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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 18 — May 251
From?
To?
Sat 5/18
Sat 5/25
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 13, 2024.

Round-trip from

$303
From Seattle/Tacoma Intl to Sioux City Sioux Gateway
Search Deals

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)?

It’s typically best to fly out from Seattle to Sioux City at noon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

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 2,633,403 searches. Data last updated May 13, 2024.
Thu 5/168:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$503
Thu 5/166:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$529
Wed 5/158:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$538
Wed 5/156:38 amSEA - SUX
2 stops14h 11mUnited Airlines
Sat 5/186:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$548
Mon 6/106:35 pmSEA - SUX
1 stop21h 51mUnited Airlines
Mon 6/1711:55 amSUX - SEA
1 stop22h 07mUnited Airlines
Deal found 5/11$563
Mon 6/106:35 pmSEA - SUX
1 stop21h 51mUnited Airlines
Mon 6/1711:55 amSUX - SEA
2 stops24h 45mUnited Airlines
Deal found 5/11$573
Sun 5/197:10 pmSEA - SUX
1 stop13h 39mUnited Airlines
Tue 5/216:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$603
Sun 5/195:00 amSEA - SUX
1 stop27h 49mUnited Airlines
Tue 5/216:50 pmSUX - SEA
2 stops22h 33mUnited Airlines
Deal found 5/11$613
Thu 5/166:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sat 5/186:29 amSUX - SEA
2 stops11h 02mUnited Airlines
Deal found 5/11$634

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 2,633,403 searches. Prices were last updated on May 13, 2024.
Thu 5/168:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$503
Thu 5/166:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$529
Tue 5/146:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
2 stops12h 47mUnited Airlines
Deal found 5/12$534
Wed 5/158:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$538
Tue 5/147:25 amSEA - SUX
2 stops13h 24mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/12$548
Mon 6/106:35 pmSEA - SUX
1 stop21h 51mUnited Airlines
Mon 6/1711:55 amSUX - SEA
1 stop22h 07mUnited Airlines
Deal found 5/11$563
Mon 6/106:35 pmSEA - SUX
1 stop21h 51mUnited Airlines
Mon 6/1711:55 amSUX - SEA
2 stops24h 45mUnited Airlines
Deal found 5/11$573
Tue 5/142:21 pmSEA - SUX
1 stop6h 28mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
1 stop23h 41mUnited Airlines
Deal found 5/12$593
Sun 5/197:10 pmSEA - SUX
1 stop13h 39mUnited Airlines
Tue 5/216:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$603

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 2,633,403 searches. Data last updated May 13, 2024.
Tue 10/292:07 pmSEA - SUX
1 stop6h 38mUnited Airlines
Sat 11/27:45 amSUX - SEA
1 stop10h 18mUnited Airlines
Deal found 5/10$311
Tue 10/2911:59 pmSEA - SUX
2 stops12h 55mUnited Airlines
Sat 11/27:45 amSUX - SEA
1 stop10h 18mUnited Airlines
Deal found 5/10$321
Tue 10/2911:59 pmSEA - SUX
2 stops12h 55mUnited Airlines
Sat 11/23:31 pmSUX - SEA
2 stops10h 14mUnited Airlines
Deal found 5/10$326
Tue 10/296:39 amSEA - SUX
2 stops14h 06mUnited Airlines
Sat 11/27:45 amSUX - SEA
3 stops15h 07mUnited Airlines
Deal found 5/11$381
Tue 10/2911:50 pmSEA - SUX
2 stops13h 04mUnited Airlines
Sat 11/27:45 amSUX - SEA
3 stops15h 07mUnited Airlines
Deal found 5/10$462
Thu 5/168:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$503
Thu 5/166:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Sat 5/186:29 amSUX - SEA
1 stop8h 45mUnited Airlines
Deal found 5/11$529
Tue 5/146:38 amSEA - SUX
2 stops9h 36mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
2 stops12h 47mUnited Airlines
Deal found 5/12$534
Wed 5/158:20 amSEA - SUX
1 stop7h 54mUnited Airlines
Sat 5/186:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$538

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 2,633,403 searches. Data last updated May 13, 2024.
Sun 5/197:10 pmSEA - SUX
1 stop13h 39mUnited Airlines
Tue 5/216:50 pmSUX - SEA
1 stop16h 57mUnited Airlines
Deal found 5/11$603
Sun 5/195:00 amSEA - SUX
1 stop27h 49mUnited Airlines
Tue 5/216:50 pmSUX - SEA
2 stops22h 33mUnited Airlines
Deal found 5/11$613
Sun 5/196:38 amSEA - SUX
2 stops26h 11mUnited Airlines
Tue 5/216:50 pmSUX - SEA
2 stops22h 33mUnited Airlines
Deal found 5/11$713
Sun 5/196:50 amSEA - SUX
1 stop13h 59mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
1 stop12h 56mUnited Airlines
Deal found 5/11$908
Sun 5/196:50 amSEA - SUX
1 stop13h 59mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
2 stops12h 47mUnited Airlines
Deal found 5/11$928
Sun 5/195:00 amSEA - SUX
2 stops15h 49mUnited Airlines
Mon 5/2012:06 pmSUX - SEA
2 stops12h 47mUnited Airlines
Deal found 5/11$987

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 2,633,403 searches. Data last updated May 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$503 - $634

Route

Depart

Return

Price

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 5/16

1 stop7h 54m

Sioux City Sioux Gateway

Sat 5/18

1 stop8h 45m

$503

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 5/16

2 stops9h 36m

Sioux City Sioux Gateway

Sat 5/18

1 stop8h 45m

$529

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Wed 5/15

1 stop7h 54m

Sioux City Sioux Gateway

Sat 5/18

1 stop16h 57m

$538

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Wed 5/15

2 stops14h 11m

Sioux City Sioux Gateway

Sat 5/18

1 stop16h 57m

$548

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Mon 6/10

1 stop21h 51m

Sioux City Sioux Gateway

Mon 6/17

1 stop22h 07m

$563

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Mon 6/10

1 stop21h 51m

Sioux City Sioux Gateway

Mon 6/17

2 stops24h 45m

$573

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 5/19

1 stop13h 39m

Sioux City Sioux Gateway

Tue 5/21

1 stop16h 57m

$603

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Sun 5/19

1 stop27h 49m

Sioux City Sioux Gateway

Tue 5/21

2 stops22h 33m

$613

Seattle/Tacoma IntlSioux City Sioux Gateway

SEA - SUX

SEASUX

Seattle/Tacoma Intl

Thu 5/16

2 stops9h 36m

Sioux City Sioux Gateway

Sat 5/18

2 stops11h 02m

$634

Flights are sorted by cheapest first

Deals found on 5/11

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 May 12, 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. Thursday 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 $0 while a round-trip flight costs $567. Price data was last updated on May 5, 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

$475

June

$538

July

$543

August

$412

September

$344

October

$459

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 13, 2024.
United Airlines
7.4
Good
10,981 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.2

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

United Airlines
7.4
Good
10,981 reviews
United Airlines
7.4
Good
10,981 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.2

Food

6.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

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 $600 on Cheapflights?

    Yes, there are multiple flights from Seattle to Sioux City for under $600. The cheapest flight booked recently is on United Airlines for just $503, but on average you can expect to pay $680.

  • Are there last-minute flights available from Seattle to Sioux City for under $700?

    There are currently 6+ open flights from Seattle to Sioux City within the next 7 days for less than $700.

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

    United Airlines, at $503, 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 5/12.

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 2,633,403 searches. Data last updated May 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$295Average$614FlexibilityNo 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.
First Class
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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