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SUX to IAD: distance & flight time
Sioux City (Sioux Gateway Col. Bud Day Field) → Washington (Washington Dulles International Airport)
1,018 mi
1,638 km · 885 nm
2h 41m
estimated nonstop flight time
+1h
time difference · heading east
See live SUX→IAD fares Phone-only fares on this route — call free
Flight time details
1,018 miles nonstop takes roughly 2h 41m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SUX — Sioux Gateway Col. Bud Day Field · Sioux City, United States
- IAD — Washington Dulles International Airport · Washington, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SUX
- OFK · Karl Stefan Memorial Airport61 mi away
- YKN · Chan Gurney Municipal Airport62 mi away
- FET · Fremont Municipal Airport66 mi away
- OMA · Eppley Airfield80 mi away
Frequently asked questions
How far is SUX from IAD?
The flight distance from Sioux City (SUX) to Washington (IAD) is 1,018 miles (1,638 km, 885 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUX to IAD?
A nonstop flight takes about 2h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sioux City and Washington?
Washington is 1 hour ahead of Sioux City.
What is the cheapest way to fly from SUX to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUX–IAD that never appear on search engines, with no booking fees.