Cheap Flights from Portland to San Diego from $52

Frequently Asked Questions

• What are the cheapest flights from Portland to San Diego (PDX-SAN)?

  Based on Trip.com data, Alaska Airlines offers one-way fares as low as $52 on Cheapest nonstop routes (e.g. PDX to SAN on Sat, Oct 31), while Alaska Airlines offers Cheapest nonstop round-trips from $105 departing on Sat, Oct 3 and returning on Mon, Oct 5.

• Which airlines offer direct flights from Portland to San Diego?

  At the moment, you can catch a nonstop flight from Portland to San Diego with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Portland (PDX) to San Diego (SAN) and what is the distance?

  It takes around 2 hours 58 minutes to fly from Portland (PDX) to San Diego (SAN).

• When is the best time to book flights from Portland to San Diego?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to San Diego is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Portland to San Diego?

  Based on Trip.com data in the past 4 weeks, there is 35 flight per week flying from Portland to San Diego. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS721 (09:32) Alaska Airlines: S/M/T/W/T/F/S -- AS577 (08:11)

• How can I find the best deals on flights from Portland to San Diego?

  To find best deals on flights from Portland to San Diego, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Oct 31, with one-way flights priced at just $52.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for San Diego travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Portland (PDX) to San Diego (SAN) the cheapest?

  The cheapest months to fly from Portland to San Diego is November, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Portland to San Diego on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Portland to San Diego on September 17, 2026 with Alaska Airlines, with prices starting at $105.

• Which airports can I fly into San Diego from Portland?

  You can arrive at any of the following airports in San Diego: San Diego International Airport (SAN), McClellan-Palomar Airport (CLD), and Marine Corps Air Station Miramar (NKX). Flights from Portland International Airport to San Diego International Airport (PDX-SAN) are by far the most popular option for this route.

• Is there any time difference between Portland and San Diego?

  The time difference between San Diego and Portland is 0m.

• How do I change or cancel my ticket from Portland to San Diego?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Portland to San Diego?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Portland to San Diego is $183. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Portland to San Diego?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Portland to San Diego is $207. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Portland to San Diego on Trip.com?

  Enter Portland and San Diego, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.