Cheap flights to San Diego

Compare recent fares, direct-flight schedules and destination airports
SAN

San Diego at a glance

Key facts about the city and the routes found in recent fare data.

Country

United States

City IATA code

SAN

Airports in fare data

1

Population

No data

Time zone

America/Los_Angeles

Cities with direct flights

16

Airlines in fare data

45

Cheapest air tickets to San Diego

Compare up to ten of the lowest recent fares to San Diego, for domestic and international routes.

Prices are based on searches made by real travelers during the last 48 hours and are not a public offer.

Direct flights airfares to San Diego

Current data shows direct routes to San Diego from 10 cities: San Francisco, Las Vegas, Denver, San Jose, Oakland, Portland, Dallas, Phoenix, Boston, and Fort Lauderdale. A complete timetable is available for 1 of 10 routes; observed offer dates are shown for the others.

Flight days and minimum fares are enriched with cached route data when available. Otherwise, we show the currently observed offers.

The only airline operating direct flights from San Francisco to San Diego is Frontier Airlines. Flights operate every day.

Frontier Airlines

Frontier Airlines

San Francisco — San Diego

Flights every day

from $20

Flight prices to San Diego by month

Compare cached monthly fares to San Diego for 10 departure cities over the next year. Routes without saved price data are not shown.

The chart shows the saved monthly price trend from San Francisco to San Diego. Open the route page for full flight details.

December 2026
Lowest price
on average:
$18
March 2027
Highest price
on average:
$92
  • Avg Price
Price dynamics

Flight costs from San Francisco to San Diego climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Prices rise from December 2026 to March 2027 (+420%), then decline from November 2026 to December 2026 (68%). The cheapest tickets are in November 2026–December 2026 (averaging $36), while the priciest are in December 2026–March 2027 ($55).

Best time to buy

For savings, plan your flight for November 2026–December 2026 — you could save up to 34%. Try to avoid December 2026–March 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 55.4%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

San Diego airports

Airports in San Diego provide convenient connections to other regions and countries. Below you can find details about their location, facilities, and transport options to choose the best airport for arriving in or departing from San Diego.

•

•

•

Cities near San Diego

Nearby cities with airports can help you compare alternative routes or plan a combined trip.

View of Bakersfield

Bakersfield

BFL

View of Long Beach

Long Beach

LGB

View of Mexicali

Mexicali

MXL

View of Phoenix

Phoenix

PHX

View of Santa Barbara

Santa Barbara

SBA

View of Santa Maria

Santa Maria

SMX

View of Tijuana

Tijuana

TIJ

View of Yuma

Yuma

YUM

Frequently asked questions about San Diego

Concise answers based on city details and fares found in recent searches.

The lowest recent price in our data is $18. The live price may change when you search.

Recent fare data contains 1 destination airport codes for San Diego. The airport section above has detailed information.

Recent offers include direct flights from 16 cities operated by 4 airlines. Availability depends on the date.

They come from searches made by real travelers during the last 48 hours. Treat them as a guide: the final price is confirmed by a new search.