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.
$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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
Jun 17 — Jun 241
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
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.Cheapflights Tip: The best prices from Portland to San Diego are usually found in September or August, booked 77 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 June 12, 2025.
Round-trip from | $163 (FlightHub) |
|---|---|
One-way from | $84 (Mytrip) |
Popular in | March |
Cheapest in | September |
Average price | $279 |
Good round-trip deal | $237 or less |
Good one-way deal | $148 or less |
Find flight deals from Portland to San Diego
Cheapest flights from Portland to San DiegoExplore 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 June 12, 2025.
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 June 12, 2025.
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 9/52:35 pmPDX - SAN
1 stop17h 39mSpirit Airlines
Mon 9/89:09 amSAN - PDX
1 stop4h 21mSpirit Airlines
Deal found 6/10![Spirit Airlines logo]()
$163
This CheapOair deal was found by Cheapflights users on 6/12. 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.
Sat 8/23:10 pmPDX - SAN
1 stop7h 56mMultiple Airlines
Mon 8/46:00 amSAN - PDX
Nonstop2h 35mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/35:41 pmPDX - SAN
Nonstop2h 37mAlaska Airlines
Sat 9/62:03 pmSAN - PDX
Nonstop2h 41mAlaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$177
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/167:23 amPDX - SAN
Nonstop2h 36mHawaiian Airlines
Fri 9/198:22 pmSAN - PDX
Nonstop2h 41mHawaiian Airlines
Deal found 6/10![Hawaiian Airlines logo]()
$187
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:20 pmPDX - SAN
1 stop6h 05mSouthwest
Wed 8/610:30 amSAN - PDX
1 stop4h 10mSouthwest
Deal found 6/11![Southwest logo]()
$233
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 7/195:17 amPDX - SAN
1 stop4h 57mDelta
Fri 7/253:35 pmSAN - PDX
1 stop5h 26mDelta
Deal found 6/11![Delta logo]()
$238
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Fri 10/108:53 pmPDX - SAN
1 stop12h 31mFrontier
Mon 10/136:25 amSAN - PDX
1 stop17h 51mFrontier
Deal found 6/11![Frontier logo]()
$260
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 June 12, 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
Fri 9/5
2:35 pm-8:14 am
1 stop17h 39m
San Diego
Mon 9/8
9:09 am-1:30 pm
1 stop4h 21m
$163
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 8/2
3:10 pm-11:06 pm
1 stop7h 56m
San Diego
Mon 8/4
6:00 am-8:35 am
Nonstop2h 35m
$169
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 9/3
5:41 pm-8:18 pm
Nonstop2h 37m
San Diego
Sat 9/6
2:03 pm-4:44 pm
Nonstop2h 41m
$177
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 8/23
5:47 pm-10:53 pm
1 stop5h 06m
San Diego
Tue 8/26
8:43 am-1:37 pm
1 stop4h 54m
$196
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Mon 8/4
4:20 pm-10:25 pm
1 stop6h 05m
San Diego
Wed 8/6
10:30 am-2:40 pm
1 stop4h 10m
$233
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 7/19
5:17 am-10:14 am
1 stop4h 57m
San Diego
Fri 7/25
3:35 pm-9:01 pm
1 stop5h 26m
$238
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 7/11
11:00 am-11:52 pm
2 stops12h 52m
San Diego
Mon 7/14
10:47 am-8:34 pm
1 stop9h 47m
$278
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Mon 8/18
2:35 pm-10:45 am
1 stop20h 10m
$84
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 8/20
2:35 pm-5:10 pm
Nonstop2h 35m
$89
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 8/14
9:30 pm-12:05 am
Nonstop2h 35m
$99
Showing 1-10 of 13 results
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 Airlines
![Spirit Airlines]()
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.
Airports
Our travel experts
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 June 9, 2025.
Booking 77 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 June 12, 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 22% 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 June 8, 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 June 12, 2025.
The most flights from PDX to SAN are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 June 12, 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.
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Crew
8.5
Overall
8.0
Food
7.1
Comfort
7.8
Entertainment
7.1
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Portland to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$137 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$99 | Average$128 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$283 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$158 | Average$287 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$300 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$219 | Average$392 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$376 | FlexibilityNo cancel fee | On-time69% |