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Route

San Antonio to San Diego: what the flight costs

In the last 60 days we checked this route 12 times. The typical return was £351 per person and the lowest £322, taxes and fees included.

Per person
Lowest seen£322
Typical (median)£351
Price checks, 60 days12

Check live prices

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Trips we picked on this route

Just found · from San Antonio25% below typicalWorth it, if

San Diego

16 – 18 Oct 2026 · 2 nights

  • Fare is $430 per person, $151 below the typical fare
  • Samesun Ocean Beach scores 9 from 1,716 reviews, breakfast included
  • Clear skies, highs 86–90°F and rain chances of 7% or less
The total, before you go

£858 for two · 2 nights · flights, hotel, taxes & fees

Flights £648 + hotel £210, taxes in · a checked bag each adds about £181

Frontier · with a stop · 5h 35m

The catch: The $278 stay is 2 beds in an 8-bed dorm, the flight takes 335 minutes with a stop, and a checked bag is about $240 for two.

Worth it if you're easygoing travelers happy with a shared dorm and a late arrival; skip it if you want a private room on a tight weekend.

Every fare we found in the last 30 days

CheckedTrip datesPer personAirlineStopsDurationSource
14 Oct 202623 – 25 Oct 2026£324Frontierwith a stop5h 35mGoogle Flights
14 Oct 202616 – 18 Oct 2026£513F9with a stop22h 42mKiwi.com
14 Oct 202616 – 18 Oct 2026£324Frontierwith a stop5h 35mGoogle Flights
14 Oct 202623 – 25 Oct 2026£323F9with a stop5h 35mKiwi.com
14 Oct 202616 – 18 Oct 2026£352F9with a stop5h 35mKiwi.com
14 Oct 202616 – 18 Oct 2026£488F9with a stop22h 42mKiwi.com
14 Oct 202616 – 18 Oct 2026£324Frontierwith a stop5h 35mGoogle Flights
14 Oct 202616 – 18 Oct 2026£350F9with a stop5h 35mKiwi.com
13 Oct 202616 – 18 Oct 2026£322F9with a stop5h 35mKiwi.com
12 Oct 202623 – 25 Oct 2026£442F9with a stop5h 35mKiwi.com
12 Oct 202623 – 25 Oct 2026£438F9 + MXwith a stop5h 35mKiwi.com
12 Oct 202616 – 18 Oct 2026£451F9with a stop5h 35mKiwi.com

About San Diego

San Diego has the most reliable beach weather in the country, plus the famous zoo, Balboa Park, fish tacos and a laid-back surf culture.

San Diego from every city: when to go, where to stay, what to do

Questions about San Antonio to San Diego

What does a return from San Antonio to San Diego usually cost?

Over the last 60 days the typical price we found was £351 per person, taxes and fees included, across 12 checks; the lowest was £322.

When is the best time to fly from San Antonio to San Diego?

San Diego is at its best in March, April, May, August, September, October and November. Avoid June: June Gloom marine layer

Do I need a passport to fly from San Antonio to San Diego?

No passport needed for travellers from the United States: a government photo ID is enough for San Diego.

Prices converted from US dollars at the rate of 15 Oct 2026.