$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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
May 28 — Jun 41
Round-trip
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 January or May, booked 77 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Cheap flight deals from Portland to San Diego
Cheapest
Best
Last-minute
One-way
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 April 28, 2026.
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 April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/125:10 am
PDX
- SAN
1 stop4h 48m
United Airlines
Wed 8/198:45 am
SAN
- PDX
1 stop6h 20m
United Airlines
Deal found 4/26![United Airlines logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/26. 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.
Mon 6/111:15 am
PDX
- SAN
1 stop7h 26m
Frontier
Thu 6/49:43 am
SAN
- PDX
1 stop24h 37m
Frontier
Deal found 4/26![Frontier logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:35 am
PDX
- SAN
Nonstop2h 43m
Alaska Airlines
Sat 6/612:39 pm
SAN
- PDX
1 stop9h 18m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:40 pm
PDX
- SAN
Nonstop2h 30m
Southwest
Tue 8/254:35 pm
SAN
- PDX
Nonstop2h 25m
Southwest
Deal found 4/23![Southwest logo]()
$188
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sat 5/309:30 pm
PDX
- SAN
Nonstop2h 37m
Multiple Airlines
Sat 6/69:37 am
SAN
- PDX
1 stop7h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/311:16 am
PDX
- SAN
2 stops8h 35m
United Airlines
Tue 6/94:09 pm
SAN
- PDX
1 stop4h 45m
United Airlines
Deal found 4/25![United Airlines logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/110:35 am
PDX
- SAN
Nonstop2h 43m
Alaska Airlines
Wed 6/34:40 pm
SAN
- PDX
Nonstop2h 43m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 5/302:45 pm
PDX
- SAN
Nonstop2h 38m
Alaska Airlines
Sat 5/309:06 pm
SAN
- PDX
Nonstop2h 45m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/305:01 pm
PDX
- SAN
1 stop4h 54m
Delta
Sun 6/710:50 am
SAN
- PDX
1 stop5h 52m
Delta
Deal found 4/23![Delta logo]()
$193
This Southwest deal was found by Cheapflights users on 4/28. 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.
Wed 8/126:35 am
PDX
- SAN
2 stops5h 10m
Southwest
Tue 8/184:10 pm
SAN
- PDX
2 stops5h 10m
Southwest
Deal found 4/28![Southwest logo]()
$195
Best flights from Portland to San DiegoDiscover carefully curated flight deals from Portland to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
Discover carefully curated flight deals from Portland to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/125:10 am
PDX
- SAN
1 stop4h 48m
United Airlines
Mon 8/177:41 pm
SAN
- PDX
1 stop5h 06m
United Airlines
Deal found 4/26![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 4/27. 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.
Sat 5/2312:20 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Sun 5/247:20 am
SAN
- PDX
1 stop4h 00m
Southwest
Deal found 4/27![Southwest logo]()
$257
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 6/167:20 am
PDX
- SAN
1 stop7h 44m
Delta
Sun 6/217:00 am
SAN
- PDX
1 stop4h 42m
Delta
Deal found 4/25![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 7/249:06 pm
PDX
- SAN
Nonstop2h 35m
Alaska Airlines
Sat 7/252:03 pm
SAN
- PDX
Nonstop2h 33m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 4/26. 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 9/93:43 pm
PDX
- SAN
1 stop5h 02m
United Airlines
Mon 9/144:06 pm
SAN
- PDX
1 stop4h 44m
United Airlines
Deal found 4/26![United Airlines logo]()
$202
This Southwest deal was found by Cheapflights users on 4/27. 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 9/175:45 am
PDX
- SAN
1 stop5h 30m
Southwest
Wed 9/2312:45 pm
SAN
- PDX
1 stop7h 05m
Southwest
Deal found 4/27![Southwest logo]()
$261
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 5/84:15 pm
PDX
- SAN
1 stop6h 01m
United Airlines
Sun 5/106:20 am
SAN
- PDX
1 stop6h 15m
United Airlines
Deal found 4/27![United Airlines logo]()
$277
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 9/177:30 am
PDX
- SAN
1 stop5h 47m
Alaska Airlines
Thu 9/174:36 pm
SAN
- PDX
1 stop3h 54m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 4/25. 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 9/105:00 am
PDX
- SAN
2 stops6h 15m
Southwest
Sun 9/136:40 am
SAN
- PDX
1 stop4h 55m
Southwest
Deal found 4/25![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 4/24. 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.
Fri 6/125:35 pm
PDX
- SAN
1 stop5h 40m
Southwest
Sat 8/82:50 pm
SAN
- PDX
2 stops5h 10m
Southwest
Deal found 4/24![Southwest logo]()
$342
Last-minute flights from Portland to San DiegoDiscover last-minute flight deals from Portland to San Diego. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Diego. Data last updated April 28, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/132:51 pm
PDX
- SAN
1 stop17h 07m
Alaska Airlines
Sat 5/167:00 am
SAN
- PDX
Nonstop2h 46m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:25 am
PDX
- SAN
2 stops7h 25m
Southwest
Sat 5/3010:00 am
SAN
- PDX
1 stop3h 55m
Southwest
Deal found 4/23![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 4/27. 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 5/266:00 am
PDX
- SAN
1 stop6h 40m
Southwest
Tue 6/211:30 am
SAN
- PDX
1 stop4h 55m
Southwest
Deal found 4/27![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:46 pm
PDX
- SAN
1 stop14h 56m
Frontier
Sat 5/304:17 pm
SAN
- PDX
2 stops19h 33m
Frontier
Deal found 4/24![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:35 am
PDX
- SAN
Nonstop2h 20m
Southwest
Mon 6/111:30 am
SAN
- PDX
1 stop4h 50m
Southwest
Deal found 4/23![Southwest logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:35 am
PDX
- SAN
Nonstop2h 43m
Alaska Airlines
Sat 6/612:39 pm
SAN
- PDX
1 stop9h 18m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$187
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sat 5/309:30 pm
PDX
- SAN
Nonstop2h 37m
Multiple Airlines
Sat 6/69:37 am
SAN
- PDX
1 stop7h 09m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 4/28. 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.
Sat 5/3012:20 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Wed 6/36:30 pm
SAN
- PDX
1 stop4h 40m
Southwest
Deal found 4/28![Southwest logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 5/302:45 pm
PDX
- SAN
Nonstop2h 38m
Alaska Airlines
Sat 5/309:06 pm
SAN
- PDX
Nonstop2h 45m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 4/23. 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.
Sat 5/305:01 pm
PDX
- SAN
1 stop4h 54m
Delta
Sun 6/710:50 am
SAN
- PDX
1 stop5h 52m
Delta
Deal found 4/23![Delta logo]()
$193
One-way flights from Portland to San DiegoSearch for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
Search for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:15 am
PDX
- SAN
Nonstop2h 43m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Sun 5/109:46 pm
PDX
- SAN
1 stop23h 18m
Frontier
Deal found 4/28![Frontier logo]()
$89
This Delta deal was found by Cheapflights users on 4/25. 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.
Wed 5/2010:52 am
PDX
- SAN
1 stop7h 11m
Delta
Deal found 4/25![Delta logo]()
$93
This Expedia deal was found by Cheapflights users on 4/26. 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.
Mon 5/118:46 pm
PDX
- SAN
1 stop24h 18m
Frontier
Deal found 4/26![Frontier logo]()
$96
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 5/197:15 am
PDX
- SAN
2 stops10h 09m
United Airlines
Deal found 4/26![United Airlines logo]()
$98
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Sat 5/235:32 pm
PDX
- SAN
Nonstop2h 35m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$99
This CheapOair deal was found by Cheapflights users on 4/25. 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 5/149:46 pm
PDX
- SAN
1 stop23h 18m
Frontier
Deal found 4/25![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/179:46 pm
PDX
- SAN
2 stops14h 57m
Frontier
Deal found 4/25![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:19 pm
PDX
- SAN
1 stop25h 15m
Frontier
Deal found 4/23![Frontier logo]()
$108
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:20 pm
PDX
- SAN
Nonstop2h 25m
Southwest
Deal found 4/23![Southwest logo]()
$109
Find 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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (United Airlines) |
One-way from | $83 (Alaska Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $317 |
Good round-trip deal | $223 or less |
Good one-way deal | $144 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 April 28, 2026.
Use the filters below to find and compare flights from Portland to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 8/12
5:10 am-9:58 am
1 stop4h 48m
San Diego
Mon 8/17
7:41 pm-12:47 am
1 stop5h 06m
$202
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Wed 9/9
3:43 pm-8:45 pm
1 stop5h 02m
San Diego
Mon 9/14
4:06 pm-8:50 pm
1 stop4h 44m
$202
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Sat 5/23
12:20 pm-2:45 pm
Nonstop2h 25m
San Diego
Sun 5/24
7:20 am-11:20 am
1 stop4h 00m
$257
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 9/17
5:45 am-11:15 am
1 stop5h 30m
San Diego
Wed 9/23
12:45 pm-7:50 pm
1 stop7h 05m
$261
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 5/8
4:15 pm-10:16 pm
1 stop6h 01m
San Diego
Sun 5/10
6:20 am-12:35 pm
1 stop6h 15m
$277
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Tue 6/16
7:20 am-3:04 pm
1 stop7h 44m
San Diego
Sun 6/21
7:00 am-11:42 am
1 stop4h 42m
$292
Quickest round-trip
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 7/24
9:06 pm-11:41 pm
Nonstop2h 35m
San Diego
Sat 7/25
2:03 pm-4:36 pm
Nonstop2h 33m
$317
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 9/17
7:30 am-1:17 pm
1 stop5h 47m
San Diego
Thu 9/17
4:36 pm-8:30 pm
1 stop3h 54m
$331
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Thu 9/10
5:00 am-11:15 am
2 stops6h 15m
San Diego
Sun 9/13
6:40 am-11:35 am
1 stop4h 55m
$342
PortlandSan Diego
PDX - SAN
PDXSAN
Portland
Fri 6/12
5:35 pm-11:15 pm
1 stop5h 40m
San Diego
Sat 8/8
2:50 pm-8:00 pm
2 stops5h 10m
$342
Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 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.
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.
PDX-SAN
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.
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Everything you need to know about your flight from Portland to San Diego
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How far ahead should I book a flight from Portland to San Diego?
Booking 76 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, January is the cheapest month in which you can book a flight from Portland to San Diego (average of $237). Flying from Portland to San Diego in March is currently the most expensive (average of $337). 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 April 28, 2026.
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 afternoon, which can drop the price by up to 3% versus a flight in the evening.
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 April 25, 2026.
Travelers seeking maximum savings on their Portland to San Diego flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday 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?
Monday tends to have the lowest number of delays on this route, whereas Thursday 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, Alaska Airlines have had the lowest number of delays on this route, with just 11% of flights being 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 60% of 1-stop itineraries from Portland to San Diego on Cheapflights.
What’s the cheapest layover airport for flights from Portland to San Diego?
Average round-trip fare for 1-stop flights from Portland to San Diego, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Salt Lake City (SLC) is the most affordable 1-stop option, with an average round-trip price of $111.
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 Salt Lake City (SLC) have the shortest average one-way travel time for 1-stop routes: 4h 35m.
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 Salt Lake City (SLC) offer the fastest connection on this route, with an average layover time of 0h 42m.
The best insider tips for Portland to San Diego flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to San Diego trip
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 April 28, 2026.
Read through reviews of airlines operating flights from Portland to San Diego, such as Southwest,Alaska Airlines, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Portland and San Diego flights
Browse other Portland and San Diego flight options. Last updated on April 28, 2026.
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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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$76 | Average$158 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$87 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$216 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$164 | Average$302 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$167 | Average$297 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$173 | Average$297 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$218 | Average$347 | FlexibilityNo cancel fee | On-time69% |