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Flights from Sioux Falls to Ontario
There are no direct flights from Sioux Falls to Ontario. The fastest way is one stop via Denver or Las Vegas, about 4h 35m door to door (41 connections a week on current schedules).
No direct flights · 4 connection options From 4h 35m
Sioux Falls to Ontario at a glance
Fastest journey4h 35mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or Las Vegas
Best ways to fly from Sioux Falls to Ontario
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
FSD Denver (DEN) ONT
Leg 1: Frontier Airlines, United Airlines, SkyWest · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Fri21:00 FSD21:28 DEN1h 02m connection22:30 DEN23:35 ONTFrontier Airlines
2Search
FSD Las Vegas (LAS) ONT
Leg 1: Allegiant Air · Leg 2: Frontier Airlines, Southwest Airlines
Thu12:45 FSD13:29 LAS2h 16m connection15:45 LAS16:36 ONTAllegiant Air + Frontier Airlines
3Search
FSD Dallas (DFW) ONT
Leg 1: American Airlines · Leg 2: American Airlines, Frontier Airlines
Mon07:30 FSD09:30 DFW1h 15m connection10:45 DFW11:34 ONTAmerican Airlines
4Search
FSD Phoenix (PHX) ONT
Leg 1: SkyWest · Leg 2: American Airlines, Southwest Airlines, Envoy Air
Mon08:15 FSD09:04 PHX3h 11m connection12:15 PHX13:15 ONTSkyWest + Southwest Airlines
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 35mon current schedules
- Time difference
- -2hOntario vs Sioux Falls
- Currency in Ontario
- USD
- Airports
- FSD → ONT
Flights from Sioux Falls to Ontario: questions answered
Are there direct flights from Sioux Falls to Ontario?
No. There is no nonstop service, so you will connect, most easily in Denver, Las Vegas and Dallas. 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 Sioux Falls to Ontario?
With one connection the journey usually takes around 4h 35m, depending on the layover. The straight-line distance is 2,089 km.
Where do you change planes between Sioux Falls and Ontario?
The best connecting points are Denver (DEN), Las Vegas (LAS), Dallas (DFW) and Phoenix (PHX). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Sioux Falls and Ontario?
Sioux Falls: Sioux Falls Regional Airport (FSD). Ontario: Ontario International Airport (ONT).
What is the time difference between Sioux Falls and Ontario?
Ontario is 2 hours behind Sioux Falls.





