United Airlines
Every day
starting at $283
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Portland to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Portland to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Portland to San Francisco is United Airlines. Flights operate every day.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
United Airlines
Every day
starting at $283
The cost of a one-way flight from Portland to San Francisco ranges from $52 (July 2026) to $132 (September 2026). On average, the ticket price is about $92–$132.
Portland — San Francisco
08/03/2026
Departure
Direct flight
AS2112
starting at $427
Portland — San Francisco
07/26/2026
Departure
Direct flight
AS236
starting at $228
Portland — San Francisco
07/27/2026
Departure
Direct flight
AS237
starting at $158
Portland — San Francisco
07/28/2026
Departure
Direct flight
AS236
starting at $370
Portland — San Francisco
09/14/2026
Departure
Direct flight
AS1374
starting at $164
Portland — San Francisco
08/03/2026
Departure
Direct flight
AS526
starting at $194
Flights from Portland to San Francisco are operated by several airlines — Alaska Airlines, United Airlines, and Frontier Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $110, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest flight ticket from Portland to San Francisco according to data for the last 48 hours costs $110
Often the best time to buy tickets from Portland to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Portland to San Francisco can be found flying in these months: July, September.
The fastest flights from Portland to San Francisco start from 1 hour 46 minutes in the air.
The following airlines operate direct flights on the route Portland — San Francisco: Alaska Airlines
The cheapest one-way flight from Portland to San Francisco departs on 09/13/2026, is operated by United Airlines and costs $110
The cheapest roundtrip flight from Portland to San Francisco departs on 09/05/2026, is operated by Alaska Airlines and costs $132
Fastest flight from Portland to San Francisco takes 1h 46m
There are direct flights on this route 3 days a week: Su, Mo, and Tu
The distance between Portland and San Francisco is 868km (538 miles). There are 118 direct flights from Portland to San Francisco. Portland and San Francisco are in the same time zone. Flights from Portland begin at 5:15 AM. The latest flight from Portland departs at 9:45 PM
We couldn't find any special offers for flights from Portland to San Francisco
