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$83+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
May 28 — Jun 41
Wed 5/28
Wed 6/4
1 adult, Economy
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Find cheap flights from Portland to San Diego with Cheapflights

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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Cheapflights Tip: The best prices from Portland to San Diego are usually found in September or August, booked 28 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 May 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$150
(Cheapflightsfares)

One-way from

$85
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$287

Good round-trip deal

$237 or less

Good one-way deal

$120 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. 10% potential increase in price ($27 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 May 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1812:12 pmPDX - SAN
1 stop6h 14mSpirit Airlines
Sat 6/216:15 amSAN - PDX
1 stop11h 29mSpirit Airlines
Deal found 5/22$151
This Expedia deal was found by Cheapflights users on 5/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/111:00 amPDX - SAN
1 stop7h 10mMultiple Airlines
Mon 8/46:00 amSAN - PDX
Nonstop2h 35mMultiple Airlines
Deal found 5/21$163
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
Wed 6/119:30 pmPDX - SAN
Nonstop2h 29mAlaska Airlines
Sat 6/148:37 pmSAN - PDX
Nonstop2h 37mAlaska Airlines
Deal found 5/21$177
This Hawaiian Airlines deal was found by Cheapflights users on 5/21. 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.
Sat 6/149:30 pmPDX - SAN
Nonstop2h 35mHawaiian Airlines
Mon 6/168:37 pmSAN - PDX
Nonstop2h 37mHawaiian Airlines
Deal found 5/21$187
This Frontier deal was found by Cheapflights users on 5/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/301:50 pmPDX - SAN
1 stop4h 36mFrontier
Mon 6/161:10 pmSAN - PDX
1 stop5h 10mFrontier
Deal found 5/21$200
This Delta deal was found by Cheapflights users on 5/21. 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.
Thu 6/124:55 pmPDX - SAN
1 stop5h 58mDelta
Mon 6/167:15 pmSAN - PDX
1 stop4h 24mDelta
Deal found 5/21$254

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 May 23, 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

Sat 6/28

6:39 pm-11:29 pm

1 stop4h 50m

San Diego

Thu 7/3

6:15 am-11:17 am

1 stop5h 02m

$150

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 8/12

10:40 am-1:15 pm

Nonstop2h 35m

San Diego

Wed 8/13

8:37 pm-11:14 pm

Nonstop2h 37m

$177

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 6/18

12:12 pm-6:26 pm

1 stop6h 14m

San Diego

Sun 6/22

8:37 pm-10:18 am

1 stop13h 41m

$179

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Thu 8/14

7:15 am-1:02 pm

1 stop5h 47m

San Diego

Fri 8/15

7:19 pm-11:52 pm

1 stop4h 33m

$197

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 10/20

7:00 am-11:55 am

1 stop4h 55m

San Diego

Mon 10/20

6:09 pm-8:50 pm

Nonstop2h 41m

$201

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 6/2

5:50 pm-11:55 pm

1 stop6h 05m

San Diego

Wed 6/4

12:09 pm-11:37 pm

1 stop11h 28m

$202

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 7/8

6:15 pm-10:00 pm

1 stop3h 45m

San Diego

Tue 7/15

6:40 am-1:35 pm

2 stops6h 55m

$339

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 6/2

1:37 pm-7:13 am

1 stop17h 36m

$83

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 8/26

5:41 pm-8:18 pm

Nonstop2h 37m

$88

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 8/20

9:30 pm-11:59 pm

Nonstop2h 29m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 14 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
Airports
PDX

Security wait times at PDX can reach over 30 minutes during rush hours. Consider Express Lanes if eligible for faster processing.

Read more about PDXby Brandon Schultz
SAN

For a budget-friendly option, take the free San Diego Flyer shuttle from SAN to the Old Town Transit Center.

Read more about SANby Blane Bachelor
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
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Brandon Schultz

Brandon Schultz

Expert on PDX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

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 16, 2025.

Booking 28 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 May 23, 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 24% 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 18, 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 May 23, 2025.

The most flights from PDX to SAN are scheduled on a Wednesday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 May 23, 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
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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
4,291 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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
2,450 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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
8,745 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

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 12 daily flights to San Diego from 8 different airlines. 2h 29m 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 $150. Other airlines that can offer you cheap pricing are Alaska Airlines, from $177, and United Airlines, from $197. You may be able to fly from Portland to San Diego for 40% 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 $85. However, be on the lookout for offers from Hawaiian Airlines 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: SkyWest Airlines (100%), Icelandair (100%), Hawaiian Airlines( 85%).

  • 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 $428, our data indicates the cheapest price to be $88. The most popular route (Portland - San Diego), is priced around $94.

  • 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 May 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$133FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$128FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$153Average$287FlexibilityNo cancel feeOn-time75%
DeltaCheapest$158Average$291FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$177Average$297FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$219Average$391FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$376FlexibilityNo cancel feeOn-time69%

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