Cheap flights from Seattle, WA to Sioux City, IA
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Cheapest one-way trip | £176 |
---|---|
Cheapest round-trip | £356 |
Most popular airline | United Airlines |
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Sioux City. The most popular airline for this route is United Airlines. Seattle and Sioux City have 12 direct flights per week.
Check-in for a flight from Seattle to Sioux City
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | 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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