Compare Cheap Flights from San Diego to San Francisco
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Round Trip Flights from San Diego to San Francisco
Last updated on Saturday 04/18/2026 at 05:00 AM, the fares mentioned above are for flight tickets and inclusive of fuel surcharges, service fee and taxes. Based on historical data, these fares are subject to change without prior notice and cannot be guaranteed at the time of booking. Kindly go through our terms and conditions before booking.
Book San Diego To San Francisco Flights
San Francisco, the ‘City by the Bay,’ has a world-class culture and unforgettable experiences. The city provides a unique blend of iconic landmarks, diversified culture, and dynamic experiences that make it an alluring tourist destination. Despite being smaller than 50 square miles and home to fewer than a million people, San Francisco is rightfully regarded as one of the best cities in the world.
There are lots of interesting places to explore in San Francisco! The Golden Gate Bridge, with its stunning views, is not to be missed. It's the ideal location for a stroll. Visit Fisherman's Wharf for some fun and observe the sea lions. Visit Alcatraz Island, the former prison with amazing tales, if you're interested in history. Don't forget to take in the hills and ride the well-known cable cars for a distinctive city experience. With its abundance of greenery, museums, and even a Japanese Tea Garden for relaxation, Golden Gate Park is yet another treasure. San Francisco has something for everyone, regardless of your interests—from sightseeing to simply taking in the atmosphere!
Flying to San Francisco is convenient with many nonstop flights from San Diego International Airport (SAN) to San Francisco International Airport (SFO). Almost all major airlines fly from SAN to SFO, including Frontier, United, Southwest, and Alaska Airlines. A direct flight to San Francisco takes about 1 hr 42 minutes from San Diego. August is the peak time to visit San Francisco as the weather is perfect for sightseeing and outdoor activities. You can book cheap flights from San Diego to San Francisco with Packedbag and get great discounts. For more, feel free to call us. We are available 24/7.
Finding Cheap Flights From San Diego To San Francisco : Frequently Asked Questions
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How much are round-trip flights from San Diego to San Francisco?
Average cost of a round-trip flight from San Diego to San Francisco is around $281.
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Which upcoming date is cheapest to fly from San Diego to San Francisco?
In the next 90 days, flights from San Diego to San Francisco on will be the cheapest on May 19, 2026, May 31, 2026, and April 24, 2026.
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What?s the cheapest day of the week to fly from San Diego to San Francisco?
On an average, flights from San Diego to San Francisco tend to be cheapest on Friday.
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Which airlines offers the cheapest fares from San Diego to San Francisco?
At the moment, FRONTIER AIRLINES and UNITED AIRLINES offer the cheapest flights from San Diego to San Francisco.
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When is the peak season for traveling from San Diego to San Francisco?
April to June is the peak season to travel from San Diego to San Francisco.
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When does the first flight depart from San Diego to San Francisco?
The first flight from San Diego to San Francisco departs at 06:30 AM.
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When does the last flight from San Diego to San Francisco depart?
The last flight from San Diego to San Francisco departs at 07:40 PM.
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Cheapest Months to fly to San Francisco
The cheapest months to visit San Francisco are from May through July.
* The mentioned flight facts are based on the last 3 months' data. Information regarding the highest and lowest booking months is based on the last 12 months' data.
Major Carriers Operating Flights From San Diego To San Francisco
UNITED AIRLINES
$88
$231
FRONTIER AIRLINES
$59
$148
AMERICAN AIRLINES
$117
$252
Low Cost Carriers Operating Flights From San Diego To San Francisco
FRONTIER AIRLINES
$59
$148
UNITED AIRLINES
$88
$231
AMERICAN AIRLINES
$117
$252
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