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San Diego to San Francisco in October 2026 CLD, SAN → SFO

McClellan-Palomar Airport (CLD), San Diego International Airport (SAN) → San Francisco International Airport (SFO)

For departures in October 2026, the cheapest return found recently is $256 with Alaska Airlines, 22 Oct – 25 Oct, found yesterday. The cheapest one-way found recently is $83 with Frontier Airlines, 28 Oct, found 20 hours ago.

Return

In October 2026, the cheapest return fare on each of 7 departure dates is usually $168 to $259. Across all 20 departure dates we hold on this route, it is usually $107 to $256. Of the 3 months with enough return fares to compare, October 2026 is usually the most expensive.

Cheapest return found recently

$256

22 Oct – 25 Oct · Alaska Airlines

San Diego International Airport (SAN) → San Francisco International Airport (SFO)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$82

29 Oct – 31 Oct · Frontier Airlines

San Diego International Airport (SAN) → San Francisco International Airport (SFO)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
29 Oct – 31 Oct$82Frontier Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
31 Oct – 4 Nov$128Frontier Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Oct – 3 Nov$207Frontier Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Oct – 25 Oct$256Alaska Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates
23 Oct – 26 Oct$256Alaska Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

7 departure dates

20 Oct – 23 Oct: $261, found today22 Oct – 25 Oct: $256, found yesterday23 Oct – 26 Oct: $256, found yesterday26 Oct – 26 Oct: $297, found yesterday29 Oct – 31 Oct: $82, found 4 days ago30 Oct – 3 Nov: $207, found 5 days ago31 Oct – 4 Nov: $128, found 6 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 23 Oct$261Alaska AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound todaySee prices for these dates
22 Oct – 25 Oct$256Alaska AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound yesterdaySee prices for these dates
23 Oct – 26 Oct$256Alaska AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Oct – 26 Oct$297Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back 1 stopfound yesterdaySee prices for these dates
29 Oct – 31 Oct$82Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Oct – 3 Nov$207Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 5 days agoSee prices for these dates
31 Oct – 4 Nov$128Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $68.

October 2026From $827 departure dates29 Oct – 31 Oct · found 4 days agoSee prices for these dates
November 2026From $7710 departure dates16 Nov – 16 Nov · found 3 days agoSee prices for these datesEvery date in November 2026
December 2026From $68Cheapest seen3 departure dates5 Dec – 12 Dec · found 5 days agoSee prices for these dates

One-way

In October 2026, the cheapest one-way fare on each of 10 departure dates is usually $91 to $203. Across all 19 departure dates we hold on this route, it is usually $62 to $132. Of the 3 months with enough one-way fares to compare, October 2026 is usually the most expensive.

Cheapest one-way found recently

$83

28 Oct · Frontier Airlines

San Diego International Airport (SAN) → San Francisco International Airport (SFO)

nonstop

found 20 hours ago

Open this tripCheck today's price

Cheapest we hold, of any age

$40

31 Oct · Frontier Airlines

San Diego International Airport (SAN) → San Francisco International Airport (SFO)

nonstop

found 3 days ago

Open this tripCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
31 Oct$40Frontier Airlinesnonstopfound 3 days agoOpen this trip
28 Oct$83Frontier Airlinesnonstopfound 20 hours agoOpen this trip
24 Oct$89Frontier Airlinesnonstopfound 3 days agoOpen this trip
23 Oct$98Frontier Airlinesnonstopfound 6 days agoOpen this trip
22 Oct$102Frontier Airlinesnonstopfound 5 days agoOpen this trip

Every date we hold

10 departure dates

20 Oct: $132, found today22 Oct: $102, found 5 days ago23 Oct: $98, found 6 days ago24 Oct: $89, found 3 days ago25 Oct: $240, found 4 days ago26 Oct: $124, found 3 days ago27 Oct: $235, found 2 days ago28 Oct: $83, found 20 hours ago29 Oct: $227, found today31 Oct: $40, found 3 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct$132Alaska AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound todayOpen this trip
22 Oct$102Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 5 days agoOpen this trip
23 Oct$98Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 6 days agoOpen this trip
24 Oct$89Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 3 days agoOpen this trip
25 Oct$240United AirlinesMcClellan-Palomar Airport (CLD) → San Francisco International Airport (SFO)nonstopfound 4 days agoOpen this trip
26 Oct$124Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 3 days agoOpen this trip
27 Oct$235United AirlinesMcClellan-Palomar Airport (CLD) → San Francisco International Airport (SFO)nonstopfound 2 days agoOpen this trip
28 Oct$83Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 20 hours agoOpen this trip
29 Oct$227United AirlinesMcClellan-Palomar Airport (CLD) → San Francisco International Airport (SFO)nonstopfound todayOpen this trip
31 Oct$40Frontier AirlinesSan Diego International Airport (SAN) → San Francisco International Airport (SFO)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $31.

October 2026From $4010 departure dates31 Oct · found 3 days agoOpen this trip
November 2026From $31Cheapest seen5 departure dates21 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $601 departure date30 Dec · found 6 days agoOpen this trip
January 2027From $343 departure dates13 Jan 2027 · found 2 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work