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ONT to SIF: distance & flight time
Ontario (Ontario International Airport) → Simara (Simara Airport)
7,956 mi
12,804 km · 6,914 nm
16h 4m
estimated nonstop flight time
+12.8h
time difference · heading north
See live ONT→SIF fares Phone-only fares on this route — call free
Flight time details
7,956 miles nonstop takes roughly 16h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.8-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- SIF — Simara Airport · Simara, Nepal
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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Frequently asked questions
How far is ONT from SIF?
The flight distance from Ontario (ONT) to Simara (SIF) is 7,956 miles (12,804 km, 6,914 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to SIF?
A nonstop flight takes about 16h 4m 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 Simara?
Simara is 12.8 hours ahead of Ontario.
What is the cheapest way to fly from ONT to SIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–SIF that never appear on search engines, with no booking fees.