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ONT to RTM: distance & flight time
Ontario (Ontario International Airport) → Rotterdam (Rotterdam The Hague Airport)
5,541 mi
8,918 km · 4,815 nm
11h 20m
estimated nonstop flight time
+9h
time difference · heading northeast
See live ONT→RTM fares Phone-only fares on this route — call free
Flight time details
5,541 miles nonstop takes roughly 11h 20m 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
- RTM — Rotterdam The Hague Airport · Rotterdam, Netherlands
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 RTM
- AMS · Amsterdam Airport Schiphol28 mi away
- LID · Valkenburg Naval Air Base14 mi away
- GLZ · Gilze Rijen Air Base34 mi away
- WOE · Woensdrecht Air Base35 mi away
Frequently asked questions
How far is ONT from RTM?
The flight distance from Ontario (ONT) to Rotterdam (RTM) is 5,541 miles (8,918 km, 4,815 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to RTM?
A nonstop flight takes about 11h 20m 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 Rotterdam?
Rotterdam is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONT to RTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–RTM that never appear on search engines, with no booking fees.