Cheap flights from Portland to San Francisco 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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
11 Jan — 18 Jan1
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 August, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from Portland to San Francisco
Enter your travel dates to find the best prices.
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 12 December 2025.
Wed 31/1214:47PDX - SFO
1 stop4h 49mAlaska Airlines
Sat 3/117:42SFO - PDX
1 stop6h 30mAlaska Airlines
Deal found 10/12£131
Wed 31/1207:15PDX - SFO
Nonstop2h 02mAlaska Airlines
Sun 4/122:35SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 10/12£162
Tue 30/1221:50PDX - SFO
Nonstop1h 59mAlaska Airlines
Thu 1/111:53SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 10/12£177
Wed 31/1207:15PDX - SFO
Nonstop2h 02mAlaska Airlines
Fri 2/115:07SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 10/12£181
Tue 23/1207:15PDX - SFO
Nonstop2h 02mAlaska Airlines
Tue 6/107:45SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 9/12£181
Wed 17/1217:50PDX - SFO
Nonstop1h 55mAlaska Airlines
Tue 6/119:20SFO - PDX
Nonstop1h 51mAlaska Airlines
Deal found 9/12£184
Tue 23/1207:15PDX - SFO
Nonstop2h 02mAlaska Airlines
Wed 31/1222:35SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 9/12£193
Wed 17/1210:36PDX - SFO
Nonstop1h 53mAlaska Airlines
Wed 31/1222:35SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 9/12£196
Tue 23/1219:30PDX - SFO
1 stop5h 02mDelta
Tue 6/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 9/12£196
Wed 17/1205:30PDX - SFO
1 stop4h 03mDelta
Tue 6/118:30SFO - PDX
1 stop5h 47mDelta
Deal found 9/12£199
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 12 December 2025.
Tue 6/105:30PDX - SFO
1 stop4h 05mDelta
Sat 10/114:39SFO - PDX
1 stop4h 11mDelta
Deal found 11/12£114
Tue 27/114:30PDX - SFO
Nonstop1h 52mAlaska Airlines
Fri 30/107:00SFO - PDX
1 stop5h 38mAlaska Airlines
Deal found 12/12£114
Wed 7/107:10PDX - SFO
1 stop6h 28mDelta
Sat 10/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 11/12£114
Wed 14/110:33PDX - SFO
Nonstop1h 50mAlaska Airlines
Sun 18/107:00SFO - PDX
1 stop5h 38mAlaska Airlines
Deal found 10/12£114
Tue 27/107:10PDX - SFO
1 stop6h 33mDelta
Sat 31/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 11/12£114
Sat 14/307:05PDX - SFO
Nonstop2h 03mAlaska Airlines
Tue 17/306:30SFO - PDX
1 stop4h 16mAlaska Airlines
Deal found 12/12£117
Mon 16/314:47PDX - SFO
Nonstop1h 57mAlaska Airlines
Wed 18/311:30SFO - PDX
Nonstop1h 49mAlaska Airlines
Deal found 10/12£117
Sun 15/321:48PDX - SFO
Nonstop1h 56mAlaska Airlines
Tue 17/307:50SFO - PDX
Nonstop1h 52mAlaska Airlines
Deal found 10/12£117
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 12 December 2025.
Sat 10/116:14PDX - SFO
Nonstop1h 49mAlaska Airlines
Sun 11/111:36SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 10/12£117
Thu 5/307:05PDX - SFO
Nonstop2h 03mAlaska Airlines
Thu 5/311:41SFO - PDX
Nonstop1h 56mAlaska Airlines
Deal found 10/12£121
Thu 1/119:45PDX - SFO
Nonstop1h 58mUnited Airlines
Tue 6/112:58SFO - PDX
Nonstop1h 57mUnited Airlines
Deal found 10/12£122
Sat 14/207:05PDX - SFO
Nonstop2h 03mAlaska Airlines
Wed 25/211:41SFO - PDX
Nonstop1h 56mAlaska Airlines
Deal found 10/12£122
Thu 19/214:47PDX - SFO
Nonstop1h 57mAlaska Airlines
Thu 26/211:41SFO - PDX
Nonstop1h 56mAlaska Airlines
Deal found 9/12£125
Thu 12/321:48PDX - SFO
Nonstop1h 56mAlaska Airlines
Sun 15/307:50SFO - PDX
Nonstop1h 52mAlaska Airlines
Deal found 12/12£125
Wed 18/307:00PDX - SFO
Nonstop1h 49mAlaska Airlines
Wed 18/311:30SFO - PDX
Nonstop1h 49mAlaska Airlines
Deal found 10/12£131
Fri 16/107:20PDX - SFO
Nonstop1h 51mAlaska Airlines
Thu 7/508:00SFO - PDX
Nonstop1h 49mAlaska Airlines
Deal found 10/12£132
Tue 6/117:50PDX - SFO
Nonstop1h 59mAlaska Airlines
Sat 10/121:42SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 11/12£134
Wed 6/517:30PDX - SFO
Nonstop1h 49mAlaska Airlines
Wed 6/521:35SFO - PDX
Nonstop1h 45mAlaska Airlines
Deal found 10/12£135
Sun 25/107:20PDX - SFO
Nonstop1h 51mAlaska Airlines
Sun 25/111:36SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 10/12£139
Thu 9/417:30PDX - SFO
Nonstop1h 49mAlaska Airlines
Sat 11/418:50SFO - PDX
Nonstop1h 48mAlaska Airlines
Deal found 10/12£140
Last-minute flights from Portland to San Francisco
Discover last-minute flight deals from Portland to San Francisco. Data last updated 12 December 2025 and is based on user searches.
Thu 1/119:45PDX - SFO
Nonstop1h 58mUnited Airlines
Tue 6/112:58SFO - PDX
Nonstop1h 57mUnited Airlines
Deal found 10/12£122
Tue 6/117:15PDX - SFO
1 stop6h 13mDelta
Thu 8/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 9/12£121
Wed 7/117:15PDX - SFO
1 stop6h 13mDelta
Sat 10/114:39SFO - PDX
1 stop6h 20mDelta
Deal found 10/12£114
Wed 7/107:25PDX - SFO
2 stops8h 05mSouthwest
Sat 10/107:55SFO - PDX
1 stop6h 40mSouthwest
Deal found 10/12£122
Wed 7/117:35PDX - SFO
1 stop5h 28mAlaska Airlines
Wed 14/116:46SFO - PDX
1 stop4h 01mAlaska Airlines
Deal found 10/12£124
Thu 8/110:33PDX - SFO
Nonstop1h 50mAlaska Airlines
Sat 10/116:46SFO - PDX
1 stop6h 00mAlaska Airlines
Deal found 10/12£125
Sat 10/116:14PDX - SFO
Nonstop1h 49mAlaska Airlines
Sun 11/111:36SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 10/12£117
Tue 13/106:00PDX - SFO
1 stop5h 50mSouthwest
Tue 20/111:30SFO - PDX
2 stops9h 00mSouthwest
Deal found 10/12£117
Tue 20/109:00PDX - SFO
2 stops7h 55mSouthwest
Wed 21/109:55SFO - PDX
2 stops9h 20mSouthwest
Deal found 11/12£120
Sat 24/110:33PDX - SFO
Nonstop1h 50mAlaska Airlines
Sat 24/114:30SFO - PDX
1 stop6h 17mAlaska Airlines
Deal found 10/12£113
Sat 24/112:30PDX - SFO
1 stop7h 35mSouthwest
Tue 27/105:30SFO - PDX
1 stop6h 15mSouthwest
Deal found 11/12£119
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 12 December 2025.
Sat 17/115:52PDX - SFO
Nonstop1h 57mUnited Airlines
Deal found 10/12£55
Tue 13/114:15PDX - SFO
1 stop7h 35mSouthwest
Deal found 10/12£57
Tue 6/107:25PDX - SFO
2 stops8h 05mSouthwest
Deal found 11/12£60
Tue 10/307:05PDX - SFO
1 stop6h 57mAlaska Airlines
Deal found 10/12£62
Mon 12/113:35PDX - SFO
Nonstop1h 58mUnited Airlines
Deal found 10/12£63
Sat 10/106:10PDX - SFO
2 stops7h 40mSouthwest
Deal found 10/12£66
Mon 12/117:35PDX - SFO
1 stop4h 23mAlaska Airlines
Deal found 10/12£69
Fri 13/313:30PDX - SFO
1 stop5h 45mSouthwest
Deal found 10/12£70
Mon 12/106:20PDX - SFO
2 stops8h 00mSouthwest
Deal found 10/12£74
Fri 27/317:36PDX - SFO
1 stop6h 17mDelta
Deal found 10/12£78
Sat 14/207:05PDX - SFO
Nonstop2h 03mAlaska Airlines
Deal found 9/12£79
Wed 31/1219:45PDX - SFO
Nonstop1h 58mUnited Airlines
Deal found 10/12£81
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 12 December 2025.
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 12 December 2025.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.
Fly from
Portland
Fly to
San Francisco
Route
Depart
Return
Price
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 6/1
05:30-09:35
1 stop4h 05m
San Francisco
Sat 10/1
14:39-18:50
1 stop4h 11m
£114
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 27/1
14:30-16:22
Nonstop1h 52m
San Francisco
Fri 30/1
07:00-12:38
1 stop5h 38m
£114
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 7/1
07:10-13:38
1 stop6h 28m
San Francisco
Sat 10/1
06:00-10:07
1 stop4h 07m
£114
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 14/1
10:33-12:23
Nonstop1h 50m
San Francisco
Sun 18/1
07:00-12:38
1 stop5h 38m
£114
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 27/1
07:10-13:43
1 stop6h 33m
San Francisco
Sat 31/1
06:00-10:07
1 stop4h 07m
£114
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 14/3
07:05-09:08
Nonstop2h 03m
San Francisco
Tue 17/3
06:30-10:46
1 stop4h 16m
£117
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Mon 16/3
14:47-16:44
Nonstop1h 57m
San Francisco
Wed 18/3
11:30-13:19
Nonstop1h 49m
£117
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sun 15/3
21:48-23:44
Nonstop1h 56m
San Francisco
Tue 17/3
07:50-09:42
Nonstop1h 52m
£117
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 31/1
17:51-19:43
Nonstop1h 52m
£55
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sat 14/2
19:57-21:50
Nonstop1h 53m
£55
Flights are sorted by cheapest return flights first.
Deals found on 11/12
Showing 1-10 of 18 results
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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.
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?
Use this chart to determine the optimal time to book a return flight from Portland to San Francisco. Price data was last updated on 5 December 2025.
The best time to book flights from Portland to San Francisco is 86 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 £27). Flying from Portland to San Francisco in March is currently the most expensive (average of £99). 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 12 December 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 94% on your trip compared to booking a flight in the evening.
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 12 December 2025.
The most flights from PDX to SFO are scheduled on a Friday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).
How often are flights from Portland to San Francisco delayed?
About 15% of weekly flights between Portland and San Francisco have experienced delays in the past year, with the average delay time being 114 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 Wednesday 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 14% 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 12 December 2025.
Read through reviews of airlines operating flights from Portland to San Francisco, such as Alaska Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
My family especially liked the leg room and comfortable seats.
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?
You will need to book a flight from Portland to San Francisco if you want to fly from Portland to San Francisco. At least 2 different airlines have flights from Portland (PDX) to San Francisco (SFO) on a regular basis. There are 38 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 2h 01m.
How popular is this Portland to San Francisco flight route?
Within the past month, 17 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 1h 50m. Fly via Alaska Airlines or Southwest 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 are the cheapest airlines flying from Portland to San Francisco round-trip?
According to our current data, Frontier (£28), and Alaska Airlines (£58) offers the cheapest pricing from Portland to San Francisco. Users have found that Frontier is 82% 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 Fiji Airways (84%), Cathay Pacific (83%) or Lufthansa (82%) 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 £121. While the most popular route (Portland - San Francisco) can be booked for £118 on average, our data indicates £154 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 £27). Flying from Portland to San Francisco in March is currently the most expensive (average of £99). 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.
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Top 2 airlines flying from Portland to San Francisco
Discover the top 2 airlines 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 12 December 2025.
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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