PDX to SAN from $137 in economy

ASAlaska Airlines, Inc.

WNSouthwest Airlines

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

SAN

San Diego International Airport

San Diego, United States

$269 USD

-49%$137 USD

Verified about 6 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$260 1$200 2$137 3$137 4$172 5$137 6$172 7$137 8$137 9$137 10$137 11$172 12$137 13$172 14$137 15$137 16$137 17$178 18$282 19$270 20$270 21$220 22$177 23$227 24$180 25$207 26$260 27$294 28$239 29$200 30$227 31$177 1$207 2$227 3$227

Limited Availability

14% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

10 round-trip options

Returning

Wed, Dec 23, 2026•5 Day Trip

$329 USD

Google Flights

Returning

Thu, Dec 24, 2026•6 Day Trip

$302 USD

Google Flights

Returning

Fri, Dec 25, 2026•7 Day Trip

$309 USD

Google Flights

Returning

Sat, Dec 26, 2026•8 Day Trip

$341 USD

Google Flights

Returning

Sun, Dec 27, 2026•9 Day Trip

$362 USD

Google Flights

Returning

Mon, Dec 28, 2026•10 Day Trip

$329 USD

Google Flights

Returning

Tue, Dec 29, 2026•11 Day Trip

$309 USD

Google Flights

Returning

Wed, Dec 30, 2026•12 Day Trip

$322 USD

Google Flights

Returning

Thu, Dec 31, 2026•13 Day Trip

$282 USD

Google Flights

Returning

Fri, Jan 1, 2027•14 Day Trip

$336 USD

Google Flights

Portland (PDX) to San Diego (SAN) flight deal in economy from $137

Portland International Airport

San Diego International Airport

December 2026

Friday, December 18th, 2026