Cheap Flights from Portland (PDX) to Hilo (ITO)

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Find the cheapest month or even day of the year to fly to Hilo

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Flight deals from Portland to Hilo

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

Find the cheapest month to fly from Portland to Hilo

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

Portland to Hilo: Alternative routes

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

Portland to Hilo: Flight information

The things to know before you go.
Cheapest flight found$558
Cheapest month to flySeptember

Finding cheap flights from Portland to Hilo: Frequently asked questions

The best price we found for a return flight from Portland to Hilo is $558. 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.
Currently, there are no airlines that fly direct from Portland to Hilo. But we found flights with one or more stops from $558.
As of June 2026, there are no flights flying from Portland to Hilo.
The cheapest month to fly from Portland to Hilo is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Hilo Airport on Thursday, 3 September 2026.
No airlines currently offer direct flights between Portland Airport and Hilo Airport. Most routes have one or more stops.
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 Hilo 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 Hilo is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Hilo.

Flying from Portland Airport (PDX) to Hilo Airport (ITO): what you need to know

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your PDX to ITO flight.

  • You'll likely experience bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • Break up your flight or explore another city along the way with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from Portland Airport to Hilo Airport. Many travellers pass through Honolulu International Airport when flying between PDX and ITO.

Handy information about Portland Airport (PDX)

  • The address for PDX is 7000 NE Airport Way.

  • Portland Airport maintains a strong on-time record, making delays less likely. Departures from PDX make it to their destination as scheduled 83% of the time.

  • Central Portland to Portland Airport is approximately 19 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're catching a taxi, ride-sharing or driving.

  • Planning to catch public transport? You can expect a journey time of around 40 minutes.

  • Need a handy hotel close to PDX? If you've booked an early flight from Portland Airport to Hilo Airport, these accommodation options will put you moments from check-in:

Arriving at Hilo Airport (ITO)

When to fly to Hilo Airport (ITO)

  • It's time to pick your dates for your flight from Portland Airport to Hilo Airport. September is the most popular month to head to Hilo. If you want a more relaxed vibe, go in February.

  • The warmest month in Hilo is October, with temperatures ranging between 19ºC (66ºF) and 26ºC (79ºF). Book your flights from Portland Airport to Hilo Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from PDX to ITO in March if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 16ºC (61ºF) and 23ºC (73ºF) on average.

Explore more of the United States

  • Hilo is easy to fall in love with, but there are so many other parts of the United States waiting to be discovered. About 338 kilometres north-west of Hilo, a trip to Honolulu will keep you busy. Start with attractions like Pacific Ocean, Waikiki Beach and Pearl Harbour.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.