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.
$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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
Nov 29 — Dec 61
1 adult, Economy
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.Cheapflights Tip: The best prices from Portland to San Diego are usually found in February or January, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
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 October 30, 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 October 30, 2025.
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 12/310:30 amPDX - SAN
Nonstop2h 29mAlaska Airlines
Fri 12/125:58 pmSAN - PDX
Nonstop2h 48mAlaska Airlines
Deal found 10/30![Alaska Airlines logo]()
$177
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:26 pmPDX - SAN
1 stop27h 19mFrontier
Sun 11/96:41 amSAN - PDX
1 stop29h 15mFrontier
Deal found 10/29![Frontier logo]()
$178
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:26 pmPDX - SAN
1 stop22h 26mFrontier
Thu 11/133:59 pmSAN - PDX
1 stop26h 32mFrontier
Deal found 10/30![Frontier logo]()
$179
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:52 pmPDX - SAN
1 stop10h 58mFrontier
Mon 11/176:41 amSAN - PDX
1 stop29h 15mFrontier
Deal found 10/29![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 12/610:55 amPDX - SAN
1 stop5h 06mHawaiian Airlines
Sun 12/76:55 amSAN - PDX
Nonstop2h 52mHawaiian Airlines
Deal found 10/30![Hawaiian Airlines logo]()
$181
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/31:00 pmPDX - SAN
1 stop5h 28mUnited Airlines
Wed 12/1011:02 amSAN - PDX
2 stops7h 39mUnited Airlines
Deal found 10/30![United Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/35:50 pmPDX - SAN
1 stop14h 49mAlaska Airlines
Thu 12/111:55 pmSAN - PDX
Nonstop2h 48mAlaska Airlines
Deal found 10/29![Alaska Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/1212:55 pmPDX - SAN
1 stop6h 20mFrontier
Sun 12/219:14 pmSAN - PDX
1 stop22h 36mFrontier
Deal found 10/29![Frontier logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/37:15 amPDX - SAN
1 stop6h 44mAlaska Airlines
Sun 12/1410:55 amSAN - PDX
Nonstop2h 55mAlaska Airlines
Deal found 10/29![Alaska Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/47:04 amPDX - SAN
1 stop6h 04mAlaska Airlines
Fri 12/125:58 pmSAN - PDX
Nonstop2h 48mAlaska Airlines
Deal found 10/29![Alaska Airlines logo]()
$190
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:52 pmPDX - SAN
1 stop27h 08mFrontier
Thu 12/48:10 pmSAN - PDX
1 stop15h 46mFrontier
Deal found 10/29![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 10/29. 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 12/512:55 pmPDX - SAN
1 stop6h 20mMultiple Airlines
Fri 12/1210:55 amSAN - PDX
Nonstop2h 55mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$192
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 October 30, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $177 (Alaska Airlines) |
One-way from | $78 (Cheapflightsfares) |
Popular in | December |
Cheapest in | February |
Average price | $282 |
Good round-trip deal | $244 or less |
Good one-way deal | $134 or less |
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 October 30, 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
Thu 12/4
9:30 pm-11:59 pm
Nonstop2h 29m
San Diego
Tue 12/9
5:58 pm-8:46 pm
Nonstop2h 48m
$177
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 12/12
5:30 pm-8:02 pm
Nonstop2h 32m
San Diego
Tue 12/16
6:55 am-9:47 am
Nonstop2h 52m
$177
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 12/11
2:31 pm-5:02 pm
Nonstop2h 31m
San Diego
Sat 12/13
10:55 am-1:50 pm
Nonstop2h 55m
$177
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Mon 2/2
7:10 am-12:46 pm
1 stop5h 36m
San Diego
Fri 2/6
11:00 am-6:50 pm
1 stop7h 50m
$187
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 12/18
10:38 am-4:23 pm
1 stop5h 45m
San Diego
Wed 12/24
7:15 pm-10:04 pm
Nonstop2h 49m
$187
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Tue 12/23
9:34 pm-12:07 am
Nonstop2h 33m
San Diego
Sun 12/28
6:50 am-9:44 am
Nonstop2h 54m
$187
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 12/24
8:34 pm-11:07 pm
Nonstop2h 33m
San Diego
Sun 12/28
6:50 am-9:44 am
Nonstop2h 54m
$187
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 12/3
1:00 pm-7:52 pm
2 stops6h 52m
San Diego
Wed 12/10
11:02 am-6:41 pm
2 stops7h 39m
$206
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 11/20
7:01 am-11:53 am
1 stop4h 52m
San Diego
Sat 11/22
8:51 pm-6:20 am
1 stop9h 29m
$206
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sun 12/21
9:34 pm-12:07 am
Nonstop2h 33m
San Diego
Sun 12/28
6:50 am-9:44 am
Nonstop2h 54m
$207
Showing 1-10 of 23 results
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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
Prices
Delays
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 October 24, 2025.
Booking 88 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, October is the cheapest month in which you can book a flight from Portland to San Diego (average of $50). Flying from Portland to San Diego in March is currently the most expensive (average of $138). 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 October 30, 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 17% versus a flight in the morning.
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 October 26, 2025.
Travelers seeking maximum savings on their Portland to San Diego flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Portland to San Diego delayed?
About 11% of weekly flights between Portland and San Diego have experienced delays in the past year, with the average delay time being 108 minutes.
What is the most punctual flight time for Portland to San Diego flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Portland to San Diego flights?
Over the last year, Air Thanlwin have had the lowest number of delays on this route, with no flights being classified as delayed.
What’s the top layover airport for flights from Portland to San Diego?
Share of 1-stop round-trip flights from Portland to San Diego chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 80% of 1-stop itineraries from Portland to San Diego on Cheapflights.
What’s the fastest layover option from Portland to San Diego?
Shortest average travel time for 1-stop one-way flights from Portland to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 6h 42m.
What’s the fastest layover option from Portland to San Diego?
Shortest average travel time for 1-stop one-way flights from Portland to San Diego, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 6h 42m.
Which airport typically offers the quickest layover for flights from Portland to San Diego?
Average layover duration for 1-stop one-way flights from Portland to San Diego, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 20m.
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
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 October 30, 2025.
Read through reviews of airlines operating flights from Portland to San Diego, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
Comfort
7.8
Entertainment
7.0
Food
7.1
Overall
8.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodHannah,Aug 2025
SFO - SAN
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 San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City
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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 October 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$135 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$87 | Average$166 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$156 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$156 | Average$294 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$167 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$246 | Average$376 | FlexibilityNo cancel fee | On-time69% |