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Cheap flights from San Francisco to San Diego

One-way from $19, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Sun, Oct 25Any priceMon, Oct 26Any priceTue, Oct 27Any priceWed, Oct 28$19Thu, Oct 29Any priceFri, Oct 30Any priceSat, Oct 31Any priceSun, Nov 1Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$19
Frontier Airlines, flight F9 3382Found 6 days ago, 1 adult
Check price on Aviasales
4:57pmSan FranciscoWed, Oct 28
Travel time 1h 41m, nonstopSFOSAN
6:38pmSan DiegoWed, Oct 28
$19
Frontier Airlines, flight F9 3382Found 4 days ago, 1 adult
Check price on Aviasales
4:57pmSan FranciscoTue, Nov 3
Travel time 1h 41m, nonstopSFOSAN
6:38pmSan DiegoTue, Nov 3
$19
Frontier Airlines, flight F9 3382Found 2 days ago, 1 adult
Check price on Aviasales
4:29pmSan FranciscoTue, Dec 1
Travel time 1h 41m, nonstopSFOSAN
6:10pmSan DiegoTue, Dec 1
$24
Frontier Airlines, flight F9 3382Found 3 days ago, 1 adult
Check price on Aviasales
4:57pmSan FranciscoWed, Nov 4
Travel time 1h 41m, nonstopSFOSAN
6:38pmSan DiegoWed, Nov 4
$24
Frontier Airlines, flight F9 3382Found 2 days ago, 1 adult
Check price on Aviasales
4:57pmSan FranciscoTue, Nov 10
Travel time 1h 41m, nonstopSFOSAN
6:38pmSan DiegoTue, Nov 10

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in San Diego, booked ahead at a fixed price.
    See options
  • Things to do in San DiegoPopular tours from $34 per person.
    See ideas
  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234$1535$1776$1527$878$1609$11310$9011$11212–13–14–15–16–17–18–19$3020$2721–22–23–24$5425–26–27–28$1929–30–31–

November 2026

MoTuWeThFrSaSu1–2$513$194$245–6–7$558$439$5310$2411–12–13–14–15–16–17–18–19–20–21–22–23–24–25–26–27–28–29–30–

December 2026

MoTuWeThFrSaSu1$192–345678910111213141516171819202122232425262728293031
$24 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 28, $19.

Lowest fares by month

In the fares found this week, November has the lowest: from $19 one-way, against $22 in October. Pick a month to see its cheapest date.

$0$10$20$30Oct$19NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$22Wed, Oct 28Nonstop
November$19Tue, Nov 3Nonstop
December$19Tue, Dec 1Nonstop
January 2027—
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from San Francisco to San Diego?

In the fares found this week, November has the lowest: from $19 one-way, against $22 in October.

Are there direct flights from San Francisco to San Diego?

Yes. Recent fares include nonstop flights with Frontier Airlines, Southwest Airlines and United Airlines.

How long is the flight from San Francisco to San Diego?

A nonstop flight takes about 1h 35m. The distance is 447 mi.

Which day of the week is cheapest to fly?

In the fares we have, Tuesday departures are the cheapest, with a typical lowest fare of $24. Sunday is the priciest at about $112.

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