Direct flights from Chicago to Ontario (ORD → ONT)

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

Available flights

Southwest AirlinesNon-stop
from$301
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Frequently asked questions

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

Cheapest fares Chicago → Ontario

Chicago ORD
Ontario ONT
May from $198 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 Chicago → Ontario.

Cheap flights from Chicago to Ontario Cheapest month to fly to Ontario 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 Chicago

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

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

Or try a nearby airport to Ontario

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

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

Other flights from Ontario (ONT)

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