Airport Wi-Fi
BriefSan Francisco International Airport offers free Wi-Fi with periodic revalidation. Download offline maps before landing just in case.
San Francisco International Airport
San Francisco, United States
Drop-off
Downtown San Francisco (Embarcadero / Powell St BART)
Pin before customs
Fastest
BART Yellow Line (Antioch–SFO/Millbrae)
rail · 10-20m
Data
Nov 28
Audit
Quick verdict
Fastest into town
- Service
- BART Yellow Line (Antioch–SFO/Millbrae) rail
- Headway
- 10-20
- Backup
- Caltrain via BART transfer at Millbrae · 30-60m
Note
Frequent rapid rail from SFO International Terminal directly to downtown San Francisco BART stations including Civic Center, Powell St, Montgomery St and Embarcadero; typical travel time to downtown is about 30 minutes. Service runs daily with reduced frequency late at night—check BART schedule for exact first/last trains and overnight gaps, especially after midnight.cite
Signal plan
San Francisco: Connectivity & eSIM Briefing
Prep your phone plus Wi-Fi tactics until the affiliate CTA goes live. Targets queries likesan francisco airport busandsfo to city centerfor eSIM funnels.
Transit card + data combo
BriefPair an eSIM (coming soon) with the local smart card so you can reload fares over LTE, not at a kiosk line.
Roaming backup
BriefKeep your home SIM active for SMS 2FA, but push heavy data through Wi-Fi or the future eSIM product once the affiliate approval arrives.
eSIMComing Soon
Stay connected from landing
Skip the airport SIM queue. We're partnering with eSIM providers to get you online before you even leave the gate.
✓Instant activation✓Local rates✓No SIM swap
FAQs
KB- 01Where will the eSIM CTA live? A
- A dedicated module sits under the hero once the affiliate application clears. Track the TODO item in repo to flip it on.
- 02Any offline tricks? A
- Export key transport notes to your password manager or Apple Notes before departure for no-signal moments.