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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
1:19 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
8h 24m2 stops San Francisco Denver Intl
United Airlines Logo
6:58 pm - 10:59 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 01m1 stop Denver Intl
$334United Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
7:00 am - 5:53 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
8h 53m1 stop Chicago O'Hare Intl
United Airlines Logo
6:58 pm - 10:59 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 01m1 stop Denver Intl
$343United Airlines
Wed, Oct 7 - Wed, Oct 14
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
6:00 am - 8:47 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
16h 47m2 stops Chicago O'Hare Intl San Francisco
$345United Airlines
Thu, Oct 29 - Sat, Oct 31
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
6:00 am - 8:47 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
16h 47m2 stops Chicago O'Hare Intl San Francisco
$364United Airlines
Thu, Oct 29 - Sat, Oct 31
United Airlines Logo
7:00 am - 6:10 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
9h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 8:47 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
16h 47m2 stops Chicago O'Hare Intl San Francisco
$364United Airlines
Fri, Oct 30 - Sat, Oct 31
United Airlines Logo
9:05 am - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
12h 38m2 stops San Francisco Denver Intl
United Airlines Logo
6:00 am - 8:47 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
16h 47m2 stops Chicago O'Hare Intl San Francisco
$400United Airlines
Thu, Oct 29 - Sat, Oct 31
United Airlines Logo
2:34 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
7h 09m1 stop Denver Intl
United Airlines Logo
6:58 pm - 10:59 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
6h 01m1 stop Denver Intl
$414United Airlines
Wed, Sep 23 - Sun, Sep 27
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
3:49 pm - 11:43 pmSEA  Seattle/Tacoma Intl-SUX Sioux City Sioux Gateway
5h 54m1 stop Denver Intl
United Airlines Logo
6:00 am - 12:19 pmSUX  Sioux City Sioux Gateway-SEA Seattle/Tacoma Intl
8h 19m1 stop Chicago O'Hare Intl
$420United Airlines
Thu, Oct 29 - Sat, Oct 31

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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
Oct 7
SEA1:19 pmSeattle/Tacoma Intl
8h 24m
2 stops
SUX11:43 pmSioux City Sioux Gateway
Oct 14
SUX6:58 pmSioux City Sioux Gateway
6h 01m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$334
United Airlines
Oct 7
SEA7:00 amSeattle/Tacoma Intl
8h 53m
1 stop
SUX5:53 pmSioux City Sioux Gateway
Oct 14
SUX6:58 pmSioux City Sioux Gateway
6h 01m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$343
United Airlines
Oct 29
SEA3:49 pmSeattle/Tacoma Intl
5h 54m
1 stop
SUX11:43 pmSioux City Sioux Gateway
Oct 31
SUX6:00 amSioux City Sioux Gateway
16h 47m
2 stops
SEA8:47 pmSeattle/Tacoma Intl
$345

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Wed 10/7

1:19 pm-11:43 pm

2 stops8h 24m

Sioux City Sioux Gateway

Wed 10/14

6:58 pm-10:59 pm

1 stop6h 01m

$334

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Wed 10/7

7:00 am-5:53 pm

1 stop8h 53m

Sioux City Sioux Gateway

Wed 10/14

6:58 pm-10:59 pm

1 stop6h 01m

$343

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Thu 10/29

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sat 10/31

6:00 am-8:47 pm

2 stops16h 47m

$345

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Thu 10/29

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sat 10/31

6:00 am-8:47 pm

2 stops16h 47m

$364

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Fri 10/30

7:00 am-6:10 pm

1 stop9h 10m

Sioux City Sioux Gateway

Sat 10/31

6:00 am-8:47 pm

2 stops16h 47m

$364

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Thu 10/29

9:05 am-11:43 pm

2 stops12h 38m

Sioux City Sioux Gateway

Sat 10/31

6:00 am-8:47 pm

2 stops16h 47m

$400

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Wed 9/23

2:34 pm-11:43 pm

1 stop7h 09m

Sioux City Sioux Gateway

Sun 9/27

6:58 pm-10:59 pm

1 stop6h 01m

$414
Quickest round-trip

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

Thu 10/29

3:49 pm-11:43 pm

1 stop5h 54m

Sioux City Sioux Gateway

Sat 10/31

6:00 am-12:19 pm

1 stop8h 19m

$420
Cheapest one-way
Quickest one-way

SeattleSioux City

SEA Seattle/Tacoma Intl - SUX Sioux City Sioux Gateway

SEASUX

Seattle/Tacoma Intl

Thu 10/29

3:49 pm-11:43 pm

1 stop5h 54m

$170

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 54m

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 $334.
The fastest flight from Seattle to Sioux City takes 5h 54m
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 54m 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
10,194 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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