Question 1

How popular is this Portland to San Francisco flight route?

Accepted Answer

Within the past month, 7 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

According to our current data, Alaska Airlines (£42), Southwest (£100), and United Airlines (£103) offers the cheapest pricing from Portland to San Francisco. Users have found that Alaska Airlines is 70% cheaper than the other options available to this destination.

Question 3

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

Accepted Answer

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £36. Southwest flights start at £48 while deals on Alaska Airlines start at £52 one-way.

Question 4

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

Accepted Answer

The best time to book flights from Portland to San Francisco is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 5

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Portland to San Francisco (average of £538). Flying from Portland to San Francisco in July is currently the most expensive (average of £803). 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

Travellers seeking maximum savings on their Portland to San Francisco flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday 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 Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches 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

Looking at all options, your cheapest flight can be booked for £141. While the most popular route (Portland - San Francisco) can be booked for £150 on average our data indicates £974 when flying from Portland to San Francisco.

Question 11

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Portland to San Francisco consider choosing Air China (83%), Singapore Airlines (82%) or ANA (82%) as they are the most reliable in getting you off to your destination on time.

Question 12

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 125% 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 £119. For sooner than that we have options available in the next 3 days from £236.

Question 13

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

Accepted Answer

The best pricing can be found in the month of May. Prices to San Francisco from Portland average £140. You can even find prices in May for less than £140, as users have found deals to San Francisco from as low as £31. 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 78%.

Question 14

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to San Francisco as you normally would.

Question 15

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 holiday packages that include both flights and hotel.

Question 16

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 17

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 18

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

Accepted Answer

Deals for Portland to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 19

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

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to San Francisco.

Question 20

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

Accepted Answer

Yes, we can. To see specific flights from Portland to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 21

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

Accepted Answer

Yes! Start tracking prices for Portland to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£42
One-way from	£36
Popular in	March
Cheapest in	May
Average price	£104

Cheap flights from Portland to San Francisco from £36

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 23/1. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 17 January 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 17 January 2025.

Find flights from Portland to San Francisco within your budget

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.

Travel insights for flights from Portland to San Francisco

Get recent, data-driven insights about flights from Portland to San Francisco including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Portland to San Francisco. Price data was last updated on 10 January 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 17 January 2025.

Weekly flight availability from Portland to San Francisco

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

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?

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 Portland?

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.

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 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?

100% Free

Book with Flexibility

Travel Smart

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 17 January 2025.