$209 Cheap Flights from Chicago (ORD) to Sioux Falls (FSD)

Chicago (ORD) to Sioux Falls (FSD) at a glance

Travel from Chicago O'Hare International Airport (ORD) to Sioux Falls Regional Airport (FSD) with a range of airlines on this short domestic route. Explore various options from both full-service and low-cost carriers to discover the itinerary that aligns with your budget, schedule, and travel plans as you experience the notable attractions and neighborhoods of Sioux Falls. Check out the essential details for flights from Chicago to Sioux Falls to help you plan your trip effectively.

• Fastest flight duration: around 1h 45m non-stop
• Route distance: roughly 450 miles (725 km)
• Flights per week: around 13 departures on average
• Typical fares (one-way): economy tickets often range from $95–$380, depending on seasonality and how far ahead you book

Flights from O'Hare International Airport (ORD) to Sioux Falls Regional Airport (FSD)

Based on the latest traveler bookings, here are the top airlines favored for flights from Chicago to Sioux Falls, offering both non-stop and one-stop options. Common layover points include Minneapolis - St. Paul International Airport (MSP) with a layover of about 1 hour and 30 minutes, and Denver International Airport (DEN) with a layover of approximately 3 hours and 45 minutes. These choices allow you to balance price, total travel time, and cabin class to create your ideal itinerary.

• United: This full-service airline provides both non-stop and one-stop flights, typically charging one-way fares between $95 and $415. It dominates the route with around 54% of the departures, and the average non-stop flight duration is 1 hour and 45 minutes.
• American Airlines: As another full-service option, American Airlines offers non-stop flights with one-way prices ranging from $95 to $360. It accounts for about 42% of the departures on this route, with a total travel time of 1 hour and 45 minutes.
• Delta: Delta serves this route with one-stop flights, featuring one-way fares that generally fall between $125 and $765. It represents roughly 2% of departures, resulting in an in-flight duration of 3 hours and a complete travel time of approximately 5 hours and 30 minutes, including layovers.
• Frontier Airlines: As a low-cost carrier, Frontier Airlines provides one-stop services with one-way fares typically ranging from $95 to $205. It makes up about 1% of the departures for this route, with a flight time of 3 hours and a total journey duration of around 5 hours and 30 minutes, including layover time.

Travelers can opt to elevate their experience on flights from Chicago to Sioux Falls, with both United and American Airlines providing first class service for this route.

Best time to fly from Chicago (ORD) to Sioux Falls (FSD)

The most popular months for travelers flying from Chicago to Sioux Falls are January, March, and April, when peak temperatures in Sioux Falls reach up to 46.2°F in April. If you prefer quieter travel, consider May, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 58.6°F. For better deals, December usually offers the lowest average one-way fare around $193. Flight availability peaks in August, with approximately 16 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: December usually offers good deals with average one-way fare around $193, roughly 14% cheaper than the yearly average.
• More budget-friendly months to fly: May, August, and April typically offer average one-way fares of around $202.
• Most flight options: August has the highest number of flights from Chicago to Sioux Falls, with approximately 16 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Chicago (ORD) to Sioux Falls (FSD)

• Chicago to Sioux Falls (PWK-FSD): Located about 10 miles from O'Hare International Airport (ORD), Chicago Executive Airport (PWK) serves this route.
• Chicago to Sioux Falls (MDW-FSD): Midway International Airport (MDW) is approximately 16 miles from O'Hare International Airport (ORD), providing another option for travelers.

How to find the best prices for flights from Chicago (ORD) to Sioux Falls (FSD)

Getting some of the best deals on flights from Chicago to Sioux Falls is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, yet most travelers tend to book within two weeks. Morning departures, between 5 am and 12 pm, not only offer lower prices but are also the most popular flight times. Additionally, flying on Fridays provides both better prices and is the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Sioux Falls hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sioux Falls Regional Airport from O'Hare International Airport

Sioux Falls welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Here's how to reach Sioux Falls efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Sioux Falls, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Sioux Falls Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sioux Falls Regional Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Chicago to Sioux Falls Flights

The cheapest times to fly from Chicago to Sioux Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Sioux Falls are during the month of May. You can find some of the cheapest flights from Chicago to Sioux Falls with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Chicago to Sioux Falls

Sunday is one of the best days to book for cheap flights from Chicago to Sioux Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Chicago to Sioux Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Sioux Falls in 2026. You can also book with separate airlines for your outbound and return journeys, from $209 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Sioux Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Sioux Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.