$404 Find Cheap Flights from Washington Dulles Airport to Sioux City - Compare and Save

There are currently no nonstop flights available from Washington, D.C. Dulles Intl Airport to Sioux City. Flights with 1 layover take between 6h 43m and 7h 08m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $404 to $1,782. That means the highest observed fare was about 4x higher than the lowest one.

Sioux City Sioux Gateway Airport (SUX) hosts 5 major car rental companies, with daily rates averaging $80 for economy cars. Top options include:

• Alamo
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

Flights from Washington, D.C. Dulles Intl Airport to Sioux City usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Sioux City Sioux Gateway (SUX).

Connecting flights from Washington, D.C. Dulles Intl Airport to Sioux City most commonly pass through:

• Chicago O'Hare Intl (ORD) - 80% of one-stop connections
• Denver Intl (DEN) - 20% of one-stop connections

Yes. Flexible dates can save you up to 77% on flights from Washington, D.C. Dulles Intl Airport to Sioux City. Saturday is the cheapest departure day at $323 round-trip on average, while Thursday is the most expensive at $1,394, a difference of $1,071.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 43m, compared with 7h 08m via Chicago O'Hare Intl (ORD).

Sioux City is 1 hour behind Washington, D.C. Dulles Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.