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Cheap flights from Seattle to Sioux City (SEA - SUX) from $311

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 10/29. 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.
SEA — SUX
May 7 — May 141
From?
To?
Tue 5/7
Tue 5/14
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 May 2, 2024.

Round-trip from

$303
From Seattle/Tacoma Intl to Sioux City Sioux Gateway
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What is the cheapest day to fly round-trip from Seattle to Sioux City?

Flights from Seattle to Sioux City are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sioux City.

When is the cheapest time to fly from Seattle to Sioux City (SEA - SUX)?

When flying from Seattle to Sioux City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Seattle to Sioux City

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Sioux City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
Tue 10/292:07 pmSEA - SUX
1 stop6h 38mUnited Airlines
Sat 11/23:31 pmSUX - SEA
1 stop7h 41mUnited Airlines
Deal found 4/30$311
Tue 10/296:30 amSEA - SUX
2 stops14h 15mUnited Airlines
Sat 11/23:31 pmSUX - SEA
1 stop7h 41mUnited Airlines
Deal found 4/30$316
Tue 10/2911:59 pmSEA - SUX
2 stops12h 55mUnited Airlines
Sat 11/23:31 pmSUX - SEA
2 stops11h 20mUnited Airlines
Deal found 4/30$376
Tue 7/25:05 amSEA - SUX
1 stop11h 21mUnited Airlines
Sun 7/77:01 pmSUX - SEA
1 stop15h 01mUnited Airlines
Deal found 5/1$542
Fri 5/1711:45 pmSEA - SUX
1 stop21h 04mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$580
Tue 7/26:45 amSEA - SUX
2 stops9h 41mUnited Airlines
Sun 7/77:01 pmSUX - SEA
1 stop15h 01mUnited Airlines
Deal found 5/1$614
Fri 5/176:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$615
Fri 6/711:59 pmSEA - SUX
1 stop20h 54mUnited Airlines
Sun 6/97:01 pmSUX - SEA
1 stop15h 01mUnited Airlines
Deal found 5/1$634
Tue 7/25:05 amSEA - SUX
1 stop11h 21mUnited Airlines
Sun 7/77:01 pmSUX - SEA
3 stops53h 44mUnited Airlines
Deal found 5/1$677

Cheap Seattle to Sioux City flights in May & June 2024

Find cheap flight options from Seattle to Sioux City specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 2, 2024.
Fri 5/1711:45 pmSEA - SUX
1 stop21h 04mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$580
Fri 5/176:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$615
Fri 5/176:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
2 stops27h 37mUnited Airlines
Deal found 5/1$695

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 2,899,487 searches. Data last updated May 2, 2024.
Tue 10/2911:05 amSEA - SUX
1 stop9h 40mUnited Airlines
Sat 11/27:45 amSUX - SEA
1 stop10h 13mUnited Airlines
Deal found 5/1$311
Tue 10/296:30 amSEA - SUX
2 stops14h 15mUnited Airlines
Sat 11/27:45 amSUX - SEA
1 stop10h 13mUnited Airlines
Deal found 5/1$316
Fri 8/2311:59 pmSEA - SUX
2 stops13h 25mUnited Airlines
Tue 8/273:35 pmSUX - SEA
1 stop7h 45mUnited Airlines
Deal found 5/2$371
Fri 8/2311:59 pmSEA - SUX
2 stops13h 25mUnited Airlines
Tue 8/273:35 pmSUX - SEA
2 stops11h 48mUnited Airlines
Deal found 5/2$376
Fri 8/2311:59 pmSEA - SUX
2 stops13h 25mUnited Airlines
Tue 8/277:20 amSUX - SEA
3 stops16h 39mUnited Airlines
Deal found 5/2$381
Fri 8/236:45 pmSEA - SUX
1 stop18h 39mUnited Airlines
Tue 8/277:20 amSUX - SEA
1 stop10h 21mUnited Airlines
Deal found 5/2$391
Fri 5/1711:45 pmSEA - SUX
1 stop21h 04mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$580
Fri 5/176:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/1$615
Fri 5/176:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sun 5/1912:06 pmSUX - SEA
2 stops27h 37mUnited Airlines
Deal found 5/1$695

One-way flights to Sioux City from Seattle

Search for one-way flight options from Seattle to Sioux City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 2, 2024.
Thu 5/97:10 pmSEA - SUX
1 stop21h 04mUnited Airlines
Deal found 4/30$321
Thu 5/96:38 amSEA - SUX
2 stops33h 36mUnited Airlines
Deal found 4/30$427
Thu 5/97:25 amSEA - SUX
3 stops13h 24mUnited Airlines
Deal found 4/30$1,505

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 2,899,487 searches. Data last updated May 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$311 - $677

Route

Depart

Return

Price

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 10/29

1 stop6h 38m

Sioux City Sioux Gateway

Sat 11/2

1 stop7h 41m

$311

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 10/29

2 stops14h 15m

Sioux City Sioux Gateway

Sat 11/2

1 stop7h 41m

$316

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 10/29

2 stops12h 55m

Sioux City Sioux Gateway

Sat 11/2

2 stops11h 20m

$376

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 7/2

1 stop11h 21m

Sioux City Sioux Gateway

Sun 7/7

1 stop15h 01m

$542

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Fri 5/17

1 stop21h 04m

Sioux City Sioux Gateway

Sun 5/19

1 stop12h 56m

$580

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 7/2

2 stops9h 41m

Sioux City Sioux Gateway

Sun 7/7

1 stop15h 01m

$614

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Fri 5/17

2 stops9h 36m

Sioux City Sioux Gateway

Sun 5/19

1 stop12h 56m

$615

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Fri 6/7

1 stop20h 54m

Sioux City Sioux Gateway

Sun 6/9

1 stop15h 01m

$634

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Tue 7/2

1 stop11h 21m

Sioux City Sioux Gateway

Sun 7/7

3 stops53h 44m

$677

Flights are sorted by cheapest first

Deals found on 4/30

When is the cheapest time 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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Sioux City flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Sioux City by month

Plan your trip from Seattle to Sioux City by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Sioux City is currently $751 while a round-trip flight costs $518. Price data was last updated on April 28, 2024.

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 $543). 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.

January

$352

February

$312

March

$446

April

$303

May

$469

June

$525

July

$543

August

$412

September

$344

October

$457

November

$375

December

$416

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

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 May 2, 2024.
United Airlines
7.4
Good
11,143 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.2

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

United Airlines
7.4
Good
11,143 reviews
United Airlines
7.4
Good
11,143 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.2

Food

6.7

Reviews

1 / 10

The staff were pleasant. There was no food or entertainment.

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 $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Sioux City for under $400. The cheapest flight booked recently is on United Airlines for just $311, but on average you can expect to pay $634.

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

    United Airlines, at $311, 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 5/2.

See more FAQs

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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 2,899,487 searches. Data last updated May 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$297Average$563FlexibilityNo 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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Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Sioux City?

Cheapflights makes it easy to find Seattle to Sioux City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Sioux City?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Sioux City.

Can Cheapflights find flights from Seattle to Sioux City with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Sioux City flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seattle to Sioux City become cheaper?

Yes! Start tracking prices for Seattle to Sioux City flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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