$160+ Cheap flights from Portland, ME to San Diego (PWM - 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
Sep 17 — Sep 241
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.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 August 18, 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 August 18, 2026.
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:48 pm -
1 stop9h 27m
Sat 11/1410:40 pm -
1 stop10h 19m
Deal found 8/13![American Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/13. 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 11/46:01 am -
1 stop8h 12m
Sat 11/1410:30 pm -
2 stops10h 38m
Deal found 8/13![Delta logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:45 pm -
1 stop8h 48m
Mon 10/1910:40 pm -
1 stop10h 31m
Deal found 8/13![American Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/25:15 am -
1 stop9h 02m
Sat 9/59:45 pm -
1 stop9h 19m
Deal found 8/13![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 pm -
1 stop8h 48m
Sat 10/1011:58 am -
1 stop7h 38m
Deal found 8/14![American Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/13. 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 9/212:47 pm -
2 stops14h 07m
Sat 9/56:15 am -
2 stops12h 16m
Deal found 8/13![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 8/17. 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 11/105:15 am -
2 stops10h 20m
Sat 11/149:05 am -
2 stops9h 45m
Deal found 8/17![Southwest logo]()
$367
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/25:08 pm -
1 stop8h 33m
Tue 10/69:20 pm -
1 stop8h 48m
Deal found 8/17![United Airlines logo]()
$374
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 August 18, 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 August 18, 2026.
This Delta deal was found by Cheapflights users on 8/15. 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 11/412:42 pm -
2 stops13h 01m
Sat 11/1410:30 pm -
2 stops10h 38m
Deal found 8/15![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 8/13. 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 10/155:30 pm -
1 stop9h 40m
Mon 10/1911:20 am -
2 stops9h 35m
Deal found 8/13![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 8/14. 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 10/214:47 pm -
2 stops10h 08m
Mon 10/2610:00 pm -
2 stops12h 12m
Deal found 8/14![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 8/17. 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 10/24:20 pm -
1 stop10h 14m
Mon 10/57:53 pm -
2 stops13h 04m
Deal found 8/17![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/18. 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 10/214:05 pm -
1 stop8h 20m
Sun 10/256:30 am -
2 stops13h 30m
Deal found 8/18![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 8/17. 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 10/24:20 pm -
2 stops10h 27m
Tue 10/66:15 am -
2 stops14h 20m
Deal found 8/17![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 8/14. 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 10/223:25 pm -
2 stops10h 15m
Sun 10/2510:40 pm -
2 stops10h 45m
Deal found 8/14![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 8/18. 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 10/231:05 pm -
1 stop11h 00m
Sun 10/2510:40 pm -
2 stops10h 45m
Deal found 8/18![Southwest logo]()
$449
This Delta deal was found by Cheapflights users on 8/15. 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 10/234:15 pm -
1 stop10h 31m
Sun 10/2510:00 pm -
2 stops12h 02m
Deal found 8/15![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 8/18. 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 10/209:20 am -
2 stops10h 55m
Sat 10/2410:40 pm -
2 stops10h 50m
Deal found 8/18![Southwest logo]()
$459
Last-minute flights from Portland to San DiegoDiscover last-minute flight deals from Portland to San Diego. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Diego. Data last updated August 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/25:15 am -
1 stop9h 02m
Sat 9/59:45 pm -
1 stop9h 19m
Deal found 8/13![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/13. 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 9/212:47 pm -
2 stops14h 07m
Sat 9/56:15 am -
2 stops12h 16m
Deal found 8/13![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/154:57 pm -
1 stop8h 13m
Tue 9/2910:40 am -
2 stops10h 19m
Deal found 8/17![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/17. 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 9/154:45 pm -
2 stops10h 02m
Tue 9/296:15 am -
2 stops14h 13m
Deal found 8/17![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:38 pm -
1 stop8h 47m
Sat 9/1910:04 am -
1 stop10h 43m
Deal found 8/14![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/196:00 am -
2 stops10h 44m
Sat 9/2610:20 pm -
1 stop7h 48m
Deal found 8/17![United Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 8/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:38 pm -
1 stop8h 47m
Tue 9/2910:04 am -
1 stop10h 43m
Deal found 8/18![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 8/18. 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 9/254:20 pm -
2 stops10h 27m
Tue 9/296:20 am -
2 stops14h 36m
Deal found 8/18![Delta logo]()
$385
This American Airlines deal was found by Cheapflights users on 8/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:38 pm -
1 stop8h 47m
Sun 10/410:51 pm -
1 stop10h 40m
Deal found 8/15![American Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 8/17. 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 9/305:45 am -
2 stops10h 15m
Fri 10/2311:20 am -
2 stops9h 35m
Deal found 8/17![Southwest logo]()
$384
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 August 18, 2026.
Search for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Delta deal was found by Cheapflights users on 8/13. 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 9/94:20 pm -
1 stop10h 14m
Deal found 8/13![Delta logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/307:00 am -
2 stops19h 51m
Deal found 8/16![Multiple Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/66:00 am -
1 stop8h 25m
Deal found 8/17![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Sat 9/56:00 am -
2 stops11h 57m
Deal found 8/16![United Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 8/18. 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 11/132:15 pm -
1 stop10h 03m
Deal found 8/18![Delta logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/97:00 am -
3 stops29h 43m
Deal found 8/13![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 8/295:01 pm -
1 stop21h 23m
Deal found 8/15![Breeze Airways logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 8/247:00 am -
1 stop31h 39m
Deal found 8/13![Breeze Airways logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 11/133:53 pm -
3 stops35h 06m
Deal found 8/18![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 10/23:53 pm -
3 stops34h 58m
Deal found 8/15![Multiple Airlines logo]()
$221
Find flight deals from Portland to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (American Airlines) |
One-way from | $160 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $486 |
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 August 18, 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
PWM Portland - SAN San Diego
PWMSAN
Portland
Wed 11/4
12:42 pm-10:43 pm
2 stops13h 01m
San Diego
Sat 11/14
10:30 pm-12:08 pm
2 stops10h 38m
$368
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Wed 10/21
4:47 pm-11:55 pm
2 stops10h 08m
San Diego
Mon 10/26
10:00 pm-1:12 pm
2 stops12h 12m
$368
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Fri 10/2
4:20 pm-11:34 pm
1 stop10h 14m
San Diego
Mon 10/5
7:53 pm-11:57 am
2 stops13h 04m
$379
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Fri 10/2
4:20 pm-11:47 pm
2 stops10h 27m
San Diego
Tue 10/6
6:15 am-11:35 pm
2 stops14h 20m
$385
Quickest round-trip
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Thu 10/15
5:30 pm-12:10 am
1 stop9h 40m
San Diego
Mon 10/19
11:20 am-11:55 pm
2 stops9h 35m
$406
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Wed 10/21
4:05 pm-9:25 pm
1 stop8h 20m
San Diego
Sun 10/25
6:30 am-11:00 pm
2 stops13h 30m
$432
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Thu 10/22
3:25 pm-10:40 pm
2 stops10h 15m
San Diego
Sun 10/25
10:40 pm-12:25 pm
2 stops10h 45m
$437
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Fri 10/23
1:05 pm-9:05 pm
1 stop11h 00m
San Diego
Sun 10/25
10:40 pm-12:25 pm
2 stops10h 45m
$449
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Fri 10/23
4:15 pm-11:46 pm
1 stop10h 31m
San Diego
Sun 10/25
10:00 pm-1:02 pm
2 stops12h 02m
$449
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Tue 10/20
9:20 am-5:15 pm
2 stops10h 55m
San Diego
Sat 10/24
10:40 pm-12:30 pm
2 stops10h 50m
$459
Showing 1-10 of 18 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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, Maine-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, Maine-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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.
PWM-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
How far ahead should I book a flight from Portland, Maine to San Diego?
To ensure you get the cheapest price possible for a flight from Portland, Maine to San Diego, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Portland, Maine to San Diego?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Diego (average of $421). Flying from Portland, Maine to San Diego in March is currently the most expensive (average of $687). 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.
How much does it cost to fly round-trip from Portland, Maine to San Diego?
Airfare is below average for this route at the moment.
Portland, Maine to San Diego flights typically cost between $414 and $822 in October.The cheapest round-trip price found within the last 5 days was $357 on American Airlines (Oct 6-Oct 10).
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 August 18, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Portland to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
Top 4 airlines flying from Portland to San Diego
Discover the top 4 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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$311 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$325 | Average$486 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$358 | Average$519 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$556 | FlexibilityNo cancel fee | On-time71% |