San Francisco to San Diego flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are low right now
$41 is $42 (51%) below the usual $83 for San Francisco → San Diego.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when San Francisco → San Diego drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $97 |
| November 2026 | $41 (cheapest month) |
| December 2026 | No fares found yet |
| January 2027 | $175 |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 10 – 12 2 nights · leave Tue$41 −51% vs usual$41 −51% vs usual Book
Frontier Airlines Nonstop · 1h 41m -
Nov 10 – 16 6 nights · leave Tue$70 −16% vs usual$70 −16% vs usual Book
Frontier Airlines 1 stop · 1h 41m
-
Nov 5 – 8 3 nights · leave Thu$73 −12% vs usual$73 −12% vs usual Book
Frontier Airlines Nonstop · 1h 41m
-
Oct 31 – Nov 2 2 nights · leave Sat$97 +17% vs usual$97 +17% vs usual Book
Frontier Airlines Nonstop · 1h 41m
-
Oct 13 – 15 2 nights · leave Tue$100 +20% vs usual$100 +20% vs usual Book
Frontier Airlines Nonstop · 1h 54m
-
Oct 30 – Nov 2 3 nights · leave Fri$119 +43% vs usual$119 +43% vs usual Book
Alaska Airlines Nonstop · 1h 46m -
Oct 9 – 13 4 nights · leave Fri$201 +142% vs usual$201 +142% vs usual Book
Frontier Airlines 1 stop · 5h 13m
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Oct 9 – 11 2 nights · leave Fri$266 +220% vs usual$266 +220% vs usual Book
Frontier Airlines 1 stop · 5h 13m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in San Diego
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Plan the rest of your trip
San Diego · Nov 10 – 12Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
More from San Francisco
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- Ontario $53 −57%
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Flights to San Diego from other cities
All flights to San Diego Flying the other way? San Diego to San Francisco from $53
San Francisco to San Diego: questions
How much is a flight from San Francisco to San Diego?
The cheapest round trip we have found right now is $41, leaving November 10 and returning November 12. The usual price on this route is about $83, so this fare is 51% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Francisco to San Diego?
November 2026, with round trips from $41. The most expensive month in our data is January (from $175). Based on the 3 months ahead we have prices for.
Are there nonstop flights from San Francisco to San Diego?
Yes. Nonstop from $41 round trip. 56% of the 9 date combinations we track are nonstop.
About this route
We track round-trip economy fares from San Francisco (United States) to San Diego (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $41, departing November 10 and returning November 12 on a nonstop flight, about 51% below the usual $83. Right now we're following 9 upcoming date combinations on this route. The cheapest month to fly in our data is November, from $41. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.