What’s the cost of a flight from Sioux City to Seattle?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Sioux City and Seattle.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Airport options between Sioux City and Seattle

Even for routes around 2106 km, using different airports might affect flight cost and travel time.

• Airports in Sioux City: Only Sioux City - Sioux Gateway operates here.
• Airports in Seattle: Seattle offers flights from 2 airports - Boeing Field, Lake Union.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Find the best flight from Sioux City to Seattle

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Sioux City – Seattle flights.