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Cheap flights from Portland to San Francisco from C$ 111

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Portland to San Francisco are usually found in January or October, booked 85 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Portland to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Portland to San Francisco
Explore the most affordable flight options available from Portland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 July 2026.

Mon 24/87:00 a.m.
PDX
-
SFO
Nonstop1h 51m
United Airlines
Fri 28/810:35 p.m.
SFO
-
PDX
Nonstop2h 02m
United Airlines
Deal found 25/7C$ 214
Tue 8/96:55 a.m.
PDX
-
SFO
2 stops7h 10m
Southwest
Tue 15/95:50 a.m.
SFO
-
PDX
1 stop7h 30m
Southwest
Deal found 25/7C$ 220
Sat 5/98:30 a.m.
PDX
-
SFO
Nonstop1h 50m
Alaska Airlines
Sun 6/98:10 a.m.
SFO
-
PDX
Nonstop1h 46m
Alaska Airlines
Deal found 24/7C$ 221
Thu 13/87:19 a.m.
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Mon 17/87:20 a.m.
SFO
-
PDX
Nonstop1h 42m
Alaska Airlines
Deal found 23/7C$ 223
Sat 15/86:20 a.m.
PDX
-
SFO
1 stop7h 15m
Southwest
Mon 17/811:30 a.m.
SFO
-
PDX
2 stops6h 55m
Southwest
Deal found 22/7C$ 228
Mon 17/87:00 a.m.
PDX
-
SFO
Nonstop1h 51m
United Airlines
Wed 19/88:20 a.m.
SFO
-
PDX
Nonstop1h 51m
United Airlines
Deal found 21/7C$ 230
Thu 13/810:42 a.m.
PDX
-
SFO
Nonstop1h 57m
Alaska Airlines
Sat 15/810:08 p.m.
SFO
-
PDX
Nonstop1h 44m
Alaska Airlines
Deal found 24/7C$ 231
Thu 13/85:30 a.m.
PDX
-
SFO
Nonstop1h 58m
United Airlines
Thu 13/812:56 p.m.
SFO
-
PDX
Nonstop1h 51m
United Airlines
Deal found 23/7C$ 232
Sat 12/96:20 a.m.
PDX
-
SFO
1 stop7h 15m
Southwest
Mon 14/912:30 p.m.
SFO
-
PDX
1 stop6h 50m
Southwest
Deal found 22/7C$ 235
Thu 13/84:20 p.m.
PDX
-
SFO
1 stop6h 30m
Southwest
Mon 17/87:00 a.m.
SFO
-
PDX
2 stops12h 20m
Southwest
Deal found 23/7C$ 237
Wed 2/911:25 a.m.
PDX
-
SFO
2 stops7h 40m
Southwest
Sun 6/96:35 a.m.
SFO
-
PDX
1 stop7h 40m
Southwest
Deal found 24/7C$ 238

Find flight deals from Portland to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Francisco (SFO). 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 26 July 2026.

Round-trip from

C$ 214

One-way from

C$ 111

Popular in

March

Cheapest in

January

Average price

C$ 406

Good one-way deal

C$ 256 or less
United Airlines
  • United Airlines
  • 28/8-31/8
  • Nonstop
  • 3h 42m total
  • Portland to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 6/9
  • Nonstop
  • 1h 56m total
  • Portland to San Francisco
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Portland to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to San Francisco 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 629,999 searches. Data last updated 26 July 2026.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 19/9

7:00 a.m.-8:51 a.m.

Nonstop1h 51m

San Francisco

Fri 25/9

7:05 p.m.-9:00 p.m.

Nonstop1h 55m

C$ 214

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 17/8

5:35 a.m.-1:10 p.m.

2 stops7h 35m

San Francisco

Thu 20/8

3:20 p.m.-11:40 p.m.

1 stop8h 20m

C$ 220

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 8/9

6:55 a.m.-2:05 p.m.

2 stops7h 10m

San Francisco

Tue 15/9

5:50 a.m.-1:20 p.m.

1 stop7h 30m

C$ 220

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 4/11

7:35 a.m.-2:55 p.m.

2 stops7h 20m

San Francisco

Wed 11/11

5:00 a.m.-10:55 a.m.

1 stop5h 55m

C$ 220

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 8/10

5:30 a.m.-1:35 p.m.

2 stops8h 05m

San Francisco

Mon 12/10

7:25 p.m.-12:30 a.m.

1 stop5h 05m

C$ 228

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 22/9

7:05 a.m.-1:15 p.m.

1 stop6h 10m

San Francisco

Tue 22/9

4:40 p.m.-9:55 p.m.

1 stop5h 15m

C$ 235

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 21/9

12:40 p.m.-6:50 p.m.

2 stops6h 10m

San Francisco

Tue 22/9

8:40 a.m.-4:10 p.m.

2 stops7h 30m

C$ 249

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 17/10

2:10 p.m.-9:35 p.m.

2 stops7h 25m

San Francisco

Mon 19/10

3:15 p.m.-11:05 p.m.

2 stops7h 50m

C$ 249

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 9/9

7:03 a.m.-9:07 a.m.

Nonstop2h 04m

San Francisco

Tue 15/9

5:16 p.m.-10:45 p.m.

1 stop5h 29m

C$ 254

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 14/9

9:13 a.m.-5:22 p.m.

1 stop8h 09m

San Francisco

Thu 17/9

7:23 a.m.-9:07 a.m.

Nonstop1h 44m

C$ 275

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Portland to San Francisco

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

Cheapflights Insights

Everything you need to know about your flight from Portland to San Francisco

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

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to San Francisco. 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 Portland to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Portland to San Francisco (average of C$ 249). Flying from Portland to San Francisco in March is currently the most expensive (average of C$ 426). 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 PDX to SFO?

Find hourly flight availability from Portland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 July 2026.

When flying from Portland to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 84% versus a flight in the morning.

How much does it cost to fly round-trip from Portland to San Francisco?

Airfare is below average for this route at the moment.

Portland to San Francisco flights typically cost between C$ 280 and C$ 504 in August.
The cheapest round-trip price found within the last 5 days was C$ 214 on United Airlines (24 Aug-28 Aug).

Related info for your journey

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

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

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

    Departing from Portland to San Francisco will take you 1h 51m. Airlines will cover a distance of 885 km. This flight may include one or multiple stops.

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

    Before booking your flight to San Francisco from Portland, check out the most reliable airlines to get you to your destination on time: Icelandair (66%), Qantas Airways (65%), Lufthansa( 62%).

  • What are the cheapest flights from Portland to San Francisco?

    While on average a flight from Portland to San Francisco is generally C$ 256, our data shows the cheapest flight currently is C$ 256. When looking at the most popular route, (Portland - San Francisco), you can expect to pay C$ 574 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Portland to San Francisco (average of C$ 249). Flying from Portland to San Francisco in March is currently the most expensive (average of C$ 426). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Clara
Burlingame
San Bruno
Roseville
Livermore
South San Francisco
Novato
Vallejo

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to San Francisco

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

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to San Francisco from Portland 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 Portland to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to San Francisco with no change fees.

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

Yes, Cheapflights offers price alerts on Portland to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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