Cheap flights from St. Louis, MO to Philadelphia, PA
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Tips to know when travelling to Philadelphia
Cheapest one-way trip | $199 |
---|---|
Cheapest round-trip | $490 |
Average round-trip | $517 |
Most popular airline | United Airlines |
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The most popular airline for this route is United Airlines. St. Louis and Philadelphia have 40 direct flights per week. When you arrive at Philadelphia, consider visiting Staten Island, Statue of Liberty, National Mall, Empire State Building, Metropolitan Museum of Art, Manhattan Island, Independence National Historical Park, PA, USA, Times Square, and Lincoln Memorial.
Check-in for a flight from St. Louis to Philadelphia
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes |
Online check-in is not available for these airlines.
Weather in Philadelphia
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -2°C |
February | 6°C | -1°C |
March | 10°C | 2°C |
April | 16°C | 7°C |
May | 22°C | 13°C |
June | 27°C | 17°C |
July | 30°C | 21°C |
August | 29°C | 20°C |
September | 25°C | 17°C |
October | 19°C | 11°C |
November | 12°C | 4°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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