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Flights from Dayton to Ontario
There are no direct flights from Dayton to Ontario. The fastest way is one stop via Denver or Atlanta, about 5h 53m door to door (35 connections a week on current schedules).
No direct flights · 3 connection options From 5h 53m
Dayton to Ontario at a glance
Fastest journey5h 53mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or Atlanta
Best ways to fly from Dayton 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
DAY Denver (DEN) ONT
Leg 1: United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Thu09:45 DAY10:32 DEN0h 58m connection11:30 DEN12:38 ONTUnited Airlines
2Search
DAY Atlanta (ATL) ONT
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines
Mon18:45 DAY20:02 ATL0h 58m connection21:00 ATL22:10 ONTDelta Air Lines
3Search
DAY Chicago (ORD) ONT
Leg 1: United Airlines, Envoy Air, GoJet Airlines · Leg 2: United Airlines, Volaris
Mon18:15 DAY18:12 ORD2h 18m connection20:30 ORD22:26 ONTGoJet Airlines + 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
- 3,023 km1,877 miles
- Journey time
- 5h 53mon current schedules
- Time difference
- -3hOntario vs Dayton
- Currency in Ontario
- USD
- Airports
- DAY → ONT
Flights from Dayton to Ontario: questions answered
Are there direct flights from Dayton to Ontario?
No. There is no nonstop service, so you will connect, most easily in Denver, Atlanta and Chicago. 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 Dayton to Ontario?
With one connection the journey usually takes around 5h 53m, depending on the layover. The straight-line distance is 3,023 km.
Where do you change planes between Dayton and Ontario?
The best connecting points are Denver (DEN), Atlanta (ATL) and Chicago (ORD). United Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Dayton and Ontario?
Dayton: James M. Cox Dayton International Airport (DAY). Ontario: Ontario International Airport (ONT).
What is the time difference between Dayton and Ontario?
Ontario is 3 hours behind Dayton.





