Cheap flights from Southampton to Philadelphia from £679

from as little as £679

7 nights in Philadelphia, departing Southampton on 01 / Sep / 2025 with KLM (price found 85 hours ago)

Subject to availability, prices correct of the last 24 hours
Philadelphia

The Southampton / Philadelphia route

All 5653 km of it

Cheap flight deals for this route

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No deals available at this time.

Philadelphia flight facts

What you need to know

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Philadelphia

01 / Sep / 2025 is currently the lowest priced day of the year to fly the Southampton/Philadelphia route. There are around 75 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-2 °C

AVG

14 °C

HIGHEST

30 °C

Rainfall (mm)
LOWEST

71 mm

AVG

98.1 mm

HIGHEST

123 mm

Key facts about Philadelphia

How to get cheap flights from Southampton to Philadelphia

Tips and advice from our flight experts

You’ve searched for flights from Southampton to Philadelphia. We've gone through all 75 flights that go to or via Philadelphia every week, to help you find the cheapest flight. KLM usually has the best-value flights from Southampton, but make sure you compare all your options to get the cheapest flight possible.

When you fly from Southampton to Philadelphia, you'll have four airlines to choose from for your 5653 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.

To sort cheap flights to Philadelphia, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Aer Lingus too, as they're the most popular airline for flying from Southampton to Philadelphia.

Flights from Southampton to Philadelphia normally take 14 hrs 40 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near Philadelphia

Where other people are flying to

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