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Cheap flights SFO to PDX

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See how Kayak, Priceline, and CheapoTrav stack up on headline fares, fees, and final all-in price.

About Cheap Flights from San Francisco to Portland

San Francisco (SFO) to Portland (PDX) spans about 551 miles, with an estimated nonstop flight time of 1h 40m. Airlines based at San Francisco or Portland include United Airlines, Alaska Airlines. Because most routes are served by more than one carrier, travelers who compare fares and stay flexible on dates can often find lower prices than the average published fare.

When to Book San Francisco to Portland Flights

Booking a few weeks to a couple of months in advance typically yields meaningful savings versus last-minute fares. Midweek departures (Tuesday and Wednesday) are often cheaper than Friday or Sunday travel, though this varies by season and demand. Travelers who set fare alerts and remain flexible with their departure time — particularly opting for early-morning or late-evening departures — unlock additional savings. Call our travel desk to lock in phone-only fares for this route.

Why Book with CheapoTrav?

  • No booking fees on flights booked through our travel desk
  • Bundle your flight with hotels and car rentals in one phone booking
  • 24/7 phone travel desk for real human support
  • Compare itineraries across major airlines in real time
  • Access to unpublished and partner-only phone fares not listed online

How CheapoTrav Compares to Kayak & Priceline

Travelers often start their search on Kayak or Priceline, but the final price can differ once partner fees, Express Deal restrictions, and change policies are factored in. Read our Kayak vs Priceline comparison to see which site wins on research, booking, bundles, and all-in cost — and why CheapoTrav frequently beats both on final price.

Frequently Asked Questions

How long is the flight from San Francisco to Portland?

Nonstop flights from San Francisco to Portland take an estimated 1h 40m, based on great-circle distance. Connecting flights typically add 2–4 hours depending on the layover.

Are there nonstop flights from San Francisco to Portland?

Nonstop availability changes by season and day of week. Set the stops filter to "Nonstop" in the results above to see whether this route has direct service on your dates; if it doesn't, one-stop itineraries through a carrier hub are usually the fastest option.

How many stops will my San Francisco to Portland itinerary have?

Every itinerary above shows its stop count and layover airports before you commit. One stop is common on longer routes; two stops usually appear only on the cheapest fares, where the extra connection is the trade-off for the lower price.

Why are some San Francisco to Portland fares phone-only?

Consolidator and partner contracts let us sell certain San Francisco to Portland fares below the price airlines allow us to publish online, so those tickets can only be quoted and booked over the phone. Call our travel desk and an agent will check phone-only inventory for your dates — there are no booking fees.

What is the cheapest day to fly San Francisco to Portland?

Midweek departures (Tuesday and Wednesday) are often cheaper than weekend travel on most routes, though exact savings vary by season and demand. Call our travel desk for current fare trends on this route.

How far in advance should I book a San Francisco to Portland flight?

For the best fares, aim to book a few weeks to a couple of months before departure. Booking very last-minute (within a week) or extremely far in advance generally results in higher prices.