Portland to San Diego

PDXSAN

Fly from Portland to San Diego starting at USD 52 with Southwest Airlines.Best fare available on Sep 19, 2026.Limited seats. Better plans. Book before it's gone.

Portland to San Diego cheapest flights this week

6 Sept
Alaska Airlines
07:55PDX
10:30SAN
DirectUSD 123VIEW DEAL
7 Sept
Southwest Airlines
05:15PDX
09:05SAN
1 StopUSD 180VIEW DEAL
9 Sept
Alaska Airlines
07:55PDX
10:30SAN
DirectUSD 141VIEW DEAL
11 Sept
Frontier Airlines
12:38PDX
23:51SAN
1 StopUSD 153VIEW DEAL
11 Sept
Alaska Airlines
14:03PDX
16:36SAN
DirectUSD 133VIEW DEAL
13 Sept
Frontier Airlines
12:38PDX
15:58SAN
1 StopUSD 151VIEW DEAL
14 Sept
Alaska Airlines
14:03PDX
16:36SAN
DirectUSD 135VIEW DEAL
15 Sept
United Airlines
09:00PDX
13:44SAN
DirectUSD 162VIEW DEAL
19 Sept
Southwest Airlines
08:00PDX
10:25SAN
DirectUSD 52VIEW DEAL
19 Sept
Southwest Airlines
14:40PDX
17:10SAN
DirectUSD 60VIEW DEAL

Portland to San Diego monthly flight fare trend

Sep
from USD 52
Oct
from USD 75
Nov
from USD 95
Dec
No flights
Jan
No flights
Feb
No flights

Airport Details

Origin

Portland

Portland International Airport (PDX)

Portland, PDX
Zone

Los Angeles

Elev

31 ft

Destination

San Diego

San Diego International Airport (SAN)

San Diego, SAN
Zone

Los Angeles

Elev

17 ft

Flights from Portland

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