Flight Routes from Chicago O'Hare to Ontario

Compare cheap outbound and return flights from Chicago O'Hare (ORD) to Ontario (ONT) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€413
Flight distance
2,733 km
Time difference

Cheap flight offers from Chicago O'Hare to Ontario

sorted by price and recency
  1. –
    United Airlines
    –
    ORD–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–ORD
    1 stopover
    €413
  2. –
    Alaska Airlines
    –
    ORD–ONT
    1 stopover
    American Airlines
    –
    ONT–ORD
    1 stopover
    €632
  3. –
    United Airlines
    –
    ORD–ONT
    1 stopover
    United Airlines
    –
    ONT–ORD
    1 stopover
    €476
  4. –
    Alaska Airlines
    –
    ORD–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–ORD
    1 stopover
    €469
  5. –
    Alaska Airlines
    –
    ORD–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–ORD
    1 stopover
    €3,019
  6. –
    United Airlines
    –
    ORD–ONT
    1 stopover
    United Airlines
    –
    ONT–ORD
    1 stopover
    €467

Flight schedule from Chicago O'Hare (ORD) to Ontario (ONT)

Select a travel date in the flight schedule for the route from Chicago O'Hare (ORD) to Ontario (ONT) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsORD–ONT · 3 of 3
fromto
dep.arr.
durationstopovers
  1. November 15 – 21, 2026
  2. November 22 – 28, 2026
  3. Nov 29 – Dec 5, 2026
    1. ORDONT
      nonstop
      1. United Airlines
    2. ORDONT
      nonstop
      1. United Airlines
    3. ORDONT
      nonstop
      1. United Airlines

      Important flight information

      Discover more flights around Chicago O'Hare and Ontario

      Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
      Arrival airport Airport Ontario-CA (ONT)
      Destination country Flights to United States
      City-Code - Arrival airport Chicago - Ontario-CA
      Departure airport - Destination country Chicago O'Hare International Airport, IL - United States
      Alternative routes to United States
      Alternative flights to Ontario
      Flight destinations with a similar price
      Flight destinations with a similar price