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$180+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PWM
mars 13 — mars 201
ven. 3/13
ven. 3/20
1 adult, Economy
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Cheap flight deals from San Diego to Portland

Cheapest flights from San Diego to Portland
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 février 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/106:20 am
SAN
-
PWM
1 stop14h 17m
American Airlines
mar. 3/176:17 am
PWM
-
SAN
1 stop19h 23m
American Airlines
Deal found 2/10$355
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
mer. 9/21:22 pm
SAN
-
PWM
1 stop26h 54m
Breeze Airways
mar. 9/84:44 pm
PWM
-
SAN
1 stop22h 46m
Breeze Airways
Deal found 2/9$356
This Delta deal was found by Cheapflights users on 2/9. 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.
mar. 3/316:15 am
SAN
-
PWM
1 stop6h 51m
Delta
mer. 4/154:42 pm
PWM
-
SAN
1 stop9h 24m
Delta
Deal found 2/9$359
This Delta deal was found by Cheapflights users on 2/10. 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.
mer. 3/1110:30 pm
SAN
-
PWM
2 stops14h 36m
Delta
mer. 3/182:30 pm
PWM
-
SAN
1 stop9h 18m
Delta
Deal found 2/10$364
This Southwest deal was found by Cheapflights users on 2/10. 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.
mar. 3/1010:40 pm
SAN
-
PWM
2 stops10h 15m
Southwest
mar. 3/1712:30 pm
PWM
-
SAN
2 stops10h 10m
Southwest
Deal found 2/10$369
This American Airlines deal was found by Cheapflights users on 2/9. 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.
mer. 3/1110:35 pm
SAN
-
PWM
2 stops10h 39m
American Airlines
mer. 3/1812:44 pm
PWM
-
SAN
1 stop9h 39m
American Airlines
Deal found 2/9$374
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/316:20 am
SAN
-
PWM
1 stop14h 17m
American Airlines
mer. 4/155:51 pm
PWM
-
SAN
1 stop8h 42m
American Airlines
Deal found 2/8$377
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/96:23 am
SAN
-
PWM
1 stop8h 41m
American Airlines
mer. 3/1812:44 pm
PWM
-
SAN
1 stop9h 39m
American Airlines
Deal found 2/8$383
This Delta deal was found by Cheapflights users on 2/8. 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.
lun. 3/910:10 pm
SAN
-
PWM
2 stops9h 54m
Delta
mer. 3/182:30 pm
PWM
-
SAN
1 stop9h 18m
Delta
Deal found 2/8$388

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 février 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$355
(American Airlines)

One-way from

$180
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$392
Provider with most accurate pricing for San Diego-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Portland flights.
Search Deals
From San Diego to Portland
Search Deals
One-way flight from San Diego to Portland
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 février 11, 2026.
Use the filters below to find and compare flights from San Diego to Portland that are best for you.

Fly from

San Diego

Fly to

Portland

Route

Depart

Return

Price

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/10

6:20 am-11:37 pm

1 stop14h 17m

Portland

mar. 3/17

6:17 am-10:40 pm

1 stop19h 23m

$355

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/31

6:15 am-4:06 pm

1 stop6h 51m

Portland

mer. 4/15

4:42 pm-11:06 pm

1 stop9h 24m

$359

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/10

10:40 pm-11:55 am

2 stops10h 15m

Portland

mar. 3/17

12:30 pm-7:00 pm

1 stop9h 30m

$364

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mer. 3/11

10:30 pm-4:06 pm

2 stops14h 36m

Portland

mer. 3/18

2:30 pm-8:48 pm

1 stop9h 18m

$364

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mer. 3/11

10:35 pm-12:14 pm

2 stops10h 39m

Portland

mer. 3/18

12:44 pm-7:23 pm

1 stop9h 39m

$364

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/31

7:52 pm-10:28 am

2 stops11h 36m

Portland

mer. 4/15

7:10 am-1:14 pm

1 stop9h 04m

$364

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/24

10:35 pm-12:14 pm

2 stops10h 39m

$185

San DiegoPortland

SAN - PWM

SANPWM

San Diego

lun. 3/23

10:15 pm-1:57 pm

2 stops12h 42m

$200

San DiegoPortland

SAN - PWM

SANPWM

San Diego

lun. 3/23

10:35 pm-5:07 pm

1 stop15h 32m

$204

San DiegoPortland

SAN - PWM

SANPWM

San Diego

mar. 3/24

6:25 am-10:17 am

3 stops24h 52m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 17 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 February 6, 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 $118). 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 février 11, 2026.
Read through reviews of airlines operating flights from San Diego to Portland, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,180 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,273 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,265 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from San Diego to Portland, Maine?

    American Airlines, Delta, and Southwest can get you from San Diego to Portland, Maine in just under 6h 51m. Your travel time can differ by up to 7h 26m. The distance between San Diego and Portland, Maine is about 2616 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Portland, Maine round-trip?

    Currently priced at $213, Delta will fly you from San Diego to Portland, Maine and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $312 and $333, respectively. You may be able to fly from San Diego to Portland, Maine for 56% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to Portland, Maine one-way?

    One-way options have recently been found by users for as low as $148 on Delta. Other airlines that offer cheap prices include American Airlines from $150 and JetBlue from $153 one-way.

  • Can I find deals for flights from San Diego to Portland that include hotel bookings?

    Yes. In addition to deals on San Diego to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Portland.

  • Can I find deals for business class flights from San Diego to Portland?

    Yes. Cheapflights offers flight deals from San Diego to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $118). 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
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 février 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$426FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$312Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$333Average$572FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$361Average$476FlexibilityNo cancel feeOn-time63%

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