How long is the flight from Southampton to Philadelphia?

Aer Lingus and British Airways can get you from Southampton to Philadelphia in just under 11h 50m. Your travel time can differ by up to . The distance from Southampton to Philadelphia is about 3507 mi.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, 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 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Philadelphia as you normally would.

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

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

How can I find direct flights from Southampton to Philadelphia?

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

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

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

£620+ Cheap Flights from Southampton to Philadelphia

Cheap flight deals from Southampton to Philadelphia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Southampton to Philadelphia
Explore the most affordable flight options available from Southampton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Mon 26/1009:20 -

1 stop11h 50m

Mon 2/1117:40 -

1 stop10h 10m

Deal found 11/9£620

Wed 9/1209:20 -

1 stop11h 50m

Mon 14/1217:40 -

1 stop10h 10m

Deal found 14/9£631

Tue 27/1020:00 -

1 stop25h 10m

Tue 3/1120:50 -

1 stop17h 40m

Deal found 12/9£632

Fri 30/1020:00 -

1 stop22h 50m

Fri 6/1120:50 -

1 stop10h 05m

Deal found 15/9£699

Mon 26/1009:20 -

1 stop11h 50m

Mon 2/1119:40 -

2 stops18h 30m

Deal found 11/9£728

Mon 26/1017:45 -

2 stops33h 23m

Mon 2/1116:00 -

2 stops35h 10m

Deal found 11/9£746

Fri 30/1017:35 -

2 stops30h 55m

Fri 6/1116:29 -

2 stops19h 21m

Deal found 15/9£758

Find flight deals from Southampton to Philadelphia

Round-trip from	£620
Popular in	August
Cheapest in	January
Average price	£659

Aer Lingus
26/10-2/11
2 total stops
22h 00m total
Southampton to Philadelphia

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£65 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Mon 26/10

09:20-17:10

1 stop11h 50m

Philadelphia

Mon 2/11

17:40-08:50

1 stop10h 10m

£620

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Wed 9/12

09:20-16:10

1 stop11h 50m

Philadelphia

Mon 14/12

17:40-08:50

1 stop10h 10m

£631

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Tue 27/10

20:00-14:50

1 stop22h 50m

Philadelphia

Tue 3/11

18:35-14:35

2 stops15h 00m

£669

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Fri 30/10

20:00-14:50

1 stop22h 50m

Philadelphia

Fri 6/11

20:50-11:55

1 stop10h 05m

£699

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Mon 26/10

09:20-17:10

1 stop11h 50m

Philadelphia

Mon 2/11

19:40-19:10

2 stops18h 30m

£728

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Mon 26/10

17:45-23:08

2 stops33h 23m

Philadelphia

Mon 2/11

16:00-08:10

2 stops35h 10m

£746

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Fri 30/10

17:35-20:30

2 stops30h 55m

Philadelphia

Fri 6/11

16:29-16:50

2 stops19h 21m

£758

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Tue 27/10

08:40-23:08

3 stops18h 28m

Philadelphia

Tue 3/11

12:32-08:10

3 stops38h 38m

£991

Fastest return journey

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Sat 3/10

09:20-18:55

1 stop14h 35m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£998

SouthamptonPhiladelphia

SOU Southampton Eastleigh - PHL Philadelphia

SOUPHL

Southampton Eastleigh

Sun 27/9

20:00-11:55

1 stop20h 55m

Philadelphia

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,000

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Southampton to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Southampton with our price prediction graph.

SOU-PHL

Estimated return 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

How long is the flight from Southampton to Philadelphia?
Aer Lingus and British Airways can get you from Southampton to Philadelphia in just under 11h 50m. Your travel time can differ by up to . The distance from Southampton to Philadelphia is about 3507 mi.
Can I find deals for flights from Southampton to Philadelphia that include hotel bookings?
Yes. In addition to deals on Southampton to Philadelphia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Philadelphia.
Can I find deals for business class flights from Southampton to Philadelphia?
Yes. Cheapflights offers flight deals from Southampton to Philadelphia 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

King of Prussia

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Cheapflights makes it easy to find Southampton to Philadelphia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Can Cheapflights find flights from Southampton to Philadelphia with no change fees?

Certainly. Search results for flights to Philadelphia from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southampton to Philadelphia become cheaper?

Yes! Start tracking prices for Southampton to Philadelphia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Southampton to Philadelphia from £620

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Philadelphia

Cheapest flights from Southampton to PhiladelphiaExplore the most affordable flight options available from Southampton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Explore the most affordable flight options available from Southampton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from Southampton to PhiladelphiaDiscover carefully curated flight deals from Southampton to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Discover carefully curated flight deals from Southampton to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Southampton to PhiladelphiaDiscover last-minute flight deals from Southampton to Philadelphia. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Philadelphia. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Southampton to PhiladelphiaSearch for one-way flight options from Southampton to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Search for one-way flight options from Southampton to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Find flight deals from Southampton to Philadelphia

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Cheapflights Fare Finder

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

Best time to book a flight from Southampton to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Southampton with our price prediction graph.

Related info for your journey

How long is the flight from Southampton to Philadelphia?

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

How can I find direct flights from Southampton to Philadelphia?

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

Travelling to a place near Philadelphia?

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.

Alternative routes for Southampton to Philadelphia

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

Complete your trip

Complete your trip to Philadelphia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Pennsylvania

Book a non-stop flight to one of these other cities located in Pennsylvania.

Search flights from Southampton to Philadelphia by cabin class

Find flights from Southampton to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and Philadelphia flights

Browse other Southampton and Philadelphia flight options. Last updated on 15 September 2026.

Other flights from Southampton

Browse through other flights departing from Southampton. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.

Other flights to Philadelphia

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How does Cheapflights help users find flights from Southampton to Philadelphia?

Why should you use Cheapflights to find cheap flight tickets from Southampton to Philadelphia?

Can Cheapflights find flights from Southampton to Philadelphia with no change fees?

Can Cheapflights notify me if prices for flights from Southampton to Philadelphia become cheaper?

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Cheapest flights from Southampton to Philadelphia
Explore the most affordable flight options available from Southampton to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.

Best flights from Southampton to Philadelphia
Discover carefully curated flight deals from Southampton to Philadelphia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Southampton to Philadelphia
Discover last-minute flight deals from Southampton to Philadelphia. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Southampton to Philadelphia
Search for one-way flight options from Southampton to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.