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$175+ Cheap flights from Portland to San Diego (PWM - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
sep. 24 — oct. 11
From?
To?
mar. 9/24
mar. 10/1
1 adult, Economy
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Find cheap flights from Portland to San Diego with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
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3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Portland to San Diego are usually found in January or October, booked 90 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Portland to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

May

Cheapest in

January

Round-trip from

$308
(American Airlines)

One-way from

$175
(American Airlines)
Provider with most accurate pricing for Portland-San Diego flight deals.
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Provider most trusted by Cheapflights users for Portland-San Diego flights.
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Portland to San Diego
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One-way flight from Portland to San Diego
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Cheap Portland to San Diego flights in September & October 2024

Find cheap flight options from Portland to San Diego specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,082,863 searches. Prices were last updated on septiembre 19, 2024.
These are some of the best deals we've found on flights to San Diego in 2024 at this time. For more flight deals, be sure to check back very soon.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
mié. 10/162:27 pmPWM - SAN
1 stop11h 36mAmerican Airlines
mar. 10/2212:04 pmSAN - PWM
1 stop9h 38mAmerican Airlines
Deal found 9/18$350
This United Airlines deal was found by Cheapflights users on 9/18. 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.
mié. 10/231:49 pmPWM - SAN
1 stop9h 20mUnited Airlines
jue. 10/318:00 amSAN - PWM
1 stop9h 09mUnited Airlines
Deal found 9/18$353
This Delta deal was found by Cheapflights users on 9/19. 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.
sáb. 10/196:10 amPWM - SAN
2 stops15h 29mDelta
sáb. 10/266:25 amSAN - PWM
2 stops13h 55mDelta
Deal found 9/19$397
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/301:57 pmPWM - SAN
2 stops22h 43mAlaska Airlines
dom. 11/38:45 pmSAN - PWM
3 stops20h 32mAlaska Airlines
Deal found 9/19$733
This Southwest deal was found by Cheapflights users on 9/19. 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.
lun. 10/145:45 amPWM - SAN
2 stops10h 45mSouthwest
vie. 10/187:50 pmSAN - PWM
2 stops14h 20mSouthwest
Deal found 9/19$746

Portland to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Portland and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated septiembre 19, 2024.
These are some of the best deals we've found on flights to San Diego in 2024 at this time. For more flight deals, be sure to check back very soon.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
sáb. 11/91:06 pmPWM - SAN
1 stop9h 19mAmerican Airlines
mar. 11/196:30 amSAN - PWM
2 stops13h 05mAmerican Airlines
Deal found 9/18$343
This United Airlines deal was found by Cheapflights users on 9/18. 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.
mié. 10/231:49 pmPWM - SAN
1 stop9h 20mUnited Airlines
jue. 10/318:00 amSAN - PWM
1 stop9h 09mUnited Airlines
Deal found 9/18$353
This Delta deal was found by Cheapflights users on 9/19. 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.
sáb. 10/196:10 amPWM - SAN
2 stops15h 29mDelta
sáb. 10/266:25 amSAN - PWM
2 stops13h 55mDelta
Deal found 9/19$397
This Southwest deal was found by Cheapflights users on 9/18. 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.
jue. 11/73:10 pmPWM - SAN
1 stop10h 55mSouthwest
dom. 11/106:25 amSAN - PWM
1 stop8h 10mSouthwest
Deal found 9/18$411
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/102:24 pmPWM - SAN
2 stops23h 02mAlaska Airlines
dom. 12/158:55 pmSAN - PWM
3 stops22h 51mAlaska Airlines
Deal found 9/18$533

Portland to San Diego flights leaving soon

Find last-minute flight options from Portland to San Diego for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated septiembre 19, 2024.
Users seeking a last-minute flight from Portland to San Diego should consider booking one of these fares. To prevent any unwanted surprises, users should verify their flight info before booking.
This Delta deal was found by Cheapflights users on 9/19. 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.
vie. 9/275:10 amPWM - SAN
1 stop22h 13mDelta
dom. 10/610:15 pmSAN - PWM
2 stops14h 32mDelta
Deal found 9/19$439
This United Airlines deal was found by Cheapflights users on 9/17. 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.
sáb. 9/286:15 amPWM - SAN
1 stop8h 11mUnited Airlines
jue. 10/312:55 pmSAN - PWM
1 stop8h 04mUnited Airlines
Deal found 9/17$617
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/283:59 pmPWM - SAN
3 stops20h 33mAlaska Airlines
jue. 10/38:40 pmSAN - PWM
2 stops21h 36mAlaska Airlines
Deal found 9/17$1,193

One-way flights to San Diego from Portland

Search for one-way flight options from Portland to San Diego. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated septiembre 19, 2024.
Take a look at some of the one-way flights we've detected from Portland to San Diego. Users needing a return flight from Portland to San Diego should utilize the search form above.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
mié. 10/162:27 pmPWM - SAN
1 stop11h 36mAmerican Airlines
Deal found 9/18$175
This JetBlue deal was found by Cheapflights users on 9/19. 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.
mar. 10/11:06 pmPWM - SAN
1 stop8h 56mJetBlue
Deal found 9/19$216
This Delta deal was found by Cheapflights users on 9/18. 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.
mié. 10/1612:20 pmPWM - SAN
2 stops13h 16mDelta
Deal found 9/18$248
This United deal was found by Cheapflights users on 9/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/315:20 amPWM - SAN
1 stop9h 07mUnited Airlines
Deal found 9/19$289
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/283:59 pmPWM - SAN
3 stops20h 33mAlaska Airlines
Deal found 9/18$445

Find flights from Portland to San Diego within your budget

Customize your flight search to find flights from Portland to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated septiembre 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$308 - $533

Route

Depart

Return

Price

PortlandSan Diego

PWM - SAN

PWMSAN

Portland

mié. 1/8

1 stop8h 37m

San Diego

mar. 1/14

1 stop9h 27m

$308

PortlandSan Diego

PWM - SAN

PWMSAN

Portland

sáb. 1/18

1 stop8h 58m

San Diego

sáb. 1/25

2 stops14h 06m

$313

PortlandSan Diego

PWM - SAN

PWMSAN

Portland

mié. 10/23

1 stop9h 20m

San Diego

jue. 10/31

1 stop9h 09m

$353

PortlandSan Diego

PWM - SAN

PWMSAN

Portland

jue. 11/7

1 stop10h 55m

San Diego

dom. 11/10

1 stop8h 10m

$411

PortlandSan Diego

PWM - SAN

PWMSAN

Portland

mar. 12/10

2 stops23h 02m

San Diego

dom. 12/15

3 stops22h 51m

$533

Flights are sorted by cheapest first

Deals found on 9/19

Compare providers for flights from Portland to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Diego in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 Portland, Maine-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Portland with our price prediction graph.
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.

Travel insights for flights from Portland to San Diego

Get recent, data-driven insights about flights from Portland to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland, Maine to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Diego. Price data was last updated on September 13, 2024.

To ensure you get the cheapest price possible for a flight from Portland, Maine to San Diego, you should look to book at least 90 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.

Find deals

What is the cheapest month to book a flight from Portland, Maine to San Diego?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Diego (average of $109). Flying from Portland, Maine to San Diego in July is currently the most expensive (average of $175). 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.

What is the cheapest time of day to fly from PWM to SAN?

Find hourly flight availability from Portland to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 19, 2024.

It’s optimal to fly from Portland, Maine to San Diego in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.

What are the most popular airlines that fly from Portland, Maine to San Diego?

Our users search for these airlines the most when looking for flights from Portland to San Diego. Data last updated on septiembre 19, 2024.

American Airlines, United Airlines and Delta are the most popular airlines when flying from Portland, Maine to San Diego.

American Airlines

American Airlines

From $312

United Airlines

United Airlines

From $331

Delta

Delta

From $343

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated septiembre 19, 2024.
See what other customers who have flown with Delta, United Airlines and Alaska Airlines from Portland to San Diego have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.2
Very good
5,315 reviews
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,367 reviews
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
9,069 reviews
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.5
Good
3,672 reviews
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,524 reviews
Southwest
8.2
Very good
5,315 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Food

7.3

Boarding

8.3

Comfort

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Portland to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Portland, Maine to San Diego for under $400 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to San Diego for under $400. The cheapest flight booked recently is on American Airlines for just $308, but on average you can expect to pay $383.

  • Are there last-minute flights available from Portland, Maine to San Diego for under $500?

    There are currently 3+ open flights from Portland, Maine to San Diego within the next 7 days for less than $500.

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

    American Airlines, at $308, was found to be the cheapest airline from Portland, Maine to San Diego.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 42% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $175 on American Airlines. Other airlines that offer cheap prices include JetBlue from $216 and Delta from $248 one-way.

  • What does PWM to SAN mean?

    PWM stands for Portland Airport, while SAN stands for San Diego Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Portland to San Diego that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to San Diego with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Portland to San Diego that allow pets onboard?

    Many airlines flying from Portland to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to San Diego?

    Yes, you can often find last-minute deals on Portland to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to San Diego flight deals updated?

    The Portland, Maine to San Diego flight deals you see on this page were last updated on 9/19.

  • What is the cheapest month to book a flight from Portland, Maine to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Diego (average of $109). Flying from Portland, Maine to San Diego in July is currently the most expensive (average of $175). 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

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Top 3 airlines flying from Portland to San Diego

Discover the top 3 airlines that operate flights from Portland to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated septiembre 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$312Average$493FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$331Average$618FlexibilityNo cancel feeOn-time69%
DeltaCheapest$343Average$517FlexibilityNo cancel feeOn-timeN/A
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Search flights from Portland to San Diego by cabin class

Find flights from Portland to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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