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Cheap flights from Houston to San Diego

Recently found return fares from $139, with November the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$162 Oct2026 $139 Nov2026 $235 Dec2026

Houston → San Diego

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 3 4 5 6 $139 7 8 9 10 11 12 13 $144 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • Frontier AirlinesSat 14 Nov – Tue 24 Nov · 1 stop · 5h 13m $176
See all flights for these dates

Airport in San Diego

  • SANSan Diego International

Airports in Houston

  • IAHGeorge Bush Intercontinental
  • HOUHobby

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HOU
SAN

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More trips from Houston

All flights from Houston San Diego to Houston flights
Denverfrom $95 Miamifrom $97 Atlantafrom $136 Las Vegasfrom $138 Phoenixfrom $142 Washingtonfrom $150 TUSfrom $153 Chicagofrom $166

FAQ

Questions about this route

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Help center Contact us
01What is the cheapest month to fly from Houston to San Diego?

Based on recently found fares, November 2026 has the lowest price we know of, from $139. Prices change often, so check the calendar for current fares.

02Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

03How can I get an alert when flights to San Diego get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.