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Cheap Flights to San Francisco
Looking for cheap flights to US that actually fit your budget?
Dates
Tue, September 22 – Thu, September 24
No. of travellers & Class
1 Adult Economy
Find cheap flights to San Francisco with Triwize. We compare fares across 500+ airlines flying into San Francisco International Airport (SFO) and Oakland International Airport (OAK). Whether you need direct flights, a one-way ticket, or the best roundtrip flights to San Francisco, Triwize finds the lowest prices every time.
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Airlines Flying to San Francisco
San Francisco International Airport (SFO) is the primary hub for international flights to San Francisco California. Oakland International Airport (OAK), across the bay, serves budget and domestic leisure routes. Here are the key carriers operating flights to San Francisco airport:
✈️
United AirlinesKEY HUBS
SFO
WHY CHOOSEDomestic hub + global connections (hub)
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American Airlines✈️
Delta Air Lines✈️
Southwest Airlines✈️
Alaska Airlines✈️
Spirit Airlines✈️
Frontier Airlines✈️
British Airways✈️
Lufthansa
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Best Time to Book Flight Tickets to San Francisco
What Is the Cheapest Time to Fly to San Francisco?
January and February are typically the cheapest months to fly to San Francisco, with average round-trip fares from domestic US cities running around $150–$220. Late August and September also offer strong value as summer leisure travel drops off. Midweek departures (Tuesday and Wednesday) consistently yield lower fares.
When are Flights to San Francisco the Most Expensive?
Late November through early January sees peak prices, driven by Thanksgiving, Christmas, and New Year demand. July and August are elevated due to summer leisure travel. Spring Break (late March to mid-April) also causes noticeable fare spikes, particularly on routes from the East Coast.
Why Fly to San Francisco?
Iconic landmarks
The Golden Gate Bridge, Alcatraz Island, Fisherman's Wharf, Lombard Street, and the cable cars are world-famous attractions.
Food and dining
A world-class culinary destination — sourdough bread, Dungeness crab, Mission burritos, and a thriving fine-dining and farmers market scene.
Tech and innovation
The gateway to Silicon Valley — home to the headquarters of major global tech companies and a hub of startup culture.
Culture and arts
The de Young Museum, SFMOMA, San Francisco Ballet, and the legendary Fillmore music venue are standout institutions.
Natural beauty
Day trips to Muir Woods, Napa Valley, Yosemite, and the Pacific Coast Highway are all within easy reach.
Year-round events
Outside Lands music festival, San Francisco Pride, Bay to Breakers, and Fleet Week draw visitors throughout the year.
Everything you need to know before you book
Quick Facts - Flights to San Francisco
Everything you need to know before you book
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Dates
Departure – Return
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Terms and Conditions : Fares are sourced across 500+ airlines and include all taxes, surcharges, and Triwize service fees. Displayed prices are subject to change until ticketed. Tickets are nonrefundable, nontransferable, and subject to airline restrictions; name changes are not permitted. Triwize Coins are earned on qualified bookings, hold no cash value, are non-transferable, and may be modified or discontinued at any time. See full Terms for details.