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MEM to ONT: distance & flight time
Memphis (Memphis International Airport) → Ontario (Ontario International Airport)
1,569 mi
2,524 km · 1,363 nm
3h 33m
estimated nonstop flight time
-2h
time difference · heading west
See live MEM→ONT fares Phone-only fares on this route — call free
Flight time details
1,569 miles nonstop takes roughly 3h 33m 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
- MEM — Memphis International Airport · Memphis, 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 MEM
- OLV · Olive Branch Airport12 mi away
- NQA · Millington-Memphis Airport23 mi away
- UTM · Tunica Municipal Airport33 mi away
- UOX · University Oxford Airport52 mi away
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 MEM from ONT?
The flight distance from Memphis (MEM) to Ontario (ONT) is 1,569 miles (2,524 km, 1,363 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MEM to ONT?
A nonstop flight takes about 3h 33m 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 Memphis and Ontario?
Ontario is 2 hours behind Memphis.
What is the cheapest way to fly from MEM to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MEM–ONT that never appear on search engines, with no booking fees.