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$430+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$1,052
(Delta)

One-way from

$430
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,148
From Philadelphia to Southampton Eastleigh
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One-way flight from Philadelphia to Southampton Eastleigh
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Highest demand for flights based on searches. 19% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 12, 2025.

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.
Sat 7/1212:55 pmPHL - SOU
2 stops14h 50mDelta
Mon 7/216:25 pmSOU - PHL
2 stops27h 57mDelta
Deal found 6/10$1,052
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:23 amPHL - SOU
2 stops16h 22mAer Lingus
Fri 11/289:30 amSOU - PHL
1 stop11h 30mAer Lingus
Deal found 6/9$1,079
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2512:02 pmPHL - SOU
2 stops15h 43mKLM
Fri 8/19:20 amSOU - PHL
2 stops17h 14mKLM
Deal found 6/10$1,292
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.
Fri 7/253:20 pmPHL - SOU
2 stops19h 25mMultiple Airlines
Fri 8/14:15 pmSOU - PHL
3 stops26h 44mMultiple Airlines
Deal found 6/10$1,488
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/197:50 pmPHL - SOU
2 stops35h 05mBritish Airways
Mon 6/308:00 pmSOU - PHL
1 stop20h 40mBritish Airways
Deal found 6/10$1,782

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 12, 2025.
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

Sat 7/12

12:55 pm-8:45 am

2 stops14h 50m

Southampton Eastleigh

Mon 7/21

6:25 pm-5:22 pm

2 stops27h 57m

$1,052

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sat 7/12

10:15 am-8:35 am

2 stops17h 20m

Southampton Eastleigh

Mon 7/21

8:00 pm-11:45 am

1 stop20h 45m

$1,136

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/25

12:02 pm-8:45 am

2 stops15h 43m

Southampton Eastleigh

Fri 8/1

9:20 am-9:34 pm

2 stops17h 14m

$1,292

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/25

3:20 pm-3:45 pm

2 stops19h 25m

Southampton Eastleigh

Fri 8/1

4:15 pm-1:59 pm

3 stops26h 44m

$1,488

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 6/19

7:50 pm-11:55 am

2 stops35h 05m

Southampton Eastleigh

Mon 6/30

8:00 pm-11:40 am

1 stop20h 40m

$1,782

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/11

11:16 am-8:35 am

3 stops40h 19m

$430

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Fri 7/11

5:40 pm-8:35 am

2 stops33h 55m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $787). Flying from Philadelphia to Southampton in June is currently the most expensive (average of $1,308). 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.

What is the cheapest time of day to fly from PHL to SOU?

Find hourly flight availability from Philadelphia to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Philadelphia to Southampton, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 18% versus a flight in the morning.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,117 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,008 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Philadelphia to Southampton round-trip?

    According to our current data, Delta ($1,052), Aer Lingus ($1,136), and KLM ($1,292) 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 $787). Flying from Philadelphia to Southampton in June is currently the most expensive (average of $1,308). 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.
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Top 2 airlines flying from Philadelphia to Southampton

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$739Average$1,054FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$792Average$1,047FlexibilityNo cancel feeOn-timeN/A

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