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SUX to SEA: distance & flight time
Sioux City (Sioux Gateway Col. Bud Day Field) → Seattle (Seattle Tacoma International Airport)
1,308 mi
2,106 km · 1,137 nm
3h 19m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SUX→SEA fares Phone-only fares on this route — call free
Flight time details
1,308 miles nonstop takes roughly 3h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- SUX — Sioux Gateway Col. Bud Day Field · Sioux City, United States
- SEA — Seattle Tacoma International Airport · Seattle, 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
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is SUX from SEA?
The flight distance from Sioux City (SUX) to Seattle (SEA) is 1,308 miles (2,106 km, 1,137 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUX to SEA?
A nonstop flight takes about 3h 19m 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 Seattle?
Seattle is 2 hours behind Sioux City.
What is the cheapest way to fly from SUX to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUX–SEA that never appear on search engines, with no booking fees.