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Cheap flights from San Francisco to Portland from $110

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PDX
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Portland

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Portland
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Wed 27/511:25
SFO
-
PDX
2 stops9h 20m
Southwest
Wed 10/617:55
PDX
-
SFO
1 stop5h 20m
Southwest
Deal found 19/3$223
Wed 27/511:25
SFO
-
PDX
2 stops9h 20m
Southwest
Tue 9/610:25
PDX
-
SFO
2 stops6h 15m
Southwest
Deal found 19/3$230
Thu 16/405:59
SFO
-
PDX
1 stop3h 59m
Delta
Tue 21/419:32
PDX
-
SFO
1 stop4h 05m
Delta
Deal found 20/3$239
Thu 9/412:00
SFO
-
PDX
Nonstop1h 50m
Alaska Airlines
Thu 9/417:45
PDX
-
SFO
Nonstop2h 00m
Alaska Airlines
Deal found 19/3$246
Mon 20/417:40
SFO
-
PDX
1 stop7h 15m
Southwest
Wed 22/406:30
PDX
-
SFO
1 stop5h 30m
Southwest
Deal found 19/3$249
Mon 13/418:40
SFO
-
PDX
Nonstop1h 52m
Alaska Airlines
Mon 20/421:35
PDX
-
SFO
Nonstop1h 54m
Alaska Airlines
Deal found 19/3$253
Wed 15/407:40
SFO
-
PDX
1 stop6h 10m
Southwest
Mon 27/406:00
PDX
-
SFO
2 stops8h 35m
Southwest
Deal found 19/3$256
Tue 21/407:40
SFO
-
PDX
1 stop6h 10m
Southwest
Tue 28/406:30
PDX
-
SFO
1 stop5h 30m
Southwest
Deal found 23/3$257
Wed 27/507:40
SFO
-
PDX
Nonstop1h 49m
Alaska Airlines
Fri 29/517:59
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Deal found 19/3$260
Thu 16/410:10
SFO
-
PDX
2 stops10h 00m
Southwest
Tue 21/407:40
PDX
-
SFO
2 stops6h 35m
Southwest
Deal found 19/3$263
Thu 7/507:40
SFO
-
PDX
Nonstop1h 50m
Alaska Airlines
Tue 12/517:51
PDX
-
SFO
Nonstop1h 58m
Alaska Airlines
Deal found 19/3$267

Find flight deals from San Francisco to Portland

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 March 2026.

Round-trip from

$223

One-way from

$110

Popular in

March

Cheapest in

September

Average price

$475
Southwest
  • Southwest
  • 21/4-5/5
  • 3 total stops
  • 12h 45m total
  • San Francisco to Portland
Search Deals
United Airlines
  • United Airlines
  • 16/4
  • Nonstop
  • 1h 51m total
  • San Francisco to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco 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 647,157 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from San Francisco to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 27/5

14:50-21:00

1 stop6h 10m

Portland

Tue 9/6

08:45-16:40

2 stops7h 55m

$223
Fastest return journey

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 10/6

22:52-00:50

Nonstop1h 58m

Portland

Mon 22/6

05:15-07:01

Nonstop1h 46m

$260

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 7/5

13:05-15:03

Nonstop1h 58m

Portland

Sun 10/5

05:30-07:19

Nonstop1h 49m

$296

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 1/5

23:01-00:59

Nonstop1h 58m

Portland

Sat 2/5

13:35-15:26

Nonstop1h 51m

$307

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Sat 23/5

22:52-00:50

Nonstop1h 58m

Portland

Mon 25/5

05:15-07:01

Nonstop1h 46m

$315

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 17/4

14:25-22:40

1 stop8h 15m

Portland

Sat 18/4

07:00-16:10

2 stops9h 10m

$332

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Wed 29/4

05:59-09:58

1 stop3h 59m

Portland

Mon 4/5

19:32-23:37

1 stop4h 05m

$339

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Fri 8/5

23:01-00:59

Nonstop1h 58m

Portland

Sun 10/5

07:15-09:04

Nonstop1h 49m

$339

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 21/4

11:25-19:15

2 stops7h 50m

Portland

Tue 28/4

07:40-14:15

2 stops6h 35m

$370

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Thu 23/7

07:20-09:05

Nonstop1h 45m

Portland

Sun 26/7

07:20-09:20

Nonstop2h 00m

$383

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco 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 Francisco to Portland

How far ahead should I book a flight from San Francisco to Portland?

Use this chart to determine the optimal time to book a return flight from San Francisco to Portland. Price data was last updated on 13 March 2026.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco 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 Francisco to Portland?

Currently, September is the cheapest month in which you can book a flight from San Francisco to Portland (average of $110). Flying from San Francisco to Portland in March is currently the most expensive (average of $184). 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 SFO to PDX?

Find hourly flight availability from San Francisco 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 March 2026.

When flying from San Francisco to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 82% versus a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 Francisco to Portland flight route?

    Within the past month, 3 users have taken a look at flights from San Francisco to Portland.

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

    For as low as $296, Southwest can have you in Portland from San Francisco in 1h 58m. San Francisco and Portland are separated by a distance of 885 km. This flight may include one or multiple stops.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Portland on time: Icelandair (100%), Qantas Airways (96%), American Airlines (93%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 Francisco to Portland?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Portland (average of $110). Flying from San Francisco to Portland in March is currently the most expensive (average of $184). 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 Francisco to Portland

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

Cheapflights makes it easy to find San Francisco to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco to Portland flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from San Francisco today and book when prices fit your budget.

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