Cheap flights from Sioux Falls, SD to Seattle, WA
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Cheapest one-way trip | $259 |
---|---|
Cheapest round-trip | $806 |
Most popular airline | United Airlines |
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Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are United Airlines, and Alaska Airlines. Sioux Falls and Seattle have 39 direct flights per week.
Check-in for a flight from Sioux Falls to Seattle
Name | Carrier code | IATA Code | Passport needed during booking | |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | |
Alaska Airlines | ASA | AS | No |
Online check-in is not available for these airlines.
Weather in Seattle
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 1°C |
March | 10°C | 3°C |
April | 13°C | 4°C |
May | 18°C | 8°C |
June | 21°C | 10°C |
July | 25°C | 13°C |
August | 26°C | 14°C |
September | 22°C | 11°C |
October | 15°C | 7°C |
November | 10°C | 4°C |
December | 6°C | 1°C |
14 day forecast
Frequently asked questions
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