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Sioux City

$178+ Cheap flights from Sioux City

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DEN
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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What to know about flights from Sioux City

Discover essential information about flights departing from Sioux City, including flight schedules, destinations, airlines operating at the Sioux City airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated June 13, 2025.

Cheapest round-trip flight

$254

Cheapest airline

United Airlines

Good round-trip deal

$281 or less

Good one-way deal

$181 or less
The cheapest round-trip flight from Sioux City Sioux Gateway is currently to Denver Intl.
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On average, United Airlines currently has the cheapest one-way flight from Sioux City Sioux Gateway (avg. price of $269).
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Price to beat on a round-trip flight from Sioux City Sioux Gateway.
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Price to beat on a one-way flight from Sioux City Sioux Gateway.
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Find flights from Sioux City

Cheapest flights from Sioux City
Explore the most affordable flight options available from Sioux City. Find the lowest fares based on data from user searches, with prices last updated on June 13, 2025.

Sat 8/96:53 pmSUX - DEN
Nonstop1h 43mUnited Airlines
Mon 8/113:40 pmDEN - SUX
Nonstop1h 38mUnited Airlines
Deal found 6/12$214
Sat 11/86:50 pmSUX - LAS
1 stop5h 08mUnited Airlines
Wed 11/129:46 amLAS - SUX
1 stop6h 13mUnited Airlines
Deal found 6/13$244
Sat 7/2610:10 amSUX - ORD
Nonstop1h 44mUnited Airlines
Sat 8/28:50 pmORD - SUX
Nonstop1h 50mUnited Airlines
Deal found 6/11$244
Thu 6/2610:10 amSUX - DCA
1 stop6h 52mUnited Airlines
Mon 6/305:00 pmDCA - SUX
1 stop6h 40mUnited Airlines
Deal found 6/10$274
Fri 6/276:53 pmSUX - SFO
1 stop6h 17mUnited Airlines
Tue 7/18:35 amSFO - SUX
1 stop7h 43mUnited Airlines
Deal found 6/12$304
Fri 8/226:48 pmSUX - SEA
1 stop6h 11mUnited Airlines
Mon 8/256:25 amSEA - SUX
2 stops9h 48mUnited Airlines
Deal found 6/11$311
Wed 9/107:49 amSUX - BOS
1 stop7h 54mUnited Airlines
Wed 9/173:15 pmBOS - SUX
1 stop8h 42mUnited Airlines
Deal found 6/11$359
Tue 9/97:49 amSUX - IAD
1 stop5h 00mUnited Airlines
Wed 9/176:40 pmIAD - SUX
1 stop5h 17mUnited Airlines
Deal found 6/11$389
Sat 7/266:53 pmSUX - LAX
1 stop5h 46mUnited Airlines
Sat 8/29:00 amLAX - SUX
1 stop7h 18mUnited Airlines
Deal found 6/10$407
Sat 7/2610:10 amSUX - CHS
2 stops23h 04mUnited Airlines
Wed 7/303:51 pmCHS - SUX
1 stop7h 49mUnited Airlines
Deal found 6/11$443

Find flights from Sioux City within your budget

Find flights departing from Sioux City that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on June 13, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Denver

Route

Depart

Return

Price

Sioux CityDenver

SUX - DEN

SUXDEN

Sioux City Sioux Gateway

Sat 8/9

6:53 pm-7:36 pm

Nonstop1h 43m

Denver Intl

Mon 8/11

3:40 pm-6:18 pm

Nonstop1h 38m

$214

Sioux CityLas Vegas

SUX - LAS

SUXLAS

Sioux City Sioux Gateway

Sat 11/8

6:50 pm-9:58 pm

1 stop5h 08m

Las Vegas Harry Reid Intl

Wed 11/12

9:46 am-5:59 pm

1 stop6h 13m

$244

Sioux CityChicago

SUX - ORD

SUXORD

Sioux City Sioux Gateway

Sat 7/26

10:10 am-11:54 am

Nonstop1h 44m

Chicago O'Hare Intl

Sat 8/2

8:50 pm-10:40 pm

Nonstop1h 50m

$244

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 6/26

10:10 am-6:02 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Mon 6/30

5:00 pm-10:40 pm

1 stop6h 40m

$274

Sioux CitySan Francisco

SUX - SFO

SUXSFO

Sioux City Sioux Gateway

Fri 6/27

6:53 pm-11:10 pm

1 stop6h 17m

San Francisco

Tue 7/1

8:35 am-6:18 pm

1 stop7h 43m

$304

Sioux CitySeattle

SUX - SEA

SUXSEA

Sioux City Sioux Gateway

Fri 8/22

6:48 pm-10:59 pm

1 stop6h 11m

Seattle/Tacoma Intl

Mon 8/25

6:25 am-6:13 pm

2 stops9h 48m

$311

Sioux CityBoston

SUX - BOS

SUXBOS

Sioux City Sioux Gateway

Wed 9/10

7:49 am-4:43 pm

1 stop7h 54m

Boston Logan Intl

Wed 9/17

3:15 pm-10:57 pm

1 stop8h 42m

$359

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Tue 9/9

7:49 am-1:49 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

Wed 9/17

6:40 pm-10:57 pm

1 stop5h 17m

$389

Sioux CityLos Angeles

SUX - LAX

SUXLAX

Sioux City Sioux Gateway

Sat 7/26

6:53 pm-10:39 pm

1 stop5h 46m

Los Angeles

Sat 8/2

9:00 am-6:18 pm

1 stop7h 18m

$407

Sioux CityCharleston

SUX - CHS

SUXCHS

Sioux City Sioux Gateway

Sat 7/26

10:10 am-10:14 am

2 stops23h 04m

Charleston

Wed 7/30

3:51 pm-10:40 pm

1 stop7h 49m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 15 results
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Best time to book a flight from Sioux City

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

Travel insights for flights from Sioux City

Get recent, data-driven insights about flights from Sioux City including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Sioux City (average of $36). Flying from Sioux City in April will prove the most costly (average of $72). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Sioux City?

For flights departing from Sioux City check dates and pricing for the following: United Airlines. This airline departs to the following popular destinations: Denver.

United Airlines
United Airlines
From $194

What is the cheapest place to fly to from Sioux City?

The cheapest city to fly to from Sioux City is Chicago, with prices starting at $168. Explore other affordable destinations below.

Chicago
Chicago
From $168
Denver Intl
Denver Intl
From $207

Airline reviews for flights from Sioux City

Read reviews and ratings of airlines operating flights from Sioux City. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Sioux City travel. Please note that the reviews are sourced from user searches and were last updated on June 13, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
United Airlines
7.4
Good
8,791 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,791 reviews
United Airlines
7.4
Good
8,791 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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Related info for your journey

Access useful and relevant information related to your journey from Sioux City. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated June 13, 2025.

  • What are the most popular destinations to fly to from Sioux City?

    This month, the top selected destinations from Sioux City are Denver, Los Angeles, Chicago. Throughout the year, Denver, San Diego, Chicago O'Hare Intl Airport are some of the top choices made by users flying from Sioux City.

  • What is the cheapest flight from Sioux City to anywhere?

    Users have flown out of Sioux City for as low as $168 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $524 to fly from Sioux City.

  • What is the cheapest premium economy flight from Sioux City?

    Options for some of the cheapest premium economy flights from Sioux City we have found on Cheapflights are as follows:
    Fly from Sioux City Sioux Gateway to Chicago O'Hare Intl Airport starting at $2,185

  • What is the cheapest first class flight from Sioux City?

    If you’re looking for a cheap first-class flight from Sioux City, consider Denver. Prices start at $410 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Sioux City?

    February is currently the cheapest month to fly from Sioux City. At this moment in time April is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

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