Jun - Mon, 15 Jun
KLM Logo
12:33 - 08:45
PHL
-
SOU
15h 12m
2 stops
KLM Logo
17:20 - 17:14
SOU
-
PHL
28h 54m
2 stops
£740KLM
Tue, 25 Aug - Mon, 7 Sep
KLM Logo
12:33 - 08:45
PHL
-
SOU
15h 12m
2 stops
KLM Logo
17:20 - 17:14
SOU
-
PHL
28h 54m
2 stops
£740KLM
Tue, 25 Aug - Mon, 7 Sep
Delta Logo
12:02 - 08:45
PHL
-
SOU
15h 43m
2 stops
Delta Logo
18:05 - 18:04
SOU
-
PHL
28h 59m
2 stops
£810Delta
Sun, 19 Jul - Tue, 28 Jul
Delta Logo
19:05 - 08:45
PHL
-
SOU
32h 40m
2 stops
Delta Logo
18:05 - 16:53
SOU
-
PHL
27h 48m
2 stops
£814Delta
Sat, 18 Jul - Tue, 28 Jul
Virgin Atlantic Logo
18:10 - 17:35
IAD
-
SOU
18h 25m
1 stop
Virgin Atlantic Logo
09:15 - 15:35
SOU
-
IAD
11h 20m
1 stop
£815Virgin Atlantic
Mon, 10 Aug - Tue, 25 Aug

KLM flights from Pennsylvania to Southampton

Our best KLM deals on Pennsylvania to Southampton flight tickets
KLM
25 Aug
PHL12:33Philadelphia
15h 12m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
28h 54m
2 stops
PHL17:14Philadelphia
£740
KLM
25 Aug
PHL12:33Philadelphia
15h 12m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
28h 54m
2 stops
PHL17:14Philadelphia
£740
KLM
19 Aug
JFK18:20New York John F Kennedy Intl
18h 15m
1 stop
SOU17:35Southampton Eastleigh
30 Aug
SOU17:30Southampton Eastleigh
23h 59m
1 stop
JFK12:29New York John F Kennedy Intl
£805

Aer Lingus flights from Pennsylvania to Southampton

Our best Aer Lingus deals on Pennsylvania to Southampton flight tickets
Aer Lingus
25 May
JFK16:55New York John F Kennedy Intl
10h 45m
1 stop
SOU08:40Southampton Eastleigh
9 Jun
SOU09:20Southampton Eastleigh
18h 05m
1 stop
JFK22:25New York John F Kennedy Intl
£595
Aer Lingus
25 May
JFK16:55New York John F Kennedy Intl
10h 45m
1 stop
SOU08:40Southampton Eastleigh
9 Jun
SOU09:20Southampton Eastleigh
18h 05m
1 stop
JFK22:25New York John F Kennedy Intl
£615
Aer Lingus
5 Jul
JFK23:55New York John F Kennedy Intl
14h 35m
1 stop
SOU19:30Southampton Eastleigh
21 Jul
SOU09:15Southampton Eastleigh
18h 10m
1 stop
JFK22:25New York John F Kennedy Intl
£681

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 13 May 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 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

£595

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 1/6

06:00-19:30

3 stops32h 30m

Southampton Eastleigh

Wed 17/6

15:35-12:00

3 stops25h 25m

£612

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

£615

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 1/6

06:00-19:30

3 stops32h 30m

Southampton Eastleigh

Wed 17/6

15:35-10:18

2 stops23h 43m

£630

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

£633

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 25/8

12:33-08:45

2 stops15h 12m

Southampton Eastleigh

Mon 7/9

17:20-17:14

2 stops28h 54m

£740

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 25/8

12:33-08:45

2 stops15h 12m

Southampton Eastleigh

Mon 7/9

17:20-17:14

2 stops28h 54m

£740

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sun 19/7

12:02-08:45

2 stops15h 43m

Southampton Eastleigh

Tue 28/7

18:05-18:04

2 stops28h 59m

£810

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 18/7

19:05-08:45

2 stops32h 40m

Southampton Eastleigh

Tue 28/7

18:05-16:53

2 stops27h 48m

£814

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 10/8

18:10-17:35

1 stop18h 25m

Southampton Eastleigh

Tue 25/8

09:15-15:35

1 stop11h 20m

£815

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 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?

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

Which airlines fly to Southampton?

British Airways, American Airlines and United Airlines 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 66% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 5 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.
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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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 Pennsylvania to Southampton?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Southampton for you.

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

Flights from Pennsylvania 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 Pennsylvania to Southampton?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Southampton.

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

Price alerts on flights to Southampton from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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