Cheap flights from Philadelphia (PHL)

American Airlines transatlantic hub for the U.S. mid-Atlantic

Philadelphia International sits about 12 km southwest of Center City Philadelphia and is American Airlines' primary East Coast transatlantic hub. American operates the dominant share of flights, with Delta, United, Southwest, Frontier and Spirit competing on domestic routes. International service includes London, Paris, Frankfurt, Madrid, Doha (Qatar Airways) and seasonal additions across Europe and the Caribbean.

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Airlines flying from Philadelphia (PHL)

Major carriers: American, Delta, United, Southwest, British Airways. Low-cost carriers: Frontier, Spirit, Southwest, JetBlue.

Popular destinations from Philadelphia (PHL)

Frequently asked questions

What is the cheapest month to fly from Philadelphia?
Late January, February and early September are the softest fare months at PHL, with transatlantic fares to London and Paris dropping sharply in the Jan-Feb window. Flightmussy's 12-month fare heatmap shows the exact cheapest week per route, often well below shoulder-season averages.
Which airlines fly out of PHL?
American Airlines runs the biggest hub operation, joined by Delta, United, Southwest, JetBlue, Frontier, Spirit, British Airways, Lufthansa, Air France, Qatar Airways and Aer Lingus. Flightmussy compares all of them in one free, no-signup search without hiding LCC fares behind filters.
How far is Philadelphia Airport from Center City?
PHL sits about 12 km southwest of Center City Philadelphia. SEPTA's Airport Line regional rail runs directly from every terminal to Center City stations in roughly 25 minutes, making it one of the cheapest and most reliable airport transfers in the U.S.
Are there direct flights from PHL to London?
Yes — American Airlines and British Airways both operate multiple daily nonstops to London Heathrow. Aer Lingus offers a one-stop via Dublin with U.S. preclearance. Flightmussy compares all three side-by-side and the 12-month heatmap surfaces the cheapest week of the year.

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