$213+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
Jun 26 — Jul 31
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
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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 May 27, 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 May 27, 2026.
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:32 pm
PWM
- SAN
1 stop8h 05m
American Airlines
Wed 8/56:19 am
SAN
- PWM
1 stop9h 34m
American Airlines
Deal found 5/25![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 5/25. 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 7/2912:40 pm
PWM
- SAN
1 stop8h 34m
Delta
Wed 8/56:15 am
SAN
- PWM
2 stops15h 44m
Delta
Deal found 5/25![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am
PWM
- SAN
1 stop9h 30m
Delta
Mon 9/2112:42 pm
SAN
- PWM
1 stop7h 43m
Delta
Deal found 5/26![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 5/23. 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.
Wed 7/13:45 pm
PWM
- SAN
1 stop10h 40m
Southwest
Wed 7/811:45 am
SAN
- PWM
1 stop8h 15m
Southwest
Deal found 5/23![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 7/812:40 pm
PWM
- SAN
1 stop8h 34m
Delta
Wed 7/227:58 pm
SAN
- PWM
2 stops11h 44m
Delta
Deal found 5/23![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:30 am
PWM
- SAN
1 stop8h 36m
American Airlines
Thu 8/276:15 am
SAN
- PWM
1 stop8h 51m
American Airlines
Deal found 5/25![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:59 pm
PWM
- SAN
2 stops11h 51m
Delta
Wed 7/2211:37 am
SAN
- PWM
2 stops10h 22m
Delta
Deal found 5/24![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 5/25. 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.
Mon 9/144:45 pm
PWM
- SAN
1 stop8h 08m
Delta
Sat 9/199:46 am
SAN
- PWM
2 stops11h 13m
Delta
Deal found 5/25![Delta logo]()
$430
This Southwest deal was found by Cheapflights users on 5/23. 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.
Wed 9/1610:30 am
PWM
- SAN
1 stop8h 45m
Southwest
Mon 9/2111:05 am
SAN
- PWM
1 stop7h 25m
Southwest
Deal found 5/23![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 5/25. 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 7/282:59 pm
PWM
- SAN
2 stops11h 51m
Delta
Tue 8/41:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Deal found 5/25![Delta logo]()
$434
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 May 27, 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 May 27, 2026.
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am
PWM
- SAN
1 stop9h 30m
Delta
Mon 9/2112:42 pm
SAN
- PWM
1 stop7h 43m
Delta
Deal found 5/26![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 5/27. 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 10/2210:30 am
PWM
- SAN
2 stops9h 20m
Southwest
Thu 10/2910:40 pm
SAN
- PWM
2 stops10h 25m
Southwest
Deal found 5/27![Southwest logo]()
$435
This American Airlines deal was found by Cheapflights users on 5/22. 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 8/126:00 am
PWM
- SAN
2 stops10h 07m
American Airlines
Wed 8/1910:45 pm
SAN
- PWM
2 stops10h 55m
American Airlines
Deal found 5/22![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 5/26. 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 10/2711:17 am
PWM
- SAN
1 stop10h 36m
United Airlines
Wed 10/2810:51 am
SAN
- PWM
1 stop7h 36m
United Airlines
Deal found 5/26![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 5/23. 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.
Wed 7/112:40 pm
PWM
- SAN
2 stops13h 20m
Delta
Wed 7/81:05 pm
SAN
- PWM
1 stop8h 54m
Delta
Deal found 5/23![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 5/25. 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.
Sat 8/223:40 pm
PWM
- SAN
1 stop7h 40m
Southwest
Thu 8/2711:45 am
SAN
- PWM
1 stop7h 40m
Southwest
Deal found 5/25![Southwest logo]()
$443
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:00 am
PWM
- SAN
1 stop10h 08m
Delta
Wed 7/226:15 am
SAN
- PWM
2 stops13h 59m
Delta
Deal found 5/24![Delta logo]()
$458
Last-minute flights from Portland to San DiegoDiscover last-minute flight deals from Portland to San Diego. Data last updated May 27, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Diego. Data last updated May 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/25. 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 6/166:00 am
PWM
- SAN
1 stop8h 37m
Delta
Fri 6/191:05 pm
SAN
- PWM
1 stop8h 47m
Delta
Deal found 5/25![Delta logo]()
$489
This Southwest deal was found by Cheapflights users on 5/25. 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.
Tue 6/163:45 pm
PWM
- SAN
1 stop10h 40m
Southwest
Fri 6/1912:10 pm
SAN
- PWM
2 stops8h 55m
Southwest
Deal found 5/25![Southwest logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Thu 6/183:11 pm
PWM
- SAN
1 stop23h 37m
Breeze Airways
Mon 6/2212:33 pm
SAN
- PWM
1 stop22h 58m
Breeze Airways
Deal found 5/23![Breeze Airways logo]()
$595
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:05 pm
PWM
- SAN
2 stops9h 29m
American Airlines
Mon 6/291:19 pm
SAN
- PWM
1 stop8h 23m
American Airlines
Deal found 5/25![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 5/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:36 pm
PWM
- SAN
1 stop9h 23m
American Airlines
Tue 6/3010:45 pm
SAN
- PWM
2 stops10h 54m
American Airlines
Deal found 5/24![American Airlines logo]()
$571
This Southwest deal was found by Cheapflights users on 5/24. 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.
Wed 6/2410:30 am
PWM
- SAN
2 stops12h 05m
Southwest
Tue 6/3010:50 am
SAN
- PWM
2 stops9h 05m
Southwest
Deal found 5/24![Southwest logo]()
$580
This Southwest deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:00 pm
PWM
- SAN
1 stop12h 25m
Southwest
Sun 6/289:40 pm
SAN
- PWM
1 stop9h 05m
Southwest
Deal found 5/24![Southwest logo]()
$589
This Southwest deal was found by Cheapflights users on 5/24. 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 6/263:10 pm
PWM
- SAN
2 stops10h 15m
Southwest
Sun 6/289:40 pm
SAN
- PWM
1 stop9h 05m
Southwest
Deal found 5/24![Southwest logo]()
$601
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:59 pm
PWM
- SAN
1 stop11h 40m
Delta
Mon 6/291:05 pm
SAN
- PWM
1 stop8h 47m
Delta
Deal found 5/26![Delta logo]()
$551
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:25 am
PWM
- SAN
2 stops11h 55m
Southwest
Mon 6/2910:35 am
SAN
- PWM
2 stops10h 30m
Southwest
Deal found 5/26![Southwest logo]()
$605
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 May 27, 2026.
Search for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:53 pm
PWM
- SAN
1 stop11h 50m
Delta
Deal found 5/26![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:45 pm
PWM
- SAN
2 stops10h 15m
Southwest
Deal found 5/26![Southwest logo]()
$215
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:32 pm
PWM
- SAN
1 stop8h 05m
American Airlines
Deal found 5/26![American Airlines logo]()
$228
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:05 am
PWM
- SAN
1 stop9h 28m
Delta
Deal found 5/26![Delta logo]()
$244
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:30 pm
PWM
- SAN
2 stops10h 33m
American Airlines
Deal found 5/26![American Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 8/216:29 pm
PWM
- SAN
3 stops32h 20m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
PWM
- SAN
1 stop8h 32m
Delta
Deal found 5/24![Delta logo]()
$270
This American Airlines deal was found by Cheapflights users on 5/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:00 am
PWM
- SAN
2 stops10h 26m
American Airlines
Deal found 5/23![American Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 5/24. 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.
Sat 8/15:35 am
PWM
- SAN
2 stops17h 00m
Southwest
Deal found 5/24![Southwest logo]()
$277
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 May 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $399 (American Airlines) |
One-way from | $213 (Delta) |
Popular in | July |
Cheapest in | September |
Average price | $527 |
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 May 27, 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 - SAN
PWMSAN
Portland
Wed 9/16
6:05 am-12:35 pm
1 stop9h 30m
San Diego
Mon 9/21
12:42 pm-11:25 pm
1 stop7h 43m
$412
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Wed 7/1
12:40 pm-11:00 pm
2 stops13h 20m
San Diego
Wed 7/8
1:05 pm-12:59 am
1 stop8h 54m
$424
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Thu 10/22
10:30 am-4:50 pm
2 stops9h 20m
San Diego
Thu 10/29
10:40 pm-12:05 pm
2 stops10h 25m
$435
Quickest round-trip
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Sat 8/22
3:40 pm-8:20 pm
1 stop7h 40m
San Diego
Thu 8/27
11:45 am-10:25 pm
1 stop7h 40m
$443
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Thu 7/9
6:00 am-1:08 pm
1 stop10h 08m
San Diego
Wed 7/22
6:15 am-11:14 pm
2 stops13h 59m
$458
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Wed 8/12
6:00 am-1:07 pm
2 stops10h 07m
San Diego
Wed 8/19
10:45 pm-12:40 pm
2 stops10h 55m
$467
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Tue 10/27
11:17 am-6:53 pm
1 stop10h 36m
San Diego
Wed 10/28
10:51 am-9:27 pm
1 stop7h 36m
$509
Cheapest one-way
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Sat 8/22
6:05 am-12:33 pm
1 stop9h 28m
$213
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Thu 8/20
2:53 pm-11:43 pm
1 stop11h 50m
$213
Quickest one-way
PortlandSan Diego
PWM - SAN
PWMSAN
Portland
Wed 7/8
5:32 pm-10:37 pm
1 stop8h 05m
$228
Showing 1-10 of 13 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 May.
| 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 83 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, September is the cheapest month in which you can book a flight from Portland, Maine to San Diego (average of $382). Flying from Portland, Maine to San Diego in July is currently the most expensive (average of $955). 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?
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 May 27, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
7.9
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
Poway
La Mesa
Julian
Santee
Lemon Grove
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Alternative routes for Portland to San Diego
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Portland and San Diego flights
Browse other Portland and San Diego flight options. Last updated on May 27, 2026.
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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 May 27, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 27, 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 May 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$311 | Average$480 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$502 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$325 | Average$486 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$365 | Average$530 | FlexibilityNo cancel fee | On-time69% |