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Hilo

$157+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Find cheap flights from Portland to Hilo with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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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

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 December 18, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 12/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amPDX - ITO
1 stop10h 14mAlaska Airlines
Thu 1/1511:11 amITO - PDX
1 stop7h 39mAlaska Airlines
Deal found 12/15$530
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amPDX - ITO
1 stop8h 14mMultiple Airlines
Thu 1/158:30 pmITO - PDX
2 stops10h 59mMultiple Airlines
Deal found 12/15$539
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:26 amPDX - ITO
2 stops11h 48mMultiple Airlines
Sun 1/117:44 pmITO - PDX
1 stop7h 47mMultiple Airlines
Deal found 12/15$639
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 amPDX - ITO
2 stops10h 20mSouthwest
Wed 1/76:55 pmITO - PDX
2 stops13h 55mSouthwest
Deal found 12/17$692
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/299:26 amPDX - ITO
2 stops13h 49mMultiple Airlines
Sun 1/119:00 pmITO - PDX
2 stops14h 30mMultiple Airlines
Deal found 12/15$706
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/217:05 amPDX - ITO
1 stop12h 46mMultiple Airlines
Thu 1/158:59 amITO - PDX
1 stop9h 51mMultiple Airlines
Deal found 12/15$707
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/316:14 amPDX - ITO
2 stops13h 37mMultiple Airlines
Wed 1/76:44 pmITO - PDX
1 stop8h 47mMultiple Airlines
Deal found 12/15$711
This Hawaiian Airlines deal was found by Cheapflights users on 12/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:30 amPDX - ITO
1 stop8h 59mAlaska Airlines
Tue 12/305:59 pmITO - PDX
1 stop9h 26mAlaska Airlines
Deal found 12/16$715

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(Alaska Airlines)

One-way from

$157
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$961
Provider with most accurate pricing for Portland-Hilo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Hilo Intl flights.
Search Deals
From Portland to Hilo Intl
Search Deals
One-way flight from Portland to Hilo Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Mon 1/26

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Wed 1/28

7:44 pm-9:29 am

2 stops11h 45m

$344

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

1:38 pm-10:34 pm

2 stops10h 56m

Hilo Intl

Thu 1/29

11:11 am-11:50 pm

2 stops10h 39m

$346

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-2:29 pm

2 stops11h 19m

Hilo Intl

Tue 1/13

1:42 pm-5:31 am

1 stop13h 49m

$348

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

10:30 am-6:41 pm

1 stop10h 11m

Hilo Intl

Wed 3/4

7:41 pm-5:27 am

1 stop7h 46m

$378

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 2/19

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

Tue 2/24

4:39 pm-5:27 am

1 stop10h 48m

$393

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/22

7:18 am-5:45 pm

2 stops12h 27m

Hilo Intl

Thu 1/22

8:30 pm-9:29 am

2 stops10h 59m

$433

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 2/17

7:00 am-4:00 pm

1 stop11h 00m

Hilo Intl

Wed 2/25

7:41 pm-9:42 am

2 stops12h 01m

$441

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 2/16

7:00 am-4:00 pm

1 stop11h 00m

Hilo Intl

Wed 2/25

7:41 pm-9:42 am

2 stops12h 01m

$441

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:34 am-9:24 pm

2 stops12h 50m

$157

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 2/2

10:34 am-9:24 pm

2 stops12h 50m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 13 results
1
2

Compare providers for flights from Portland to Hilo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Hilo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Hilo flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Hilo flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Hilo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Hilo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 12, 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, February is the cheapest month in which you can book a flight from Portland to Hilo (average of $192). Flying from Portland to Hilo in July is currently the most expensive (average of $528). 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.

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 December 18, 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
11,474 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,474 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,249 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,474 reviews

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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.

  • 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 Hawaiian Airlines and Southwest, with the lowest prices starting at $413 and $489, respectively. Alaska Airlines is priced at 55% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Portland to Hilo one-way?

    The cheapest airlines for a one-way flight from Portland to Hilo are Alaska Airlines ($233), Southwest ($267), and Hawaiian Airlines ($297).

  • 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, February is the cheapest month in which you can book a flight from Portland to Hilo (average of $192). Flying from Portland to Hilo in July is currently the most expensive (average of $528). 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$666FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$413Average$932FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$489Average$688FlexibilityNo cancel feeOn-time63%

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