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Cheap flights from Seattle to Sioux City from $170

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:55 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 48m1 stop Denver Intl
United Airlines Logo
8:35 am - 9:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
14h 40m2 stops Chicago O'Hare Intl Denver Intl
$350United Airlines
Sat, Sep 26 - Tue, Oct 6
United Airlines Logo
1:22 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
8h 21m2 stops San Francisco Denver Intl
United Airlines Logo
8:35 am - 9:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
14h 40m2 stops Chicago O'Hare Intl Denver Intl
$355United Airlines
Sat, Sep 26 - Tue, Oct 6
United Airlines Logo
3:49 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 54m1 stop Denver Intl
United Airlines Logo
6:45 pm - 11:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 30m1 stop Denver Intl
$414United Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
3:49 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 54m1 stop Denver Intl
United Airlines Logo
6:45 pm - 11:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 30m1 stop Denver Intl
$414United Airlines
Fri, Oct 30 - Sun, Nov 1
United Airlines Logo
3:55 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 48m1 stop Denver Intl
United Airlines Logo
8:35 am - 4:05 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
9h 30m1 stop Chicago O'Hare Intl
$419United Airlines
Sat, Sep 26 - Tue, Oct 6
United Airlines Logo
10:40 am - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
11h 03m2 stops San Francisco Denver Intl
United Airlines Logo
6:45 pm - 11:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 30m1 stop Denver Intl
$424United Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
3:49 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 54m1 stop Denver Intl
United Airlines Logo
6:45 pm - 11:15 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 30m1 stop Denver Intl
$434United Airlines
Fri, Oct 30 - Sun, Nov 1

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United Airlines flights from Seattle to Sioux City

Our best United Airlines deals on Seattle to Sioux City flight tickets
United Airlines
Sep 26
SEA3:55 pmSeattle/Tacoma Intl
5h 48m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Oct 6
SUX8:35 amSioux City Sioux Gateway
14h 40m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$350
United Airlines
Sep 26
SEA1:22 pmSeattle/Tacoma Intl
8h 21m
2 stops
SUX11:43 pmSioux City Sioux Gateway
Oct 6
SUX8:35 amSioux City Sioux Gateway
14h 40m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$355
United Airlines
Oct 30
SEA3:49 pmSeattle/Tacoma Intl
5h 54m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Nov 1
SUX6:45 pmSioux City Sioux Gateway
6h 30m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
$414

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Sioux City that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Sat 9/26

3:55 pm-11:43 pm

1 stop5h 48m

Sioux City Sioux Gateway

Tue 10/6

8:35 am-9:15 pm

2 stops14h 40m

$350

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Sat 9/26

1:22 pm-11:43 pm

2 stops8h 21m

Sioux City Sioux Gateway

Tue 10/6

8:35 am-9:15 pm

2 stops14h 40m

$355
Quickest round-trip

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Wed 10/28

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sun 11/1

6:45 pm-11:15 pm

1 stop6h 30m

$414

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Fri 10/30

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sun 11/1

6:45 pm-11:15 pm

1 stop6h 30m

$414

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Sat 9/26

3:55 pm-11:43 pm

1 stop5h 48m

Sioux City Sioux Gateway

Tue 10/6

8:35 am-4:05 pm

1 stop9h 30m

$419

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Wed 10/28

10:40 am-11:43 pm

2 stops11h 03m

Sioux City Sioux Gateway

Sun 11/1

6:45 pm-11:15 pm

1 stop6h 30m

$424

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Fri 10/30

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sun 11/1

6:45 pm-11:15 pm

1 stop6h 30m

$434
Cheapest one-way

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Tue 9/29

7:00 am-5:53 pm

1 stop8h 53m

$170

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Tue 9/29

9:05 am-11:43 pm

2 stops12h 38m

$180

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Sat 9/19

1:16 pm-11:43 pm

2 stops8h 27m

$234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Sioux City from

How to get the cheapest flight ticket from Seattle to Sioux City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Sioux City Sioux Gateway

What airlines fly to Sioux City?

Alaska Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Sioux City from Seattle according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 5 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Sioux City

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Sioux City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Sioux City (SEA to SUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sioux City

Best Price Found

$170

Fastest flight time

5h 48m

Direct flights

None
The best one-way flight to Sioux City from Seattle in the past 72 hours is $170. The best round-trip flight deal from Seattle to Sioux City found on momondo in the last 72 hours is $350.
The fastest flight from Seattle to Sioux City takes 5h 48m
There are no direct flights from Seattle to Sioux City. There are no popular flight routes from Seattle to Sioux City.
Search flight deals

Frequently asked questions about flying from Seattle to Sioux City

  • How far is Seattle/Tacoma Intl to Sioux City Sioux Gateway by plane?

    Sioux City Sioux Gateway is 1306.6 mi away from Seattle/Tacoma Intl. Typically, this will take 5h 48m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The travel and health documents you'll need for your trip to Sioux City Sioux Gateway Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Sioux City?

Best airlines flying from Seattle to Sioux City

Compare and see reviews for airlines that fly from Seattle to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $253Free CancellationRating
7.4
10,171 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Sioux City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Sioux City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Sioux City with flexible booking policies on momondo?

Flights from Seattle to Sioux City with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Sioux City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Sioux City.

I’m not ready to book a flight from Seattle to Sioux City right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sioux City, momondo offers a useful price alert feature which will track prices for flights to Sioux City from Seattle and alert you when they change.

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