Direct flights from Ontario to Chicago (ONT → ORD)

Distance 2,730 km (1,696 mi)
Est. duration 3h 13m
ONT
Ontario
Ontario International Airport, USA
ORD
Chicago
Chicago O Hare International, USA
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Live fares · ONT → ORD

Available flights

Frontier AirlinesNon-stop
from$245
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Frequently asked questions

How far is the flight from Ontario to Chicago? The flight distance from ONT to ORD is approximately 2,730 km (1,696 miles).
How long is the flight from ONT to ORD? The estimated flight time from Ontario to Chicago is approximately 3h 13m.
What airlines fly from ONT to ORD? Airlines operating direct flights from Ontario to Chicago include: UA.

Cheapest fares Ontario → Chicago

Ontario ONT
Chicago ORD
May — June — July — August — September — October —

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Chicago.

Cheap flights from Ontario to Chicago Cheapest month to fly to Chicago Flights from USA Flights to USA Visa-free with USA passport All airports in USA UA routes & destinations All routes by this carrier

Try a nearby airport to Ontario

Flights to Chicago (ORD) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → ORD 48 km from ONT Santa Ana → Chicago USA · 48 destinations LGB → ORD 57 km from ONT Long Beach → Chicago USA · 18 destinations BUR → ORD 71 km from ONT Burbank → Chicago USA · 31 destinations LAX → ORD 75 km from ONT Los Angeles → Chicago USA · 181 destinations VNY → ORD 84 km from ONT Los Angeles → Chicago USA · 9 destinations

Or try a nearby airport to Chicago

Flights from Ontario (ONT) to other airports within 350 km of Chicago.

ONT → MDW 25 km from ORD Ontario → Chicago USA · 97 destinations ONT → RFD 101 km from ORD Ontario → Rockford USA · 8 destinations ONT → MKE 108 km from ORD Ontario → Milwaukee USA · 34 destinations ONT → SBN 135 km from ORD Ontario → South Bend USA · 22 destinations ONT → MSN 175 km from ORD Ontario → Madison USA · 19 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Dallas (DAL) Dallas (DFW) All 31 destinations →

Other flights from Chicago (ORD)

Abu Dhabi (AUH) Addis Ababa (ADD) Akron (CAK) Albany (ALB) Albuquerque (ABQ) Allentown (ABE) Amman (AMM) Amsterdam (AMS) All 282 destinations →