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SPA to ONT: distance & flight time
Spartangurg (Spartanburg Downtown Memorial Airport) → Ontario (Ontario International Airport)
2,020 mi
3,251 km · 1,755 nm
4h 26m
estimated nonstop flight time
—
time difference · heading west
See live SPA→ONT fares Phone-only fares on this route — call free
Flight time details
2,020 miles nonstop takes roughly 4h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SPA — Spartanburg Downtown Memorial Airport · Spartangurg, United States
- 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 SPA
- GSP · Greenville Spartanburg International Airport15 mi away
- CLT · Charlotte Douglas International Airport61 mi away
- GMU · Greenville Downtown Airport23 mi away
- GDC · Donaldson Field Airport26 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 SPA from ONT?
The flight distance from Spartangurg (SPA) to Ontario (ONT) is 2,020 miles (3,251 km, 1,755 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPA to ONT?
A nonstop flight takes about 4h 26m 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 cheapest way to fly from SPA to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPA–ONT that never appear on search engines, with no booking fees.