Question 1

How popular is this Portland to San Francisco flight route?

Accepted Answer

Within the past month, 23 users have taken a look at flights from Portland to San Francisco.

Question 2

What are the cheapest airlines flying from Portland to San Francisco round-trip?

Accepted Answer

Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at C$ 133. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at C$ 174 and C$ 188, respectively. United Airlines is priced at 50% lower than the current average price of a flight leaving 3 months from now.

Question 3

What are the cheapest airlines to fly from Portland to San Francisco one-way?

Accepted Answer

One-way options have recently been found by users for as low as C$ 95 on Delta. Other airlines that offer cheap prices include Southwest from C$ 104 and Alaska Airlines from C$ 107 one-way.

Question 4

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

Accepted Answer

Booking 71 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.

Question 5

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

Accepted Answer

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.

Question 6

What is the cheapest day to fly from Portland to San Francisco?

Accepted Answer

Travelers seeking maximum savings on their Portland to San Francisco flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Portland to San Francisco

Accepted Answer

The most flights from PDX to SFO are scheduled on a Tuesday (67 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

What are the cheapest flights from Portland to San Francisco?

Accepted Answer

While on average a flight from Portland to San Francisco is generally C$ 1,122, our data shows the cheapest flight currently is C$ 437. When looking at the most popular route, (Portland - San Francisco), you can expect to pay C$ 579 for that flight.

Question 11

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

Accepted Answer

Before booking your flight to San Francisco from Portland, check out the most reliable airlines to get you to your destination on time: Emirates (100%), SkyWest Airlines (99%), Iberia( 95%).

Question 12

What is the cheapest day to fly round-trip from Portland to San Francisco?

Accepted Answer

Sunday flights are generally found to be more expensive for flights from Portland to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

Question 13

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 84% on flights from Portland to San Francisco compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 243. For sooner than that we have options available in the next 3 days from C$ 451.

Question 14

What is the cheapest month to fly from Portland to San Francisco?

Accepted Answer

The best pricing can be found in the month of January. Prices to San Francisco from Portland average C$ 268. You can even find prices in January for less than C$ 268, as users have found deals to San Francisco from as low as C$ 49. The month of March appears to be one of the more expensive times to travel to San Francisco from Portland. Flying in the targeted month can save you up to 57%.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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 2h 01m for a nonstop flight. There are 50 flights from Portland to San Francisco per day from 2 airlines.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

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!

Question 22

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

Accepted Answer

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

Question 23

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

Accepted Answer

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.

Round-trip from	C$ 133
One-way from	C$ 95
Popular in	March
Cheapest in	January
Average price	C$ 291
Good round-trip deal	C$ 841 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	CheapestC$ 72	AverageC$ 198	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Alaska Airlines	CheapestC$ 155	AverageC$ 307	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

Cheap flights from Portland to San Francisco from C$ 95

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheap flight deals from Portland to San Francisco

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Find 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 29 July 2025.

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 29 July 2025.

Cheapflights Fare Finder

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

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 25 July 2025.

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?

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 29 July 2025.

Weekly flight availability from Portland to San Francisco

Explore weekly flight availability from Portland to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Portland to San Francisco, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this Portland to San Francisco flight route?

What are the cheapest airlines flying from Portland to San Francisco round-trip?

What are the cheapest airlines to fly from Portland to San Francisco one-way?

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

What are the cheapest flights 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?

Travelling to a place near San Francisco?

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Alternative routes for Portland to San Francisco

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Top 2 airlines flying from Portland to San Francisco

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

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 29 July 2025.