Portland to San Francisco flights
The cheapest round trip we found from Portland to San Francisco is $185 (Dec 10 – 16, Nonstop), 35% below the usual $286.
PDX to SFO · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $325 |
| December 2026 | $185 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | $246 |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | $407 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 10 – 16 6 nights · leave Thu$185 −35% vs usual$185 −35% vs usual Book
Alaska Airlines Nonstop · 1h 56m -
Feb 5 – 7, 2027 2 nights · leave Fri$246 −14% vs usual$246 −14% vs usual Book
Alaska Airlines 1 stop · 1h 53m
-
Dec 3 – 13 10 nights · leave Thu$292$292 Book
Frontier Airlines 1 stop · 4h 04m -
Nov 20 – 22 2 nights · leave Fri$501 +75% vs usual$501 +75% vs usual Book
Alaska Airlines 1 stop · 1h 55m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in San Francisco
One Go City pass for Golden Gate Bay Cruise, Exploratorium, Filoli and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–5 days from $109 See pass
- Explorer Pass Pick 2–5 of 25 attractions from $89 See pass
- Essentials Pass A few top attractions, chosen as you go from $74 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
San Francisco · Dec 10 – 16Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from Portland
-
-
- Ontario $198 −24%
-
-
-
- Long Beach $255
-
Flights to San Francisco from other cities
-
- Ontario $45 −67%
-
-
-
-
Portland to San Francisco: questions
How much does a flight from Portland to San Francisco cost?
The cheapest round trip we have found right now is $185, leaving December 10 and returning December 16. The usual price on this route is about $286, so this fare is 35% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Portland to San Francisco?
December 2026, with round trips from $185. The most expensive month in our data is May (from $407). Based on the 4 months ahead we have prices for.
Which airports do Portland to San Francisco flights use?
Portland airports include Portland International (PDX). San Francisco airports include San Francisco International (SFO). The prices on this page cover every airport in both cities (PDX and SFO are the city codes).
About this route
We track round-trip economy fares from Portland (United States) to San Francisco (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $185, departing December 10 and returning December 16 on a nonstop flight, about 35% below the usual $286. The cheapest month to fly in our data is December, from $185. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.