Cheap flights from Allentown, PA to Indianapolis, IN
Flights starting at £95. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, United Airlines, and WestJet. Allentown and Indianapolis have 82 direct flights per week.
Check-in for a flight from Allentown to Indianapolis
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 |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Indianapolis
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 1°C | -5°C |
February | 4°C | -3°C |
March | 10°C | 1°C |
April | 16°C | 6°C |
May | 22°C | 13°C |
June | 26°C | 17°C |
July | 28°C | 19°C |
August | 27°C | 18°C |
September | 25°C | 15°C |
October | 18°C | 8°C |
November | 10°C | 2°C |
December | 4°C | -1°C |
14 day forecast
Frequently asked questions
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Flights from Allentown
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Flights to Indianapolis
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Popular routes
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Airports near Allentown
- John F. Kennedy International
- Newark Liberty International
- LaGuardia
- Philadelphia International
- Baltimore–Washington International
- Washington Dulles International
- New York Stewart International Airport
- Ronald Reagan Washington National
- Long Island MacArthur
- Lehigh Valley International