SUX - SEA

$295 Find Cheap Flights from Sioux City to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux City to Seattle departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux City to Seattle, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Sioux City to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux City to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Sioux City to Seattle

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sioux City to Seattle.
Discover the best prices for you by selecting your travel dates on KAYAK.
United Airlines Logo
10:10 am - 4:20 pmSUX-SEA
8h 10m1 stop
United Airlines Logo
8:58 am - 5:15 pmSEA-SUX
6h 17m1 stop
$360United Airlines
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Thu, Jun 12 - Wed, Jun 18
United Airlines Logo
6:35 pm - 10:30 pmSUX-SEA
5h 55m1 stop
United Airlines Logo
6:45 am - 6:18 pmSEA-SUX
9h 33m2 stops
$394United Airlines
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Tue, Jun 10 - Tue, Jul 1
United Airlines Logo
10:10 am - 4:20 pmSUX-SEA
8h 10m1 stop
United Airlines Logo
5:05 am - 5:15 pmSEA-SUX
10h 10m2 stops
$411United Airlines
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Thu, Jun 12 - Wed, Jun 18
United Airlines Logo
6:35 pm - 6:25 pmSUX-SEA
25h 50m2 stops
United Airlines Logo
6:45 am - 6:18 pmSEA-SUX
9h 33m2 stops
$462United Airlines
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Tue, Jun 10 - Tue, Jul 1
United Airlines Logo
6:35 pm - 10:30 pmSUX-SEA
5h 55m1 stop
United Airlines Logo
8:57 am - 6:18 pmSEA-SUX
7h 21m1 stop
$474United Airlines
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Tue, Jun 10 - Tue, Jul 1
United Airlines Logo
6:35 pm - 10:30 pmSUX-SEA
5h 55m1 stop
United Airlines Logo
1:49 pm - 10:40 pmSEA-SUX
6h 51m1 stop
$484United Airlines
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Sun, Jun 8 - Wed, Jun 11
United Airlines Logo
6:35 pm - 10:30 pmSUX-SEA
5h 55m1 stop
United Airlines Logo
8:58 am - 10:40 pmSEA-SUX
11h 42m2 stops
$489United Airlines
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Sun, Jun 8 - Wed, Jun 11
United Airlines Logo
6:35 pm - 9:11 pmSUX-SEA
28h 36m3 stops
United Airlines Logo
6:45 am - 6:18 pmSEA-SUX
9h 33m2 stops
$492United Airlines
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Tue, Jun 10 - Tue, Jul 1
United Airlines Logo
6:53 pm - 10:59 pmSUX-SEA
6h 06m1 stop
United Airlines Logo
7:34 pm - 10:40 pmSEA-SUX
25h 06m2 stops
$563United Airlines
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Thu, Jul 31 - Thu, Aug 7
United Airlines Logo
10:10 am - 12:59 amSUX-SEA
16h 49m2 stops
United Airlines Logo
7:34 pm - 10:40 pmSEA-SUX
25h 06m2 stops
$603United Airlines
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Thu, Jul 31 - Thu, Aug 7
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KAYAK's insights & trends for Sioux City to Seattle flights

Get data-powered insights and trends into flights from Sioux City to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Sioux City to Seattle?

The average price of all round-trip flights from Sioux City to Seattle clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Sioux City to Seattle, look for departures on Tuesdays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Wednesday is the most expensive.

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Good to know

Cheapest flight$295
Flight from Sioux City to Seattle

When to book flights from Sioux City to Seattle

Are your dates flexible? Find out the best times to travel from Sioux City to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sioux City to Seattle

  • What is the cheapest flight from Sioux City to Seattle?

    In the last 3 days, the lowest price for a flight from Sioux City to Seattle was $295 for a one-way ticket and $360 for a round-trip.

  • Do I need a passport to fly between Sioux City and Seattle?

    No

  • Which airports will I be using when flying from Sioux City to Seattle?

    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.

  • Which aircraft models fly most regularly from Sioux City to Seattle?

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

  • Which airline alliances offer flights from Sioux City to Seattle?

    Star Alliance is the only airline alliance operating flights between Sioux City and Seattle.

  • How does KAYAK find such low prices on flights from Sioux City to Seattle?

    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.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket 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.

  • What is the Hacker Fare option on flights from Sioux City to Seattle?

    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.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux City to Seattle?

    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.

Everything you need to know for your flight from Sioux City to Seattle

Information on your arrival and departure airports

Seattle (SEA)
Sioux City (SUX)

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