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ONT to VSE: distance & flight time
Ontario (Ontario International Airport) → Viseu (Aerodromo Goncalves Lobato (Viseu Airport))
5,608 mi
9,025 km · 4,873 nm
11h 28m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ONT→VSE fares Phone-only fares on this route — call free
Flight time details
5,608 miles nonstop takes roughly 11h 28m 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
- VSE — Aerodromo Goncalves Lobato (Viseu Airport) · Viseu, Portugal
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 VSE
- VRL · Vila Real Airport39 mi away
- OPO · Francisco de Sá Carneiro Airport55 mi away
- BGZ · Braga Municipal Aerodrome66 mi away
- QLR · Monte Real Air Base81 mi away
Frequently asked questions
How far is ONT from VSE?
The flight distance from Ontario (ONT) to Viseu (VSE) is 5,608 miles (9,025 km, 4,873 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to VSE?
A nonstop flight takes about 11h 28m 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 Viseu?
Viseu is 8 hours ahead of Ontario.
What is the cheapest way to fly from ONT to VSE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–VSE that never appear on search engines, with no booking fees.