Cheap flights from San Francisco to Austin
The cheapest round trip from San Francisco to Austin that travelers found recently is $232 with a carry-on: a $232 fare on Southwest, which usually includes a carry-on. It leaves Wed, Nov 11 and comes back Sun, Nov 15.
Live prices for Wed, Nov 11 to Sun, Nov 15
Cheapest trips travelers found recently
| Leave | Return | Airline | Airports | Stops | Fare | Carry-on (est.) | Total | Live prices |
|---|---|---|---|---|---|---|---|---|
| Wed, Nov 11 | Sun, Nov 15 | Southwest | SFO → AUS | Nonstop | $232 | Included | $232 | Live price |
| Fri, Nov 13 | Sun, Nov 15 | United | SFO → AUS | Nonstop | $282 | Included | $282 | Live price |
Round-trip prices per person, from real fares travelers found in the last few days. Carry-on fees are our estimate for each airline, both ways. Prices change fast: check the live price before you book.
Cheapest month to fly
| Month | Cheapest trip | From | Live prices |
|---|---|---|---|
| November 2026 | Wed, Nov 11 to Sun, Nov 15, 4 nights | $232 | Live price |
Bag fees on this route
What the airlines flying San Francisco to Austin usually charge for one bag each way. Budget airlines often sell the cheapest fares and charge the most for bags, so compare the total, not the fare.
| Airline | Carry-on, each way | Checked bag, each way |
|---|---|---|
| Southwest | Included | $35 |
| United | Included | $40 |
Our estimates: fees depend on the fare type and when you pay. Check the airline's own price when you book.
How these prices work
These are real round-trip fares that travelers found on Aviasales recently, not a live search, so they can change or sell out. Dipt adds an estimate of each airline's carry-on fee, so a cheap fare with expensive bags doesn't look cheaper than it is. "Live price" opens Dipt's live flight search for those dates, where you book with the airline or travel site you pick. Dipt may earn a commission when you book, at no extra cost to you (how Dipt makes money).
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