$69+ Cheap flights from Portland to San Diego (PDX - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAN
Nov 10 — Nov 171
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
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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 January, 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 October 11, 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 October 11, 2026.
This Southwest deal was found by Cheapflights users on 10/8. 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 11/68:00 am -
Nonstop2h 20m
Mon 11/95:00 pm -
Nonstop2h 35m
Deal found 10/8![Southwest logo]()
$137
This Priceline deal was found by Cheapflights users on 10/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:30 am -
Nonstop2h 37m
Tue 12/86:30 am -
1 stop9h 40m
Deal found 10/9![Multiple Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 10/9. 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 12/53:20 pm -
Nonstop2h 20m
Sat 12/197:40 pm -
1 stop3h 55m
Deal found 10/9![Southwest logo]()
$143
This Priceline deal was found by Cheapflights users on 10/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
1 stop7h 04m
Wed 11/44:15 pm -
Nonstop2h 42m
Deal found 10/10![Multiple Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 10/8. 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 12/55:45 am -
1 stop6h 44m
Sat 12/124:11 pm -
1 stop4h 44m
Deal found 10/8![Delta logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:23 am -
1 stop20h 32m
Tue 12/16:30 am -
1 stop9h 37m
Deal found 10/8![Frontier logo]()
$150
This Delta deal was found by Cheapflights users on 10/8. 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 11/75:09 pm -
1 stop5h 34m
Mon 11/95:13 pm -
1 stop6h 38m
Deal found 10/8![Delta logo]()
$152
This deal was found by Cheapflights users on 10/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:59 pm -
1 stop4h 53m
Wed 12/95:11 pm -
1 stop6h 48m
Deal found 10/8![Delta logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:27 am -
1 stop23h 59m
Tue 12/16:30 am -
1 stop9h 37m
Deal found 10/6![Frontier logo]()
$154
This Delta deal was found by Cheapflights users on 10/6. 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.
Thu 11/511:09 am -
1 stop4h 01m
Thu 11/123:53 pm -
1 stop7h 43m
Deal found 10/6![Delta logo]()
$155
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:02 pm -
1 stop11h 55m
Thu 10/298:32 pm -
1 stop15h 04m
Deal found 10/6![Frontier logo]()
$156
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 October 11, 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 October 11, 2026.
This Southwest deal was found by Cheapflights users on 10/9. 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 11/133:35 pm -
Nonstop2h 20m
Sat 11/149:20 am -
1 stop5h 20m
Deal found 10/9![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 10/7. 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 11/75:49 pm -
1 stop5h 02m
Mon 11/93:59 pm -
1 stop6h 41m
Deal found 10/7![Delta logo]()
$152
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/55:30 am -
1 stop4h 42m
Thu 11/121:31 pm -
1 stop4h 53m
Deal found 10/6![United Airlines logo]()
$191
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 10/297:09 am -
Nonstop2h 47m
Sat 10/312:10 pm -
Nonstop2h 41m
Deal found 10/7![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 10/6. 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.
Thu 11/511:09 am -
1 stop4h 01m
Thu 11/123:53 pm -
1 stop7h 43m
Deal found 10/6![Delta logo]()
$155
This Southwest deal was found by Cheapflights users on 10/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 am -
2 stops5h 05m
Fri 11/131:25 pm -
1 stop6h 55m
Deal found 10/10![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 10/6. 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 1/221:18 pm -
1 stop7h 20m
Mon 1/251:06 pm -
1 stop5h 05m
Deal found 10/6![United Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sun 11/156:10 am -
1 stop5h 25m
Tue 11/174:10 pm -
Nonstop2h 35m
Deal found 10/9![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 10/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:35 am -
2 stops7h 10m
Sun 1/104:15 pm -
Nonstop2h 45m
Deal found 10/10![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 10/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:10 am -
2 stops5h 35m
Sun 1/174:15 pm -
Nonstop2h 45m
Deal found 10/10![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 10/7. 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 11/276:10 am -
1 stop4h 30m
Tue 1/512:35 pm -
2 stops9h 40m
Deal found 10/7![Southwest logo]()
$225
Last-minute flights from Portland to San DiegoDiscover last-minute flight deals from Portland to San Diego. Data last updated October 11, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Diego. Data last updated October 11, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:02 pm -
1 stop11h 55m
Thu 10/298:32 pm -
1 stop15h 04m
Deal found 10/6![Frontier logo]()
$156
This Priceline deal was found by Cheapflights users on 10/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
1 stop7h 04m
Wed 11/44:15 pm -
Nonstop2h 42m
Deal found 10/10![Multiple Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 10/6. 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.
Thu 11/511:09 am -
1 stop4h 01m
Thu 11/123:53 pm -
1 stop7h 43m
Deal found 10/6![Delta logo]()
$155
This Southwest deal was found by Cheapflights users on 10/8. 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 11/68:00 am -
Nonstop2h 20m
Mon 11/95:00 pm -
Nonstop2h 35m
Deal found 10/8![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 10/8. 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 11/68:00 am -
Nonstop2h 20m
Wed 11/115:00 pm -
1 stop4h 30m
Deal found 10/8![Southwest logo]()
$147
This Delta deal was found by Cheapflights users on 10/9. 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 11/75:09 pm -
1 stop5h 34m
Sat 11/141:49 pm -
1 stop5h 06m
Deal found 10/9![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 10/8. 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 11/75:09 pm -
1 stop5h 34m
Mon 11/95:13 pm -
1 stop6h 38m
Deal found 10/8![Delta logo]()
$152
This CheapOair deal was found by Cheapflights users on 10/7. 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.
Tue 11/1012:02 pm -
1 stop11h 55m
Thu 11/128:20 pm -
1 stop15h 16m
Deal found 10/7![Frontier logo]()
$143
This Southwest deal was found by Cheapflights users on 10/8. 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 11/131:45 pm -
1 stop7h 35m
Mon 11/162:55 pm -
1 stop6h 35m
Deal found 10/8![Southwest logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:02 pm -
1 stop11h 55m
Fri 11/208:50 am -
1 stop24h 42m
Deal found 10/7![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:27 am -
1 stop23h 59m
Tue 12/16:30 am -
1 stop9h 37m
Deal found 10/6![Frontier logo]()
$154
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:23 am -
1 stop20h 32m
Tue 12/16:30 am -
1 stop9h 37m
Deal found 10/8![Frontier logo]()
$150
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 October 11, 2026.
Search for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 1/209:00 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Alaska Airlines logo]()
$69
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:27 am -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$70
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:02 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$71
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:02 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$74
This Delta deal was found by Cheapflights users on 10/8. 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 1/201:00 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$75
This Frontier deal was found by Cheapflights users on 10/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:09 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$76
This Delta deal was found by Cheapflights users on 10/9. 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 12/76:20 am -
1 stop4h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Delta logo]()
$78
This Southwest deal was found by Cheapflights users on 10/8. 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 12/225:10 am -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 10/8. 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 11/1011:40 am -
2 stops7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:25 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 10/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:10 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$93
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 October 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Southwest) |
One-way from | $69 (Alaska Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $251 |
Good round-trip deal | $204 or less |
Good one-way deal | $126 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 7,457,451 searches. Data last updated October 11, 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 Portland - SAN San Diego
PDXSAN
Portland
Wed 12/9
7:59 pm-10:33 pm
Nonstop2h 34m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
Quickest round-trip
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Thu 11/12
3:35 pm-5:55 pm
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Thu 12/10
3:35 pm-5:55 pm
Nonstop2h 20m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Tue 11/10
3:04 pm-5:37 pm
Nonstop2h 33m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Fri 12/11
7:59 pm-10:33 pm
Nonstop2h 34m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Thu 1/7
5:45 pm-10:49 pm
1 stop5h 04m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$78
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Thu 12/31
5:30 am-10:23 am
1 stop4h 53m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$96
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Wed 1/20
9:10 am-11:40 am
Nonstop2h 30m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Sat 12/5
2:51 pm-5:24 pm
Nonstop2h 33m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$97
PortlandSan Diego
PDX Portland - SAN San Diego
PDXSAN
Portland
Mon 11/9
9:00 am-5:17 pm
2 stops8h 17m
San Diego
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
Showing 1-10 of 22 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 October.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| 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.
Cheapflights Insights
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, September is the cheapest month in which you can book a flight from Portland to San Diego (average of $221). Flying from Portland to San Diego in June is currently the most expensive (average of $369). 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 11, 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 morning, which can drop the price by up to 8% 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 October 3, 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 15% of weekly flights between Portland and San Diego have experienced delays in the past year, with the average delay time being 99 minutes.
What is the most punctual flight time for Portland to San Diego flights?
Historically, flights departing at night 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?
Tuesday 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 14% 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.
Salt Lake City (SLC) – chosen by Cheapflights users on 33% 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 October 11, 2026.
Read through reviews of airlines operating flights from Portland to San Diego, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
7.9
Boarding
8.1
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - 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
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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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 7,457,451 searches. Data last updated October 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$111 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$125 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$137 | Average$288 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$148 | Average$298 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$151 | Average$268 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$370 | FlexibilityNo cancel fee | On-time69% |