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$164+ Cheap flights from Portland to Hilo (PDX - ITO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Hilo Intl are usually found in September or October, booked 76 days in advance, depart on a Wednesday or Sunday and return on a Thursday

Cheap flight deals from Portland to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Hilo (ITO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2025.

Round-trip from

$288
(Alaska Airlines)

One-way from

$164
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$718
From Portland to Hilo Intl
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One-way flight from Portland to Hilo Intl
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Highest demand for flights based on searches. 12% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Portland to Hilo

Cheapest flights from Portland to Hilo
Explore the most affordable flight options available from Portland to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:55 pmPDX - ITO
1 stop16h 10mAlaska Airlines
Wed 10/297:45 amITO - PDX
1 stop11h 29mAlaska Airlines
Deal found 8/17$288
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:38 pmPDX - ITO
2 stops11h 46mAlaska Airlines
Wed 11/57:43 pmITO - PDX
1 stop7h 51mAlaska Airlines
Deal found 8/18$298
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/271:38 pmPDX - ITO
2 stops11h 46mAlaska Airlines
Wed 11/57:43 pmITO - PDX
2 stops12h 06mAlaska Airlines
Deal found 8/18$308
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:32 pmPDX - ITO
2 stops10h 45mAlaska Airlines
Mon 9/299:43 amITO - PDX
1 stop9h 57mAlaska Airlines
Deal found 8/18$343
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:40 amPDX - ITO
1 stop10h 04mAlaska Airlines
Thu 10/304:21 pmITO - PDX
1 stop10h 13mAlaska Airlines
Deal found 8/17$355
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:38 pmPDX - ITO
2 stops10h 41mAlaska Airlines
Sat 12/66:00 amITO - PDX
1 stop8h 22mAlaska Airlines
Deal found 8/18$358

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Hilo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Portland to Hilo that are best for you.

Fly from

Portland

Fly to

Hilo

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 10/23

5:55 pm-7:05 am

1 stop16h 10m

Hilo Intl

Wed 10/29

4:21 pm-5:34 am

1 stop10h 13m

$288

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 10/27

10:35 am-4:56 pm

1 stop9h 21m

Hilo Intl

Wed 11/5

6:01 pm-5:34 am

1 stop9h 33m

$288

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 10/30

7:09 am-11:51 am

1 stop7h 42m

Hilo Intl

Thu 11/6

6:01 pm-5:34 am

1 stop9h 33m

$288

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 10/29

10:35 am-4:56 pm

1 stop9h 21m

Hilo Intl

Wed 11/5

7:45 am-7:23 pm

1 stop9h 38m

$288

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 11/3

10:25 am-5:31 pm

1 stop9h 06m

Hilo Intl

Mon 11/10

6:43 pm-9:49 am

2 stops13h 06m

$298

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 10/22

10:40 am-5:44 pm

1 stop10h 04m

$164

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 10/23

5:55 pm-7:05 am

1 stop16h 10m

$164

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 10/21

1:25 pm-10:19 pm

2 stops11h 54m

$174

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 10/22

10:40 am-5:44 pm

1 stop10h 04m

$231

PortlandHilo

PDX - ITO

PDXITO

Portland

Sun 10/5

2:30 pm-10:19 pm

2 stops10h 49m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 13 results
1
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Best time to book a flight from Portland to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Hilo

How far ahead should I book a flight from Portland to Hilo?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Hilo. Price data was last updated on August 8, 2025.

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Hilo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Hilo?

Currently, March is the cheapest month in which you can book a flight from Portland to Hilo (average of $330). Flying from Portland to Hilo in December is currently the most expensive (average of $726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Hilo?

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated August 20, 2025.
Read through reviews of airlines operating flights from Portland to Hilo, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Hawaiian Airlines
7.8
Good
2,670 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from Portland to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Hilo?

    There are many flights that can get you from Portland to Hilo in 16h 10m. Fly via Alaska Airlines to get the fastest option. The distance between Portland and Hilo is about 2566 mi.

  • What are the cheapest airlines flying from Portland to Hilo round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Hilo, with prices starting at $308. Additional round-trip tickets that might be worth considering are offered by Southwest and Hawaiian Airlines, with the lowest prices starting at $449 and $489, respectively. Alaska Airlines is priced at 55% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Portland to Hilo that include hotel bookings?

    Yes. In addition to deals on Portland to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Hilo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Hilo.

  • Can I find deals for business class flights from Portland to Hilo?

    Yes. Cheapflights offers flight deals from Portland to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Hilo?

    Currently, March is the cheapest month in which you can book a flight from Portland to Hilo (average of $330). Flying from Portland to Hilo in December is currently the most expensive (average of $726). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Hilo

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Top 3 airlines flying from Portland to Hilo

Discover the top 3 airlines that operate flights from Portland to Hilo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$686FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$449Average$589FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$489Average$757FlexibilityNo cancel feeOn-time85%

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