107 € Cheap Flights from Portland to San Diego International

Compare Portland to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

Book the best San Diego International fare with no extra fees

Flight deals from Portland to San Diego International

Looking for a cheap last-minute deal or the best return flight from Portland to San Diego International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to San Diego International flights are currently cheapest in August.

Direct flights from Portland to San Diego International

Portland to San Diego International: Alternative routes

Compare routes from Portland to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Portland to San Diego: Flight information

The things to know before you go.
Cheapest flight found107 €
Cheapest month to flyAugust
Average flight time2 hrs, 34 mins
Most popular airlineHawaiian Airlines
Average flights per week104

Finding cheap flights from Portland to San Diego International: Frequently asked questions

The best price we found for a return flight from Portland to San Diego International is 107 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 34 minutes is the average flight time from Portland to San Diego International.
Hawaiian Airlines, Alaska Airlines and Japan Airlines fly direct from Portland to San Diego International.
As of July 2025, there are 104 flights per week flying from Portland to San Diego International.
The cheapest month to fly from Portland to San Diego International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to San Diego International Airport on Tuesday, 19 August 2025.
Yes – the average flight time is 2 hours and 34 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines and Hawaiian Airlines offer the cheapest flight tickets to San Diego International.

Flying from Portland International Airport (PDX) to San Diego International Airport (SAN): what you need to know

  • Hop on a direct flight from Portland International Airport to San Diego International Airport and you'll be in the air for an average of 2 hours 30 minutes.

  • Portland and San Diego are in the same timezone, UTC-7.

  • Take your pick of 39 weekly Portland International Airport to San Diego International Airport flights. The 06:00 departure with Alaska Airlines is the earliest flight available. Alaska Airlines operates the latest service of the day at 21:32.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your PDX to SAN flight.

  • You can expect longer lines in popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • You'll find a variety of airlines offering direct flights from Portland International Airport to San Diego International Airport. When you're ready to start your San Diego adventure, let one of these carriers transport you to this unmissable part of United States:

  • Alaska Airlines is the airline with the highest passenger demand for this route.

  • With 72.73% of its services arriving as scheduled, Alaska Airlines is the most punctual carrier offering PDX to SAN flights.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Portland International Airport to San Diego International Airport. These are the top stopovers between PDX and SAN:

    • Sacramento International Airport

    • Norman Y. Mineta San Jose International Airport

    • Metropolitan Oakland International Airport

How to find the cheapest flights from Portland International Airport (PDX) to San Diego International Airport (SAN)

  • The cheapest price we've seen for a one-way Portland International Airport to San Diego International Airport flight is 44 €. A return plane ticket is currently 107 €. Depending on the availability when you book, these fares may change.

  • Book six months before travelling. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from PDX to SAN.

  • The cheapest month for flights from Portland International Airport to San Diego International Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • Stay on top of deals for cheap flights from PDX to SAN by setting up a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Lock in the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Portland International Airport to San Diego International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport scores high marks for on-time performance. 83.65% of flights that take off from PDX arrive at their destination as scheduled.

  • To get to Portland International Airport from central Portland, it'll take about 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a journey time of around 45 minutes.

  • Get your break off to a leisurely start by staying near PDX. Whether you're taking an early flight from Portland International Airport to San Diego International Airport or just don't want to be rushed, these stays are perfect:

Arriving at San Diego International Airport (SAN)

Getting from San Diego International Airport (SAN) to central San Diego

  • You'll find SAN at Airport Drive.

  • San Diego International Airport is roughly 5 kilometres from central San Diego. The drive time takes about 10 minutes.

  • If you're taking public transport, expect a journey time of roughly 20 minutes.

When to fly to San Diego International Airport (SAN)

  • It's time to pick your travel dates for your flight from Portland International Airport to San Diego International Airport. July is the busiest month to visit San Diego. If you prefer a more relaxed vibe, go in May.

  • Book your flight from Portland International Airport to San Diego International Airport for August if you want to visit San Diego during its warmest month. Expect temperatures of between 17ºC (63ºF) and 28ºC (82ºF).

  • If you want cooler conditions, search for a cheap ticket from PDX to SAN in February. Average temperatures are between 7ºC (45ºF) and 23ºC (73ºF) then.

Explore more of United States

  • San Diego has its own special appeal, but there are so many other parts of United States you'll want to see. Around 177 kilometres north-west of San Diego, a trip to Los Angeles will keep your itinerary busy. Start with leading sights like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in United States. No visit is complete without checking out Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.