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BUF to SFO: distance & flight time
Buffalo (Buffalo Niagara International Airport) → San Francisco (San Francisco International Airport)
2,303 mi
3,707 km · 2,002 nm
4h 59m
estimated nonstop flight time
-3h
time difference · heading west
See live BUF→SFO fares Phone-only fares on this route — call free
Flight time details
2,303 miles nonstop takes roughly 4h 59m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- SFO — San Francisco International Airport · San Francisco, 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 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
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is BUF from SFO?
The flight distance from Buffalo (BUF) to San Francisco (SFO) is 2,303 miles (3,707 km, 2,002 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to SFO?
A nonstop flight takes about 4h 59m 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 Buffalo and San Francisco?
San Francisco is 3 hours behind Buffalo.
What is the cheapest way to fly from BUF to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–SFO that never appear on search engines, with no booking fees.