Cheap Flights to Sioux County from $165

The cheapest month to fly to Sioux County is August when there's less demand. Off-peak months are often when you'll find cheap flights. To save money, steer clear of flying during public and school holidays.

Get cheap flights to Sioux County from Chicago, Minneapolis - St. Paul and Denver. These cities generally offer the lowest fares to this destination. But bear in mind that holiday periods, stopovers and demand will also have an influence on rates, so remain flexible and book when prices are right.

Take your pick of 8 US cities with direct flights to Sioux County. When reserving on Expedia, click on "Direct flights only" to compare nonstop options. Fly to Sioux County from any of these cities:

• Chicago
• Minneapolis - St. Paul
• Denver
• Dallas
• Phoenix

If you're eager to find cheap flights to Sioux County, consider traveling in the low season. Booking as far in advance as possible is also likely to save you money. Or, look for departures on a different day — Thursday flights are on average 16% cheaper than Sunday options.* Opt to receive flight price alerts on the Expedia app and get notifications when fares fall.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Although booking in advance is typically the best way to save money, don't worry if your Sioux County trip is last minute. It's still possible to find cheap flights to Sioux County, especially if your plans have a little leeway. Try switching up your travel dates, exploring different ticket types or jetting out of another airport.

Lock in your flight to Sioux County two to four months ahead if you're flying in from an international destination. For domestic travel, the general guideline is 28 days in advance. Cheaper tickets and a wider variety of departure dates, schedules and seating options are just a few of the benefits of booking early.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You can save an average of 8% if you buy plane tickets on a Sunday rather than Fridays, which tend to be the most expensive day to book.* When it comes to getting a cheap flight to Sioux County, timing makes a difference.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Whether you want to sit in first class or save your pennies in economy, these airlines will fly you to Sioux County:

• United Airlines - 121 flights to Sioux County each month, including 121 flights to Bismarck Municipal Airport (BIS) per month.
• Delta Air Lines - 117 flights to Sioux County each month, including 117 flights to Bismarck Municipal Airport (BIS) per month.

Bundle your hotel and flight and you could save hundreds of dollars. Plus, you can add extras like car rentals and tours to your Sioux County flight and hotel package deal. With Expedia, it's easy to book all your Sioux County travel arrangements in the same place.

If you booked your flight to Sioux County in the last 24 hours, you can usually cancel or change it without fees. After that, extra charges may apply depending on the airline's rules and restrictions. To learn more, head to our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may receive a credit for a future flight in place of a direct refund. During your search on Expedia, select the "Changes included" or "No cancel fee" boxes to see tickets with flexible change policies.