Question 1

How popular is this San Francisco to Portland flight route?

Accepted Answer

Within the past month, 12 users have taken a look at flights from San Francisco to Portland.

Question 2

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

Accepted Answer

Cheapflights users have booked flights from San Francisco to Portland round-trip from £91. Other airlines that can offer you cheap pricing are United Airlines, from £110, and Delta, from £117. You may be able to fly from San Francisco to Portland for 38% less than the average price by searching for these airlines.

Question 3

What are the cheapest airlines to fly from San Francisco to Portland 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 £55. Hawaiian Airlines flights start at £58 while deals on Delta start at £59 one-way.

Question 4

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

Accepted Answer

The best time to book flights from San Francisco to Portland is 34 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 San Francisco to Portland?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from San Francisco to Portland (average of £736). Flying from San Francisco to Portland in July is currently the most expensive (average of £1,048). 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 San Francisco to Portland?

Accepted Answer

Travellers seeking maximum savings on their San Francisco to Portland flight should consider departing on Friday 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 San Francisco to Portland

Accepted Answer

The most flights from SFO to PDX are scheduled on a Friday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 10

What are the cheapest flights from San Francisco to Portland?

Accepted Answer

On average you can expect to pay £94 for a flight from San Francisco to Portland. The cheapest flight overall is £88 while the most popular route, (San Francisco - Portland) is currently priced at £117.

Question 11

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

Accepted Answer

Before booking your flight to Portland from San Francisco, check out the most reliable airlines to get you to your destination on time: Frontier (88%), Singapore Airlines (87%), Asiana Airlines( 86%).

Question 12

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

Accepted Answer

Users have found that flying from San Francisco to Portland on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Question 13

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

Accepted Answer

Travelers have found it’s best to book a flight 35 days in advance to save up to 127% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San Francisco to Portland 1-2 weeks in advance for as low as £148, or £216 for flights within the next 24 hours.

Question 14

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

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to Portland from San Francisco. Users have commonly found prices around £147 for the month, but tickets can be as low as £28. Due to multiple factors, prepare for potentially higher prices in March.

Question 15

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

Accepted Answer

When flying from San Francisco to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 41% versus a flight at midday.

Question 16

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

Accepted Answer

Portland is the airport most travelers will use when flying to Portland from San Francisco. Booking flights from San Francisco (SFO) to Portland (PDX) should be relatively easy as there are 58 daily flights to Portland from 2 different airlines. 1h 49m is how long a flight from San Francisco to Portland will take if you book a nonstop flight.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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

Accepted Answer

Deals for San Francisco to Portland 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 21

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

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 San Francisco to Portland.

Question 22

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

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Portland, users can toggle the no change fees filter when performing a flight search.

Question 23

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

Accepted Answer

Yes! Start tracking prices for San Francisco to Portland 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	£91
One-way from	£55
Popular in	March
Cheapest in	January
Average price	£163
Good one-way deal	£94 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest£49	Average£117	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Alaska Airlines	Cheapest£120	Average£161	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights

Cheap flights from San Francisco to Portland from £55

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Portland are usually found in January or December, booked 34 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from San Francisco to Portland

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Find flight deals from San Francisco to Portland

Cheapest flights from San Francisco to PortlandExplore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Francisco to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Portland. Price data was last updated on 11 July 2025.

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

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

Find hourly flight availability from San Francisco to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

Weekly flight availability from San Francisco to Portland

Explore weekly flight availability from San Francisco to Portland. 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 18 July 2025.

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Alaska Airlines, Southwest, andDelta from San Francisco to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How popular is this San Francisco to Portland flight route?

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

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

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

What are the cheapest flights from San Francisco to Portland?

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

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

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

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

Travelling to a place near Portland?

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Alternative routes for San Francisco to Portland

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Top 2 airlines flying from San Francisco to Portland

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

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

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

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

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Cheapest flights from San Francisco to Portland
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.