Route
Seattle to San Diego: what the flight costs
In the last 60 days we checked this route 9 times. The typical round trip was $456 per person and the lowest $414, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | $414 |
| Typical (median) | $456 |
| Price checks, 60 days | 9 |
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| Oct 12, 2026 | Oct 16–18, 2026 | $458 | F9 | with a stop | 7h 29m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $430 | Frontier | with a stop | 7h 29m | Google Flights |
| Oct 12, 2026 | Oct 23–25, 2026 | $511 | F9 + AS | with a stop | 7h 29m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $456 | F9 | with a stop | 7h 29m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $509 | F9 + AS | with a stop | 7h 29m | Kiwi.com |
| Oct 12, 2026 | Oct 23–25, 2026 | $414 | Frontier | with a stop | 7h 29m | Google Flights |
| Oct 12, 2026 | Oct 16–18, 2026 | $420 | Frontier | with a stop | 7h 29m | Google Flights |
| Oct 12, 2026 | Oct 23–25, 2026 | $508 | F9 + AS | with a stop | 7h 29m | Kiwi.com |
| Oct 12, 2026 | Oct 16–18, 2026 | $449 | F9 | with a stop | 7h 29m | 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 Seattle to San Diego
What does a round trip from Seattle to San Diego usually cost?
Over the last 60 days the typical price we found was $456 per person, taxes and fees included, across 9 checks; the lowest was $414.
When is the best time to fly from Seattle 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 Seattle to San Diego?
No, a government photo ID is enough for US citizens.