$154 Cheap Flights from San Diego (SAN) to Portland (PWM)

View $154 flight on Thu, Jul 17, 2025Opens in a new window
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Cheap Flights from San Diego to Portland (SAN-PWM)

Prices were available within the past 7 days and start at $154 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 20 - Sat, May 24
SAN
San Diego
PWM
Portland
$313 Roundtrip, found 1 hour ago
$313
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, May 20 from San Diego to Portland, returning Sat, May 24, priced at $313 found 1 hour ago
American Airlines
Tue, May 20 - Sun, May 25
SAN
San Diego
PWM
Portland
$313 Roundtrip, found 1 hour ago
$313
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, May 20 from San Diego to Portland, returning Sun, May 25, priced at $313 found 1 hour ago
JetBlue Airways
Fri, Sep 19 - Tue, Sep 30
SAN
San Diego
PWM
Portland
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Fri, Sep 19 from San Diego to Portland, returning Tue, Sep 30, priced at $314 found 2 days ago
United
Tue, May 20 - Sun, May 25
SAN
San Diego
PWM
Portland
$315 Roundtrip, found 1 hour ago
$315
Roundtrip
found 1 hour ago
Select United flight, departing Tue, May 20 from San Diego to Portland, returning Sun, May 25, priced at $315 found 1 hour ago
Delta
Tue, Jul 1 - Fri, Jul 4
SAN
San Diego
PWM
Portland
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 1 from San Diego to Portland, returning Fri, Jul 4, priced at $318 found 1 day ago
United
Tue, May 20 - Sun, May 25
SAN
San Diego
PWM
Portland
$318 Roundtrip, found 1 hour ago
$318
Roundtrip
found 1 hour ago
Select United flight, departing Tue, May 20 from San Diego to Portland, returning Sun, May 25, priced at $318 found 1 hour ago
United
Tue, May 20 - Sun, May 25
SAN
San Diego
PWM
Portland
$320 Roundtrip, found 1 hour ago
$320
Roundtrip
found 1 hour ago
Select United flight, departing Tue, May 20 from San Diego to Portland, returning Sun, May 25, priced at $320 found 1 hour ago
JetBlue Airways
Tue, Jul 22 - Wed, Jul 30
SAN
San Diego
PWM
Portland
$329 Roundtrip, found 3 days ago
$329
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Jul 22 from San Diego to Portland, returning Wed, Jul 30, priced at $329 found 3 days ago
United
Tue, May 20 - Sun, May 25
SAN
San Diego
PWM
Portland
$331 Roundtrip, found 1 hour ago
$331
Roundtrip
found 1 hour ago
Select United flight, departing Tue, May 20 from San Diego to Portland, returning Sun, May 25, priced at $331 found 1 hour ago
Southwest Airlines
Sat, May 17 - Tue, May 20
SAN
San Diego
PWM
Portland
$345 Roundtrip, found 3 days ago
$345
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, May 17 from San Diego to Portland, returning Tue, May 20, priced at $345 found 3 days ago
Flights from San Diego (SAN) to Portland (PWM)
Origin airport
San Diego Intl.
Destination airport
Portland Intl. Jetport
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$312
Distance
2617 mi

San Diego to Portland Flights

The cheapest times to fly from San Diego to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Portland are during the month of May. You can find some of the cheapest flights from San Diego to Portland with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Diego to Portland

Sunday is one of the best days to book for cheap flights from San Diego to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Diego to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM) cost?
Discover the latest flight deals from SAN to PWM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SAN to PWM?
The cheapest flights from SAN to PWM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SAN to PWM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SAN to PWM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM)?
There are no daily nonstop flights available from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds in no time.
What day of the week has the most flights from SAN to PWM?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM)?
Opt for a flight from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM) last-minute?
Last-minute bookings from SAN to PWM are typically more expensive. For the best rates, start searching for flights well in advance. That being said, if you’re flexible with your travel dates, it’s possible to land a cheap fare right before your trip.
Is it cheaper to book a SAN to PWM flight and hotel package?
You can save money by securing a SAN to PWM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one convenient place. Once you’ve selected your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM)?
Generally, it’s possible to cancel or reschedule your SAN to PWM flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.