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Cheap flights from Pennsylvania to London from $367

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 7/10. 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 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
6:00 am - 7:30 pm
DCA
-
SOU
32h 30m
3 stops
Multiple Airlines Logo
3:35 pm - 12:00 pm
SOU
-
DCA
25h 25m
3 stops
$829Multiple Airlines
Mon, Jun 1 - Wed, Jun 17
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
$833Aer Lingus
Mon, May 25 - Tue, Jun 9
Multiple Airlines Logo
6:00 am - 7:30 pm
DCA
-
SOU
32h 30m
3 stops
Multiple Airlines Logo
3:35 pm - 10:18 am
SOU
-
DCA
23h 43m
2 stops
$853Multiple Airlines
Mon, Jun 1 - Wed, Jun 17
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
KLM Logo
12:33 pm - 8:45 am
PHL
-
SOU
15h 12m
2 stops
KLM Logo
5:20 pm - 5:14 pm
SOU
-
PHL
28h 54m
2 stops
$1,002KLM
Tue, Aug 25 - Mon, Sep 7
KLM Logo
12:33 pm - 8:45 am
PHL
-
SOU
15h 12m
2 stops
KLM Logo
5:20 pm - 5:14 pm
SOU
-
PHL
28h 54m
2 stops
$1,003KLM
Tue, Aug 25 - Mon, Sep 7
Delta Logo
12:02 pm - 8:45 am
PHL
-
SOU
15h 43m
2 stops
Delta Logo
6:05 pm - 6:04 pm
SOU
-
PHL
28h 59m
2 stops
$1,097Delta
Sun, Jul 19 - Tue, Jul 28
Delta Logo
7:05 pm - 8:45 am
PHL
-
SOU
32h 40m
2 stops
Delta Logo
6:05 pm - 4:53 pm
SOU
-
PHL
27h 48m
2 stops
$1,103Delta
Sat, Jul 18 - Tue, Jul 28
Virgin Atlantic Logo
6:10 pm - 5:35 pm
IAD
-
SOU
18h 25m
1 stop
Virgin Atlantic Logo
9:15 am - 3:35 pm
SOU
-
IAD
11h 20m
1 stop
$1,104Virgin Atlantic
Mon, Aug 10 - Tue, Aug 25

KLM flights from Pennsylvania to Southampton

Our best KLM deals on Pennsylvania to Southampton flight tickets
KLM
Aug 25
PHL12:33 pmPhiladelphia
15h 12m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 7
SOU5:20 pmSouthampton Eastleigh
28h 54m
2 stops
PHL5:14 pmPhiladelphia
$1,002
KLM
Aug 25
PHL12:33 pmPhiladelphia
15h 12m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 7
SOU5:20 pmSouthampton Eastleigh
28h 54m
2 stops
PHL5:14 pmPhiladelphia
$1,003
KLM
Aug 19
JFK6:20 pmNew York John F Kennedy Intl
18h 15m
1 stop
SOU5:35 pmSouthampton Eastleigh
Aug 30
SOU5:30 pmSouthampton Eastleigh
23h 59m
1 stop
JFK12:29 pmNew York John F Kennedy Intl
$1,090

Aer Lingus flights from Pennsylvania to Southampton

Our best Aer Lingus deals on Pennsylvania 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
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
$833
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

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 May 13, 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
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

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 6/1

6:00 am-7:30 pm

3 stops32h 30m

Southampton Eastleigh

Wed 6/17

3:35 pm-12:00 pm

3 stops25h 25m

$829

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

$833

Washington, D.C.Southampton

DCA - SOU

DCASOU

Washington, D.C. Reagan-National

Mon 6/1

6:00 am-7:30 pm

3 stops32h 30m

Southampton Eastleigh

Wed 6/17

3:35 pm-10:18 am

2 stops23h 43m

$853

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

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

12:33 pm-8:45 am

2 stops15h 12m

Southampton Eastleigh

Mon 9/7

5:20 pm-5:14 pm

2 stops28h 54m

$1,002

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

12:33 pm-8:45 am

2 stops15h 12m

Southampton Eastleigh

Mon 9/7

5:20 pm-5:14 pm

2 stops28h 54m

$1,003

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sun 7/19

12:02 pm-8:45 am

2 stops15h 43m

Southampton Eastleigh

Tue 7/28

6:05 pm-6:04 pm

2 stops28h 59m

$1,097

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 7/18

7:05 pm-8:45 am

2 stops32h 40m

Southampton Eastleigh

Tue 7/28

6:05 pm-4:53 pm

2 stops27h 48m

$1,103

Washington, D.C.Southampton

IAD - SOU

IADSOU

Washington, D.C. Dulles Intl

Mon 8/10

6:10 pm-5:35 pm

1 stop18h 25m

Southampton Eastleigh

Tue 8/25

9:15 am-3:35 pm

1 stop11h 20m

$1,104

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.
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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 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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