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Flights from Ontario to Sioux Falls
There are no direct flights from Ontario to Sioux Falls. The fastest way is one stop via Denver or Dallas, about 4h 52m door to door (63 connections a week on current schedules).
No direct flights · 4 connection options From 4h 52m
Ontario to Sioux Falls at a glance
Fastest journey4h 52mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or Dallas
Best ways to fly from Ontario to Sioux Falls
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Denver (DEN) FSD
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Frontier Airlines, United Airlines, SkyWest
Sat13:30 ONT16:31 DEN1h 29m connection18:00 DEN20:22 FSDUnited Airlines
2Search
ONT Dallas (DFW) FSD
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines, Envoy Air
Mon12:45 ONT17:32 DFW1h 28m connection19:00 DFW20:54 FSDAmerican Airlines
3Search
ONT Phoenix (PHX) FSD
Leg 1: American Airlines, Southwest Airlines · Leg 2: SkyWest
Fri15:15 ONT16:17 PHX2h 58m connection19:15 PHX23:44 FSDSouthwest Airlines + SkyWest
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 2,089 km1,297 miles
- Journey time
- 4h 52mon current schedules
- Time difference
- +2hSioux Falls vs Ontario
- Currency in Sioux Falls
- USD
- Airports
- ONT → FSD
Flights from Ontario to Sioux Falls: questions answered
Are there direct flights from Ontario to Sioux Falls?
No. There is no nonstop service, so you will connect, most easily in Denver, Dallas and Phoenix. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Sioux Falls?
With one connection the journey usually takes around 4h 52m, depending on the layover. The straight-line distance is 2,089 km.
Where do you change planes between Ontario and Sioux Falls?
The best connecting points are Denver (DEN), Dallas (DFW), Phoenix (PHX) and Las Vegas (LAS). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Ontario and Sioux Falls?
Ontario: Ontario International Airport (ONT). Sioux Falls: Sioux Falls Regional Airport (FSD).
What is the time difference between Ontario and Sioux Falls?
Sioux Falls is 2 hours ahead of Ontario.





