Cheap flights from San Antonio, TX to Belleville, IL
Flights starting at $103. Choose between Allegiant Air, Spirit Airlines, or Frontier Airlines to find the best price.
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Tips to know when travelling to Belleville
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The most popular airlines for this route are Allegiant Air, Spirit Airlines, Frontier Airlines, JetBlue Airways, and Sun Country Airlines. San Antonio and Belleville have 65 direct flights per week.
Check-in for a flight from San Antonio to Belleville
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 |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Sun Country Airlines | SCX | SY | Yes | No |
Weather in Belleville
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 | 23°C | 14°C |
June | 29°C | 19°C |
July | 30°C | 20°C |
August | 29°C | 19°C |
September | 26°C | 16°C |
October | 19°C | 10°C |
November | 12°C | 3°C |
December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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