Find flights
Deals
When to book
FAQs

Cheap flights from San Diego to Portland from £70

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — PDX
23 May — 30 May1
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 23 April 2026.

Tue 22/912:20
SAN
-
PDX
1 stop5h 55m
Southwest
Tue 29/915:00
PDX
-
SAN
Nonstop2h 30m
Southwest
Deal found 23/4£125
Tue 12/513:00
SAN
-
PDX
1 stop8h 53m
Alaska Airlines
Wed 13/507:15
PDX
-
SAN
Nonstop2h 43m
Alaska Airlines
Deal found 21/4£126
Sat 16/514:14
SAN
-
PDX
Nonstop2h 44m
Alaska Airlines
Mon 18/507:05
PDX
-
SAN
1 stop24h 30m
Alaska Airlines
Deal found 21/4£128
Tue 19/507:00
SAN
-
PDX
Nonstop2h 46m
Alaska Airlines
Sun 31/507:15
PDX
-
SAN
Nonstop2h 43m
Alaska Airlines
Deal found 21/4£129
Fri 14/806:50
SAN
-
PDX
Nonstop2h 39m
Alaska Airlines
Tue 18/809:29
PDX
-
SAN
1 stop6h 57m
Alaska Airlines
Deal found 21/4£130
Thu 13/806:50
SAN
-
PDX
Nonstop2h 39m
Alaska Airlines
Mon 17/819:54
PDX
-
SAN
1 stop20h 32m
Alaska Airlines
Deal found 21/4£132
Thu 28/514:50
SAN
-
PDX
Nonstop2h 35m
Southwest
Sun 31/511:00
PDX
-
SAN
Nonstop2h 25m
Southwest
Deal found 22/4£133
Sat 12/912:40
SAN
-
PDX
1 stop7h 55m
Alaska Airlines
Sat 19/914:00
PDX
-
SAN
Nonstop2h 36m
Alaska Airlines
Deal found 23/4£135
Wed 27/516:30
SAN
-
PDX
1 stop5h 55m
Southwest
Sun 31/511:00
PDX
-
SAN
Nonstop2h 25m
Southwest
Deal found 22/4£136
Tue 12/515:35
SAN
-
PDX
1 stop17h 54m
Alaska Airlines
Sat 16/521:30
PDX
-
SAN
Nonstop2h 37m
Alaska Airlines
Deal found 22/4£138
Wed 20/511:10
SAN
-
PDX
Nonstop2h 40m
Southwest
Wed 27/511:45
PDX
-
SAN
Nonstop2h 25m
Southwest
Deal found 20/4£138
Sat 23/515:10
SAN
-
PDX
1 stop6h 50m
Southwest
Sat 30/510:25
PDX
-
SAN
2 stops7h 25m
Southwest
Deal found 22/4£140

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 23 April 2026.

Round-trip from

£125

One-way from

£70

Popular in

March

Cheapest in

January

Average price

£190
Southwest
  • Southwest
  • 22/9-29/9
  • 1 total stop
  • 8h 25m total
  • San Diego to Portland
Search Deals
Southwest
  • Southwest
  • 22/9
  • Nonstop
  • 2h 30m total
  • San Diego to Portland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 23 April 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 - PDX

SANPDX

San Diego

Sat 30/5

07:00-09:46

Nonstop2h 46m

Portland

Tue 2/6

07:05-21:52

1 stop14h 47m

£126

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Sat 16/5

13:37-19:26

1 stop5h 49m

Portland

Sun 24/5

05:30-10:05

1 stop4h 35m

£143

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Tue 19/5

10:59-16:23

1 stop5h 24m

Portland

Sat 23/5

15:30-22:26

1 stop6h 56m

£161

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Mon 1/6

18:27-00:50

1 stop6h 23m

Portland

Mon 8/6

18:03-22:49

1 stop4h 46m

£168

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Sat 6/6

13:37-19:24

1 stop5h 47m

Portland

Sat 13/6

17:50-22:38

1 stop4h 48m

£180

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Fri 22/5

19:10-23:55

1 stop4h 45m

Portland

Sun 24/5

05:30-12:42

1 stop7h 12m

£191

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Wed 27/5

19:11-23:44

1 stop4h 33m

Portland

Sat 13/6

17:24-22:18

1 stop4h 54m

£205

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Fri 25/9

09:48-18:56

1 stop9h 08m

Portland

Sat 26/9

07:15-10:05

Nonstop2h 50m

£212

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Fri 25/9

17:00-00:59

2 stops7h 59m

Portland

Sat 26/9

13:03-18:35

1 stop5h 32m

£225
Fastest return journey

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Fri 15/5

14:50-17:25

Nonstop2h 35m

Portland

Sun 17/5

11:00-13:25

Nonstop2h 25m

£227

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 90 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 March is currently the most expensive (average of £235). 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 23 April 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?

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 popular is this San Diego to Portland flight route?

    Within the past month, 1 users have taken a look at flights from San Diego to Portland.

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

    Departing from San Diego to Portland will take you 2h 46m. 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 Horizon Air (100%), Japan Airlines (97%) and SkyWest Airlines (93%).

  • 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 March is currently the most expensive (average of £235). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Portland

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Portland flights
Los Angeles to Portland flights
Los Angeles to Eugene flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.