
$282 Cheap United flights St. Louis (STL) to Philadelphia (PHL)
$282 Cheap United flights St. Louis (STL) to Philadelphia (PHL)
Prices were available within the past 7 days and start at $282 for one-way flights and $397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 24 - Thu, May 28
STL
St. Louis
PHL
Philadelphia
$397 Roundtrip, found 10 hours ago
$397
Roundtrip
found 10 hours ago
Alternative airports near Philadelphia
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport | Philadelphia Intl. |
Airlines serving | American Airlines, Delta, Frontier Airlines, Southwest Airlines, United |
Popular airline | Frontier Airlines |
Distance | 1298 km |
Average flight time | 3 hours 14 mins |
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Most Popular United Routes from St. Louis
Most Popular United Routes from Philadelphia
- Atlanta to San Juan (ATL - SJU)
- Madison to El Paso (MSN - ELP)
- Corpus Christi to Rome (CRP - FCO)
- Corpus Christi to Rome (CRP - FCO)
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- Syracuse to El Paso (SYR - ELP)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Missoula to State College (MSO - SCE)
- Newark Liberty Intl. Airport to London (EWR - LHR)
- Dayton to Los Angeles (DAY - LAX)
Popular Domestic Routes in Philadelphia Intl.
- Missoula to State College (MSO - SCE)
- Ontario Intl. Airport to Missoula (ONT - MSO)
- Atlanta to Miami (ATL - MIA)
- Washington to Delhi (IAD - DEL)
- Honolulu to Baltimore (HNL - BWI)
- Seattle to Carlsbad (SEA - CLD)
- Las Vegas to Dayton (LAS - DAY)
- Newark Liberty Intl. Airport to London (EWR - LHR)
- Burlington to Missoula (BTV - MSO)
- Dayton to Los Angeles (DAY - LAX)