HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southampton

$431+ Cheap flights from Philadelphia (PHL) to Southampton (SOU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOU
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Southampton with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Southampton

Cheapest flights from Philadelphia to Southampton
Explore the most affordable flight options available from Philadelphia to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:36 pm
PHL
-
SOU
2 stops15h 09m
KLM
Mon 9/75:20 pm
SOU
-
PHL
2 stops27h 57m
KLM
Deal found 6/9$1,001
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:25 pm
PHL
-
SOU
1 stop18h 05m
Aer Lingus
Wed 7/299:20 am
SOU
-
PHL
1 stop14h 35m
Aer Lingus
Deal found 6/10$1,020
This SmartFares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:36 pm
PHL
-
SOU
2 stops15h 09m
Virgin Atlantic
Wed 7/299:15 am
SOU
-
PHL
2 stops28h 15m
Virgin Atlantic
Deal found 6/7$1,043
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:00 am
PHL
-
SOU
2 stops21h 45m
Delta
Wed 8/129:15 am
SOU
-
PHL
2 stops37h 19m
Delta
Deal found 6/7$1,083
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:36 pm
PHL
-
SOU
2 stops15h 09m
Delta
Wed 7/299:15 am
SOU
-
PHL
2 stops17h 52m
Delta
Deal found 6/10$1,096
This Cheapflightsfares deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:25 pm
PHL
-
SOU
1 stop18h 05m
Aer Lingus
Mon 9/79:20 am
SOU
-
PHL
1 stop14h 35m
Aer Lingus
Deal found 6/5$1,121
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:40 am
PHL
-
SOU
2 stops22h 05m
Delta
Wed 7/159:15 am
SOU
-
PHL
2 stops19h 41m
Delta
Deal found 6/8$1,128
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:25 pm
PHL
-
SOU
1 stop18h 05m
Multiple Airlines
Wed 7/296:45 am
SOU
-
PHL
2 stops17h 10m
Multiple Airlines
Deal found 6/10$1,139
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:40 am
PHL
-
SOU
2 stops22h 05m
Delta
Thu 8/69:15 am
SOU
-
PHL
2 stops39h 00m
Delta
Deal found 6/7$1,148
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:40 am
PHL
-
SOU
2 stops22h 05m
Delta
Tue 8/116:05 pm
SOU
-
PHL
2 stops33h 11m
Delta
Deal found 6/7$1,158

Find flight deals from Philadelphia to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,001
(KLM)

One-way from

$431
(KAYAK)

Popular in

June

Cheapest in

September

Average price

$1,367
Provider with most accurate pricing for Philadelphia-Southampton Eastleigh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Southampton Eastleigh flights.
Search Deals
From Philadelphia to Southampton Eastleigh
Search Deals
One-way flight from Philadelphia to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Philadelphia to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

12:36 pm-8:45 am

2 stops15h 09m

Southampton Eastleigh

Mon 9/7

5:20 pm-4:17 pm

2 stops27h 57m

$1,001
Quickest round-trip

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 7/22

8:25 pm-7:30 pm

1 stop18h 05m

Southampton Eastleigh

Wed 7/29

9:20 am-6:55 pm

1 stop14h 35m

$1,020

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/31

6:00 am-8:45 am

2 stops21h 45m

Southampton Eastleigh

Wed 8/12

9:15 am-5:34 pm

2 stops37h 19m

$1,083

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 7/22

12:36 pm-8:45 am

2 stops15h 09m

Southampton Eastleigh

Wed 7/29

9:15 am-10:07 pm

2 stops17h 52m

$1,096

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 8/25

8:28 am-4:50 pm

2 stops27h 22m

Southampton Eastleigh

Mon 9/7

9:20 am-6:55 pm

1 stop14h 35m

$1,203

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/31

6:00 am-8:45 am

2 stops21h 45m

Southampton Eastleigh

Sun 8/9

5:30 pm-1:19 am

2 stops36h 49m

$1,218

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 6/27

7:00 pm-4:50 pm

2 stops16h 50m

Southampton Eastleigh

Fri 7/10

9:15 am-10:07 pm

2 stops17h 52m

$1,261
Cheapest one-way
Quickest one-way

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 8/1

1:53 pm-8:35 am

2 stops13h 42m

$431

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 8/1

9:16 pm-1:45 pm

3 stops59h 29m

$474

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 9/17

8:25 pm-8:40 am

1 stop31h 15m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Southampton in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Southampton?

    There are many flights that can get you from Philadelphia to Southampton in 15h 09m. Fly via KLM, Aer Lingus, or Delta to get the fastest option. The distance between Philadelphia and Southampton is about 3507 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Philadelphia to Southampton that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Southampton.

  • Can I find deals for business class flights from Philadelphia to Southampton?

    Yes. Cheapflights offers flight deals from Philadelphia to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.