The cheapest times to fly from SUX to SEA are
- January 1st to March 4th
- April 23rd to May 6th
- August 13th to November 18th
- early December
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SUX to SEA is late January and early February. Prices can be as high as $970 for Sunday flights during late June, or as low as $234 for Tuesday flights around late January and early February.
When to Fly to Seattle
Flying from Sioux City, IA (SUX) to Seattle, WA (SEA) will usually cost between $246 to $714 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $253. Due to high demand the most expensive time to fly is late June, with an average price of $658. Planning your trip to low-cost times can easily save you $405 on economy flights and even more on first-class flights. Generally, any price below $392 can be considered a good price for a round-trip SUX to SEA flight.
See below for a graph of average weekly prices for the SUX to SEA route. All prices are for round-trip tickets in USD.
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Compared to other flights, the SUX to SEA flight is much cheaper than the average and costs less than the average flight leaving from Sioux City. The average price per mile (for a direct flight) is $0.19, which is below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $275 (47%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $310. Return trip prices are from the SEA to SUX flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from SUX to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 20 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from SUX to SEA? We’ve got answers.
Which airlines fly this route?
You can find 2 major airlines flying this route most often: Alaska, American, and potentially more during busy seasons.
How far away is it from Seattle/Tacoma International Airport to Sioux Gateway/Col. Bud Day Field Airport?
The distance between the two airports is roughly 1308 miles or 2105 kilometers.
How long does it take to fly from SUX to SEA?
The real-world flight time for a nonstop SUX to SEA flight is about 3 hour 20 minutes.
How many flights go between Sioux City, IA and Seattle, WA?
It depends on the day of the week and the date, but a typical day might have around 44 available flights from SUX to SEA.
Airport Location Info
Departing Airport
Origination code | SUX |
Origination airport name | Sioux Gateway/Col. Bud Day Field Airport |
City | Sioux City, IA |
Country | the United States |
Latitude | 42.4 |
Longitude | -96.4 |
Return Airport
Destination code | SEA |
Destination airport name | Seattle/Tacoma International Airport |
City | Seattle, WA |
Country | the United States |
Latitude | 47.5 |
Longitude | -122.3 |
Other Resources
Flights to SEA
Flights from SEA
Popular Flights
Flights to SUX
Flights from SUX
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.