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Cheap flights from Rapid City to Sioux City

Rapid City
RAP
Sioux City
SUX

Flight deals from Rapid City to Sioux City

Below you can see the best deals on flights Rapid City — Sioux City for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 17 August, from $315.

Top 10 cheap flights from Rapid City to Sioux City

About the Rapid City — Sioux City flight

On this page, you can find and buy flights from Rapid City to Sioux City. The distance between the cities is 581 km, but there are no direct flights on this route—the trip is only available with a layover at Denver International Airport, and the minimum travel time including the connection is approximately 4 hours 45 minutes.

United Airlines is the main carrier on this route. Ticket prices vary depending on demand, so a low-price calendar and a price chart are available on this page to help with budget planning. You can also find out in advance how to get to the airport in Rapid City and how to get from the airport in Sioux City upon arrival.

Flight ticket prices by day: Rapid City — Sioux City

Below is a calendar of the lowest flight ticket prices for Rapid City — Sioux City by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $315 in ,, and the most expensive are around $315 in ,. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Rapid City → Sioux City, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$200lowMay$228mediumSep$225medium
Feb$203lowJun$248highOct$232medium
Mar$220mediumJul$263highNov$244high
Apr$213lowAug$250highDec$257high

Some values are estimated based on seasonality.

When to fly

Weather conditions in Sioux City are characterized by strong seasonality: the warmest month is July, when temperatures reach 30°C, while the coldest are January and February with frosts as low as -9.4°C. Peak precipitation occurs in May, while the driest weather is observed in early winter.

Regarding flight costs, the best deals usually appear when booking for months with moderate demand. Currently, price statistics are generated in real-time, so we recommend tracking current fares via the interactive chart.

September can be considered the optimal time to fly, as Sioux City enjoys comfortable temperatures around 26.5°C with little precipitation. To save money and ensure a smooth connection in Denver, it is advisable to avoid periods of heavy snowfall in mid-winter.

Temperature · Sioux City

Dry and wet days · Sioux City

Wind speed and direction · Sioux City

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How to get the best deal on a Rapid City — Sioux City ticket

  • Since the route includes a mandatory layover at Denver International Airport, we recommend booking a single ticket with United Airlines to ensure your baggage is checked through to the final destination.
  • The minimum price for a one-way ticket starts $313, with the best fares most often found when purchasing 1.5–2 months before departure.
  • Use the low-price calendar on this page to compare flight costs for different days of the week—midweek departures are often cheaper.
  • When transferring in Denver, allow at least 2 hours for the connection to comfortably go through security and change terminals in case the first segment from Rapid City is delayed.

Airlines

Air travel on this route is provided by United Airlines. There are no direct flights between the cities, so all flights operate with a layover at Denver International Airport. Detailed information on schedules and flight frequency can be found in the interactive list of airlines below.

There are no direct flights on the Rapid City — Sioux City route. Showing airlines offering connecting flights.
  • United AirlinesUA
    WebsiteFleet: 956165M pax/year
    • RAP → DEN → SUX (with stopover)
    Open →

Cities and airports on the Rapid City — Sioux City route

Flights Rapid City — Sioux City depart from Rapid City Regional Airport and arrive at Sioux Gateway Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Rapid City

RAP
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Sioux City

SUX
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Rapid City — Sioux City flight

How long is the flight from Rapid City to Sioux City?

The total travel time, including the layover at Denver International Airport, is approximately 4 hours 45 minutes for the fastest option.

Which airlines fly on this route?

United Airlines is the primary carrier operating connecting flights from Rapid City to Sioux City.

Are there direct flights between the cities?

No, there is currently no direct air service between the airports; all available options include a layover in Denver.

How much is the cheapest ticket?

Ticket prices are constantly changing depending on the season and demand; you can see the current minimum price in the low-price calendar on this page.

Which airport does the flight arrive at?

All flights on this route arrive at the regional airport of Sioux City (SUX), USA.

Where else you can fly from Rapid City

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DenverDallasMinneapolisChicagoPhoenixCharlotteHouston

Where else you can fly from Sioux City

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DenverChicago

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