Chicago (ORD) to Ontario (ONT)
1 airline flies non-stop from Chicago to Ontario, with 1 flight running every day, typically about 4h 32m. Lowest cached fare seen: $173 (Nov 9, 2026).
Last updated Nov 9, 2026 · ORD airport · ONT airport
Cached price from Nov 9, 2026. Live prices may differ.
We may earn a commission if you book through this link.
Flights (2 operating)
| Airline | Flight | Departs | Arrives | Duration | Runs | Terminals |
|---|---|---|---|---|---|---|
| UA1904 | 16:15 | 18:47 | 272 min | Not published to 2 | ||
| UA658 | 20:20 | 22:51 | 271 min | Not published to 2 |
UA1904
16:15 to 18:47272 minNot published to 2- 20:20 to 22:51271 minNot published to 2
Departure and arrival times are local to each airport.
Times are local. Schedules can change; confirm with the airline before you travel.
Months with price data
- Nov 2026194
- Dec 2026212
- Jan 2027173
- Feb 2027177
- May 2027232
- Jul 2027231
- Aug 2027214
- Sep 2027215
Lowest direct one-way fare in USD found for each departure month in the latest snapshot. Months not shown have no price data; that does not mean they are cheaper or more expensive. Cheapest: Jan 2027 at $173. Cheapest weekday to fly: Thursday ($173).
More schedule details
Airline schedule patterns
| Airline | Flights listed | Per week | Every day | Departs |
|---|---|---|---|---|
| 2 | 12 | 1 | 16:15 to 20:20 |
Flight calendar
Flights per day, based on this route's current weekly schedule pattern — not a live date-by-date lookup.
Departure time of day
- Morning0
- Afternoon1
- Evening1
- Night0
Morning 05:00 to 11:59, afternoon 12:00 to 16:59, evening 17:00 to 20:59, night 21:00 to 04:59.
Departures by day of week
- Monday2
- Tuesday2
- Wednesday2
- Thursday2
- Friday1
- Saturday1
- Sunday2
Route map
Map tiles © OpenStreetMap contributors. Positions come from airport coordinates.
Other airports near ORD
Other airports near ONT
Search fares on AviasalesOpens a partner search for tomorrow. Fares are not a quote.
Things to do in Ontario
Richard Nixon Presidential Library and Museum: Fast Track Ticketfrom $29The Richard Nixon Foundation
iFLY Ontario (Los Angeles)from $125iFLY
Tickets and tours from Tiqets, shown for the area around the airport. Prices checked Nov 9, 2026 and may change. These are affiliate links: we may earn a commission if you book, at no extra cost to you.
Plan your trip
These are affiliate links. We may earn a commission if you book through them, at no extra cost to you.