$164+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PWM
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Portland with Cheapflights
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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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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 June 7, 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 June 7, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/79:05 pm
SAN
- PWM
1 stop9h 06m
United Airlines
Tue 7/146:00 am
PWM
- SAN
1 stop8h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/211:07 pm
SAN
- PWM
1 stop8h 36m
American Airlines
Tue 7/282:25 pm
PWM
- SAN
1 stop10h 20m
American Airlines
Deal found 6/4![American Airlines logo]()
$371
This Delta deal was found by Cheapflights users on 6/5. 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 9/107:30 pm
SAN
- PWM
2 stops12h 19m
Delta
Mon 9/146:05 am
PWM
- SAN
1 stop9h 30m
Delta
Deal found 6/5![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/151:07 pm
SAN
- PWM
1 stop8h 36m
American Airlines
Tue 7/215:33 pm
PWM
- SAN
1 stop9h 26m
American Airlines
Deal found 6/4![American Airlines logo]()
$378
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:51 am
SAN
- PWM
1 stop9h 25m
JetBlue
Tue 8/41:25 pm
PWM
- SAN
1 stop8h 36m
JetBlue
Deal found 6/6![JetBlue logo]()
$382
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:51 am
SAN
- PWM
1 stop9h 23m
JetBlue
Sun 9/61:17 pm
PWM
- SAN
1 stop8h 43m
JetBlue
Deal found 6/5![JetBlue logo]()
$385
This Delta deal was found by Cheapflights users on 6/4. 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 9/26:15 am
SAN
- PWM
2 stops15h 44m
Delta
Tue 9/86:00 am
PWM
- SAN
2 stops12h 21m
Delta
Deal found 6/4![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/5. 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 9/109:20 am
SAN
- PWM
1 stop9h 35m
American Airlines
Mon 9/145:24 pm
PWM
- SAN
1 stop9h 01m
American Airlines
Deal found 6/5![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/7. 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 8/276:15 am
SAN
- PWM
2 stops13h 58m
Delta
Sun 9/66:00 am
PWM
- SAN
1 stop8h 38m
Delta
Deal found 6/7![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/512:57 pm
SAN
- PWM
1 stop7h 54m
United Airlines
Tue 8/117:35 am
PWM
- SAN
1 stop10h 27m
United Airlines
Deal found 6/6![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 6/5. 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 7/146:20 am
SAN
- PWM
1 stop12h 15m
Southwest
Tue 7/215:30 am
PWM
- SAN
2 stops11h 45m
Southwest
Deal found 6/5![Southwest logo]()
$404
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 June 7, 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 June 7, 2026.
This Delta deal was found by Cheapflights users on 6/2. 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 9/36:15 am
SAN
- PWM
2 stops13h 58m
Delta
Tue 9/86:30 am
PWM
- SAN
1 stop8h 32m
Delta
Deal found 6/2![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 6/2. 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 7/610:40 pm
SAN
- PWM
2 stops10h 45m
Southwest
Tue 7/145:30 am
PWM
- SAN
1 stop8h 40m
Southwest
Deal found 6/2![Southwest logo]()
$458
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 9/236:30 am
SAN
- PWM
2 stops14h 02m
United Airlines
Sat 9/265:15 am
PWM
- SAN
1 stop9h 10m
United Airlines
Deal found 6/6![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/4. 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 11/1310:30 pm
SAN
- PWM
2 stops11h 52m
Delta
Tue 11/176:00 am
PWM
- SAN
1 stop10h 08m
Delta
Deal found 6/4![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 6/2. 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 7/39:45 pm
SAN
- PWM
2 stops10h 10m
Southwest
Wed 7/83:45 pm
PWM
- SAN
2 stops10h 15m
Southwest
Deal found 6/2![Southwest logo]()
$493
This Delta deal was found by Cheapflights users on 6/3. 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 8/276:15 am
SAN
- PWM
2 stops13h 58m
Delta
Sun 9/66:05 am
PWM
- SAN
1 stop8h 15m
Delta
Deal found 6/3![Delta logo]()
$472
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 7/236:40 am
SAN
- PWM
1 stop14h 30m
Southwest
Fri 7/315:35 am
PWM
- SAN
1 stop9h 10m
Southwest
Deal found 6/6![Southwest logo]()
$502
This Delta deal was found by Cheapflights users on 6/5. 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 10/127:30 pm
SAN
- PWM
2 stops13h 48m
Delta
Sun 10/186:00 am
PWM
- SAN
2 stops13h 06m
Delta
Deal found 6/5![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/3. 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 11/2010:10 pm
SAN
- PWM
1 stop8h 20m
Delta
Sat 11/281:35 pm
PWM
- SAN
1 stop9h 43m
Delta
Deal found 6/3![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/4. 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 7/228:00 am
SAN
- PWM
2 stops13h 59m
Delta
Fri 7/314:52 pm
PWM
- SAN
1 stop8h 09m
Delta
Deal found 6/4![Delta logo]()
$522
Last-minute flights from San Diego to PortlandDiscover last-minute flight deals from San Diego to Portland. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portland. Data last updated June 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/79:05 pm
SAN
- PWM
1 stop9h 06m
United Airlines
Tue 7/146:00 am
PWM
- SAN
1 stop8h 21m
United Airlines
Deal found 6/5![United Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/79:41 am
SAN
- PWM
2 stops9h 55m
American Airlines
Tue 7/145:33 pm
PWM
- SAN
1 stop9h 26m
American Airlines
Deal found 6/5![American Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 6/5. 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 7/81:07 pm
SAN
- PWM
1 stop8h 36m
American Airlines
Tue 7/1410:56 am
PWM
- SAN
2 stops10h 22m
American Airlines
Deal found 6/5![American Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 6/5. 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 7/147:50 am
SAN
- PWM
2 stops10h 45m
Southwest
Tue 7/215:30 am
PWM
- SAN
2 stops11h 45m
Southwest
Deal found 6/5![Southwest logo]()
$403
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:45 pm
SAN
- PWM
1 stop10h 00m
American Airlines
Tue 7/212:56 pm
PWM
- SAN
1 stop8h 54m
American Airlines
Deal found 6/6![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/151:07 pm
SAN
- PWM
1 stop8h 36m
American Airlines
Tue 7/215:33 pm
PWM
- SAN
1 stop9h 26m
American Airlines
Deal found 6/4![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/211:07 pm
SAN
- PWM
1 stop8h 36m
American Airlines
Tue 7/282:25 pm
PWM
- SAN
1 stop10h 20m
American Airlines
Deal found 6/4![American Airlines logo]()
$371
This JetBlue deal was found by Cheapflights users on 6/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:51 am
SAN
- PWM
1 stop9h 25m
JetBlue
Tue 8/41:25 pm
PWM
- SAN
1 stop8h 36m
JetBlue
Deal found 6/6![JetBlue logo]()
$382
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 June 7, 2026.
Search for one-way flight options from San Diego to Portland. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:51 am
SAN
- PWM
1 stop9h 25m
JetBlue
Deal found 6/5![JetBlue logo]()
$164
This Delta deal was found by Cheapflights users on 6/6. 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.
Sat 7/111:00 pm
SAN
- PWM
1 stop8h 59m
Delta
Deal found 6/6![Delta logo]()
$184
This Delta deal was found by Cheapflights users on 6/5. 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 8/267:59 pm
SAN
- PWM
2 stops11h 46m
Delta
Deal found 6/5![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/2712:24 pm
SAN
- PWM
1 stop31h 14m
Breeze Airways
Deal found 6/5![Breeze Airways logo]()
$190
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:50 am
SAN
- PWM
1 stop7h 20m
Southwest
Deal found 6/3![Southwest logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:24 pm
SAN
- PWM
1 stop31h 14m
Breeze Airways
Deal found 6/5![Breeze Airways logo]()
$212
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:41 am
SAN
- PWM
2 stops9h 55m
American Airlines
Deal found 6/6![American Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 6/3. 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 7/86:15 am
SAN
- PWM
2 stops15h 44m
Delta
Deal found 6/3![Delta logo]()
$215
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Sat 8/2210:57 am
SAN
- PWM
2 stops9h 40m
American Airlines
Deal found 6/7![American Airlines logo]()
$222
This American Airlines deal was found by Cheapflights users on 6/3. 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 7/79:41 am
SAN
- PWM
2 stops9h 55m
American Airlines
Deal found 6/3![American Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 6/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:45 pm
SAN
- PWM
2 stops10h 49m
American Airlines
Deal found 6/6![American Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/4. 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 8/299:45 pm
SAN
- PWM
1 stop9h 19m
United Airlines
Deal found 6/4![United Airlines logo]()
$239
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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $367 (United Airlines) |
One-way from | $164 (JetBlue) |
Popular in | April |
Cheapest in | October |
Average price | $593 |
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 June 7, 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
Thu 9/3
6:15 am-11:13 pm
2 stops13h 58m
Portland
Tue 9/8
6:30 am-12:02 pm
1 stop8h 32m
$458
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 7/6
10:40 pm-12:25 pm
2 stops10h 45m
Portland
Tue 7/14
5:30 am-11:10 am
1 stop8h 40m
$458
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 11/13
10:30 pm-1:22 pm
2 stops11h 52m
Portland
Tue 11/17
6:00 am-1:08 pm
1 stop10h 08m
$458
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Thu 8/27
6:15 am-11:13 pm
2 stops13h 58m
Portland
Sun 9/6
6:05 am-11:20 am
1 stop8h 15m
$472
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Wed 9/23
6:30 am-11:32 pm
2 stops14h 02m
Portland
Sat 9/26
5:15 am-11:25 am
1 stop9h 10m
$482
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 10/12
7:30 pm-12:18 pm
2 stops13h 48m
Portland
Sun 10/18
6:00 am-4:06 pm
2 stops13h 06m
$487
Quickest round-trip
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 11/20
10:10 pm-9:30 am
1 stop8h 20m
Portland
Sat 11/28
1:35 pm-8:18 pm
1 stop9h 43m
$487
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 7/3
9:45 pm-10:55 am
2 stops10h 10m
Portland
Wed 7/8
3:45 pm-11:00 pm
2 stops10h 15m
$493
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Thu 7/23
6:40 am-12:10 am
1 stop14h 30m
Portland
Fri 7/31
5:35 am-11:45 am
1 stop9h 10m
$502
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Wed 7/22
8:00 am-12:59 am
2 stops13h 59m
Portland
Fri 7/31
4:52 pm-10:01 pm
1 stop8h 09m
$522
Showing 1-10 of 21 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 June.
| 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 June 7, 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
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Diego to Portland
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Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Diego to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Portland flights
Browse other San Diego and Portland flight options. Last updated on June 7, 2026.
Other flights from San Diego
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Check out other popular destinations found by fellow travelers in 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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$478 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$593 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$524 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$378 | Average$637 | FlexibilityNo cancel fee | On-time69% |