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$525+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SOU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$800
(Delta)

One-way from

$525
(KLM)

Popular in

June

Cheapest in

February

Average price

$675
Provider with most accurate pricing for Philadelphia-Southampton Eastleigh flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Southampton Eastleigh flights.
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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 ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 3/2611:00 amPHL - SOU
2 stops25h 50mDelta
Tue 4/15:35 pmSOU - PHL
2 stops32h 40mDelta
Deal found 2/20$794
This EaseMyTrip deal was found by Cheapflights users on 2/20. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/612:28 pmPHL - SOU
2 stops39h 22mMultiple Airlines
Sun 4/136:25 pmSOU - PHL
2 stops28h 35mMultiple Airlines
Deal found 2/20$949
This EaseMyTrip deal was found by Cheapflights users on 2/20. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/68:15 amPHL - SOU
2 stops19h 55mAer Lingus
Sun 4/138:00 pmSOU - PHL
1 stop20h 40mAer Lingus
Deal found 2/20$998
This KLM deal was found by Cheapflights users on 2/20. 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.
Thu 6/197:20 pmPHL - SOU
2 stops16h 40mKLM
Mon 6/309:20 amSOU - PHL
2 stops18h 15mKLM
Deal found 2/20$1,403
This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:30 pmPHL - SOU
1 stop10h 15mBritish Airways
Wed 3/128:55 amSOU - PHL
2 stops33h 10mBritish Airways
Deal found 2/20$1,474

Find flights from Philadelphia to Southampton within your budget

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 20, 2025.

Fly from

Philadelphia

Fly to

Southampton

Route

Depart

Return

Price

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Wed 3/26

11:00 am-4:50 pm

2 stops25h 50m

Southampton Eastleigh

Tue 4/1

5:35 pm-9:15 pm

2 stops32h 40m

$794

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sun 4/6

12:28 pm-8:50 am

2 stops39h 22m

Southampton Eastleigh

Sun 4/13

6:25 pm-6:00 pm

2 stops28h 35m

$949

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Sun 4/6

8:15 am-9:10 am

2 stops19h 55m

Southampton Eastleigh

Sun 4/13

8:00 pm-11:40 am

1 stop20h 40m

$998

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Thu 6/19

7:20 pm-5:00 pm

2 stops16h 40m

Southampton Eastleigh

Mon 6/30

9:20 am-10:35 pm

2 stops18h 15m

$1,403

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 3/4

5:30 pm-8:45 am

1 stop10h 15m

Southampton Eastleigh

Wed 3/12

8:55 am-2:05 pm

2 stops33h 10m

$1,474

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 4/22

10:25 am-8:45 am

2 stops17h 20m

$525

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 4/22

7:00 am-4:35 pm

3 stops52h 35m

$568

PhiladelphiaSouthampton

PHL - SOU

PHLSOU

Philadelphia

Tue 4/22

8:30 pm-7:30 pm

1 stop18h 00m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 Accuracy3 starsTrust Score*1 star

*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.

Travel insights for flights from Philadelphia to Southampton

Get recent, data-driven insights about flights from Philadelphia to Southampton including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding 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.

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

    According to our current data, Delta ($800), Aer Lingus ($998), and KLM ($1,403) 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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$745Average$1,054FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$789Average$1,004FlexibilityNo cancel feeOn-timeN/A
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