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BIR to ONT: distance & flight time
Biratnagar (Biratnagar Airport) → Ontario (Ontario International Airport)
7,948 mi
12,791 km · 6,907 nm
16h 3m
estimated nonstop flight time
-12.7h
time difference · heading northeast
See live BIR→ONT fares Phone-only fares on this route — call free
Flight time details
7,948 miles nonstop takes roughly 16h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.7-hour time set-back when reading arrival times on your ticket.
The two airports
- BIR — Biratnagar Airport · Biratnagar, Nepal
- ONT — Ontario International Airport · Ontario, United States
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 BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 mi away
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
Frequently asked questions
How far is BIR from ONT?
The flight distance from Biratnagar (BIR) to Ontario (ONT) is 7,948 miles (12,791 km, 6,907 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIR to ONT?
A nonstop flight takes about 16h 3m 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 Biratnagar and Ontario?
Ontario is 12.7 hours behind Biratnagar.
What is the cheapest way to fly from BIR to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIR–ONT that never appear on search engines, with no booking fees.