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Flights from Milwaukee to Ontario
There are no direct flights from Milwaukee to Ontario. The fastest way is one stop via Denver or Phoenix, about 5h 05m door to door (130 connections a week on current schedules).
No direct flights · 6 connection options From 5h 05m
Milwaukee to Ontario at a glance
Fastest journey5h 05mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or Phoenix
Best ways to fly from Milwaukee 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
MKE Denver (DEN) ONT
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Fri19:00 MKE20:14 DEN0h 46m connection21:00 DEN22:05 ONTSouthwest Airlines
2Search
MKE Phoenix (PHX) ONT
Leg 1: American Airlines, Frontier Airlines, Southwest Airlines · Leg 2: American Airlines, Southwest Airlines, Envoy Air
Fri06:00 MKE07:21 PHX0h 54m connection08:15 PHX09:15 ONTSouthwest Airlines
3Search
MKE Las Vegas (LAS) ONT
Leg 1: Frontier Airlines, Southwest Airlines, Sun Country Airlines · Leg 2: Frontier Airlines, Southwest Airlines
Thu06:15 MKE07:43 LAS1h 02m connection08:45 LAS09:34 ONTSouthwest Airlines
4Search
MKE Dallas (DFW) ONT
Leg 1: American Airlines · Leg 2: American Airlines, Frontier Airlines
Mon07:15 MKE09:25 DFW1h 20m connection10:45 DFW11:34 ONTAmerican Airlines
5Search
MKE Atlanta (ATL) ONT
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines
Mon05:45 MKE08:23 ATL1h 07m connection09:30 ATL10:40 ONTDelta Air Lines
6Search
MKE Chicago (ORD) ONT
Leg 1: American Airlines, United Airlines, SkyWest · Leg 2: United Airlines, Volaris
Sun19:30 MKE20:08 ORD2h 52m connection23:00 ORD00:56 ONTSkyWest + United 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
- 2,754 km1,710 miles
- Journey time
- 5h 05mon current schedules
- Time difference
- -2hOntario vs Milwaukee
- Currency in Ontario
- USD
- Airports
- MKE → ONT
Flights from Milwaukee to Ontario: questions answered
Are there direct flights from Milwaukee to Ontario?
No. There is no nonstop service, so you will connect, most easily in Denver, Phoenix and Las Vegas. 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 Milwaukee to Ontario?
With one connection the journey usually takes around 5h 05m, depending on the layover. The straight-line distance is 2,754 km.
Where do you change planes between Milwaukee and Ontario?
The best connecting points are Denver (DEN), Phoenix (PHX), Las Vegas (LAS) and Dallas (DFW). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Milwaukee and Ontario?
Milwaukee: General Mitchell International Airport (MKE). Ontario: Ontario International Airport (ONT).
What is the time difference between Milwaukee and Ontario?
Ontario is 2 hours behind Milwaukee.





