What is the most punctual flight time for Portland to San Francisco flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

How often are flights from Portland to San Francisco delayed?

About 26% of weekly flights between Portland and San Francisco have experienced delays in the past year, with the average delay time being 113 minutes.

Which airline has the best punctuality record on Portland to San Francisco flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 25% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

How popular is this Portland to San Francisco flight route?

Within the past month, 1 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 52m. Airlines will cover a distance of 885 km. This flight may include one or multiple stops.

Weekly flight availability from Portland to San Francisco

The most flights from PDX to SFO are scheduled on a Friday (69 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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: SkyWest Airlines (89%), Horizon Air (77%), United Airlines( 74%).

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.

C$ 83+ Cheap Flights from Portland to San Francisco

Cheapflights Tip: The best prices from Portland to San Francisco are usually found in January or October, booked 56 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.

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One-way

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 25 October 2026.

Sat 12/127:10 a.m. -

Nonstop1h 59m

Thu 17/1210:57 p.m. -

Nonstop1h 50m

Deal found 24/10C$ 164

Sat 21/111:25 p.m. -

Nonstop1h 50m

Wed 25/1110:50 p.m. -

Nonstop1h 54m

Deal found 24/10C$ 175

Thu 3/127:00 a.m. -

Nonstop1h 59m

Sun 6/128:56 p.m. -

Nonstop1h 49m

Deal found 23/10C$ 181

Wed 18/1111:54 a.m. -

Nonstop1h 52m

Wed 18/112:47 p.m. -

Nonstop1h 47m

Deal found 22/10C$ 190

Wed 9/127:38 p.m. -

1 stop4h 05m

Sat 12/1210:41 a.m. -

1 stop6h 38m

Deal found 24/10C$ 192

Tue 10/113:40 p.m. -

Nonstop1h 52m

Wed 11/1110:27 a.m. -

Nonstop1h 54m

Deal found 23/10C$ 195

Thu 12/117:10 a.m. -

Nonstop1h 58m

Sun 15/117:10 p.m. -

Nonstop1h 52m

Deal found 23/10C$ 196

Thu 3/127:00 a.m. -

Nonstop1h 59m

Sun 20/1210:57 p.m. -

Nonstop1h 50m

Deal found 21/10C$ 197

Wed 18/117:10 a.m. -

Nonstop1h 58m

Sat 21/117:10 p.m. -

Nonstop1h 52m

Deal found 24/10C$ 200

Thu 19/117:10 a.m. -

Nonstop1h 58m

Mon 23/118:54 p.m. -

Nonstop1h 52m

Deal found 20/10C$ 207

Wed 9/126:30 a.m. -

1 stop5h 50m

Wed 9/122:40 p.m. -

2 stops6h 50m

Deal found 24/10C$ 218

Tue 10/1110:15 a.m. -

1 stop6h 00m

Wed 11/1112:00 p.m. -

1 stop6h 45m

Deal found 23/10C$ 220

Find flight deals from Portland to San Francisco

Round-trip from	C$ 164
One-way from	C$ 83
Popular in	March
Cheapest in	January
Average price	C$ 272

Alaska Airlines
8/12-14/12
Nonstop
3h 43m total
Portland to San Francisco

Search Deals

Alaska Airlines
24/12-31/12
Nonstop
2h 01m total
Portland to San Francisco

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 18 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 24/12

2:45 p.m.-4:46 p.m.

Nonstop2h 01m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 83

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Sat 19/12

9:30 p.m.-11:30 p.m.

Nonstop2h 00m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 83

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 24/12

5:30 a.m.-9:46 a.m.

1 stop4h 16m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 97

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 17/12

5:59 p.m.-11:43 p.m.

1 stop5h 44m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 97

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Wed 18/11

11:54 a.m.-1:46 p.m.

Nonstop1h 52m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 98

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 28/1

9:40 a.m.-4:02 p.m.

1 stop6h 22m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 113

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Mon 16/11

7:35 p.m.-11:33 p.m.

1 stop3h 58m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 113

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Sun 6/12

6:10 a.m.-1:05 p.m.

2 stops6h 55m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 120

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 17/12

5:10 a.m.-7:05 p.m.

2 stops13h 55m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 129

Quickest round-trip

PortlandSan Francisco

PDX Portland - SFO San Francisco

PDXSFO

Portland

Thu 26/11

5:30 a.m.-7:22 a.m.

Nonstop1h 52m

San Francisco

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 147

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 21 resultsSorted by cheapest first

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.

PDX-SFO

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

Prices

Airlines

Delays

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

Booking 55 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$ 248). Flying from Portland to San Francisco in March is currently the most expensive (average of C$ 437). 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?

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 evening, which can drop the price by up to 85% 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$ 241 and C$ 499 in December.
The cheapest round-trip price found within the last 5 days was C$ 164 on United Airlines (12 Dec-17 Dec).

Related info for your journey

How popular is this Portland to San Francisco flight route?
Within the past month, 1 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 52m. 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: SkyWest Airlines (89%), Horizon Air (77%), United Airlines( 74%).
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$ 248). Flying from Portland to San Francisco in March is currently the most expensive (average of C$ 437). 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

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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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Cheap flights from Portland to San Francisco from C$ 83

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portland to San Francisco

Cheapest flights from Portland to San FranciscoExplore 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 25 October 2026.

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 25 October 2026.

Best flights from Portland to San FranciscoDiscover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Discover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from Portland to San FranciscoExplore direct flight options from Portland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Explore direct flight options from Portland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from Portland to San FranciscoDiscover last-minute flight deals from Portland to San Francisco. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from Portland to San Francisco. Data last updated 25 October 2026 and is based on user searches.

One-way flights from Portland to San FranciscoSearch for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Search for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from Portland to San Francisco

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

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.

Cheapflights Insights

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

Booking 55 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?

What is the cheapest time of day to fly from PDX to SFO?

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 evening, which can drop the price by up to 85% 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$ 241 and C$ 499 in December.The cheapest round-trip price found within the last 5 days was C$ 164 on United Airlines (12 Dec-17 Dec).

Weekly flight availability from Portland to San Francisco

The most flights from PDX to SFO are scheduled on a Friday (69 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Portland to San Francisco delayed?

About 26% of weekly flights between Portland and San Francisco have experienced delays in the past year, with the average delay time being 113 minutes.

What is the most punctual flight time for Portland to San Francisco flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Portland to San Francisco flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 25% of flights being delayed.

Related info for your journey

How popular is this Portland to San Francisco flight route?

How long is the flight from Portland to San Francisco?

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

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

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

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

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

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Portland and San Francisco flights

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

Can Cheapflights 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?

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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 25 October 2026.

Best flights from Portland to San Francisco
Discover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from Portland to San Francisco
Explore direct flight options from Portland to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from Portland to San Francisco
Discover last-minute flight deals from Portland to San Francisco. Data last updated 25 October 2026 and is based on user searches.

One-way flights from Portland to San Francisco
Search for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Portland to San Francisco flights typically cost between C$ 241 and C$ 499 in December.
The cheapest round-trip price found within the last 5 days was C$ 164 on United Airlines (12 Dec-17 Dec).