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ONT to YXU: distance & flight time
Ontario (Ontario International Airport) → London (London Airport)
2,047 mi
3,294 km · 1,779 nm
4h 29m
estimated nonstop flight time
+3h
time difference · heading northeast
See live ONT→YXU fares Phone-only fares on this route — call free
Flight time details
2,047 miles nonstop takes roughly 4h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- YXU — London Airport · London, Canada
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near YXU
- YQS · St Thomas Municipal Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome25 mi away
- YYZ · Lester B. Pearson International Airport88 mi away
- YKF · Waterloo Airport49 mi away
Frequently asked questions
How far is ONT from YXU?
The flight distance from Ontario (ONT) to London (YXU) is 2,047 miles (3,294 km, 1,779 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to YXU?
A nonstop flight takes about 4h 29m 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 Ontario and London?
London is 3 hours ahead of Ontario.
What is the cheapest way to fly from ONT to YXU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–YXU that never appear on search engines, with no booking fees.