Cheap flights from San Antonio, TX to Allentown, PA
Flights starting at $86. Choose between Allegiant Air, Spirit Airlines, or United Airlines to find the best price.
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Tips to know when travelling to Allentown
Cheapest one-way trip | $332 |
---|---|
Cheapest round-trip | $395 |
Most popular airline | Allegiant Air |
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, United Airlines, Frontier Airlines, and JetBlue Airways. San Antonio and Allentown have 99 direct flights per week.
Check-in for a flight from San Antonio to Allentown
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
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 |
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Allentown
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 2°C | -5°C |
February | 4°C | -4°C |
March | 8°C | 0°C |
April | 15°C | 4°C |
May | 20°C | 10°C |
June | 25°C | 14°C |
July | 29°C | 18°C |
August | 28°C | 17°C |
September | 24°C | 13°C |
October | 17°C | 8°C |
November | 10°C | 1°C |
December | 5°C | -1°C |
14 day forecast
Frequently asked questions
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