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Cheap flights from San Francisco to San Diego from US$17
United Airlines, Southwest Airlines, Alaska Airlines and 2 more airlines fly nonstop from San Francisco to San Diego, about 123 flights a week. The flight takes around 1h 35m, and the cheapest one-way fare we found recently is US$17 on 1 Dec.
Direct flights available ~123 flights a week 1h 35m Cheapest in December Prices checked 13 days ago
San Francisco to San Diego at a glance
Cheapest one-wayUS$17Frontier Airlines · nonstop · Tue 1 DecCheapest returnUS$68Mon 16 Nov – Mon 23 NovFastest flight1h 35mSouthwest Airlines · nonstop
Nonstop flights123/wkUnited Airlines, Southwest Airlines, Alaska Airlines
Airlines flying nonstop from San Francisco to San Diego
5 airlines on this route, about 123 flights a week in total (observed over the last 4 weeks).
Cheapest dates from San Francisco to San Diego
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Tue 1 Dec
One-way fromUS$17
Mon 16 Nov
One-way fromUS$27
Sun 22 Nov
One-way fromUS$42
Fri 13 Nov
One-way fromUS$46
Sat 7 Nov
One-way fromUS$52
Sat 14 Nov
One-way fromUS$53
Wed 17 Feb
One-way fromUS$64
Cheapest month to fly from San Francisco to San Diego
Lowest one-way fare found for each month: December is cheapest, May the most expensive.
Good to know
- Distance
- 719 km446 miles
- Flight time
- 1h 35mfastest found
- Time difference
- NoneSan Diego vs San Francisco
- Currency in San Diego
- USD
- Airports
- SFO → SAN, CLD
Flights from San Francisco to San Diego: questions answered
How much is a flight from San Francisco to San Diego?
The cheapest one-way fare we found recently is US$17, nonstop, departing in December. Return trips start from US$68. Prices change constantly, so search your dates for the live fare.
Are there direct flights from San Francisco to San Diego?
Yes. United Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines and SkyWest fly this route nonstop, with about 123 flights a week in each direction.
How long is the flight from San Francisco to San Diego?
A nonstop flight covers 719 km and takes around 1h 35m.
What is the cheapest month to fly from San Francisco to San Diego?
December has the lowest fare we found (US$17), while May is the most expensive (US$112).
Which airlines fly from San Francisco to San Diego?
United Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines and SkyWest operate nonstop flights on this route.
Which airports serve San Francisco and San Diego?
San Francisco: San Francisco International Airport (SFO). San Diego: San Diego International Airport (SAN) and McClellan-Palomar Airport (CLD).





