Austin to San Diego: what the flight costs
In the last 60 days we checked this route 16 times. The typical return was £341 per person and the lowest £240, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £240 |
| Typical (median) | £341 |
| Price checks, 60 days | 16 |
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Trips we picked on this route
Next weekend · from AustinWorth it, if
San Diego
23 – 25 Oct 2026 · 2 nights
- Fare is $430 per person, $22 below the typical fare
- Clear forecast all weekend, highs 74–87°F, rain chance 14% or less
- Private double downtown, rated 8.6 from 1,561 reviews, free cancellation
£858 for two · 2 nights · flights, hotel, taxes, fees & the resort fee
Flights £648 + hotel £187 + resort fee £23, taxes in · a checked bag each adds about £181
Frontier · with a stop · 5h 35m
The catch: The flight has one stop on Frontier, takes 5h 35m and lands at 11:56 PM Friday, and a checked bag is about $240 for two.
Worth it if you want a sunny, walkable weekend for two on a sensible budget; skip it if a late one-stop arrival or a hostel room is a dealbreaker.
Just found · from AustinLowest in 30 daysWorth it, if
San Diego
16 – 18 Oct 2026 · 2 nights
- £20 per person below the typical fare on this route
- Lowest in 30 days on this route
- Samesun Ocean Beach Hotel & Hostel, rated 9 by 1,715 guests
£841 for two · 2 nights · flights, hotel, taxes & fees
Flights £648 + hotel £193, taxes in · a checked bag each adds about £181
Frontier · with a stop · 5h 35m
The catch: Not nonstop: a stop on the way, 5h 35m in all.
Worth it if you want sun, sand and a pool; skip it if you want a city to walk.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 15 Oct 2026 | 30 Oct – 1 Nov 2026 | £329 | AS | with a stop | 11h | Kiwi.com |
| 15 Oct 2026 | 30 Oct – 1 Nov 2026 | £240 | Frontier | with a stop | 8h 49m | Google Flights |
| 15 Oct 2026 | 23 – 25 Oct 2026 | £423 | AS | with a stop | 8h 40m | Kiwi.com |
| 15 Oct 2026 | 23 – 25 Oct 2026 | £324 | Frontier | with a stop | 5h 35m | Google Flights |
| 15 Oct 2026 | 30 Oct – 1 Nov 2026 | £320 | AS | nonstop | 3h 14m | Kiwi.com |
| 15 Oct 2026 | 23 – 25 Oct 2026 | £341 | F9 | with a stop | 5h 35m | Kiwi.com |
| 13 Oct 2026 | 16 – 18 Oct 2026 | £480 | F9 | with a stop | 26h 27m | Kiwi.com |
| 13 Oct 2026 | 16 – 18 Oct 2026 | £324 | Frontier | with a stop | 5h 35m | Google Flights |
| 13 Oct 2026 | 16 – 18 Oct 2026 | £344 | F9 | with a stop | 5h 35m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £414 | AS | with a stop | 8h 40m | Kiwi.com |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £324 | Frontier | with a stop | 5h 35m | Google Flights |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £503 | F9 | with a stop | 23h 31m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £324 | Frontier | with a stop | 5h 35m | Google Flights |
| 12 Oct 2026 | 23 – 25 Oct 2026 | £340 | F9 | with a stop | 5h 35m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £343 | F9 | with a stop | 5h 35m | Kiwi.com |
| 12 Oct 2026 | 16 – 18 Oct 2026 | £344 | F9 | with a stop | 5h 35m | Kiwi.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 Austin to San Diego
What does a return from Austin to San Diego usually cost?
Over the last 60 days the typical price we found was £341 per person, taxes and fees included, across 16 checks; the lowest was £240.
When is the best time to fly from Austin 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 Austin 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.