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ONT to GWY: distance & flight time
Ontario (Ontario International Airport) → Galway (Galway Airport)
5,051 mi
8,129 km · 4,389 nm
10h 22m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ONT→GWY fares Phone-only fares on this route — call free
Flight time details
5,051 miles nonstop takes roughly 10h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- GWY — Galway Airport · Galway, Ireland
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 GWY
- NNR · Connemara Regional Airport22 mi away
- INQ · Inisheer Aerodrome29 mi away
- IIA · Inishmaan Aerodrome30 mi away
- IOR · Inishmore Aerodrome32 mi away
Frequently asked questions
How far is ONT from GWY?
The flight distance from Ontario (ONT) to Galway (GWY) is 5,051 miles (8,129 km, 4,389 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to GWY?
A nonstop flight takes about 10h 22m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ONT to GWY?
Nonstop service on ONT–GWY depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 22m nonstop estimate.
What is the time difference between Ontario and Galway?
Galway is 8 hours ahead of Ontario.
What is the cheapest way to fly from ONT to GWY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–GWY that never appear on search engines, with no booking fees.
Why are some ONT to GWY fares phone-only?
Consolidator contracts let us sell certain ONT–GWY tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.