What is the difference between the most popular and the most frequent airline at Sioux City?

United Airlines operates the most flights from the United States to Sioux City at 14 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Sioux City. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

How far is Sioux City Sioux Gateway from downtown Sioux City?

Sioux City Sioux Gateway is 6.5 mi from downtown Sioux City.

How long are nonstop flights to Sioux City from different departure cities?

Nonstop flight time to Sioux City varies depending on your departure city: • From Denver: 1h 38m • From Chicago: 1h 50m

Which city has the cheapest flights to Sioux City?

Based on fares booked in the past 5 days, the cheapest flights to Sioux City are from Chicago, starting at $244 round-trip.

How many flights serve Sioux City?

Sioux City receives 2 flights per day and 14 per week from across the world. Denver has the most flights to Sioux City, with 7 weekly flights.

How do I know if a flight to Sioux City is a good deal?

A good deal on a flight to Sioux City is around $303 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to Sioux City?

Chicago O'Hare Intl Airport to Sioux City is the cheapest route at $244 round-trip, found in the past 5 days on KAYAK. Denver to Sioux City is the most popular connection with round-trip deals from $274.

How much is a flight to Sioux City?

On average, a round-trip flight from the United States to Sioux City costs $424, based on KAYAK data over the past 12 months. Round-trip fares from Denver average $278, while Nashville runs a bit higher at $297.

What is the cheapest day to fly to Sioux City?

Saturday is the cheapest day to fly to Sioux City at $373 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at $621.

What’s the cheapest month to fly to Sioux City?

•February is the cheapest month to fly to Sioux City with an average price of $336 round-trip. •May ($489) and March ($483) are the most expensive. Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Sioux City?

Morning flights to Sioux City are the cheapest at $392 round-trip on average. Afternoon flights are the most expensive at $451.

What is a good deal for flights to Sioux City?

Flights under $303 are considered a good deal. 25% of KAYAK users found round-trip flights to Sioux City at or below these prices, with the lowest fares from: •Chicago $204 •Denver $234 •Seattle $253.

What are the most popular airlines flying to Sioux City?

United Airlines is the most popular airline flying to Sioux City on KAYAK, followed by JetBlue.

Which airline offers the most nonstop flights to Sioux City?

United Airlines is the only airline that flies nonstop to Sioux City, with 14 flights per week.

How many direct flights to Sioux City are there each day?

There are around 2 daily direct flights to Sioux City. 50% depart in the afternoon and 50% at night.

How many direct flights to Sioux City are there each week?

There are 14 direct flights to Sioux City each week. Monday is the day with the most departures at 14%.

How many long-haul flights are there to Sioux City each week?

No long-haul flights serve this destination.

How many cities have direct flights to Sioux City?

2 cities have direct flights to Sioux City. Chicago has the most with 7 direct flights per week.

$179 CHEAP FLIGHTS to Sioux City in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$244

Typical prices: $303-$572

United Airlines

Wed 10/31Wed 11/7

ORD - SUX • Non-stop

Cheapest one-way

$179

Typical prices: $215-$425

United Airlines

Fri 12/14

LAS - SUX • 1 stop

Nonstop flights

Every day

You can fly direct with United Airlines. Average duration is 1h 46m

FAQs

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United Airlines

Most flights • 14 per week

United Airlines

Best reviews • 7.4 score

Airline reviews

Top routes

DEN - SUX

Cheapest • 44% average savings

CHI - SUX

Most popular

Insights

When to travel

February

Cheapest • 21% price drop

March

Most popular

Good to know

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We hope you love your trip to Sioux City!

Flight Deals

Cheap Flights to Sioux City

Discover the best prices for you by selecting your travel dates on KAYAK.

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One-way

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Recent round-trip flight deals to Sioux City

Sat, Oct 31 - Sat, Nov 7

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$244United Airlines

Wed, Oct 28 - Wed, Nov 4

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Tue, Oct 20 - Mon, Oct 26

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Mon, Oct 26 - Mon, Nov 2

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Fri, Nov 6 - Wed, Nov 11

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Sun, Nov 8

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Tue, Nov 10

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Mon, Nov 9

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Wed, Oct 14 - Wed, Oct 21

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

Sat, Oct 17 - Mon, Oct 19

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

Recent last minute flight deals to Sioux City

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 5:53 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 53mnonstop

8:35 am - 10:29 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 54mnonstop

$394United Airlines

Sun, Oct 4 - Sun, Oct 11

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$420United Airlines

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 5:53 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 53mnonstop

8:35 am - 10:29 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 54mnonstop

$512United Airlines

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 5:53 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 53mnonstop

8:35 am - 10:29 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 54mnonstop

$512United Airlines

Fri, Oct 2 - Sun, Oct 11

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$520United Airlines

Sat, Oct 3 - Sat, Oct 10

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$520United Airlines

Tue, Oct 6 - Fri, Oct 9

4:00 pm - 5:53 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 53mnonstop

8:35 am - 10:29 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 54mnonstop

$639United Airlines

Fri, Oct 2 - Sun, Oct 4

12:36 pm - 5:53 pmCMH Columbus-SUX Sioux City Sioux Gateway

6h 17m1 stop Chicago O'Hare Intl

8:35 am - 3:27 pmSUX Sioux City Sioux Gateway-CMH Columbus

5h 52m1 stop Chicago O'Hare Intl

$649United Airlines

Fri, Oct 2 - Sun, Oct 4

12:36 pm - 11:43 pmCMH Columbus-SUX Sioux City Sioux Gateway

12h 07m2 stops Chicago O'Hare Intl Denver Intl

8:35 am - 3:27 pmSUX Sioux City Sioux Gateway-CMH Columbus

5h 52m1 stop Chicago O'Hare Intl

$659United Airlines

Fri, Oct 2 - Sun, Oct 4

4:00 pm - 5:53 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 53mnonstop

6:58 pm - 5:05 pmSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

22h 07m2 stops Denver Intl Minneapolis St Paul

$687United Airlines

Recent direct flight deals from the United States to Sioux City

Sat, Oct 31 - Sat, Nov 7

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$244United Airlines

Wed, Oct 28 - Wed, Nov 4

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Mon, Oct 26 - Mon, Nov 2

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Tue, Oct 20 - Mon, Oct 26

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Fri, Nov 6 - Tue, Nov 10

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Mon, Nov 9

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Sun, Nov 8

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Wed, Nov 11

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Sat, Oct 17 - Mon, Oct 19

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

Wed, Oct 14 - Wed, Oct 21

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

All round-trip flight deals to Sioux City

Sat, Oct 31 - Sat, Nov 7

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$244United Airlines

Wed, Oct 28 - Wed, Nov 4

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Tue, Oct 20 - Mon, Oct 26

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Mon, Oct 26 - Mon, Nov 2

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:45 pm - 7:41 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 56mnonstop

$274United Airlines

Fri, Nov 6 - Wed, Nov 11

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Sun, Nov 8

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Tue, Nov 10

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Fri, Nov 6 - Mon, Nov 9

4:20 pm - 6:10 pmORD Chicago O'Hare Intl-SUX Sioux City Sioux Gateway

1h 50mnonstop

6:00 am - 7:59 amSUX Sioux City Sioux Gateway-ORD Chicago O'Hare Intl

1h 59mnonstop

$284United Airlines

Wed, Oct 14 - Wed, Oct 21

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

Sat, Oct 17 - Mon, Oct 19

9:05 pm - 11:43 pmDEN Denver Intl-SUX Sioux City Sioux Gateway

1h 38mnonstop

6:58 pm - 7:52 pmSUX Sioux City Sioux Gateway-DEN Denver Intl

1h 54mnonstop

$322United Airlines

Booking Insights

Price, demand and travel trends for flights to Sioux City

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Sioux City?: Chicago O'Hare Intl Airport to Sioux City is the cheapest route at $244 round-trip, found in the past 5 days on KAYAK. Denver to Sioux City is the most popular connection with round-trip deals from $274.
How much is a flight to Sioux City? Average and cheapest price for all round-trip flights to Sioux City from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from the United States to Sioux City costs $424, based on KAYAK data over the past 12 months. Round-trip fares from Denver average $278, while Nashville runs a bit higher at $297.
What is the cheapest day to fly to Sioux City?: Saturday is the cheapest day to fly to Sioux City at $373 round-trip on average over the past 12 months on KAYAK. Monday is the most expensive at $621.
What’s the cheapest month to fly to Sioux City? To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to Sioux City, removes the top 0.1% to account for outliers, then takes the median of all values for each month.: •February is the cheapest month to fly to Sioux City with an average price of $336 round-trip.
•May ($489) and March ($483) are the most expensive.

Based on KAYAK data over the past 12 months.
What is the cheapest time of day to fly to Sioux City? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Morning flights to Sioux City are the cheapest at $392 round-trip on average. Afternoon flights are the most expensive at $451.
What is a good deal for flights to Sioux City?: Flights under $303 are considered a good deal. 25% of KAYAK users found round-trip flights to Sioux City at or below these prices, with the lowest fares from:
•Chicago $204
•Denver $234
•Seattle $253.

Find deals

Low season	December
High season	March
Cheapest flight	$179

Beat the crowds with an average 51% drop in travelers.

One-way flight from Las Vegas to Sioux City

When to book flights to Sioux City

Are your dates flexible? Find out the best times to travel to Sioux City based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Sioux City based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Sioux City is a good deal?
A good deal on a flight to Sioux City is around $303 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
How far is Sioux City Sioux Gateway from downtown Sioux City?
Sioux City Sioux Gateway is 6.5 mi from downtown Sioux City.
How long are nonstop flights to Sioux City from different departure cities?
Nonstop flight time to Sioux City varies depending on your departure city:

• From Denver: 1h 38m
• From Chicago: 1h 50m
Which city has the cheapest flights to Sioux City?
Based on fares booked in the past 5 days, the cheapest flights to Sioux City are from Chicago, starting at $244 round-trip.
What is the difference between the most popular and the most frequent airline at Sioux City?
United Airlines operates the most flights from the United States to Sioux City at 14 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Sioux City. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.
How many flights serve Sioux City?
Sioux City receives 2 flights per day and 14 per week from across the world. Denver has the most flights to Sioux City, with 7 weekly flights.

For flights to Sioux City, a good round-trip fare is around $303. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Sioux City in February. Round-trip fares historically average $336, making February the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to morning to save up to $59 per round-trip. Morning flights to Sioux City average $392 compared to $451 for noon flights.
Bag allowances vary by airline, fare type, cabin class and route. On flights to Sioux City, some airlines may include bags at no extra cost. For example, United Airlines includes a cabin bag in Economy Class and JetBlue includes a cabin bag in Economy Class. Always check the fare details before booking, since bag policies can change by ticket type.

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Everything you should know

Cheap Flights to Sioux City

Recent round-trip flight deals to Sioux City

Recent one-way flight deals to Sioux City

Recent last minute flight deals to Sioux City

Recent direct flight deals from the United States to Sioux City

All round-trip flight deals to Sioux City

Price, demand and travel trends for flights to Sioux City

What is the cheapest flight to Sioux City?

How much is a flight to Sioux City?

What is the cheapest day to fly to Sioux City?

What’s the cheapest month to fly to Sioux City?

What is the cheapest time of day to fly to Sioux City?

What is a good deal for flights to Sioux City?

What are the most popular airlines flying to Sioux City?

Which airline offers the most nonstop flights to Sioux City?

How many direct flights to Sioux City are there each day?

How many direct flights to Sioux City are there each week?

How many long-haul flights are there to Sioux City each week?

How many cities have direct flights to Sioux City?

Key details for flights to Sioux City

Low season

High season

Cheapest flight

When to book flights to Sioux City

Your questions about flights to Sioux City, answered

Your guide to booking Sioux City flights

More options for your flight to Sioux City

Complete your trip to Sioux City with a hotel stay or car rental

Information on the airport you'll fly into in Sioux City

Cabin class types available on flights to Sioux City

Find direct flights for Sioux City

Flights from local origins to Sioux City

Flights to other popular destinations

Popular routes to Sioux City