Southampton

$505+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOU
Mar 7 — Mar 141
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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 February 5, 2026.

This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:30 am
PHL
-
SOU
2 stops15h 50m
Delta
Tue 3/35:35 pm
SOU
-
PHL
2 stops28h 22m
Delta
Deal found 2/5$771
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 3/235:18 pm
PHL
-
SOU
2 stops19h 42m
Delta
Wed 4/85:20 pm
SOU
-
PHL
2 stops28h 13m
Delta
Deal found 2/3$777
This Delta deal was found by Cheapflights users on 2/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:29 pm
PHL
-
SOU
2 stops23h 31m
Delta
Mon 3/25:40 pm
SOU
-
PHL
2 stops27h 52m
Delta
Deal found 2/5$821
This oojo deal was found by Cheapflights users on 2/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:25 pm
PHL
-
SOU
2 stops18h 05m
Aer Lingus
Mon 9/78:00 pm
SOU
-
PHL
1 stop27h 55m
Aer Lingus
Deal found 2/4$967
This Delta deal was found by Cheapflights users on 2/3. 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.
Sun 5/2410:35 am
PHL
-
SOU
2 stops17h 00m
Delta
Wed 5/275:20 pm
SOU
-
PHL
2 stops27h 52m
Delta
Deal found 2/3$977
This Delta deal was found by Cheapflights users on 2/4. 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.
Sat 5/234:30 pm
PHL
-
SOU
2 stops35h 05m
Delta
Fri 5/299:05 am
SOU
-
PHL
2 stops18h 09m
Delta
Deal found 2/4$982
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 5/234:30 pm
PHL
-
SOU
2 stops35h 05m
Delta
Wed 5/275:20 pm
SOU
-
PHL
2 stops27h 52m
Delta
Deal found 2/3$983
This oojo deal was found by Cheapflights users on 2/3. 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 oojo 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
Multiple Airlines
Mon 9/75:05 pm
SOU
-
PHL
1 stop28h 00m
Multiple Airlines
Deal found 2/3$990

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$771
(Delta)

One-way from

$505
(Delta)

Popular in

June

Cheapest in

September

Average price

$668
Provider with most accurate pricing for Philadelphia-Southampton Eastleigh flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Southampton Eastleigh flights.
From Philadelphia to Southampton Eastleigh
One-way flight from Philadelphia to Southampton Eastleigh
Highest demand for flights based on searches. 19% potential increase in price ($194 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 5, 2026.
Use the filters below to find and compare flights from Philadelphia to Southampton that are best for you.

Fly from

Philadelphia

Fly to

Southampton

Route

Depart

Return

Price

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 2/25

12:29 pm-8:20 am

2 stops14h 51m

Southampton Eastleigh

Thu 3/5

8:50 am-12:24 am

2 stops20h 34m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 2/25

12:29 pm-8:20 am

2 stops14h 51m

Southampton Eastleigh

Wed 3/4

5:35 pm-4:57 pm

2 stops28h 22m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 2/25

11:27 am-8:20 am

2 stops15h 53m

Southampton Eastleigh

Mon 3/2

5:40 pm-4:57 pm

2 stops28h 17m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 2/24

11:30 am-8:20 am

2 stops15h 50m

Southampton Eastleigh

Fri 3/6

8:50 am-12:24 am

2 stops20h 34m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 2/25

11:27 am-8:20 am

2 stops15h 53m

Southampton Eastleigh

Fri 3/6

8:50 am-11:44 pm

2 stops19h 54m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 2/24

12:29 pm-8:20 am

2 stops14h 51m

Southampton Eastleigh

Thu 3/5

8:50 am-7:25 pm

2 stops15h 35m

$771

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Mon 3/23

5:18 pm-5:00 pm

2 stops19h 42m

Southampton Eastleigh

Wed 4/8

5:20 pm-4:33 pm

2 stops28h 13m

$777

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 2/26

12:29 pm-5:00 pm

2 stops23h 31m

Southampton Eastleigh

Mon 3/2

5:40 pm-4:32 pm

2 stops27h 52m

$821

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 2/26

12:29 pm-5:00 pm

2 stops23h 31m

Southampton Eastleigh

Wed 3/4

8:50 am-8:49 pm

2 stops16h 59m

$821

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 2/26

12:29 pm-5:00 pm

2 stops23h 31m

Southampton Eastleigh

Fri 3/6

8:50 am-8:49 pm

2 stops16h 59m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 18 results
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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Southampton

What is the cheapest month to book a flight from Philadelphia to Southampton?

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Southampton (average of $282). Flying from Philadelphia to Southampton in June is currently the most expensive (average of $534). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated February 5, 2026.
Read reviews from past customers who have flown Aer Lingus from Philadelphia to Southampton. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.1

Entertainment

6.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Overall

7.2

Crew

8.0

Boarding

7.4

Comfort

7.1

Entertainment

6.9

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

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 14h 51m. Fly via Delta to get the fastest option. The distance between Philadelphia and Southampton is about 3507 mi.

  • What is the cheapest airline to fly from Philadelphia to Southampton round-trip?

    According to our current data, Aer Lingus ($969), offers the cheapest pricing from Philadelphia to Southampton.

  • 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.

  • What is the cheapest month to book a flight from Philadelphia to Southampton?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Southampton (average of $282). Flying from Philadelphia to Southampton in June is currently the most expensive (average of $534). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Southampton

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Philadelphia to Southampton

Discover the top airline that operate flights from Philadelphia to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$969Average$1,157FlexibilityNo cancel feeOn-timeN/A

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