There are most likely no direct flights on the Portland — San Francisco route
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.
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There are most likely no direct flights on the Portland — San Francisco route
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Portland to San Francisco
Portland — San Francisco
10/01/2026
Departure
Direct flight
UA1777
starting at $477
starting at $477
starting at $290
Flights from Portland to San Francisco are operated by several airlines — United Airlines and Southwest Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $290, 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 $290
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: October.
The fastest flights from Portland to San Francisco start from 12 hours 15 minutes in the air.
The following airlines operate direct flights on the route Portland — San Francisco: United Airlines
The cheapest one-way flight from Portland to San Francisco departs on 10/01/2026, is operated by Southwest Airlines and costs $290
There is no information about the cheapest roundtrip flight from Portland to San Francisco
Fastest flight from Portland to San Francisco takes 12h 15m
There are direct flights on this route 1 day a week: Th
The distance between Portland and San Francisco is 4367km (2708 miles). There are 2 direct flights from Portland to San Francisco. The time difference between Portland and San Francisco is 3h. Flights from Portland begin at 6:00 AM. The latest flight from Portland departs at 7:50 AM
We couldn't find any special offers for flights from Portland to San Francisco