HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$322+ Cheap flights from Washington to Sioux City (SUX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SUX
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Sioux City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Washington to Sioux City

Cheapest flights from Washington to Sioux City
Explore the most affordable flight options available from Washington to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/27:30 amPDX - SUX
2 stops32h 40mUnited Airlines
mié. 12/106:52 pmSUX - PDX
1 stop28h 23mUnited Airlines
Deal found 10/27$525
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/263:37 pmSEA - SUX
2 stops22h 18mUnited Airlines
mié. 12/37:50 amSUX - SEA
1 stop10h 17mUnited Airlines
Deal found 10/27$577
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:00 amGEG - SUX
2 stops10h 08mUnited Airlines
mar. 11/47:45 amSUX - GEG
2 stops9h 36mUnited Airlines
Deal found 10/26$589
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/167:00 amGEG - SUX
2 stops9h 10mUnited Airlines
lun. 12/297:50 amSUX - GEG
1 stop16h 40mUnited Airlines
Deal found 10/29$715
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/134:05 pmGEG - SUX
2 stops28h 54mUnited Airlines
lun. 11/177:45 amSUX - GEG
2 stops9h 36mUnited Airlines
Deal found 10/29$727
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:50 pmPSC - SUX
2 stops30h 09mUnited Airlines
lun. 11/176:46 pmSUX - PSC
1 stop20h 38mUnited Airlines
Deal found 10/29$745
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:50 pmPSC - SUX
2 stops30h 09mUnited Airlines
mié. 11/267:45 amSUX - PSC
2 stops17h 22mUnited Airlines
Deal found 10/29$847
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/132:50 pmPSC - SUX
2 stops30h 09mUnited Airlines
dom. 11/306:46 pmSUX - PSC
1 stop28h 16mUnited Airlines
Deal found 10/29$1,154

Cheap flight deals from Washington to Sioux City

Keep the following information in mind while searching for Washington to Sioux City flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$322
(United Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Sioux City Sioux Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sioux City Sioux Gateway flights.
Search Deals
From Washington to Sioux City Sioux Gateway
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
Use the filters below to find and compare flights from Washington to Sioux City that are best for you.

Fly from

Washington

Fly to

Sioux City

Route

Depart

Return

Price

SeattleSioux City

SEA - SUX

SEASUX

Seattle/Tacoma Intl

mar. 3/10

7:00 am-5:32 pm

1 stop8h 32m

Sioux City Sioux Gateway

mié. 3/11

6:00 am-10:03 am

1 stop6h 03m

$322

PortlandSioux City

PDX - SUX

PDXSUX

Portland

sáb. 2/21

7:00 am-5:41 pm

1 stop8h 41m

Sioux City Sioux Gateway

mié. 2/25

6:30 pm-10:59 pm

1 stop6h 29m

$334

PortlandSioux City

PDX - SUX

PDXSUX

Portland

mar. 12/2

7:30 am-6:10 pm

2 stops32h 40m

Sioux City Sioux Gateway

mié. 12/10

6:52 pm-9:15 pm

1 stop28h 23m

$525

PascoSioux City

PSC - SUX

PSCSUX

Pasco Tri Cities

mié. 3/4

5:00 am-10:39 am

1 stop27h 39m

Sioux City Sioux Gateway

sáb. 3/7

6:31 pm-7:49 pm

1 stop27h 18m

$557

SeattleSioux City

SEA - SUX

SEASUX

Seattle/Tacoma Intl

mié. 11/26

3:37 pm-3:55 pm

2 stops22h 18m

Sioux City Sioux Gateway

mié. 12/3

7:50 am-4:07 pm

1 stop10h 17m

$577

SpokaneSioux City

GEG - SUX

GEGSUX

Spokane

mar. 12/16

7:00 am-6:10 pm

2 stops9h 10m

Sioux City Sioux Gateway

lun. 12/29

7:50 am-10:30 pm

1 stop16h 40m

$715

PascoSioux City

PSC - SUX

PSCSUX

Pasco Tri Cities

jue. 11/13

2:50 pm-10:59 pm

2 stops30h 09m

Sioux City Sioux Gateway

lun. 11/17

6:46 pm-1:24 pm

1 stop20h 38m

$745

SpokaneSioux City

GEG - SUX

GEGSUX

Spokane

jue. 11/13

1:47 pm-10:59 pm

2 stops31h 12m

Sioux City Sioux Gateway

lun. 11/17

6:46 pm-12:45 pm

1 stop19h 59m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Washington to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Sioux City

What is the cheapest month to book a flight from State of Washington to Sioux City?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Sioux City (average of $99). Flying from State of Washington to Sioux City in September is currently the most expensive (average of $224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to SUX?

Find hourly flight availability from Washington to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

It’s typically best to fly out from State of Washington to Sioux City in the morning. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sioux City from Washington?

    For a flight from Washington to Sioux City, you will be flying into Sioux Gateway. Sioux City Sioux Gateway (SUX) is just 7.0 mi from the center of the city.

  • How long is the flight from State of Washington to Sioux City?

    A quick flight from State of Washington to Sioux City can take about 8h 32m. United Airlines provides one of the quickest options available for as low as $322. The distance between State of Washington and Sioux City is about 1308 mi.

  • What are the most popular routes from State of Washington to Sioux City?

    The most popular route from State of Washington to Sioux City is Seattle/Tacoma Intl - Sioux City Sioux Gateway. You may also consider Portland - Sioux City Sioux Gateway or Walla Walla - Sioux City Sioux Gateway.

  • Can I find deals for flights from Washington to Sioux City that include hotel bookings?

    Yes. In addition to deals on Washington to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Sioux City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Sioux City.

  • Can I find deals for business class flights from Washington to Sioux City?

    Yes. Cheapflights offers flight deals from Washington to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Sioux City?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Sioux City (average of $99). Flying from State of Washington to Sioux City in September is currently the most expensive (average of $224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Omaha flights
Denver to Omaha flights
O'Hare Intl to Omaha flights
LaGuardia to Omaha flights
Denver to Cedar Rapids flights
Denver to Des Moines flights
LaGuardia to Des Moines flights
John F Kennedy Intl to Omaha flights
Newark to Omaha flights
Seattle to Des Moines flights
Seattle to Omaha flights
Dallas/Fort Worth to Omaha flights
Ontario to Omaha flights
Dallas/Fort Worth to Des Moines flights
Sky Harbor Intl to Des Moines flights
John F Kennedy Intl to Des Moines flights
Minneapolis to Omaha flights
Midway to Omaha flights
Dallas/Fort Worth to Cedar Rapids flights
Los Angeles to Des Moines flights
John F Kennedy Intl to Cedar Rapids flights
Dulles Intl to Omaha flights
San Francisco to Omaha flights
Hobby to Omaha flights
Reagan-National to Omaha flights
Sky Harbor Intl to Omaha flights
Denver to Moline flights
Hobby to Des Moines flights
Newark to Cedar Rapids flights
LaGuardia to Cedar Rapids flights
Reagan-National to Cedar Rapids flights
Portland to Omaha flights
Portland to Cedar Rapids flights
Reagan-National to Des Moines flights
Atlanta to Omaha flights
Orlando to Omaha flights
George Bush Intcntl to Omaha flights
Atlanta to Des Moines flights
Detroit to Des Moines flights
Dulles Intl to Cedar Rapids flights
George Bush Intcntl to Des Moines flights
Baltimore to Omaha flights
Dulles Intl to Des Moines flights
O'Hare Intl to Des Moines flights
Newark to Des Moines flights
San Diego to Omaha flights
Baltimore to Cedar Rapids flights
West Palm Beach to Cedar Rapids flights
Detroit to Omaha flights
Santa Ana to Omaha flights

Top airline flying from Washington to Sioux City

Discover the top airline that operate flights from Washington to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$253Average$538FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.