Cheap flights from Harrisburg, PA to St. Louis, MO
Flights starting at $95. Choose between United Airlines, Frontier Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to St. Louis
Cheapest one-way trip | $95 |
---|---|
Cheapest round-trip | $426 |
Includes rare itinerary | |
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Frontier Airlines, Allegiant Air, Spirit Airlines, and Southern Airways Express. Harrisburg and St. Louis have 76 direct flights per week.
Check-in for a flight from Harrisburg to St. Louis
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Southern Airways Express | FDY | 9X | Yes | No |
Travel tips & how to get from Harrisburg to St. Louis
The cheapest price of a one-way ticket from Harrisburg to St. Louis is $95. Round trip fares cost between $322 at the lowest and $419 at most.Weather in St. Louis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 3°C | -3°C |
February | 6°C | -2°C |
March | 13°C | 3°C |
April | 18°C | 8°C |
May | 24°C | 14°C |
June | 29°C | 19°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 27°C | 16°C |
October | 20°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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Airports near Harrisburg
- Newark Liberty International
- Philadelphia International
- Baltimore–Washington International
- Washington Dulles International
- Ronald Reagan Washington National
- Lehigh Valley International
- Trenton–Mercer
- Atlantic City International
- Harrisburg International
- Wilkes-Barre/Scranton International