$156+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PWM
Apr 24 — May 11
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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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 San Diego to Portland
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Best
Last-minute
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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 March 25, 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 March 25, 2026.
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 5/1210:30 pm
SAN
- PWM
1 stop8h 48m
American Airlines
Tue 5/262:24 pm
PWM
- SAN
1 stop10h 24m
American Airlines
Deal found 3/23![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 3/23. 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.
Tue 4/146:15 am
SAN
- PWM
2 stops14h 09m
Delta
Tue 4/214:43 pm
PWM
- SAN
1 stop9h 23m
Delta
Deal found 3/23![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/211:03 pm
SAN
- PWM
1 stop8h 10m
American Airlines
Tue 4/281:18 pm
PWM
- SAN
1 stop9h 51m
American Airlines
Deal found 3/24![American Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 4/146:20 am
SAN
- PWM
1 stop13h 15m
Southwest
Tue 4/213:55 pm
PWM
- SAN
1 stop9h 30m
Southwest
Deal found 3/23![Southwest logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Tue 9/112:54 pm
SAN
- PWM
1 stop24h 22m
Breeze Airways
Tue 9/84:44 pm
PWM
- SAN
1 stop22h 44m
Breeze Airways
Deal found 3/22![Breeze Airways logo]()
$376
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:52 am
SAN
- PWM
1 stop7h 48m
United Airlines
Tue 4/2111:09 am
PWM
- SAN
2 stops12h 37m
United Airlines
Deal found 3/23![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Tue 9/112:54 pm
SAN
- PWM
1 stop24h 22m
Breeze Airways
Wed 9/95:09 pm
PWM
- SAN
1 stop21h 43m
Breeze Airways
Deal found 3/22![Breeze Airways logo]()
$386
This Delta deal was found by Cheapflights users on 3/23. 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.
Tue 5/1210:15 pm
SAN
- PWM
2 stops12h 43m
Delta
Tue 5/2612:55 pm
PWM
- SAN
2 stops13h 32m
Delta
Deal found 3/23![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 5/410:30 pm
SAN
- PWM
1 stop8h 53m
American Airlines
Fri 5/87:10 am
PWM
- SAN
1 stop9h 04m
American Airlines
Deal found 3/23![American Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:45 pm
SAN
- PWM
2 stops10h 38m
United Airlines
Fri 5/86:00 am
PWM
- SAN
1 stop8h 25m
United Airlines
Deal found 3/23![United Airlines logo]()
$415
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 March 25, 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 March 25, 2026.
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 4/219:45 pm
SAN
- PWM
2 stops13h 26m
Delta
Tue 4/284:43 pm
PWM
- SAN
1 stop9h 23m
Delta
Deal found 3/24![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 4/146:20 am
SAN
- PWM
1 stop13h 15m
Southwest
Tue 4/213:55 pm
PWM
- SAN
1 stop9h 30m
Southwest
Deal found 3/23![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:55 pm
SAN
- PWM
1 stop8h 04m
United Airlines
Wed 5/62:08 pm
PWM
- SAN
2 stops13h 20m
United Airlines
Deal found 3/23![United Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:10 pm
SAN
- PWM
1 stop12h 44m
Delta
Wed 9/92:35 pm
PWM
- SAN
1 stop12h 08m
Delta
Deal found 3/22![Delta logo]()
$468
This Southwest deal was found by Cheapflights users on 3/24. 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 6/411:15 am
SAN
- PWM
1 stop9h 50m
Southwest
Wed 6/105:30 am
PWM
- SAN
2 stops11h 45m
Southwest
Deal found 3/24![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 3/21. 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.
Sun 5/109:40 pm
SAN
- PWM
2 stops13h 18m
Delta
Fri 5/1512:55 pm
PWM
- SAN
1 stop8h 06m
Delta
Deal found 3/21![Delta logo]()
$492
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:15 am
SAN
- PWM
2 stops9h 55m
Southwest
Tue 9/221:05 pm
PWM
- SAN
2 stops10h 15m
Southwest
Deal found 3/22![Southwest logo]()
$497
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 pm
SAN
- PWM
2 stops12h 19m
Delta
Tue 9/812:50 pm
PWM
- SAN
2 stops13h 05m
Delta
Deal found 3/22![Delta logo]()
$497
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:40 am
SAN
- PWM
1 stop14h 25m
Southwest
Tue 7/73:45 pm
PWM
- SAN
1 stop10h 40m
Southwest
Deal found 3/22![Southwest logo]()
$502
Last-minute flights from San Diego to PortlandDiscover last-minute flight deals from San Diego to Portland. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Portland. Data last updated March 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/23. 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.
Tue 4/146:15 am
SAN
- PWM
2 stops14h 09m
Delta
Tue 4/214:43 pm
PWM
- SAN
1 stop9h 23m
Delta
Deal found 3/23![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 4/146:20 am
SAN
- PWM
1 stop13h 15m
Southwest
Tue 4/213:55 pm
PWM
- SAN
1 stop9h 30m
Southwest
Deal found 3/23![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:52 am
SAN
- PWM
1 stop7h 48m
United Airlines
Tue 4/2111:09 am
PWM
- SAN
2 stops12h 37m
United Airlines
Deal found 3/23![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 4/149:12 am
SAN
- PWM
2 stops11h 15m
American Airlines
Tue 4/217:10 am
PWM
- SAN
2 stops11h 35m
American Airlines
Deal found 3/23![American Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 4/196:15 am
SAN
- PWM
1 stop14h 12m
American Airlines
Sun 4/266:01 pm
PWM
- SAN
1 stop8h 32m
American Airlines
Deal found 3/22![American Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:40 pm
SAN
- PWM
2 stops10h 30m
Southwest
Sun 4/264:20 pm
PWM
- SAN
1 stop9h 20m
Southwest
Deal found 3/22![Southwest logo]()
$528
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 4/211:03 pm
SAN
- PWM
1 stop8h 10m
American Airlines
Tue 4/281:18 pm
PWM
- SAN
1 stop9h 51m
American Airlines
Deal found 3/24![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/227:20 pm
SAN
- PWM
2 stops12h 03m
American Airlines
Wed 4/297:10 am
PWM
- SAN
1 stop9h 04m
American Airlines
Deal found 3/24![American Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 3/24. 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 4/229:40 pm
SAN
- PWM
1 stop13h 30m
Southwest
Wed 4/293:55 pm
PWM
- SAN
1 stop9h 30m
Southwest
Deal found 3/24![Southwest logo]()
$524
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 March 25, 2026.
Search for one-way flight options from San Diego to Portland. Find affordable one-way fares based on user searches. Data last updated March 25, 2026.
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 4/216:15 am
SAN
- PWM
1 stop9h 23m
American Airlines
Deal found 3/23![American Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 5/267:10 pm
SAN
- PWM
2 stops13h 50m
Delta
Deal found 3/24![Delta logo]()
$161
This Delta deal was found by Cheapflights users on 3/23. 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.
Mon 4/2011:02 am
SAN
- PWM
1 stop9h 21m
Delta
Deal found 3/23![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 3/24. 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 4/169:45 pm
SAN
- PWM
2 stops10h 17m
Delta
Deal found 3/24![Delta logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:17 pm
SAN
- PWM
3 stops20h 59m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 3/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:20 pm
SAN
- PWM
1 stop8h 05m
United Airlines
Deal found 3/22![United Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/166:15 am
SAN
- PWM
1 stop9h 43m
American Airlines
Deal found 3/20![American Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 6/111:19 pm
SAN
- PWM
1 stop8h 16m
American Airlines
Deal found 3/24![American Airlines logo]()
$233
This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:37 pm
SAN
- PWM
1 stop15h 12m
Sun Country Air
Deal found 3/24![Sun Country Air logo]()
$242
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 March 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (American Airlines) |
One-way from | $156 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $533 |
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 March 25, 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
Tue 4/21
9:45 pm-2:11 pm
2 stops13h 26m
Portland
Tue 4/28
4:43 pm-11:06 pm
1 stop9h 23m
$316
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 4/14
6:20 am-10:35 pm
1 stop13h 15m
Portland
Tue 4/21
3:55 pm-10:25 pm
1 stop9h 30m
$369
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 5/5
12:55 pm-11:59 pm
1 stop8h 04m
Portland
Wed 5/6
2:08 pm-12:28 am
2 stops13h 20m
$426
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 9/1
10:10 pm-1:54 pm
1 stop12h 44m
Portland
Wed 9/9
2:35 pm-11:43 pm
1 stop12h 08m
$468
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Thu 6/4
11:15 am-12:05 am
1 stop9h 50m
Portland
Wed 6/10
5:30 am-2:15 pm
2 stops11h 45m
$492
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sun 5/10
9:40 pm-1:58 pm
2 stops13h 18m
Portland
Fri 5/15
12:55 pm-6:01 pm
1 stop8h 06m
$492
Quickest round-trip
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 9/1
8:15 am-9:10 pm
2 stops9h 55m
Portland
Tue 9/22
1:05 pm-8:20 pm
2 stops10h 15m
$497
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 9/1
7:30 pm-10:49 am
2 stops12h 19m
Portland
Tue 9/8
12:50 pm-10:55 pm
2 stops13h 05m
$497
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 7/3
6:40 am-12:05 am
1 stop14h 25m
Portland
Tue 7/7
3:45 pm-11:25 pm
1 stop10h 40m
$502
Cheapest one-way
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sun 6/14
9:45 pm-10:07 am
1 stop9h 22m
$244
Showing 1-10 of 17 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 March.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Portland. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from San Diego to Portland, Maine, you should look to book at least 21 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 San Diego to Portland, Maine?
Currently, April is the cheapest month in which you can book a flight from San Diego to Portland, Maine (average of $132). Flying from San Diego to Portland, Maine in January is currently the most expensive (average of $217). 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.
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 March 25, 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
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
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Book flights to Portland if you plan to visit one of these locationsNorth Conway
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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 March 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$435 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$601 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$361 | Average$452 | FlexibilityNo cancel fee | On-time63% |