United States San Francisco Travel FAQ
38 answers across 8 categories
San Francisco Travel FAQ — Key Answers
2026Do I need a visa to visit San Francisco? Visa Waiver Program covers 41 countries (EU, UK, Australia, NZ, Japan, South Korea, Singapore, Taiwan + others) — 90 days without a visa, but ESTA approval required before flying. Apply at esta.cbp.dhs.gov ($21, valid 2 years, decision usually in minutes). ePassport (biometric chip) required. Non-VWP nationalities need a B1/B2 tourist visa from a US embassy (process takes weeks to months). Visiting Canadians can enter visa-free with passport. Browse all 38 San Francisco travel FAQs below — visas, money, transport, safety and tips.
We've collected the most common questions about traveling to San Francisco — visa requirements, costs, transport, food, accommodation, weather, attractions, and practical tips. Click any question to expand the answer. Use the category quick links below to jump to your topic.
Visa & Entry
3 questions Do I need a visa to visit San Francisco?
How do I get from SFO airport to downtown?
Do I fly into SFO, OAK, or SJC?
Money & Currency
5 questions How much does a day in San Francisco cost?
Should I exchange USD before arriving?
How much should I tip?
Is sales tax really 8.625% extra?
Are credit cards accepted everywhere?
Transportation
7 questions How do I get around San Francisco?
Muni vs BART vs cable car — what's the difference?
How do I ride the cable cars?
Is Uber/Lyft better than yellow cabs?
Where can I rent a bike for the Golden Gate Bridge?
How do I get to Napa Valley or Muir Woods?
Are Hop-on Hop-off buses worth it?
Weather & Packing
4 questions When is the best time to visit San Francisco?
Why is San Francisco summer so cold and foggy?
What should I pack for San Francisco?
Does it ever snow in San Francisco?
Safety & Health
5 questions Is San Francisco safe for tourists?
What about car break-ins?
Emergency numbers?
Is solo travel safe for women?
Where can I buy basic medications?
Etiquette & Culture
4 questions What's the deal with calling it 'San Fran' or 'Frisco'?
How does tipping work — really?
Is SF really LGBTQ+ central?
Is cannabis legal in California?
Food & Restaurants
4 questions What must I eat in San Francisco?
Is Fisherman's Wharf food a tourist trap?
How hard is it to book a Michelin-starred restaurant?
Where do locals actually eat?
Sightseeing & Activities
6 questions What are the top 5 must-see sights?
Is Alcatraz really worth booking 2-3 weeks ahead?
What's the deal with the Golden Gate Bridge bike crossing?
Twin Peaks vs Lombard Street vs Coit Tower — which view?
Where do I see the Painted Ladies?
What's at Castro Street?
More on San Francisco
Cost guide, attractions, neighborhoods — plan the rest of your trip.
Why you can trust FAQ
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.