Need help booking?
Unpublished phone-only deals available
ONT to MAD: distance & flight time
Ontario (Ontario International Airport) → Madrid (Adolfo Suárez Madrid–Barajas Airport)
5,795 mi
9,326 km · 5,036 nm
11h 50m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→MAD fares Phone-only fares on this route — call free
Flight time details
5,795 miles nonstop takes roughly 11h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- MAD — Adolfo Suárez Madrid–Barajas Airport · Madrid, Spain
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 MAD
- TOJ · Torrejón Airport6 mi away
- ECV · Cuatro Vientos Airport14 mi away
- SLM · Salamanca Airport107 mi away
- VLL · Valladolid Airport109 mi away
Frequently asked questions
How far is ONT from MAD?
The flight distance from Ontario (ONT) to Madrid (MAD) is 5,795 miles (9,326 km, 5,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to MAD?
A nonstop flight takes about 11h 50m 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 Madrid?
Madrid is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to MAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–MAD that never appear on search engines, with no booking fees.