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CFN to ONT: distance & flight time
Dongloe (Donegal Airport) → Ontario (Ontario International Airport)
5,002 mi
8,050 km · 4,347 nm
10h 16m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CFN→ONT fares Phone-only fares on this route — call free
Flight time details
5,002 miles nonstop takes roughly 10h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- CFN — Donegal Airport · Dongloe, Ireland
- 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 CFN
- LDY · City of Derry Airport47 mi away
- ENK · St Angelo Airport52 mi away
- SXL · Sligo Airport54 mi away
- NOC · Ireland West Knock Airport81 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 CFN from ONT?
The flight distance from Dongloe (CFN) to Ontario (ONT) is 5,002 miles (8,050 km, 4,347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CFN to ONT?
A nonstop flight takes about 10h 16m 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 Dongloe and Ontario?
Ontario is 8 hours behind Dongloe.
What is the cheapest way to fly from CFN to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CFN–ONT that never appear on search engines, with no booking fees.