Milwaukee to Ontario (MKE–ONT) — Airlines, Schedules & Connections

MKE Airport Page →
1,709 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 15 1-stop flights Verified 3mos ago
No nonstop service between MKE and ONT. Nearest airports to MKE with scheduled service: Chicago O'Hare International Airport (ORD, 67 mi) · Chicago Midway International Airport (MDW, 81 mi) · Dane County Regional Truax Field (MSN, 74 mi)
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

Last scheduled nonstop: Jun 2026.

✦ 1-Stop connections via 10 hubs
LAS Las Vegas 5h 40m COLWN → EJAF9WN Las Vegas (LAS) to Ontario flights
DEN Denver 5h 42m UAWN → ACF9UA Denver (DEN) to Ontario flights
PHX Phoenix 5h 43m AAWN → AAWN Phoenix (PHX) to Ontario flights
MDW Chicago 6h WN → WN Chicago (MDW) to Ontario flights
BNA Nashville 6h 33m WN → WN Nashville (BNA) to Ontario flights
DFW Dallas-Fort Worth 6h 42m AAG3QF → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
ORD Chicago 6h 43m AAACAS → UA Chicago (ORD) to Ontario flights
DAL Dallas 6h 55m WN → WN Dallas (DAL) to Ontario flights
ATL Atlanta 7h 18m AFAMDL → AFAMDL Atlanta (ATL) to Ontario flights
SLC Salt Lake City 7h 21m DLKE → AFAMDL Salt Lake City (SLC) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Milwaukee to Ontario
Connecting service available through multiple hubs.
1,709 mi 3h 43m nonstop -2h behind

While no nonstop service exists between MKE and ONT, 1-stop connecting options are available.

Also explore Browse available seat maps MKE Routes ONT Routes MKE Live Flights ONT Live Flights MKE Delays ONT Delays
All flights from Ontario (ONT) Ontario to Milwaukee flights
Connections

Connection Landscape

1-stop and 2-stop options for MKE to ONT.
1-STOP
One-Stop Connections
15
Hubs
~5h
Fastest
~14h
Longest
LAS ~5h 40m DEN ~5h 42m PHX ~5h 43m MDW ~6h 0m BNA ~6h 33m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
604
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
MKE → ONT
94%
Generally reliable. Most flights run on time.
Departing
94%
Arriving
50%
Return
ONT → MKE
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
75%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MKE delays → ONT delays →
Alternatives

Other ways to reach Ontario from Milwaukee

Nearby airports with service to Ontario International Airport.
Metric MKE→ONT ORD→ONT RFD→ONT
Distance from MKE – 67 mi 80 mi
Nonstop airlines – 3 2
Weekly flights – 14 –
Flight time 3h 43m 4h 10m 3h 49m
Departure OTP 94% – –
Chicago (ORD) to Ontario flights · Chicago/Rockford (RFD) to Ontario flights · Chicago (MDW) to Ontario flights
Airports within 200 miles of MKE with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Ontario is 2 hours behind Milwaukee.
MKE: CDT · ONT: PDT

When it's 6:00 PM in Milwaukee, it's 4:00 PM in Ontario.
Distance & Flight Time
1,709 mi / 2,750 km
Nonstop flight time is approximately 3h 43m gate to gate.
Facts

MKE–ONT Quick Facts

Key statistics for the Milwaukee to Ontario route.
Route details
Distance1,709 mi / 2,750 km
Flight time3h 43m
Time difference-2 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: MKE
Full nameGeneral Mitchell International Airport
IATA / ICAOMKE / KMKE
TimezoneAmerica/Chicago
Passengers/yr6.2M
Elevation723 ft / 220 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about MKE to ONT flights.
Nonstop flights from General Mitchell International Airport to Ontario International Airport take about 3h 43m gate to gate. The route covers 1,709 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Harry Reid, Denver and Phoenix Sky Harbor.
On a single ticket, yes. Your bags are checked through to ONT and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Ontario is 2 hours behind Milwaukee.
Yes, return flights from ONT to MKE are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD, RFD and MDW. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MKE to ONT

General Mitchell International Airport (MKE) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

MKE to ONT Flight Duration and Schedule

Nonstop flight time from MKE to ONT is about 3 hours 43 minutes gate to gate. The route covers a distance of 1,709 miles (2,750 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Harry Reid, Denver and Phoenix Sky Harbor. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Chicago/Rockford (RFD) and Chicago (MDW).