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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 3 — Jan 101
Sat 1/3
Sat 1/10
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

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 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/37:00 amPDX - ITO
1 stop8h 01mAlaska Airlines
Tue 12/168:30 pmITO - PDX
2 stops11h 02mAlaska Airlines
Deal found 12/2$458
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/610:40 amPDX - ITO
2 stops13h 56mAlaska Airlines
Mon 12/87:44 pmITO - PDX
1 stop7h 41mAlaska Airlines
Deal found 12/2$488
This Southwest deal was found by Cheapflights users on 12/2. 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.
Sat 12/65:40 amPDX - ITO
2 stops14h 30mSouthwest
Mon 12/86:00 amITO - PDX
2 stops11h 55mSouthwest
Deal found 12/2$498
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/315:10 amPDX - ITO
2 stops10h 04mAlaska Airlines
Wed 1/78:30 pmITO - PDX
2 stops10h 59mAlaska Airlines
Deal found 12/2$570
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 12/177:00 amPDX - ITO
2 stops12h 39mAlaska Airlines
Sun 12/217:44 pmITO - PDX
1 stop7h 41mAlaska Airlines
Deal found 12/2$701

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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(Alaska Airlines)

One-way from

$157
(Alaska Airlines)

Popular in

March

Cheapest in

September

Average price

$736
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. 8% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 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 4, 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 2/4

8:30 pm-9:29 am

2 stops10h 59m

$308

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/22

7:10 am-5:29 pm

2 stops12h 19m

Hilo Intl

Mon 1/26

9:55 am-11:32 pm

2 stops11h 37m

$316

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 2/20

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

Wed 2/25

7:41 pm-9:42 am

2 stops12h 01m

$316

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/27

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Tue 2/3

6:44 pm-5:31 am

1 stop8h 47m

$318

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/21

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Thu 1/29

6:44 pm-5:31 am

1 stop8h 47m

$318

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/21

7:00 am-12:56 pm

1 stop7h 56m

Hilo Intl

Fri 2/13

6:00 am-4:10 pm

1 stop8h 10m

$324

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

2:35 pm-5:41 pm

2 stops29h 06m

Hilo Intl

Wed 3/4

8:30 pm-9:42 am

2 stops11h 12m

$332

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 1/19

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Thu 2/12

7:41 pm-5:27 am

1 stop7h 46m

$338

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/20

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Thu 2/12

7:41 pm-5:27 am

1 stop7h 46m

$338

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/28

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Wed 2/4

5:59 pm-5:31 am

1 stop9h 32m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 16 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 November 28, 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 $205). Flying from Portland to Hilo in July is currently the most expensive (average of $532). 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 December 4, 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
11,396 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
8.0
Very good
11,396 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Southwest
8.0
Very good
4,252 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Hawaiian Airlines
7.8
Good
2,815 reviews
Alaska Airlines
8.0
Very good
11,396 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

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 8h 59m. 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 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 Southwest ($223), Hawaiian Airlines ($277), and Alaska Airlines ($293).

  • 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 $205). Flying from Portland to Hilo in July is currently the most expensive (average of $532). 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$673FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$413Average$876FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$489Average$688FlexibilityNo cancel feeOn-time63%

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