$282 Find Cheap Flights from Sioux City to Seattle - Compare and Save

In the last 5 days, the lowest price for a flight from Sioux City to Seattle was $282 for a one-way ticket and $334 for a round-trip.

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Sioux City and Seattle are both served by 1 main airport. You will leave Sioux City from Sioux City Sioux Gateway and will be arriving at Seattle/Tacoma Intl.

We unfortunately don’t have that data for this specific route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux City to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Sioux City is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Sioux City with another airline. Booking your flights between Sioux City and SEA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Sioux City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.