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Cheap flights from San Diego to Portland from £62

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PDX
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Portland

Enter your travel dates to find the best prices.

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 17 August 2026.

Wed 9/1220:37 -
Nonstop2h 38m
Sat 12/1214:49 -
Nonstop2h 35m
Deal found 17/8£111
Tue 22/916:02 -
Nonstop2h 35m
Tue 29/909:13 -
Nonstop2h 36m
Deal found 17/8£112
Sat 12/915:15 -
Nonstop2h 30m
Tue 15/906:35 -
2 stops5h 10m
Deal found 17/8£112
Fri 30/1010:00 -
Nonstop2h 35m
Sun 1/1108:00 -
Nonstop2h 20m
Deal found 12/8£113
Wed 2/908:05 -
2 stops7h 20m
Sun 6/911:45 -
Nonstop2h 30m
Deal found 12/8£114
Tue 1/916:35 -
Nonstop2h 25m
Sat 5/914:40 -
Nonstop2h 30m
Deal found 13/8£114
Tue 22/918:12 -
Nonstop2h 37m
Mon 28/909:13 -
Nonstop2h 36m
Deal found 15/8£115
Wed 9/913:38 -
1 stop6h 24m
Sat 19/910:47 -
1 stop4h 14m
Deal found 17/8£116
Wed 9/908:05 -
2 stops7h 20m
Sat 12/913:35 -
1 stop4h 35m
Deal found 13/8£117
Fri 11/913:05 -
1 stop6h 10m
Mon 14/905:35 -
1 stop4h 05m
Deal found 12/8£117
Sun 6/920:16 -
Nonstop2h 39m
Wed 9/914:40 -
1 stop4h 03m
Deal found 13/8£119
Sat 5/911:10 -
1 stop5h 40m
Wed 9/906:35 -
2 stops5h 10m
Deal found 14/8£120

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 (PDX). 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 17 August 2026.

Round-trip from

£111

One-way from

£62

Popular in

June

Cheapest in

January

Average price

£206
Alaska Airlines
  • Alaska Airlines
  • 9/12-12/12
  • Nonstop
  • 5h 13m total
  • San Diego to Portland
Search Deals
Southwest
  • Southwest
  • 15/9
  • 2 total stops
  • 5h 10m total
  • San Diego to Portland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 17 August 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

Price

Cheapest return flight

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Thu 24/9

13:38-20:02

1 stop6h 24m

Portland

Tue 29/9

05:30-10:09

1 stop4h 39m

£116

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Tue 29/9

19:11-23:40

1 stop4h 29m

Portland

Wed 30/9

15:21-22:33

1 stop7h 12m

£116

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Thu 10/12

11:06-18:53

1 stop7h 47m

Portland

Sat 12/12

09:32-14:50

1 stop5h 18m

£116

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Thu 22/10

19:15-01:20

1 stop6h 05m

Portland

Tue 27/10

06:40-11:35

2 stops4h 55m

£120

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Sat 5/9

13:55-19:50

1 stop5h 55m

Portland

Wed 9/9

06:35-11:45

2 stops5h 10m

£120

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Thu 24/9

18:12-20:49

Nonstop2h 37m

Portland

Tue 29/9

09:13-11:49

Nonstop2h 36m

£132

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Thu 5/11

07:10-13:30

1 stop6h 20m

Portland

Thu 12/11

15:04-17:37

Nonstop2h 33m

£133

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Tue 17/11

16:25-20:47

1 stop4h 22m

Portland

Wed 2/12

17:30-20:07

Nonstop2h 37m

£133

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Tue 8/9

16:02-18:37

Nonstop2h 35m

Portland

Fri 11/9

09:13-11:49

Nonstop2h 36m

£138
Fastest return journey

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Sat 5/9

15:15-17:45

Nonstop2h 30m

Portland

Sun 6/9

11:45-14:15

Nonstop2h 30m

£139

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Diego to Portland (average of £146). Flying from San Diego to Portland in June is currently the most expensive (average of £263). 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 SAN to PDX?

Find hourly flight availability from San Diego to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Portland as you normally would.

How much does it cost for a return flight from San Diego to Portland?

Airfare is below average for this route at the moment.

San Diego to Portland flights typically cost between £154 and £264 in December.
The cheapest return price found within the last 5 days was £111 on Alaska Airlines (9 Dec–12 Dec).

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?

    Departing from San Diego to Portland will take you 4h 05m. There are 933 mi between San Diego and Portland. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Diego to Portland?

    The top 3 most reliable airlines when flying from San Diego to Portland are Sun Country Air (100%), Condor (88%) and Japan Airlines (83%).

  • 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 holiday 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?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Portland (average of £146). Flying from San Diego to Portland in June is currently the most expensive (average of £263). 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

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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Portland?

Deals for San Diego to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Portland?

Cheapflights helps you find that perfect flight to Portland from San Diego by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Diego to Portland with no change fees?

Need flexible booking options for your flight to Portland from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Diego to Portland become cheaper?

Yes! Start tracking prices for San Diego to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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