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$84+ Cheap flights from Portland to San Diego (PDX - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
may. 12 — may. 191
lun. 5/12
lun. 5/19
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Portland to San Diego are usually found in September or August, booked 63 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

Cheap flight deals from Portland to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 7, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$155
(Kiwi.com)

One-way from

$84
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$287

Good round-trip deal

$237 or less

Good one-way deal

$143 or less
Provider with most accurate pricing for Portland-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San Diego flights.
Search Deals
From Portland to San Diego
Search Deals
One-way flight from Portland to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Portland to San Diego.
Search Deals
Price to beat on a one-way flight from Portland to San Diego.
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Find flight deals from Portland to San Diego

Cheapest flights from Portland to San Diego
Explore the most affordable flight options available from Portland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/221:37 pmPDX - SAN
1 stop6h 16mSpirit Airlines
jue. 5/296:15 amSAN - PDX
1 stop6h 27mSpirit Airlines
Deal found 5/7$155
This United Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/278:00 amPDX - SAN
1 stop4h 36mUnited Airlines
sáb. 11/111:20 amSAN - PDX
1 stop6h 18mUnited Airlines
Deal found 5/6$158
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/27:15 amPDX - SAN
1 stop5h 47mDelta
sáb. 7/56:17 amSAN - PDX
1 stop4h 53mDelta
Deal found 5/6$159
This FlightHub deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/176:20 amPDX - SAN
1 stop6h 03mMultiple Airlines
sáb. 5/316:15 amSAN - PDX
1 stop6h 27mMultiple Airlines
Deal found 5/6$160
This Southwest deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:30 amPDX - SAN
1 stop5h 55mSouthwest
mié. 5/284:45 pmSAN - PDX
1 stop5h 30mSouthwest
Deal found 5/6$167
This Alaska Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:00 amPDX - SAN
Nonstop2h 32mAlaska Airlines
mar. 10/216:09 pmSAN - PDX
Nonstop2h 41mAlaska Airlines
Deal found 5/7$177
This Hawaiian Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/27:23 amPDX - SAN
Nonstop2h 36mHawaiian Airlines
dom. 9/77:00 amSAN - PDX
Nonstop2h 38mHawaiian Airlines
Deal found 5/6$187
This CheapOair deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/106:20 amPDX - SAN
1 stop27h 18mFrontier
lun. 5/128:54 pmSAN - PDX
1 stop26h 33mFrontier
Deal found 5/6$188

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 7, 2025.
Use the filters below to find and compare flights from Portland to San Diego that are best for you.

Fly from

Portland

Fly to

San Diego

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

jue. 5/22

1:37 pm-7:53 pm

1 stop6h 16m

San Diego

jue. 5/29

6:15 am-12:42 pm

1 stop6h 27m

$155

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mié. 7/2

7:15 am-1:02 pm

1 stop5h 47m

San Diego

sáb. 7/5

6:17 am-11:10 am

1 stop4h 53m

$159

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

sáb. 5/17

6:20 am-12:23 pm

1 stop6h 03m

San Diego

sáb. 5/31

6:15 am-12:42 pm

1 stop6h 27m

$160

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mié. 5/28

6:30 am-12:25 pm

1 stop5h 55m

San Diego

mié. 5/28

4:45 pm-10:15 pm

1 stop5h 30m

$167

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

sáb. 5/10

6:20 am-9:38 am

1 stop27h 18m

San Diego

lun. 5/12

8:54 pm-11:27 pm

1 stop26h 33m

$188

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

jue. 6/5

2:30 pm-6:22 pm

1 stop3h 52m

San Diego

lun. 6/9

8:59 pm-11:38 pm

Nonstop2h 39m

$207

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

jue. 5/29

9:30 pm-11:59 pm

Nonstop2h 29m

San Diego

dom. 6/1

7:00 am-9:42 am

Nonstop2h 42m

$217

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mar. 6/3

9:54 am-7:47 pm

2 stops9h 53m

San Diego

mar. 6/10

7:55 am-2:46 pm

1 stop6h 51m

$330

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

vie. 6/13

6:39 pm-11:29 pm

1 stop4h 50m

$84

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

mar. 5/27

7:00 am-9:32 am

Nonstop2h 32m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 17 results
1
2

Compare providers for flights from Portland to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Diego in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-San Diego flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Portland-San Diego flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Portland-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-San Diego flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Portland to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to San Diego trip
Airlines
Alaska Airlines

Alaska's Wi-Fi offers a flat fee, great for getting work done on flights.


Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort.

Read more about Alaska Airlinesby Robert Schrader
Spirit Airlines

Spirit's Big Front Seats offer 11 extra inches of legroom, ideal for short flights.


Use Spirit's Bag-O-Tron tool to find the best baggage prices and save money.

Read more about Spirit Airlinesby Daniel Scheffler
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

Best time to book a flight from Portland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to San Diego

How far ahead should I book a flight from Portland to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Diego. Price data was last updated on May 2, 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to San Diego?

Currently, August is the cheapest month in which you can book a flight from Portland to San Diego (average of $286). Flying from Portland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to SAN?

Find hourly flight availability from Portland to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 7, 2025.

When flying from Portland to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight at noon.

What is the cheapest day to fly from Portland to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Portland to San Diego. Price data was last updated on May 5, 2025.

Travelers seeking maximum savings on their Portland to San Diego flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to San Diego

Explore weekly flight availability from Portland to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 7, 2025.

The most flights from PDX to SAN are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated mayo 7, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Portland to San Diego have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,994 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,292 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,944 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,425 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,710 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Portland to San Diego?

    San Diego is the airport most travelers will use when flying to San Diego from Portland. Booking flights from Portland (PDX) to San Diego (SAN) should be relatively easy as there are 9 daily flights to San Diego from 8 different airlines. 2h 25m is how long a flight from Portland to San Diego will take if you book a nonstop flight.

  • How popular is this Portland to San Diego flight route?

    This flight path from Portland to San Diego was viewed by 100 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Portland to San Diego round-trip?

    Cheapflights users have booked flights from Portland to San Diego round-trip from $155. Other airlines that can offer you cheap pricing are United Airlines, from $158, and Delta, from $159. You may be able to fly from Portland to San Diego for 39% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland to San Diego one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from Frontier and Alaska Airlines, as they are both options that can get you from Portland to San Diego for a low price.

  • What are the most reliable airlines from Portland to San Diego?

    Before booking your flight to San Diego from Portland, check out the most reliable airlines to get you to your destination on time: Horizon Air (100%), Hawaiian Airlines (85%), Japan Airlines( 82%).

  • What are the cheapest flights from Portland to San Diego?

    Looking for the cheapest flight from Portland to San Diego? While on average our users pay $504, our data indicates the cheapest price to be $88. The most popular route (Portland - San Diego), is priced around $92.

  • Can I find deals for flights from Portland to San Diego that include hotel bookings?

    Yes. In addition to deals on Portland to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to San Diego.

  • Can I find deals for business class flights from Portland to San Diego?

    Yes. Cheapflights offers flight deals from Portland to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Portland to San Diego (average of $286). Flying from Portland to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado

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Alternative routes for Portland to San Diego

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Top 7 airlines flying from Portland to San Diego

Discover the top 7 airlines that operate flights from Portland to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$135FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$131FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$154Average$291FlexibilityNo cancel feeOn-time75%
DeltaCheapest$166Average$306FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$177Average$298FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$219Average$394FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$376FlexibilityNo cancel feeOn-time69%

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