There are most likely no direct flights on the San Diego — San Francisco route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Diego to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Diego to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the San Diego — San Francisco route
San Diego — San Francisco
09/14/2026
Departure
Direct flight
AS1450
starting at $130
San Diego — San Francisco
09/15/2026
Departure
Direct flight
AS3463
starting at $203
San Diego — San Francisco
10/20/2026
Departure
Direct flight
AS770
starting at $115
San Diego — San Francisco
09/11/2026
Departure
Direct flight
UA1835
starting at $128
San Diego — San Francisco
09/13/2026
Departure
Direct flight
AS338
starting at $198
San Diego — San Francisco
09/22/2026
Departure
Direct flight
UA5599
starting at $282
San Diego — San Francisco
09/08/2026
Departure
Direct flight
WN3497
starting at $177
San Diego — San Francisco
09/10/2026
Departure
Direct flight
AS3211
starting at $202
San Diego — San Francisco
09/19/2026
Departure
Direct flight
AS3463
starting at $172
starting at $46
starting at $128
starting at $53
starting at $19
More than 4 airlines operate flights from San Diego to San Francisco, including Alaska Airlines, United Airlines, Southwest Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $19, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest one-way flight from San Diego to San Francisco departs on 10/20/2026, is operated by Frontier Airlines and costs $19
The cheapest roundtrip flight from San Diego to San Francisco departs on 12/04/2026, is operated by Frontier Airlines and costs $118
Fastest flight from San Diego to San Francisco takes 1h 30m
There are direct flights on this route 6 days a week: Su, Mo, Tu, Th, Fr, and Sa
The distance between San Diego and San Francisco is 737km (457 miles). The average flight duration is 1h 44m. There are 66 direct flights from San Diego to San Francisco. San Diego and San Francisco are in the same time zone. Flights from San Diego begin at 6:20 AM. The latest flight from San Diego departs at 9:27 PM
We couldn't find any special offers for flights from San Diego to San Francisco
The cheapest flight ticket from San Diego to San Francisco according to data for the last 48 hours costs $19
Often the best time to buy tickets from San Diego to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to San Francisco can be found flying in these months: October, September, January.
The fastest flights from San Diego to San Francisco start from 1 hour 30 minutes in the air.
The following airlines operate direct flights on the route San Diego — San Francisco: Alaska Airlines, United Airlines, Southwest Airlines
The cost of a one-way flight from San Diego to San Francisco ranges from $19 (October 2026) to $46 (January 2027). On average, the ticket price is about $30–$70.
Ticket prices for San Diego — San Francisco follow a predictable curve: rise, peak, and decline. This typical seasonal pattern lets you plan your purchase to avoid overpaying.
Prices rise from October 2026 to January 2027 (+145%), then decline from September 2026 to October 2026 (22%). The cheapest tickets are in September 2026–October 2026 (averaging $21), while the priciest are in October 2026–January 2027 ($32).
For savings, plan your flight for September 2026–October 2026 — you could save up to 34%. Try to avoid October 2026–January 2027 when possible: prices are at their highest then.
Price spread on this route is 39.6%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.