PDX vs Portland International Airport: What's the Difference?

If you are booking a trip to Oregon, you have probably seen the destination written a few different ways: PDX, Portland International Airport, the Portland airport, or simply the Portland Oregon airport. It is easy to wonder whether these are different places or different terminals. They are not. Here is the short answer, followed by everything you actually need to know before you land.

PDX, Portland International Airport, and "the Portland airport" are all the same airport. There is only one major commercial airport serving Portland, Oregon, and it goes by all three names depending on who is talking.

The Official Name vs the Nickname vs the Code

Think of it like a person with a full name, a nickname, and initials:

• Portland International Airport — the official name printed on signage, government records, and the airport's own website.
• PDX — the three-letter IATA airport code you see on your ticket, boarding pass, luggage tag, and the flight board.
• "Portland airport" or "Portland Oregon airport" — the everyday, colloquial way locals and travelers refer to it.

All three point to the exact same terminal on the north side of Portland, along the Columbia River. When your friend says "I'll pick you up at the Portland airport" and your ticket says "PDX," there is no contradiction — it is one and the same Portland International Airport.

Why Is It Called PDX?

Every commercial airport in the world is assigned a unique three-letter code by the International Air Transport Association (IATA). Portland's code is PDX. The "P" and "D" nod to "Portland," while the "X" is a filler letter the IATA commonly adds when a clean three-letter abbreviation is not available — the same reason Los Angeles is LAX and Phoenix is PHX. So PDX is not a separate place or a code for a specific terminal; it is simply shorthand for the whole Portland Oregon airport.

PDX Terminal Basics

One of the reasons PDX is consistently ranked among the best airports in the United States is how easy it is to navigate. Portland International Airport runs as a single main terminal with connected concourses, so after you land you walk from your gate to baggage claim and out to ground transportation without shuttling between distant buildings. Everything is under one roof, which makes getting your rental car and hitting the road fast.

The Money Angle: Renting a Car at PDX the Smart Way

Now that the naming is cleared up, here is the part that actually saves you money. However you refer to it — PDX, Portland International Airport, or the Portland airport — the way you rent a car there makes a big difference to your total bill.

The traditional route is a rental counter. You collect your bags, take a shuttle bus to an off-site rental facility, wait in line, sit through insurance upsells, and then hunt for your assigned car. On top of that, airport-counter rentals carry an airport concession fee (about 11.1%), a customer facility charge, and other surcharges that inflate the advertised rate by 25-40%.

There is a better way. OreGO Rentals lets you skip all of that:

• Book in about 60 seconds online — no counter, no paperwork line, no sales pitch.
• Your car waits in the PDX long-term parking garage, with clear pickup instructions sent straight to your phone.
• No airport surcharges. Because OreGO operates from the garage rather than the airport rental facility, you skip the concession fee and facility charges entirely.
• Rates from $19/day. The Portland Oregon airport pickup costs the same low rate as renting anywhere else in the city.

How PDX Airport Pickup Works with OreGO

1. Browse the fleet at oregorentals.com/vehicles and pick your car — economy, SUV, electric, and more.
2. Choose your dates and select PDX airport pickup at checkout. The whole booking takes about a minute.
3. Get your pickup instructions by phone: the exact level and spot in the Portland International Airport long-term parking garage where your car is waiting.
4. Land at PDX, walk to the garage, and drive away — no shuttle, no counter, no waiting.