Trip.com
>
Flights
>
United States
>
California
>
Flights to San Francisco
Hotels in San Francisco
>
Cheap Flights from Portland to San Francisco

Popular airlines from Portland to San Francisco

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Alaska Airlines logo Alaska Airlines United Airlines logo United Airlines

Cheap Flights from Portland to San Francisco starting at S$ 62

Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Portland to San Francisco

Cheapest one-way flight price S$ 61
Cheapest return ticket price S$ 112
Off-season for travel May
Peak season for travel March
Flight distance 886.36km
Average flight time 1 hour 49 minutes
Popular airline Alaska Airlines

Cheapest time to fly from Portland to San Francisco

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search
  • 8 15
  • 15 22
  • 22 29

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Portland (PDX) to San Francisco (SFO) the cheapest?

    Airlines adjust prices for flights from Portland to San Francisco based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Portland (PDX) to San Francisco (SFO) cost?

    According to Trip.com's data, the lowest price is around S$ 313.

  • How long is a flight from Portland (PDX) to San Francisco (SFO)?

    It takes about 1 hour 49 minutes to fly from Portland (PDX) to San Francisco (SFO).

  • What are the most popular airlines that fly from Portland (PDX) to San Francisco (SFO)?

  • How many airports in San Francisco?

    There are 1 airports near San Francisco: San Francisco International Airport.

How to find a cheap flight from Portland to San Francisco

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to San Francisco. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from Portland to San Francisco.
Tap 'Date' on the flight search bar to browse the calendar for Portland to San Francisco airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Mon, Jul 14, with one-way flights starting at S$ 62.
2
Compare cheap flight deals from hundreds of airlines for Portland to San Francisco flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Portland to San Francisco. The cheapest flight at the moment is with Frontier Airlines.
3
Set up a Price Alert
Set up a Price Alert for your Portland to San Francisco flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for Portland to San Francisco flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Portland to San Francisco to get your exclusive deals.

Find Cheap Flights & Deals on Trip.com

  • Popular Flights to San Francisco
  • Popular Airlines to San Francisco
  • Popular Routes From Portland
  • Popular San Francisco Hotels