$154 Cheap Flights from Hilo (ITO) to Portland (PDX)

View $154 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Hilo Intl. Airport (ITO) to Portland International Airport (PDX)

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Cheap Flights from Hilo to Portland (ITO-PDX)

Prices were available within the past 7 days and start at $154 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$308 Roundtrip, found 4 hours ago
$308
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $308 found 4 hours ago
Hawaiian Airlines
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$308 Roundtrip, found 4 hours ago
$308
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $308 found 4 hours ago
Alaska Airlines
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$311 Roundtrip, found 4 hours ago
$311
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $311 found 4 hours ago
Alaska Airlines
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$318 Roundtrip, found 4 hours ago
$318
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $318 found 4 hours ago
Alaska Airlines
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$320 Roundtrip, found 4 hours ago
$320
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $320 found 4 hours ago
Alaska Airlines
Sat, Nov 8 - Wed, Nov 12
ITO
Hawaii Island
PDX
Portland
$333 Roundtrip, found 5 days ago
$333
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Nov 8 from Hawaii Island to Portland, returning Wed, Nov 12, priced at $333 found 5 days ago
Alaska Airlines
Mon, Sep 8 - Sat, Sep 20
ITO
Hawaii Island
PDX
Portland
$338 Roundtrip, found 12 hours ago
$338
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Mon, Sep 8 from Hawaii Island to Portland, returning Sat, Sep 20, priced at $338 found 12 hours ago
Southwest Airlines
Tue, Sep 2 - Tue, Sep 9
ITO
Hawaii Island
PDX
Portland
$428 Roundtrip, found 3 days ago
$428
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Sep 2 from Hawaii Island to Portland, returning Tue, Sep 9, priced at $428 found 3 days ago
Delta
Mon, Sep 22 - Mon, Sep 29
ITO
Hawaii Island
PDX
Portland
$734 Roundtrip, found 4 hours ago
$734
Roundtrip
found 4 hours ago
Select Delta flight, departing Mon, Sep 22 from Hawaii Island to Portland, returning Mon, Sep 29, priced at $734 found 4 hours ago
United
Wed, Dec 24 - Wed, Dec 31
ITO
Hawaii Island
PDX
Portland
$904 Roundtrip, found 7 hours ago
$904
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Dec 24 from Hawaii Island to Portland, returning Wed, Dec 31, priced at $904 found 7 hours ago

Find the cheapest month to fly from Hilo (ITO) to Portland (PDX)

September is typically the cheapest month to fly

From $437 - $762 per traveler.

Graph displaying average flight prices per month

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $714
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $714
Flights from Hilo (ITO) to Portland (PDX)
Origin airport
Hilo Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$308
Distance
2567 mi

Hilo to Portland Flights

The cheapest times to fly from Hilo to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hilo to Portland are during the month of September. You can find some of the cheapest flights from Hilo to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hilo to Portland

Sunday is one of the best days to book for cheap flights from Hilo to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hilo to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hilo to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hilo to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hilo to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX) cost?
Discover the latest flight deals from ITO to PDX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ITO to PDX?
The cheapest flights from ITO to PDX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ITO to PDX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ITO to PDX. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX)?
Direct flights from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ITO to PDX?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX)?
To avoid possible delays on the Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX) last-minute?
Waiting until just before your departure to book a ticket from ITO to PDX often results in higher prices. While you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book an ITO to PDX flight and hotel package?
Opting for an ITO to PDX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hilo Intl. Airport (ITO) to Portland Intl. Airport (PDX)?
If you reserved your ITO to PDX flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.