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ONT to RLK: distance & flight time
Ontario (Ontario International Airport) → Bayannur (Bayannur Tianjitai Airport)
6,508 mi
10,474 km · 5,655 nm
13h 14m
estimated nonstop flight time
+15h
time difference · heading northwest
See live ONT→RLK fares Phone-only fares on this route — call free
Flight time details
6,508 miles nonstop takes roughly 13h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- RLK — Bayannur Tianjitai Airport · Bayannur, China
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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 mi away
Frequently asked questions
How far is ONT from RLK?
The flight distance from Ontario (ONT) to Bayannur (RLK) is 6,508 miles (10,474 km, 5,655 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to RLK?
A nonstop flight takes about 13h 14m 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 Bayannur?
Bayannur is 15 hours ahead of Ontario.
What is the cheapest way to fly from ONT to RLK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–RLK that never appear on search engines, with no booking fees.