Cheap Flights From San Francisco Intl. (SFO) To San Diego Intl. (SAN)

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Cheapest Flights from San Francisco (SFO) to San Diego (SAN)

The cheapest flights to San Diego Intl. found within the past 7 days were CA $100 round trip and CA $53 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Oct 1 - Wed, Oct 1
SFO
San Francisco
SAN
San Diego
CA $100 Roundtrip, found 5 days ago
CA $100
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from San Francisco to San Diego, returning Wed, Oct 1, priced at CA $100 found 5 days ago
Thu, Oct 30 - Thu, Nov 6
SFO
San Francisco
SAN
San Diego
CA $107 Roundtrip, found 3 days ago
CA $107
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct 30 from San Francisco to San Diego, returning Thu, Nov 6, priced at CA $107 found 3 days ago
Thu, Oct 23 - Thu, Oct 30
SFO
San Francisco
SAN
San Diego
CA $109 Roundtrip, found 17 hours ago
CA $109
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from San Francisco to San Diego, returning Thu, Oct 30, priced at CA $109 found 17 hours ago
Wed, Oct 1 - Wed, Oct 1
SFO
San Francisco
SAN
San Diego
CA $127 Roundtrip, found 5 days ago
CA $127
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from San Francisco to San Diego, returning Wed, Oct 1, priced at CA $127 found 5 days ago
Thu, Oct 30 - Thu, Nov 6
SFO
San Francisco
SAN
San Diego
CA $135 Roundtrip, found 3 days ago
CA $135
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct 30 from San Francisco to San Diego, returning Thu, Nov 6, priced at CA $135 found 3 days ago
Thu, Oct 23 - Thu, Oct 30
SFO
San Francisco
SAN
San Diego
CA $136 Roundtrip, found 17 hours ago
CA $136
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from San Francisco to San Diego, returning Thu, Oct 30, priced at CA $136 found 17 hours ago
Sat, Sep 27 - Sat, Sep 27
SFO
San Francisco
SAN
San Diego
CA $162 Roundtrip, found 6 days ago
CA $162
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 27 from San Francisco to San Diego, returning Sat, Sep 27, priced at CA $162 found 6 days ago
Thu, Oct 30 - Thu, Nov 6
SFO
San Francisco
SAN
San Diego
CA $164 Roundtrip, found 3 days ago
CA $164
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Oct 30 from San Francisco to San Diego, returning Thu, Nov 6, priced at CA $164 found 3 days ago
Sun, Nov 23 - Thu, Dec 4
SFO
San Francisco
SAN
San Diego
CA $173 Roundtrip, found 21 hours ago
CA $173
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sun, Nov 23 from San Francisco to San Diego, returning Thu, Dec 4, priced at CA $173 found 21 hours ago
Wed, Oct 1 - Wed, Oct 1
SFO
San Francisco
SAN
San Diego
CA $175 Roundtrip, found 5 days ago
CA $175
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from San Francisco to San Diego, returning Wed, Oct 1, priced at CA $175 found 5 days ago

Frequently asked questions

Are there direct flights from San Francisco Airport to SAN?
Your next unforgettable adventure is on the other side of a single flight. You can fly direct from SFO to San Diego Airport with multiple airlines, including Alaska Airlines and United Airlines.
What airlines fly from SFO to San Diego Intl. Airport (SAN)?
You'll find a number of airlines advertising direct flights between San Francisco and San Diego County. Alaska Airlines (AS) is one of the most reputable. This air carrier operates roughly 208 flights every month. If you'd like more options, consider the fares on offer from United Airlines (UA). This airline operates 173 flights each month. Between the two, we're sure you'll find a deal to suit your needs.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.