HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Hilo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/9. 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
Wed 1/146:44 pmITO - PDX
1 stop8h 47mAlaska Airlines
Deal found 12/9$430
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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
Thu 1/158:30 pmITO - PDX
2 stops10h 59mAlaska Airlines
Deal found 12/9$440
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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
Fri 1/167:44 pmITO - PDX
1 stop7h 47mAlaska Airlines
Deal found 12/9$472
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/317:00 amPDX - ITO
1 stop8h 14mAlaska Airlines
Tue 1/136:44 pmITO - PDX
1 stop8h 47mAlaska Airlines
Deal found 12/9$483
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/317:00 amPDX - ITO
1 stop9h 29mAlaska Airlines
Fri 1/169:00 pmITO - PDX
2 stops10h 23mAlaska Airlines
Deal found 12/9$493
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/1610:40 amPDX - ITO
2 stops12h 36mAlaska Airlines
Thu 1/156:44 pmITO - PDX
1 stop8h 47mAlaska Airlines
Deal found 12/9$533
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/1610:40 amPDX - ITO
2 stops12h 36mAlaska Airlines
Wed 1/148:30 pmITO - PDX
2 stops10h 59mAlaska Airlines
Deal found 12/9$543
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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
Mon 1/128:24 amITO - PDX
1 stop9h 42mAlaska Airlines
Deal found 12/9$549
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/1610:40 amPDX - ITO
2 stops12h 36mAlaska Airlines
Fri 1/169:55 amITO - PDX
1 stop8h 55mAlaska Airlines
Deal found 12/9$575
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 1/119:55 amITO - PDX
2 stops10h 51mAlaska Airlines
Deal found 12/9$576
This Alaska Airlines deal was found by Cheapflights users on 12/9. 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 12/157:00 amPDX - ITO
1 stop9h 32mAlaska Airlines
Wed 1/145:59 pmITO - PDX
1 stop9h 32mAlaska Airlines
Deal found 12/9$588

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$310
(Expedia)

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 12, 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

Wed 1/7

10:21 am-7:04 pm

1 stop10h 43m

Hilo Intl

Wed 1/14

5:59 pm-9:29 am

2 stops13h 30m

$334

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/7

10:21 am-7:04 pm

1 stop10h 43m

Hilo Intl

Wed 1/14

8:59 am-8:50 pm

1 stop9h 51m

$338

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-2:29 pm

2 stops11h 19m

Hilo Intl

Tue 1/13

5:59 pm-5:31 am

1 stop9h 32m

$362

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

1:38 pm-10:34 pm

2 stops10h 56m

Hilo Intl

Thu 1/29

8:30 pm-4:19 pm

1 stop17h 49m

$364

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-3:55 pm

2 stops12h 45m

Hilo Intl

Wed 1/14

8:30 pm-9:29 am

2 stops10h 59m

$372

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

7:05 am-5:29 pm

2 stops12h 24m

Hilo Intl

Wed 3/4

7:41 pm-5:27 am

1 stop7h 46m

$388

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

5:39 pm-4:00 pm

2 stops24h 21m

Hilo Intl

Wed 3/4

7:41 pm-10:56 am

2 stops13h 15m

$391

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-3:55 pm

2 stops12h 45m

Hilo Intl

Fri 1/16

8:59 am-8:50 pm

1 stop9h 51m

$404

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:34 am-9:24 pm

2 stops12h 50m

$157

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:34 am-9:24 pm

2 stops12h 50m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 15 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 5, 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 $190). 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 12, 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
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

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
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

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
4,252 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

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
2,818 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

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.

  • How long is the flight from Portland to Hilo?

    There are many flights that can get you from Portland to Hilo in 10h 43m. 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 Alaska Airlines ($233), Southwest ($263), and Hawaiian Airlines ($277).

  • 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 $190). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Hilo

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Honolulu flights
Portland to Kahului flights
Portland to Kailua-Kona flights
Portland to Lihue flights
Boise to Honolulu flights
Redmond to Kahului flights
Boise to Kahului flights
Boise to Lihue flights
Redmond to Kailua-Kona flights
Medford to Honolulu flights
Boise to Kailua-Kona flights
Eugene to Honolulu flights
Eugene to Kahului flights
Eugene to Lihue flights
Eugene to Kailua-Kona flights
Redmond to Honolulu flights
Medford to Lihue flights
Medford to Kailua-Kona flights
Redmond to Lihue flights
Medford to Kahului flights
Boise to Hilo flights
Portland to Kapalua flights
Medford to Hilo flights
Yakima to Honolulu flights
Eugene to Hilo flights
North Bend to Kahului flights
Boise to Kapalua flights
Portland to Waimea (Big Island) flights
Pendleton to Honolulu flights
Eugene to Kapalua flights
Redmond to Kapalua flights
Yakima to Lihue flights
Portland to Hoolehua flights
Portland to Lanai City flights
Portland to Hana flights
Medford to Kapalua flights
Boise to Hana flights

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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$673FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$413Average$876FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$489Average$688FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.