Cheap flights from Portland to San Francisco from £50
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 30/8. 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 Wednesday or Thursday and return on a Thursday
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 1 July 2025.
Round-trip from | £100 |
---|---|
One-way from | £50 |
Popular in | March |
Cheapest in | January |
Average price | £134 |
Good round-trip deal | £62 or less |
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 1 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 1 July 2025.
Cheapflights Fare Finder
Customise 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 858,174 searches. Data last updated 1 July 2025.
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
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 13/8
07:04-08:53
Nonstop1h 49m
San Francisco
Sat 16/8
08:00-09:45
Nonstop1h 45m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 28/8
10:30-12:25
Nonstop1h 55m
San Francisco
Thu 4/9
08:00-09:47
Nonstop1h 47m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 13/8
16:55-23:11
1 stop6h 16m
San Francisco
Sat 16/8
05:55-10:34
1 stop4h 39m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sun 17/8
07:37-09:28
Nonstop1h 51m
San Francisco
Sat 23/8
18:50-20:37
Nonstop1h 47m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 16/8
07:25-17:25
1 stop10h 00m
San Francisco
Wed 20/8
07:00-13:40
2 stops6h 40m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 30/8
07:45-09:38
Nonstop1h 53m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 3/9
13:24-20:20
1 stop6h 56m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Mon 29/9
12:40-19:48
1 stop7h 08m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 29/7
06:30-14:35
2 stops8h 05m
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 30/7
17:55-19:48
Nonstop1h 53m
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 return flight from Portland to San Francisco. Price data was last updated on 27 June 2025.
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.
What is the cheapest month to book a flight from Portland to San Francisco?
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.
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 1 July 2025.
A simple way to save on the total cost of your ticket is to fly from Portland to San Francisco at midday. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the afternoon.
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 1 July 2025.
The most flights from PDX to SFO are scheduled on a Friday (68 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 on average).
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 1 July 2025.
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.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
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.
Travelling to a place near Portland?
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Alternative routes for Portland to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Portland to San Francisco
Discover the top airline 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 858,174 searches. Data last updated 1 July 2025.
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?
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.
Why should you use Cheapflights to find cheap flight tickets from Portland to San Francisco?
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.
Can Cheapflights find flights from Portland to San Francisco with no change fees?
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.
Can Cheapflights notify me if prices for flights from Portland to San Francisco become cheaper?
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.