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WBU to SFO: distance & flight time
Boulder (Boulder Municipal Airport) → San Francisco (San Francisco International Airport)
937 mi
1,507 km · 814 nm
2h 30m
estimated nonstop flight time
-1h
time difference · heading west
See live WBU→SFO fares Phone-only fares on this route — call free
Flight time details
937 miles nonstop takes roughly 2h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 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 WBU from SFO?
The flight distance from Boulder (WBU) to San Francisco (SFO) is 937 miles (1,507 km, 814 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SFO?
A nonstop flight takes about 2h 30m 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 Boulder and San Francisco?
San Francisco is 1 hour behind Boulder.
What is the cheapest way to fly from WBU to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SFO that never appear on search engines, with no booking fees.