Flight Booking
One-way or round-trip: which flight should you book?
Round trips aren't always cheaper. Here's how to decide, and when two one-way tickets make more sense.
September 20, 2026
Flights to San Francisco
San Francisco is a scenic city in Northern California, famous for the Golden Gate Bridge, historic cable cars, waterfront neighborhoods, and distinctive architecture. Visitors can explore Fisherman's Wharf, Alcatraz Island, Chinatown, Pier 39, and Golden Gate Park. The city also offers easy access to nearby destinations such as Napa Valley, Sonoma, and Silicon Valley. Whether you're planning a city break, a family vacation, or a business trip, Tripobiz can help you explore flight options and prepare for your visit to San Francisco.
San FranciscoUnited States
Major airports
- SFO
- OAK
- SJC
Airlines you'll often see
United Airlines, Alaska Airlines, Delta Air Lines, American Airlines, Southwest Airlines, JetBlue Airways, Frontier Airlines. Routes and schedules change, so search your dates to see who flies when.
Popular flight routes
- New York (JFK) to San Francisco (SFO)
- Los Angeles (LAX) to San Francisco (SFO)
- Chicago (ORD) to San Francisco (SFO)
- Atlanta (ATL) to San Francisco (SFO)
- Dallas (DFW) to San Francisco (SFO)
- Miami (MIA) to San Francisco (SFO)
- Seattle (SEA) to San Francisco (SFO)
Best time to visit
September to November is often a popular time to visit San Francisco, with relatively mild weather and opportunities for sightseeing. March to May can also be pleasant, although conditions vary throughout the city. Summer may bring cool temperatures and coastal fog, so carrying an extra layer is useful. Compare travel dates to find flights that suit your plans.
Getting from the airport
San Francisco International Airport (SFO) connects to downtown through BART rapid transit and other ground transportation services. Oakland San Francisco Bay Airport (OAK) offers connections to BART through the airport's automated people mover. San José Mineta International Airport (SJC) serves the South Bay and Silicon Valley, with bus connections, taxis, rideshares, and rental cars available. Choose your airport based on your final destination and check current transport schedules before traveling.
Travel tips
- Compare flights to SFO, OAK, and SJC before booking.
- Check baggage allowances and ticket change policies before purchasing.
- Pack layers because temperatures can change throughout the day.
- Use public transportation to reach many popular city attractions.
- Book Alcatraz Island tickets in advance when possible.
- Allow extra time for traffic when crossing the Bay Area.
- Check local weather before planning coastal sightseeing.
- Consider airport distance and ground transportation when comparing fares.