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CA · SFO

Cheap flights from San Francisco

Round trips from $63 per traveler, taxes and fees included. 71 popular routes from San Francisco with fares by month, airlines and the best day to fly.

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We check every airline and reply with your price, including the last-minute deals that never reach public search.

Popular domestic routes from San Francisco

Lowest round-trip fares over the next three months where we track them, per traveler with taxes and fees.

US–Canada flights from San Francisco

Transborder routes. Most US-bound departures from Canada clear US customs before you board, so you land as a domestic arrival.

International flights from San Francisco

Nonstop and one-stop routes to Mexico, the Caribbean, Europe and beyond.

Airports in San Francisco

Hub airlines in San Francisco

Airlines with a hub or focus city here — expect the most nonstop routes and competitive fares from them.

Flying from San Francisco: common questions

Which airlines fly from San Francisco?

United Airlines and Alaska Airlines operate a hub or focus city in San Francisco, which means plenty of nonstop routes and competitive fares. Most other US airlines fly there too; each route page lists the carriers for that city pair.

What is the cheapest flight from San Francisco?

Among the popular routes we track, the lowest round-trip fare from San Francisco over the next three months is $63 per traveler including taxes and fees. Short domestic hops are usually the cheapest; see the deals page for the best dates.

How early should I get to SFO?

Arrive two hours before a domestic departure and three hours before an international one. TSA PreCheck members can usually cut that by 30 minutes at SFO.

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