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$467+ Cheap flights from Seattle to Sioux City (SEA - 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SUX
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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Cheap flight deals from Seattle to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2024.

Round-trip from

$467
(United Airlines)
From Seattle/Tacoma Intl to Sioux City Sioux Gateway
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What is the cheapest time of day to fly from SEA to SUX?

It’s typically best to fly out from Seattle to Sioux City in the morning. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Seattle to Sioux City flights in July & August 2024

Find cheap flight options from Seattle to Sioux City specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/257:20 amSEA - SUX
2 stops29h 29mUnited Airlines
Sat 8/314:00 pmSUX - SEA
2 stops8h 22mUnited Airlines
Deal found 7/25$467
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/165:10 amSEA - SUX
1 stop11h 16mUnited Airlines
Sun 8/186:15 amSUX - SEA
1 stop7h 09mUnited Airlines
Deal found 7/25$492
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/166:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Sun 8/186:15 amSUX - SEA
1 stop7h 09mUnited Airlines
Deal found 7/25$493
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/318:58 amSEA - SUX
1 stop7h 28mUnited Airlines
Fri 8/303:35 pmSUX - SEA
1 stop7h 45mUnited Airlines
Deal found 7/25$501
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/257:20 amSEA - SUX
2 stops29h 29mUnited Airlines
Sat 8/314:00 pmSUX - SEA
1 stop17h 57mUnited Airlines
Deal found 7/25$510
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2712:36 pmSEA - SUX
1 stop8h 17mUnited Airlines
Tue 7/307:01 pmSUX - SEA
1 stop5h 44mUnited Airlines
Deal found 7/25$514
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/255:00 amSEA - SUX
1 stop7h 49mUnited Airlines
Sat 8/314:00 pmSUX - SEA
1 stop17h 57mUnited Airlines
Deal found 7/25$557
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/318:58 amSEA - SUX
1 stop7h 28mUnited Airlines
Fri 8/303:35 pmSUX - SEA
2 stops32h 24mUnited Airlines
Deal found 7/25$574
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/316:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Fri 8/303:35 pmSUX - SEA
2 stops32h 24mUnited Airlines
Deal found 7/25$589

Seattle to Sioux City 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Sioux City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/257:20 amSEA - SUX
2 stops29h 29mUnited Airlines
Sat 8/314:00 pmSUX - SEA
2 stops8h 22mUnited Airlines
Deal found 7/25$467
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/165:10 amSEA - SUX
1 stop11h 16mUnited Airlines
Sun 8/186:15 amSUX - SEA
1 stop7h 09mUnited Airlines
Deal found 7/25$492
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/166:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Sun 8/186:15 amSUX - SEA
1 stop7h 09mUnited Airlines
Deal found 7/25$493
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/318:58 amSEA - SUX
1 stop7h 28mUnited Airlines
Fri 8/303:35 pmSUX - SEA
1 stop7h 45mUnited Airlines
Deal found 7/25$501
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Sun 8/257:20 amSEA - SUX
2 stops29h 29mUnited Airlines
Sat 8/314:00 pmSUX - SEA
1 stop17h 57mUnited Airlines
Deal found 7/25$510
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 10/106:45 amSEA - SUX
2 stops14h 15mUnited Airlines
Mon 10/143:35 pmSUX - SEA
1 stop20h 31mUnited Airlines
Deal found 7/25$512
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2712:36 pmSEA - SUX
1 stop8h 17mUnited Airlines
Tue 7/307:01 pmSUX - SEA
1 stop5h 44mUnited Airlines
Deal found 7/25$514
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 10/106:45 amSEA - SUX
2 stops14h 15mUnited Airlines
Mon 10/143:35 pmSUX - SEA
2 stops25h 49mUnited Airlines
Deal found 7/25$527
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 10/101:45 pmSEA - SUX
1 stop7h 15mUnited Airlines
Mon 10/143:35 pmSUX - SEA
1 stop20h 31mUnited Airlines
Deal found 7/25$547

Seattle to Sioux City flights leaving soon

Find last-minute flight options from Seattle to Sioux City for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/318:58 amSEA - SUX
1 stop7h 28mUnited Airlines
Fri 8/303:35 pmSUX - SEA
1 stop7h 45mUnited Airlines
Deal found 7/25$501
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/318:58 amSEA - SUX
1 stop7h 28mUnited Airlines
Fri 8/303:35 pmSUX - SEA
2 stops32h 24mUnited Airlines
Deal found 7/25$574
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/316:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Fri 8/303:35 pmSUX - SEA
2 stops32h 24mUnited Airlines
Deal found 7/25$589
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/316:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Fri 8/303:35 pmSUX - SEA
3 stops46h 11mUnited Airlines
Deal found 7/25$683
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 7/3012:30 amSEA - SUX
1 stop20h 23mUnited Airlines
Fri 8/307:20 amSUX - SEA
1 stop28h 28mUnited Airlines
Deal found 7/24$1,296

Find flights from Seattle to Sioux City within your budget

Customize your flight search to find flights from Seattle 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$467 - $600

Route

Depart

Return

Price

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 8/25

2 stops29h 29m

Sioux City Sioux Gateway

Sat 8/31

2 stops8h 22m

$467

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Fri 8/16

1 stop11h 16m

Sioux City Sioux Gateway

Sun 8/18

1 stop7h 09m

$492

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Fri 8/16

2 stops9h 41m

Sioux City Sioux Gateway

Sun 8/18

1 stop7h 09m

$493

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 8/25

2 stops29h 29m

Sioux City Sioux Gateway

Sat 8/31

1 stop17h 57m

$510

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 10/10

2 stops14h 15m

Sioux City Sioux Gateway

Mon 10/14

1 stop20h 31m

$512

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 10/10

2 stops14h 15m

Sioux City Sioux Gateway

Mon 10/14

2 stops25h 49m

$527

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 10/10

1 stop7h 15m

Sioux City Sioux Gateway

Mon 10/14

1 stop20h 31m

$547

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 8/25

1 stop7h 49m

Sioux City Sioux Gateway

Sat 8/31

1 stop17h 57m

$557

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 8/25

2 stops29h 29m

Sioux City Sioux Gateway

Sat 8/31

3 stops21h 46m

$600

Flights are sorted by cheapest first

Deals found on 7/25

What is the cheapest day to fly from Seattle to Sioux City?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Sioux City. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Sioux City flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Seattle 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.

Temperature and rainfall in Sioux City by month

Plan your trip to Sioux City by taking into account the average temperature and rainfall totals by month.

SUX

Temperature

21.2 - 75.2 °F

If weather is an important factor for your trip to Sioux City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated July 25, 2024.
United Airlines
7.4
Good
10,000 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Comfort

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

United Airlines
7.4
Good
10,000 reviews
United Airlines
7.4
Good
10,000 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Comfort

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

Related info for your journey

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

  • Can I find flights from Seattle to Sioux City for under $500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Sioux City for under $500. The cheapest flight booked recently is on United Airlines for just $467, but on average you can expect to pay $556.

  • Are there last-minute flights available from Seattle to Sioux City for under $600?

    There are currently 5+ open flights from Seattle to Sioux City within the next 7 days for less than $600.

  • What is the cheapest airline to fly from Seattle to Sioux City round-trip?

    United Airlines, at $467, was found to be the cheapest airline from Seattle to Sioux City..

  • What does SEA to SUX mean?

    SEA and SUX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to SUX refers to a flight route from Seattle/Tacoma Intl Airport to Sioux City Sioux Gateway Airport.

  • Can I find deals for flights from Seattle to Sioux City that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Sioux City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Sioux City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Sioux City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

  • Can I find deals for flights from Seattle to Sioux City that allow pets onboard?

    Many airlines flying from Seattle to Sioux City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Sioux City?

    Yes, you can often find last-minute deals on Seattle to Sioux City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Sioux City flight deals updated?

    The Seattle to Sioux City flight deals you see on this page were last updated on 7/25.

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

    Currently, April is the cheapest month in which you can book a flight from Seattle to Sioux City (average of $303). Flying from Seattle to Sioux City in July is currently the most expensive (average of $498). 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

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Alternative routes for Seattle to Sioux City
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Seattle to Sioux City

Discover the top airline that operate flights from Seattle 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$298Average$511FlexibilityNo cancel feeOn-time69%
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Search flights from Seattle to Sioux City by cabin class

Find flights from Seattle to Sioux City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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