Need help booking?
Unpublished phone-only deals available
RFD to ONT: distance & flight time
Rockford (Chicago Rockford International Airport) → Ontario (Ontario International Airport)
1,639 mi
2,637 km · 1,424 nm
3h 41m
estimated nonstop flight time
-2h
time difference · heading west
See live RFD→ONT fares Phone-only fares on this route — call free
Flight time details
1,639 miles nonstop takes roughly 3h 41m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- RFD — Chicago Rockford International Airport · Rockford, United States
- ONT — Ontario International Airport · Ontario, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RFD
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is RFD from ONT?
The flight distance from Rockford (RFD) to Ontario (ONT) is 1,639 miles (2,637 km, 1,424 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to ONT?
A nonstop flight takes about 3h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Rockford and Ontario?
Ontario is 2 hours behind Rockford.
What is the cheapest way to fly from RFD to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–ONT that never appear on search engines, with no booking fees.