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ONO to BUF: distance & flight time
Ontario (Ontario Municipal Airport) → Buffalo (Buffalo Niagara International Airport)
1,903 mi
3,063 km · 1,654 nm
4h 12m
estimated nonstop flight time
+2h
time difference · heading east
See live ONO→BUF fares Phone-only fares on this route — call free
Flight time details
1,903 miles nonstop takes roughly 4h 12m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, United States
- BUF — Buffalo Niagara International Airport · Buffalo, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is ONO from BUF?
The flight distance from Ontario (ONO) to Buffalo (BUF) is 1,903 miles (3,063 km, 1,654 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to BUF?
A nonstop flight takes about 4h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ONO to BUF?
Nonstop service on ONO–BUF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 4h 12m nonstop estimate.
What is the time difference between Ontario and Buffalo?
Buffalo is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONO to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–BUF that never appear on search engines, with no booking fees.
Why are some ONO to BUF fares phone-only?
Consolidator contracts let us sell certain ONO–BUF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.