$178+ Cheap flights from San Diego to Portland, ME (SAN - PWM)
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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PWM
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Cheapest flights from San Diego to PortlandExplore the most affordable flight options available from San Diego to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from San Diego to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:22 pm
SAN
- PWM
1 stop24h 02m
Breeze Airways
Mon 11/23:53 pm
PWM
- SAN
2 stops23h 44m
Breeze Airways
Deal found 5/7![Breeze Airways logo]()
$406
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:40 pm
SAN
- PWM
1 stop8h 15m
Southwest
Tue 8/115:45 am
PWM
- SAN
1 stop8h 45m
Southwest
Deal found 5/6![Southwest logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:22 pm
SAN
- PWM
1 stop26h 54m
Breeze Airways
Wed 5/275:01 pm
PWM
- SAN
1 stop21h 23m
Breeze Airways
Deal found 5/8![Breeze Airways logo]()
$422
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 8/39:59 pm
SAN
- PWM
1 stop24h 00m
Delta
Tue 8/116:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/6![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 8/41:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Tue 8/116:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/8![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 5/9. 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.
Wed 8/51:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Thu 8/136:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/9![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 5/9. 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.
Wed 8/56:15 am
SAN
- PWM
2 stops15h 44m
Delta
Sat 8/156:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/9![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 5/9. 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.
Tue 7/289:59 pm
SAN
- PWM
1 stop24h 00m
Delta
Tue 8/46:00 am
PWM
- SAN
2 stops14h 04m
Delta
Deal found 5/9![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 5/9. 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.
Thu 8/61:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Thu 8/136:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/9![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 5/6. 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.
Wed 8/59:59 pm
SAN
- PWM
1 stop24h 00m
Delta
Wed 8/126:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/6![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 8/79:59 pm
SAN
- PWM
1 stop24h 00m
Delta
Sat 8/156:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/9![Delta logo]()
$448
Best flights from San Diego to PortlandDiscover carefully curated flight deals from San Diego to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from San Diego to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 8/39:59 pm
SAN
- PWM
1 stop24h 00m
Delta
Tue 8/116:05 am
PWM
- SAN
1 stop8h 02m
Delta
Deal found 5/6![Delta logo]()
$426
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:20 pm
SAN
- PWM
1 stop8h 03m
United Airlines
Sat 10/35:15 am
PWM
- SAN
1 stop9h 02m
United Airlines
Deal found 5/10![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 5/10. 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.
Sat 9/267:35 am
SAN
- PWM
1 stop10h 25m
Southwest
Sat 10/35:40 am
PWM
- SAN
2 stops12h 10m
Southwest
Deal found 5/10![Southwest logo]()
$448
This Delta deal was found by Cheapflights users on 5/7. 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 10/176:15 am
SAN
- PWM
1 stop6h 55m
Delta
Tue 11/311:25 am
PWM
- SAN
2 stops11h 53m
Delta
Deal found 5/7![Delta logo]()
$469
This Southwest deal was found by Cheapflights users on 5/7. 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.
Mon 7/139:40 pm
SAN
- PWM
1 stop9h 15m
Southwest
Fri 7/175:35 am
PWM
- SAN
1 stop14h 45m
Southwest
Deal found 5/7![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 8/116:15 am
SAN
- PWM
2 stops14h 05m
Delta
Fri 8/146:05 am
PWM
- SAN
2 stops12h 51m
Delta
Deal found 5/8![Delta logo]()
$473
This Southwest deal was found by Cheapflights users on 5/8. 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 6/1211:15 am
SAN
- PWM
1 stop9h 50m
Southwest
Sat 6/205:35 am
PWM
- SAN
2 stops11h 15m
Southwest
Deal found 5/8![Southwest logo]()
$512
This Delta deal was found by Cheapflights users on 5/7. 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 10/176:15 am
SAN
- PWM
2 stops13h 08m
Delta
Sun 11/112:50 pm
PWM
- SAN
2 stops11h 51m
Delta
Deal found 5/7![Delta logo]()
$474
This Southwest deal was found by Cheapflights users on 5/10. 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.
Sun 8/308:55 pm
SAN
- PWM
2 stops9h 55m
Southwest
Sun 9/135:15 pm
PWM
- SAN
1 stop8h 50m
Southwest
Deal found 5/10![Southwest logo]()
$514
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 10/199:40 pm
SAN
- PWM
2 stops12h 42m
Delta
Mon 11/212:50 pm
PWM
- SAN
2 stops13h 05m
Delta
Deal found 5/7![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 6/110:25 pm
SAN
- PWM
2 stops12h 33m
Delta
Sun 6/712:40 pm
PWM
- SAN
1 stop8h 41m
Delta
Deal found 5/7![Delta logo]()
$495
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 10/156:20 am
SAN
- PWM
2 stops14h 29m
Delta
Mon 11/210:00 am
PWM
- SAN
2 stops13h 18m
Delta
Deal found 5/7![Delta logo]()
$503
Last-minute flights from San Diego to PortlandDiscover last-minute flight deals from San Diego to Portland. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portland. Data last updated May 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:22 pm
SAN
- PWM
1 stop26h 54m
Breeze Airways
Wed 5/275:01 pm
PWM
- SAN
1 stop21h 23m
Breeze Airways
Deal found 5/8![Breeze Airways logo]()
$422
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:15 am
SAN
- PWM
1 stop9h 14m
American Airlines
Mon 6/15:36 pm
PWM
- SAN
1 stop9h 23m
American Airlines
Deal found 5/7![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 5/291:10 pm
SAN
- PWM
1 stop8h 33m
Delta
Mon 6/112:50 pm
PWM
- SAN
2 stops13h 53m
Delta
Deal found 5/7![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:41 pm
SAN
- PWM
2 stops10h 42m
United Airlines
Sat 5/303:32 pm
PWM
- SAN
1 stop8h 14m
United Airlines
Deal found 5/9![United Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 5/2910:59 am
SAN
- PWM
2 stops10h 44m
Delta
Sat 5/302:38 pm
PWM
- SAN
2 stops11h 37m
Delta
Deal found 5/9![Delta logo]()
$475
This Delta deal was found by Cheapflights users on 5/9. 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 6/61:10 pm
SAN
- PWM
1 stop8h 33m
Delta
Sat 6/132:59 pm
PWM
- SAN
1 stop11h 40m
Delta
Deal found 5/9![Delta logo]()
$465
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/810:45 pm
SAN
- PWM
1 stop9h 44m
American Airlines
Mon 6/153:05 pm
PWM
- SAN
1 stop8h 48m
American Airlines
Deal found 5/11![American Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 5/11. 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 6/87:10 pm
SAN
- PWM
2 stops12h 33m
Delta
Mon 6/152:59 pm
PWM
- SAN
1 stop11h 40m
Delta
Deal found 5/11![Delta logo]()
$486
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 pm
SAN
- PWM
1 stop9h 19m
United Airlines
Tue 6/165:00 pm
PWM
- SAN
1 stop8h 39m
United Airlines
Deal found 5/10![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 5/10. 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 6/99:40 pm
SAN
- PWM
1 stop9h 15m
Southwest
Tue 6/163:45 pm
PWM
- SAN
2 stops10h 35m
Southwest
Deal found 5/10![Southwest logo]()
$424
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:56 pm
SAN
- PWM
2 stops11h 47m
Delta
Tue 6/1611:48 am
PWM
- SAN
2 stops13h 50m
Delta
Deal found 5/10![Delta logo]()
$429
One-way flights from San Diego to PortlandSearch for one-way flight options from San Diego to Portland. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from San Diego to Portland. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
SAN
- PWM
2 stops30h 51m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$178
This Delta deal was found by Cheapflights users on 5/9. 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.
Tue 6/21:10 pm
SAN
- PWM
1 stop8h 33m
Delta
Deal found 5/9![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:30 pm
SAN
- PWM
1 stop7h 41m
United Airlines
Deal found 5/7![United Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:54 pm
SAN
- PWM
1 stop24h 22m
Breeze Airways
Deal found 5/7![Breeze Airways logo]()
$213
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:41 am
SAN
- PWM
2 stops9h 56m
American Airlines
Deal found 5/9![American Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 5/11. 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 6/109:51 am
SAN
- PWM
2 stops9h 55m
American Airlines
Deal found 5/11![American Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 5/7. 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.
Mon 6/110:15 pm
SAN
- PWM
2 stops12h 43m
Delta
Deal found 5/7![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 5/11. 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 7/116:15 am
SAN
- PWM
2 stops13h 59m
Delta
Deal found 5/11![Delta logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:29 pm
SAN
- PWM
2 stops34h 58m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$232
Find flight deals from San Diego to Portland
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Portland (PWM). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $406 (Kiwi.com) |
One-way from | $178 (Kiwi.com) |
Popular in | April |
Cheapest in | October |
Average price | $592 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Portland 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 11, 2026.
Use the filters below to find and compare flights from San Diego to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 8/3
9:59 pm-12:59 am
1 stop24h 00m
Portland
Tue 8/11
6:05 am-11:07 am
1 stop8h 02m
$426
Quickest round-trip
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 9/26
10:20 pm-9:23 am
1 stop8h 03m
Portland
Sat 10/3
5:15 am-11:17 am
1 stop9h 02m
$443
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 9/26
7:35 am-9:00 pm
1 stop10h 25m
Portland
Sat 10/3
5:40 am-2:50 pm
2 stops12h 10m
$448
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 10/17
6:15 am-4:10 pm
1 stop6h 55m
Portland
Tue 11/3
11:25 am-8:18 pm
2 stops11h 53m
$469
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 8/11
6:15 am-11:20 pm
2 stops14h 05m
Portland
Fri 8/14
6:05 am-3:56 pm
2 stops12h 51m
$473
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 10/17
6:15 am-10:23 pm
2 stops13h 08m
Portland
Sun 11/1
12:50 pm-9:41 pm
2 stops11h 51m
$474
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 10/19
9:40 pm-1:22 pm
2 stops12h 42m
Portland
Mon 11/2
12:50 pm-10:55 pm
2 stops13h 05m
$474
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 7/13
9:40 pm-9:55 am
1 stop9h 15m
Portland
Fri 7/17
5:35 am-5:20 pm
1 stop14h 45m
$492
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 6/1
10:25 pm-1:58 pm
2 stops12h 33m
Portland
Sun 6/7
12:40 pm-6:21 pm
1 stop8h 41m
$495
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Thu 10/15
6:20 am-11:49 pm
2 stops14h 29m
Portland
Mon 11/2
10:00 am-8:18 pm
2 stops13h 18m
$503
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Diego to Portland
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 San Diego to Portland in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Portland, Maine 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 San Diego-Portland, Maine 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 San Diego to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from San Diego with our price prediction graph.
SAN-PWM
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 San Diego to Portland
How far ahead should I book a flight from San Diego to Portland, Maine?
To ensure you get the cheapest price possible for a flight from San Diego to Portland, Maine, you should look to book at least 70 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.
How much does it cost to fly round-trip from San Diego to Portland, Maine?
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated May 11, 2026.
Read through reviews of airlines operating flights from San Diego to Portland, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Diego to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Brunswick
Lewiston
Conway
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San Diego and Portland flights
Browse other San Diego and Portland flight options. Last updated on May 11, 2026.
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Top 4 airlines flying from San Diego to Portland
Discover the top 4 airlines that operate flights from San Diego to Portland. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$506 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$378 | Average$632 | FlexibilityNo cancel fee | On-time69% |