Cheap flights from Saint Thomas, United States to Sioux City, IA
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Tips to know when travelling to Sioux City
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, and Cape Air. Saint Thomas and Sioux City have 16 direct flights per week.
Check-in for a flight from Saint Thomas to Sioux City
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | |
Cape Air | KAP | 9K | Yes |
Online check-in is not available for these airlines.
Weather in Sioux City
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -2°C | -10°C |
February | 0°C | -8°C |
March | 9°C | 0°C |
April | 15°C | 4°C |
May | 21°C | 11°C |
June | 27°C | 16°C |
July | 29°C | 18°C |
August | 28°C | 17°C |
September | 25°C | 13°C |
October | 16°C | 6°C |
November | 9°C | 0°C |
December | 1°C | -6°C |
14 day forecast
Frequently asked questions
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