To San Diego

Cheap Flights from Portland to San Diego

Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Portland

RatePunk searches hundreds of travel sites at once for deals on flights to San Diego

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Portland to San Diego

Explore current cheapest deals departing from Portland to San Diego

Round trip

Sort by: Cheapest

September 16 - September 23

Cheapest

PDX - San Diego

$129

$126

Round trip

October 13 - October 20

Cheapest

Best

PDX - San Diego

$164

$126

Round trip

August 18 - August 26

PDX - San Diego

$157

$127

Round trip

August 4 - August 11

Earliest

PDX - San Diego

$157

$135

Round trip

August 11 - August 18

PDX - San Diego

$159

$135

Round trip

August 18 - August 25

PDX - San Diego

$162

$135

Round trip

August 19 - August 25

PDX - San Diego

$163

$135

Round trip

August 19 - August 26

PDX - San Diego

$162

$135

Round trip

August 25 - September 8

PDX - San Diego

$146

$145

Round trip

September 9 - September 15

PDX - San Diego

$126

$145

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Portland to San Diego

Fares for flights from Portland to San Diego typically range from $198–$614, with a median price of $364. Right now, current fares are below the typical level, and about 5% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find cheap flights from Portland to San Diego.

When considering the cheapest time to fly from Portland to San Diego, October stands out with a median fare of $118. January also offers lower prices, with a median of $151, followed by May at a median of $166. These months present the most budget-friendly options for this route.

A typical journey from Portland to San Diego takes about 7h 52m, including connections. This is due to the nature of the route, where most itineraries connect at least once. For those looking for direct flights from Portland to San Diego, approximately 32.8% of recent fares were non-stop, while connecting itineraries typically involve 2 stopovers.

The route from Portland to San Diego covers a distance of 1503 kilometers. This classifies it as a medium-haul journey, meaning you can expect a moderate travel time between these two cities.

How much is a round trip from Portland to San Diego

Regular price: $103 - $235

Prices for flights from Portland to San Diego are currently within the regular range.

Regular prices for flights from Portland to San Diego typically range from $103 to $235. The current lowest deal is $126 with Alaska Airlines, Inc. for travel from Sep 16-Sep 23.

now $126

Low $103

High $235

The cheapest time to fly from Portland to San Diego

The cheapest month to fly from Portland to San Diego is October, with a median price of $118. The most expensive month is June, with a median price of $601. Prices are generally lower from January to October.

October

Cheapest

Flights from $118

June

Most Expensive

Flights from $601

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to San Diego

Alaska Airlines, Inc.

Last-minute flights going from Portland to San Diego

Thu, Jul 2

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

United Airlines

$257

$218

One-way

Thu, Jul 2

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

United Airlines

$270

$220

One-way

Fri, Jul 3

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

Southwest Airlines

$256

$238

One-way

Sat, Jul 4

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

Southwest Airlines

$268

$238

One-way

Mon, Jul 6

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

Frontier Airlines

$243

$213

One-way

Wed, Jul 8

⌛ Last-Minute

PDX - San Diego

Portland (PDX) - San Diego (SAN)

Southwest Airlines

$227

$165

One-way

Biggest price drops on these dates for flights from Portland to San Diego

7 nights

Aug 5 - Aug 12

$273 → $160

41%

2 nights

Aug 15 - Aug 17

$290 → $189

35%

4 nights

Aug 25 - Aug 29

$288 → $190

34%

7 nights

Jul 15 - Jul 22

$246 → $165

33%

Popular Airports to fly from Portland to San Diego

Portland - San Diego route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Portland to San Diego are below the typical level at $126.

📅 Best time to fly

October is historically the cheapest month

Historically, October is the cheapest month to fly from Portland to San Diego, with a median price of $118.

⏱️ Flight duration

Median flight time is 7h 52m

The median flight time from Portland to San Diego is 7 hours 52 minutes.

✈️ Airlines & availability

Connecting flights are more common

About 32.8% of recent deals for this route are direct, with connecting flights being more common.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights

Alaska Airlines, Inc. has offered direct flights on this route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Portland to San Diego appear frequently, with over 1 deal per day.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International is a convenient option for flights from Portland to San Diego.

📍 ~10 km from city center (reachable by car or public transport)

💸 Flights from ~$126

San Diego main airports to arrive at

San Diego International (SAN)

Cheapest

San Diego International Airport is a convenient arrival choice for flights from Portland to San Diego.

📍 ~5 km from city center (reachable by car)

💸 Flights from ~$126

McClellan–Palomar (CLD)

McClellan–Palomar Airport offers an alternative arrival point for flights from Portland to San Diego.

📍 ~40 km from city center (reachable by car)

💸 Flights from ~$311

Airports nearby San Diego used as alternative

Tijuana International (TIJ)

Consider Tijuana International for flights to Mexico, with direct access via the Cross Border Xpress.

📍 ~25 km from San Diego (reachable by car)

💸 Flights from ~$459

John Wayne (SNA)

John Wayne Airport is a convenient domestic alternative with a strong network for US travel.

📍 ~135 km from San Diego (reachable by car)

💸 Flights from ~$218

Los Angeles International (LAX)

Cheapest

Los Angeles International offers extensive international and domestic route options, often with competitive pricing.

📍 ~190 km from San Diego (reachable by car)

💸 Flights from ~$137

Ontario International (ONT)

Ontario International is a reliable domestic alternative with growing service and often less congestion.

📍 ~175 km from San Diego (reachable by car)

💸 Flights from ~$175

Long Beach (LGB)

Long Beach Airport is easy to navigate and offers fast security processing for specific West Coast routes.

📍 ~155 km from San Diego (reachable by car)

💸 Flights from ~$168

Business & First Class Flight Deals to San Diego

San Diego, United States

38% AI deal score

$1,987

From PDX

Elite

Jul 03

San Diego, United States

38% AI deal score

$1,757

Frequently Asked Questions About Flights to San Diego

Historically, the optimal booking window for flights from Portland to San Diego has been 0-6 days before departure, with an average price of $307. However, prices can fluctuate significantly. For instance, flights booked 60+ days out averaged $332, while those booked 7-13 days in advance saw an average price of $655. Across the trailing quarter, prices varied, so comparing options within different booking windows is advisable.

A good price for a flight from Portland to San Diego is typically considered to be around $198 or less. This threshold represents the lowest 25% of fares observed across the trailing 90 days. The median price for this route historically has been $364, with 75% of fares falling below $614. These figures can help travelers identify a competitive price for their journey.

Historically, October has been the cheapest month to fly from Portland to San Diego, with a median price of $118. January and May also offered competitive prices, with median fares of $151 and $166 respectively. The annual median price for this route is $364, indicating that certain months offer significant savings compared to the yearly average. Planning your trip during these historically cheaper months could result in a better deal.

Related routes

Consider alternative routes from Portland

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