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GLA to ONT: distance & flight time
Glasgow (Glasgow International Airport) → Ontario (Ontario International Airport)
5,092 mi
8,195 km · 4,425 nm
10h 27m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GLA→ONT fares Phone-only fares on this route — call free
Flight time details
5,092 miles nonstop takes roughly 10h 27m 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
- GLA — Glasgow International Airport · Glasgow, United Kingdom
- 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 GLA
- PIK · Glasgow Prestwick Airport26 mi away
- EDI · Edinburgh Airport41 mi away
- OBN · Oban Airport55 mi away
- CAL · Campbeltown Airport57 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 GLA from ONT?
The flight distance from Glasgow (GLA) to Ontario (ONT) is 5,092 miles (8,195 km, 4,425 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLA to ONT?
A nonstop flight takes about 10h 27m 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 Glasgow and Ontario?
Ontario is 8 hours behind Glasgow.
What is the cheapest way to fly from GLA to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLA–ONT that never appear on search engines, with no booking fees.