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Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort.
$67+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
Mar 30 — Apr 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 September or August, booked 33 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 March 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Mytrip) |
One-way from | $67 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $357 |
Good round-trip deal | $262 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 March 25, 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 March 25, 2025.
This Mytrip deal was found by Cheapflights users on 3/23. 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.
Tue 4/111:15 amPDX - SAN
1 stop12h 36mSpirit Airlines
Tue 4/83:29 pmSAN - PDX
2 stops22h 08mSpirit Airlines
Deal found 3/23![Spirit Airlines logo]()
$159
This Orbitz deal was found by Cheapflights users on 3/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:35 pmPDX - SAN
1 stop10h 18mMultiple Airlines
Mon 5/198:59 pmSAN - PDX
Nonstop2h 39mMultiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 4/227:00 amPDX - SAN
Nonstop2h 28mAlaska Airlines
Wed 4/232:15 pmSAN - PDX
Nonstop2h 41mAlaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 5/226:25 amPDX - SAN
1 stop5h 00mSouthwest
Mon 5/266:45 amSAN - PDX
1 stop5h 15mSouthwest
Deal found 3/24![Southwest logo]()
$197
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 5/35:59 pmPDX - SAN
Nonstop2h 32mHawaiian Airlines
Wed 5/77:00 amSAN - PDX
Nonstop2h 50mHawaiian Airlines
Deal found 3/24![Hawaiian Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 3/23. 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.
Fri 4/185:26 pmPDX - SAN
1 stop6h 17mDelta
Mon 4/216:59 pmSAN - PDX
1 stop4h 57mDelta
Deal found 3/23![Delta logo]()
$217
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Thu 3/276:32 amPDX - SAN
1 stop17h 48mFrontier
Wed 4/26:25 amSAN - PDX
1 stop18h 12mFrontier
Deal found 3/23![Frontier logo]()
$290
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 March 25, 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
Tue 4/1
11:15 am-11:51 pm
1 stop12h 36m
San Diego
Tue 4/8
3:29 pm-1:37 pm
2 stops22h 08m
$159
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Mon 5/12
1:35 pm-11:53 pm
1 stop10h 18m
San Diego
Mon 5/19
8:59 pm-11:38 pm
Nonstop2h 39m
$167
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Tue 4/22
7:00 am-9:28 am
Nonstop2h 28m
San Diego
Wed 4/23
2:15 pm-4:56 pm
Nonstop2h 41m
$177
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 5/22
6:25 am-11:25 am
1 stop5h 00m
San Diego
Mon 5/26
6:45 am-12:00 pm
1 stop5h 15m
$197
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 5/3
5:59 pm-8:31 pm
Nonstop2h 32m
San Diego
Wed 5/7
7:00 am-9:50 am
Nonstop2h 50m
$207
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 4/18
3:10 pm-10:20 pm
1 stop7h 10m
San Diego
Tue 4/22
11:02 am-3:53 pm
1 stop4h 51m
$217
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 3/27
6:32 am-12:20 am
1 stop17h 48m
San Diego
Wed 4/2
6:25 am-12:37 am
1 stop18h 12m
$290
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 5/2
7:01 pm-12:42 am
1 stop5h 41m
$67
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 5/21
2:43 pm-5:14 pm
Nonstop2h 31m
$89
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 5/24
7:41 pm-12:15 am
1 stop4h 34m
$99
Showing 1-10 of 15 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- 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.
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.
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 March 21, 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 March 25, 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 March 16, 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. Saturday 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 March 25, 2025.
The most flights from PDX to SAN are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 March 25, 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
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Crew
8.5
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Crew
8.5
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Crew
8.5
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Crew
8.5
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - SAN
Crew
8.5
Boarding
8.2
Comfort
7.9
Food
7.1
Overall
8.0
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentSeleste,Dec 2024
FAT - 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 Portland?
Book flights to Portland if you plan to visit one of these locationsEl Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs
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 March 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$137 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$80 | Average$141 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$154 | Average$293 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$166 | Average$317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$181 | Average$342 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$219 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$238 | Average$384 | FlexibilityNo cancel fee | On-time69% |