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Cheap Flights from San Francisco to San Diego

Popular airlines from San Francisco to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
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Cheap Flights from San Francisco to San Diego starting at S$ 22

Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from San Francisco to San Diego

Cheapest one-way flight price S$ 21
Cheapest return ticket price S$ 47
Off-season for travel March
Peak season for travel February
Flight distance 720.29km
Average flight time 1 hour 38 minutes
Popular airline Alaska Airlines

Cheapest time to fly from San Francisco to San Diego

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
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  • 18 25

  • Jun

    25 1
  • 1 8
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

How to find a cheap flight from San Francisco to San Diego

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to San Diego. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from San Francisco to San Diego.
Tap 'Date' on the flight search bar to browse the calendar for San Francisco to San Diego airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Wed, Jun 25, with one-way flights starting at S$ 22.
2
Compare cheap flight deals from hundreds of airlines for San Francisco to San Diego flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from San Francisco to San Diego. The cheapest flight at the moment is with Hawaiian Airlines.
3
Set up a Price Alert
Set up a Price Alert for your San Francisco to San Diego flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for San Francisco to San Diego flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from San Francisco to San Diego to get your exclusive deals.

Find Cheap Flights & Deals on Trip.com

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