Flights from Ontario to Buffalo (ONT → BUF)

ONT
Ontario
Ontario International Airport, USA
BUF
Buffalo
Buffalo Niagara International, USA
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No direct flights found. Here are the 12 fastest 1-stop options.
viaChicago(MDW)
ONT→MDW+1h 30mMDW→BUF
5h 36m
viaDenver(DEN)
ONT→DEN+1h 30mDEN→BUF
5h 37m
viaLas Vegas(LAS)
ONT→LAS+1h 30mLAS→BUF
5h 37m
viaChicago(ORD)
ONT→ORD+1h 30mORD→BUF
5h 37m
viaPhoenix(PHX)
ONT→PHX+1h 30mPHX→BUF
5h 44m
viaNashville(BNA)
ONT→BNA+1h 30mBNA→BUF
6h
viaDallas(DAL)
ONT→DAL+1h 30mDAL→BUF
6h 3m
viaDallas(DFW)
ONT→DFW+1h 30mDFW→BUF
6h 3m
viaBaltimore(BWI)
ONT→BWI+1h 30mBWI→BUF
6h 21m
viaAtlanta(ATL)
ONT→ATL+1h 30mATL→BUF
6h 26m
viaCharlotte(CLT)
ONT→CLT+1h 30mCLT→BUF
6h 28m
viaNew York(JFK)
ONT→JFK+1h 30mJFK→BUF
6h 39m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Ontario to Buffalo? Currently, there are no direct flights from ONT to BUF. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Buffalo.

Cheap flights from Ontario to Buffalo Cheapest month to fly to Buffalo Flights from USA Flights to USA Visa-free with USA passport All airports in USA

Try a nearby airport to Ontario

Flights to Buffalo (BUF) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → BUF 48 km from ONT Santa Ana → Buffalo USA · 48 destinations LGB → BUF 57 km from ONT Long Beach → Buffalo USA · 18 destinations BUR → BUF 71 km from ONT Burbank → Buffalo USA · 31 destinations LAX → BUF 75 km from ONT Los Angeles → Buffalo USA · 181 destinations VNY → BUF 84 km from ONT Los Angeles → Buffalo USA · 9 destinations

Or try a nearby airport to Buffalo

Flights from Ontario (ONT) to other airports within 350 km of Buffalo.

ONT → ROC 89 km from BUF Ontario → Rochester USA · 27 destinations ONT → YTZ 94 km from BUF Ontario → Toronto Canada · 19 destinations ONT → YHM 101 km from BUF Ontario → Hamilton Canada · 12 destinations ONT → YYZ 109 km from BUF Ontario → Toronto Canada · 194 destinations ONT → YXU 197 km from BUF Ontario → London Canada · 6 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →

Other flights from Buffalo (BUF)

Atlanta (ATL) Baltimore (BWI) Boston (BOS) Charlotte (CLT) Chicago (ORD) Chicago (MDW) Dallas (DFW) Dallas (DAL) All 29 destinations →