San Diego

$78+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
Dec 22 — Dec 291
We work with more than 300 partners to bring you better travel deals

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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Portland to San Diego are usually found in September or August, booked 83 days in advance, depart on a Saturday or Wednesday 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 December 17, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$143
(CheapOair)

One-way from

$78
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$311
Provider with most accurate pricing for Portland-San Diego flight deals.
Provider most trusted by Cheapflights users for Portland-San Diego flights.
From Portland to San Diego
One-way flight from Portland to San Diego
High demand for flights, 12% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

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 December 17, 2024.

This FlightHub deal was found by Cheapflights users on 12/16. 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.
Mon 12/309:14 pmPDX - SAN
1 stop12h 42mFrontier
Sat 1/43:46 pmSAN - PDX
1 stop18h 00mFrontier
Deal found 12/16$159
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/245:00 amPDX - SAN
1 stop8h 27mSpirit Airlines
Tue 12/316:15 amSAN - PDX
1 stop12h 38mSpirit Airlines
Deal found 12/16$197
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/179:08 amPDX - SAN
1 stop9h 07mMultiple Airlines
Sat 1/43:46 pmSAN - PDX
1 stop18h 00mMultiple Airlines
Deal found 12/16$199
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/316:35 pmPDX - SAN
Nonstop2h 29mAlaska Airlines
Wed 1/810:32 amSAN - PDX
Nonstop2h 44mAlaska Airlines
Deal found 12/16$247
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/305:20 amPDX - SAN
1 stop5h 11mDelta
Wed 1/87:12 pmSAN - PDX
1 stop4h 42mDelta
Deal found 12/16$291
This Southwest deal was found by Cheapflights users on 12/16. 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.
Tue 12/316:20 amPDX - SAN
1 stop5h 25mSouthwest
Tue 12/313:30 pmSAN - PDX
1 stop4h 00mSouthwest
Deal found 12/16$336
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/175:00 amPDX - SAN
1 stop7h 25mAmerican Airlines
Wed 12/256:30 amSAN - PDX
1 stop8h 15mAmerican Airlines
Deal found 12/16$362
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/2511:27 amPDX - SAN
1 stop6h 44mUnited Airlines
Tue 12/313:36 pmSAN - PDX
1 stop4h 47mUnited Airlines
Deal found 12/15$396

Find flights from Portland to San Diego within your budget

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 December 17, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/8

6:32 am-12:14 am

1 stop17h 42m

San Diego

Tue 3/11

6:25 am-12:37 am

1 stop18h 12m

$143

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 2/22

7:15 pm-9:41 pm

Nonstop2h 26m

San Diego

Tue 2/25

1:39 pm-5:59 pm

1 stop4h 20m

$146

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 1/15

5:30 pm-2:56 pm

3 stops21h 26m

San Diego

Wed 1/22

2:10 pm-9:21 am

2 stops19h 11m

$153

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Fri 1/3

5:00 am-5:11 pm

1 stop12h 11m

San Diego

Wed 1/8

2:07 pm-4:50 pm

Nonstop2h 43m

$160

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Fri 1/10

1:32 pm-11:58 pm

2 stops10h 26m

San Diego

Tue 1/14

6:15 am-12:29 pm

2 stops6h 14m

$196

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/25

5:25 pm-11:54 pm

1 stop6h 29m

San Diego

Wed 3/26

1:35 pm-8:49 pm

1 stop7h 14m

$256

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/15

4:00 pm-9:14 pm

1 stop5h 14m

$78

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 1/20

12:03 pm-12:29 am

1 stop12h 26m

$80

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Fri 1/3

7:19 pm-1:27 pm

1 stop18h 08m

$81

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 1/14

8:55 am-7:53 pm

2 stops10h 58m

$93

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-San Diego flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

Travel insights for flights from Portland to San Diego

Get recent, data-driven insights about flights from Portland to San Diego including ideal travel times, pricing trends, and more.

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 December 13, 2024.

Booking 83 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, September is the cheapest month in which you can book a flight from Portland to San Diego (average of $266). Flying from Portland to San Diego in March is currently the most expensive (average of $339). 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 December 17, 2024.

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 26% versus a flight in the afternoon.

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 December 16, 2024.

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.

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 December 17, 2024.
See what other customers who have flown with Alaska Airlines, United Airlines 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.
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.1
Very good
4,854 reviews
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good
9,551 reviews
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good
8,615 reviews
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.4
Good
9,070 reviews
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

6.3
Okay
8,122 reviews
8.1
Very good
4,854 reviews

Entertainment

7.7

Overall

8.1

Crew

8.7

Comfort

8.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 6 daily flights to San Diego from 7 different airlines. 2h 24m 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?

  • 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 $143. Other airlines that can offer you cheap pricing are Alaska Airlines, from $146, and Spirit Airlines, from $153. You may be able to fly from Portland to San Diego for 44% 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 Alaska Airlines, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Frontier and Spirit 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%), Japan Airlines (80%), Southwest( 75%).

  • 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 $415, our data indicates the cheapest price to be $78. The most popular route (Portland - San Diego), is priced around $64.

  • 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, September is the cheapest month in which you can book a flight from Portland to San Diego (average of $266). Flying from Portland to San Diego in March is currently the most expensive (average of $339). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portland to San Diego

Discover the top 6 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 December 17, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$73Average$140FlexibilityNo cancel feeOn-time65%
FrontierCheapest$80Average$153FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$156Average$297FlexibilityNo cancel feeOn-time75%
DeltaCheapest$176Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$242Average$368FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.