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Cheap flights from Portland to San Francisco from C$ 79

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Portland to San Francisco are usually found in January or December, booked 71 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap 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 11 September 2025.

Round-trip from

C$ 162

One-way from

C$ 79

Popular in

March

Cheapest in

January

Average price

C$ 251
Alaska Airlines
  • Alaska Airlines
  • 8/10-15/10
  • Nonstop
  • 3h 38m total
  • Portland to San Francisco
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Southwest
  • Southwest
  • 12/11
  • 2 total stops
  • 8h 05m total
  • Portland to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Portland to San Francisco

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 11 September 2025.

Wed 8/102:30 p.m.PDX - SFO
Nonstop1h 51mAlaska Airlines
Wed 15/108:00 a.m.SFO - PDX
Nonstop1h 47mAlaska Airlines
Deal found 10/9C$ 162
Tue 21/1010:30 a.m.PDX - SFO
Nonstop1h 53mAlaska Airlines
Wed 29/108:00 a.m.SFO - PDX
Nonstop1h 49mAlaska Airlines
Deal found 11/9C$ 164
Sat 4/1010:30 a.m.PDX - SFO
Nonstop1h 53mAlaska Airlines
Tue 7/107:01 p.m.SFO - PDX
Nonstop1h 49mAlaska Airlines
Deal found 11/9C$ 176
Tue 9/124:32 p.m.PDX - SFO
Nonstop1h 55mAlaska Airlines
Mon 15/128:00 a.m.SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 10/9C$ 177
Tue 21/106:45 a.m.PDX - SFO
2 stops7h 25mSouthwest
Wed 29/103:50 p.m.SFO - PDX
1 stop7h 55mSouthwest
Deal found 11/9C$ 186
Tue 28/105:10 a.m.PDX - SFO
1 stop5h 45mSouthwest
Sat 1/111:00 p.m.SFO - PDX
1 stop6h 05mSouthwest
Deal found 11/9C$ 188
Wed 8/105:00 p.m.PDX - SFO
1 stop4h 52mDelta
Wed 15/108:20 a.m.SFO - PDX
1 stop7h 52mDelta
Deal found 10/9C$ 190
Sat 4/1010:30 a.m.PDX - SFO
Nonstop1h 53mHawaiian Airlines
Mon 13/109:47 p.m.SFO - PDX
Nonstop1h 45mHawaiian Airlines
Deal found 11/9C$ 191
Mon 8/124:32 p.m.PDX - SFO
Nonstop1h 55mAlaska Airlines
Sat 13/1211:36 a.m.SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 10/9C$ 193
Tue 18/118:00 a.m.PDX - SFO
1 stop6h 40mSouthwest
Thu 20/115:10 a.m.SFO - PDX
1 stop5h 40mSouthwest
Deal found 11/9C$ 194
Mon 10/115:30 a.m.PDX - SFO
2 stops6h 55mSouthwest
Thu 13/115:00 a.m.SFO - PDX
1 stop5h 10mSouthwest
Deal found 11/9C$ 200

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 11 September 2025.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.

Fly from

Portland

Fly to

San Francisco

Route

Depart

Return

Price

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 2/12

3:55 p.m.-5:46 p.m.

Nonstop1h 51m

San Francisco

Wed 3/12

9:10 a.m.-11:03 a.m.

Nonstop1h 53m

C$ 176

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 28/10

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

1 stop5h 45m

San Francisco

Sat 1/11

1:00 p.m.-7:05 p.m.

1 stop6h 05m

C$ 188

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 2/10

5:36 p.m.-7:45 p.m.

Nonstop2h 09m

San Francisco

Sat 4/10

3:01 p.m.-4:54 p.m.

Nonstop1h 53m

C$ 191

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 1/11

10:05 a.m.-12:04 p.m.

Nonstop1h 59m

San Francisco

Mon 3/11

9:00 p.m.-10:51 p.m.

Nonstop1h 51m

C$ 191

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 2/10

5:15 p.m.-7:06 p.m.

Nonstop1h 51m

San Francisco

Mon 6/10

10:40 p.m.-12:28 a.m.

Nonstop1h 48m

C$ 193

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 18/11

8:00 a.m.-2:40 p.m.

1 stop6h 40m

San Francisco

Thu 20/11

5:10 a.m.-10:50 a.m.

1 stop5h 40m

C$ 194

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 4/10

10:30 a.m.-12:23 p.m.

Nonstop1h 53m

San Francisco

Sun 5/10

8:00 a.m.-9:47 a.m.

Nonstop1h 47m

C$ 204

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 17/10

3:50 p.m.-5:41 p.m.

Nonstop1h 51m

San Francisco

Sat 25/10

4:45 p.m.-6:33 p.m.

Nonstop1h 48m

C$ 204

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 3/10

5:36 p.m.-7:45 p.m.

Nonstop2h 09m

San Francisco

Mon 6/10

8:00 a.m.-9:47 a.m.

Nonstop1h 47m

C$ 205

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 14/10

7:15 p.m.-11:43 p.m.

1 stop4h 28m

San Francisco

Thu 16/10

5:50 a.m.-11:29 a.m.

1 stop5h 39m

C$ 205

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 22 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Francisco. Price data was last updated on 29 August 2025.

Booking 27 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$ 276). Flying from Portland to San Francisco in December is currently the most expensive (average of C$ 368). 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 11 September 2025.

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 in the afternoon, which can drop the price by up to 85% versus a flight in the morning.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 11 September 2025.
Read through reviews of airlines operating flights from Portland to San Francisco, such as Alaska Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Frontier
5.8
Fair
3,177 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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.

  • What airports do I use to fly from Portland to San Francisco?

    If you book a flight from Portland to San Francisco, you will be flying from Portland to San Francisco. Flights to San Francisco (SFO) from Portland (PDX) take 1h 54m for a nonstop flight. There are 48 flights from Portland to San Francisco per day from 2 airlines.

  • How popular is this Portland to San Francisco flight route?

    Within the past month, 22 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 cheapest airlines flying from Portland to San Francisco round-trip?

    Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at C$ 73. Another option worth looking into is Alaska Airlines, starting at C$ 156 round trip. Frontier is priced at 73% lower than the current average price of a flight leaving 3 months from now.

  • 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: Horizon Air (93%), Turkish Airlines (86%), Frontier( 86%).

  • 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$ 276). Flying from Portland to San Francisco in December is currently the most expensive (average of C$ 368). 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
Richmond
Newark
Alameda
Redwood City
Burlingame
San Bruno
South San Francisco
Scotts Valley
Belmont
Novato
Millbrae
Santa Clara
Vallejo

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 Portland to San Francisco

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

Top 2 airlines flying from Portland to San Francisco

Discover the top 2 airlines that operate flights from Portland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 73AverageC$ 243FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 156AverageC$ 310FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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

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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