Cheap flights from Portland to San Francisco from £56
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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
8 Sep — 15 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Portland to San Francisco are usually found in January or October, booked 85 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from Portland to San Francisco
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
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 9 August 2026.
Tue 15/907:03 -
Nonstop2h 04m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£108
Thu 10/910:37 -
Nonstop2h 02m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£112
Thu 3/917:53 -
Nonstop2h 01m
Mon 7/907:23 -
Nonstop1h 44m
Deal found 6/8£113
Wed 7/1007:18 -
Nonstop2h 05m
Sat 10/1014:57 -
Nonstop1h 47m
Deal found 6/8£113
Fri 11/914:42 -
Nonstop1h 55m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£114
Tue 25/807:03 -
Nonstop2h 04m
Wed 26/808:23 -
Nonstop1h 46m
Deal found 4/8£116
Wed 9/918:50 -
Nonstop1h 53m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 4/8£116
Thu 10/916:20 -
1 stop6h 30m
Mon 21/915:20 -
1 stop8h 25m
Deal found 6/8£127
Fri 11/907:00 -
1 stop6h 13m
Tue 15/906:23 -
1 stop5h 23m
Deal found 7/8£129
Thu 27/805:35 -
2 stops7h 35m
Mon 31/815:20 -
1 stop8h 20m
Deal found 6/8£130
Sat 5/910:35 -
1 stop6h 20m
Sun 6/906:05 -
1 stop6h 35m
Deal found 9/8£131
Best flights from Portland to San Francisco
Discover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 August 2026.
Wed 16/907:03 -
Nonstop2h 04m
Sat 19/911:57 -
Nonstop1h 53m
Deal found 7/8£112
Wed 9/1211:40 -
1 stop7h 40m
Thu 10/1210:55 -
1 stop7h 10m
Deal found 4/8£127
Thu 21/119:40 -
1 stop4h 01m
Thu 28/106:05 -
1 stop7h 13m
Deal found 7/8£127
Thu 21/114:30 -
Nonstop1h 53m
Thu 28/112:02 -
Nonstop1h 48m
Deal found 7/8£118
Tue 1/905:50 -
1 stop5h 15m
Tue 1/914:00 -
1 stop7h 55m
Deal found 4/8£127
Sat 5/911:20 -
1 stop7h 05m
Tue 8/905:50 -
2 stops8h 15m
Deal found 4/8£130
Mon 14/917:53 -
Nonstop2h 01m
Thu 17/915:03 -
Nonstop1h 47m
Deal found 5/8£142
Wed 2/906:55 -
2 stops7h 10m
Wed 9/908:40 -
2 stops7h 30m
Deal found 5/8£134
Sat 29/811:20 -
2 stops7h 00m
Mon 31/809:55 -
2 stops6h 40m
Deal found 7/8£134
Wed 21/1006:50 -
2 stops7h 05m
Sat 24/1012:55 -
1 stop6h 35m
Deal found 8/8£164
Thu 3/915:25 -
1 stop7h 45m
Mon 7/906:45 -
1 stop5h 20m
Deal found 6/8£171
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 9 August 2026.
Tue 15/907:03 -
Nonstop2h 04m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£108
Thu 10/914:42 -
Nonstop1h 55m
Sat 19/907:23 -
Nonstop1h 44m
Deal found 7/8£112
Thu 3/917:53 -
Nonstop2h 01m
Mon 7/907:23 -
Nonstop1h 44m
Deal found 6/8£113
Wed 7/1007:18 -
Nonstop2h 05m
Sat 10/1014:57 -
Nonstop1h 47m
Deal found 6/8£113
Fri 11/921:35 -
Nonstop1h 53m
Thu 17/907:23 -
Nonstop1h 44m
Deal found 7/8£114
Tue 25/807:03 -
Nonstop2h 04m
Wed 26/808:23 -
Nonstop1h 46m
Deal found 4/8£116
Wed 9/918:50 -
Nonstop1h 53m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 4/8£116
Thu 21/117:55 -
Nonstop1h 54m
Thu 28/119:01 -
Nonstop1h 47m
Deal found 5/8£117
Fri 11/914:42 -
Nonstop1h 55m
Tue 15/907:23 -
Nonstop1h 44m
Deal found 7/8£119
Sat 5/909:00 -
Nonstop1h 56m
Sat 12/916:34 -
Nonstop1h 51m
Deal found 8/8£131
Fri 2/1010:37 -
Nonstop2h 02m
Mon 5/1021:23 -
Nonstop1h 49m
Deal found 7/8£133
Last-minute flights from Portland to San Francisco
Discover last-minute flight deals from Portland to San Francisco. Data last updated 9 August 2026 and is based on user searches.
Tue 25/807:03 -
Nonstop2h 04m
Wed 26/808:23 -
Nonstop1h 46m
Deal found 4/8£116
Thu 27/805:35 -
2 stops7h 35m
Mon 31/815:20 -
1 stop8h 20m
Deal found 6/8£130
Thu 3/917:53 -
Nonstop2h 01m
Mon 7/907:23 -
Nonstop1h 44m
Deal found 6/8£113
Sat 5/910:35 -
1 stop6h 20m
Sun 6/906:05 -
1 stop6h 35m
Deal found 9/8£131
Sat 5/905:30 -
1 stop4h 06m
Sun 6/906:20 -
1 stop5h 25m
Deal found 9/8£132
Wed 9/918:50 -
Nonstop1h 53m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 4/8£116
Thu 10/910:37 -
Nonstop2h 02m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£112
Thu 10/912:34 -
1 stop4h 24m
Sat 12/917:38 -
1 stop4h 53m
Deal found 7/8£127
Fri 11/921:35 -
Nonstop1h 53m
Thu 17/907:23 -
Nonstop1h 44m
Deal found 7/8£114
Fri 11/914:42 -
Nonstop1h 55m
Tue 15/907:23 -
Nonstop1h 44m
Deal found 7/8£119
Fri 11/907:00 -
1 stop6h 13m
Tue 15/906:23 -
1 stop5h 23m
Deal found 7/8£129
Tue 15/907:03 -
Nonstop2h 04m
Tue 15/911:57 -
Nonstop1h 53m
Deal found 7/8£108
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 9 August 2026.
Mon 31/805:30 -
Nonstop1h 58m
Deal found 7/8£56
Sun 6/910:37 -
Nonstop2h 02m
Deal found 6/8£59
Mon 5/1009:51 -
1 stop7h 07m
Deal found 7/8£64
Sun 6/905:30 -
1 stop4h 08m
Deal found 6/8£66
Sat 29/811:20 -
2 stops7h 00m
Deal found 6/8£67
Sun 6/906:35 -
2 stops7h 35m
Deal found 4/8£70
Tue 6/1007:18 -
Nonstop2h 05m
Deal found 8/8£73
Fri 11/905:00 -
2 stops12h 55m
Deal found 7/8£74
Sun 13/907:00 -
Nonstop1h 51m
Deal found 5/8£77
Wed 7/1005:30 -
1 stop4h 08m
Deal found 8/8£81
Mon 14/909:00 -
Nonstop1h 56m
Deal found 7/8£82
Mon 31/821:35 -
Nonstop1h 53m
Deal found 4/8£83
Find 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 9 August 2026.
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 9 August 2026.
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 return flight
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 16/9
07:03-09:07
Nonstop2h 04m
San Francisco
Sat 19/9
11:57-13:50
Nonstop1h 53m
£112
Fastest return journey
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Thu 21/1
14:30-16:23
Nonstop1h 53m
San Francisco
Thu 28/1
12:02-13:50
Nonstop1h 48m
£118
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 9/12
11:40-19:20
1 stop7h 40m
San Francisco
Thu 10/12
10:55-18:05
1 stop7h 10m
£127
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Thu 21/1
19:40-23:41
1 stop4h 01m
San Francisco
Thu 28/1
06:05-13:18
1 stop7h 13m
£127
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Tue 1/9
05:50-11:05
1 stop5h 15m
San Francisco
Tue 1/9
14:00-21:55
1 stop7h 55m
£127
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Sat 5/9
11:20-18:25
1 stop7h 05m
San Francisco
Tue 8/9
05:50-14:05
2 stops8h 15m
£130
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 2/9
06:55-14:05
2 stops7h 10m
San Francisco
Wed 9/9
08:40-16:10
2 stops7h 30m
£134
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Sat 29/8
11:20-18:20
2 stops7h 00m
San Francisco
Mon 31/8
09:55-16:35
2 stops6h 40m
£134
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Mon 14/9
17:53-19:54
Nonstop2h 01m
San Francisco
Thu 17/9
15:03-16:50
Nonstop1h 47m
£142
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 21/10
06:50-13:55
2 stops7h 05m
San Francisco
Sat 24/10
12:55-19:30
1 stop6h 35m
£164
Flights are sorted by cheapest return flights first.
Deals found on 4/8
Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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?
The best time to book flights from Portland to San Francisco is 63 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, January is the cheapest month in which you can book a flight from Portland to San Francisco (average of £131). Flying from Portland to San Francisco in March is currently the most expensive (average of £224). 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 9 August 2026.
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 96% on your trip compared to booking a flight in the evening.
How much does it cost for a return flight from Portland to San Francisco?
Airfare is below average for this route at the moment.
Portland to San Francisco flights typically cost between £137 and £247 in September.The cheapest return price found within the last 5 days was £108 on Alaska Airlines (15 Sept–15 Sept).
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 9 August 2026.
The most flights from PDX to SFO are scheduled on a Saturday (56 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).
How often are flights from Portland to San Francisco delayed?
About 21% of weekly flights between Portland and San Francisco have experienced delays in the past year, with the average delay time being 112 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 have had the lowest number of delays on this route, with just 20% of flights being delayed.
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 9 August 2026.
Read through reviews of airlines operating flights from Portland to San Francisco, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
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?
You will need to book a flight from Portland to San Francisco if you want to fly from Portland to San Francisco. At least 1 airline has flights from Portland (PDX) to San Francisco (SFO) on a regular basis. There are 33 flights to San Francisco from the Portland airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PDX to SFO to be around 1h 56m.
How popular is this Portland to San Francisco flight route?
Within the past month, 8 users have taken a look at flights from Portland to San Francisco.
How long is the flight from Portland to San Francisco?
There are many flights that can get you from Portland to San Francisco in 2h 04m. Fly via Alaska Airlines, Southwest, or Delta to get the fastest option. Portland and San Francisco are separated by a distance of 550 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What is the cheapest airline to fly from Portland to San Francisco round-trip?
According to our current data, Alaska Airlines (£120), offers the cheapest pricing from Portland to San Francisco. Users have found that Alaska Airlines is 34% cheaper than the other options available to this destination.
What are the most reliable airlines from Portland to San Francisco?
No one likes to see their flight delayed. When booking a flight from Portland to San Francisco consider choosing Qantas Airways (67%), SkyWest Airlines (55%) or Icelandair (53%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portland to San Francisco?
Looking at all options, your cheapest flight can be booked for £158. While the most popular route (Portland - San Francisco) can be booked for £171 on average, our data indicates £897 when flying 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 £131). Flying from Portland to San Francisco in March is currently the most expensive (average of £224). 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.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 August 2026.
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 9 August 2026.
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.
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