Need help booking?
Unpublished phone-only deals available
TRI to SFO: distance & flight time
BRISTOL (Tri-Cities Regional TN/VA Airport) → San Francisco (San Francisco International Airport)
2,189 mi
3,522 km · 1,902 nm
4h 45m
estimated nonstop flight time
-3h
time difference · heading west
See live TRI→SFO fares Phone-only fares on this route — call free
Flight time details
2,189 miles nonstop takes roughly 4h 45m 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
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 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 TRI from SFO?
The flight distance from BRISTOL (TRI) to San Francisco (SFO) is 2,189 miles (3,522 km, 1,902 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRI to SFO?
A nonstop flight takes about 4h 45m 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 BRISTOL and San Francisco?
San Francisco is 3 hours behind BRISTOL.
What is the cheapest way to fly from TRI to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–SFO that never appear on search engines, with no booking fees.