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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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
1 adult, Economy
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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 January 23, 2026.

This Southwest deal was found by Cheapflights users on 1/21. 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.
Mon 2/237:10 am
PDX
-
ITO
2 stops13h 00m
Southwest
Tue 3/36:00 am
ITO
-
PDX
2 stops11h 55m
Southwest
Deal found 1/21$275
This Southwest deal was found by Cheapflights users on 1/20. 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.
Mon 3/27:10 am
PDX
-
ITO
2 stops13h 00m
Southwest
Tue 3/106:00 am
ITO
-
PDX
2 stops13h 00m
Southwest
Deal found 1/20$299
This Southwest deal was found by Cheapflights users on 1/21. 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.
Mon 2/237:10 am
PDX
-
ITO
2 stops13h 00m
Southwest
Mon 3/26:00 am
ITO
-
PDX
2 stops12h 45m
Southwest
Deal found 1/21$315
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 3/1010:30 am
PDX
-
ITO
1 stop11h 16m
Multiple Airlines
Tue 3/174:39 pm
ITO
-
PDX
1 stop9h 48m
Multiple Airlines
Deal found 1/21$316
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:30 pm
PDX
-
ITO
1 stop15h 35m
Multiple Airlines
Thu 2/267:41 pm
ITO
-
PDX
2 stops11h 08m
Multiple Airlines
Deal found 1/22$330
This Southwest deal was found by Cheapflights users on 1/20. 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.
Wed 4/86:00 am
PDX
-
ITO
2 stops15h 10m
Southwest
Thu 4/168:00 am
ITO
-
PDX
2 stops11h 10m
Southwest
Deal found 1/20$335
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 4/175:45 pm
PDX
-
ITO
1 stop7h 48m
Multiple Airlines
Mon 4/206:44 pm
ITO
-
PDX
2 stops12h 06m
Multiple Airlines
Deal found 1/21$336
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 4/237:00 am
PDX
-
ITO
1 stop7h 54m
Multiple Airlines
Wed 4/296:44 pm
ITO
-
PDX
2 stops11h 54m
Multiple Airlines
Deal found 1/21$349
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:30 pm
PDX
-
ITO
1 stop15h 35m
Multiple Airlines
Mon 3/26:44 pm
ITO
-
PDX
1 stop8h 43m
Multiple Airlines
Deal found 1/22$356
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:00 am
PDX
-
ITO
2 stops13h 23m
Multiple Airlines
Tue 5/196:49 pm
ITO
-
PDX
2 stops10h 08m
Multiple Airlines
Deal found 1/20$357

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 January 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$275
(Southwest)

One-way from

$168
(Expedia)

Popular in

December

Cheapest in

September

Average price

$475
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 ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 23, 2026.
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 3/2

7:10 am-6:10 pm

2 stops13h 00m

Hilo Intl

Tue 3/10

6:00 am-10:00 pm

2 stops13h 00m

$299

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/10

10:30 am-6:46 pm

1 stop11h 16m

Hilo Intl

Tue 3/17

4:39 pm-5:27 am

1 stop9h 48m

$316

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 2/19

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

Thu 2/26

4:39 pm-5:27 am

1 stop10h 48m

$345

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 2/27

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

Mon 3/2

6:44 pm-5:27 am

1 stop8h 43m

$356

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 3/2

7:05 am-6:46 pm

2 stops13h 41m

Hilo Intl

Tue 3/10

4:39 pm-9:42 am

2 stops14h 03m

$360

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 2/27

6:10 am-6:10 pm

2 stops14h 00m

Hilo Intl

Mon 3/2

6:55 pm-10:50 am

2 stops13h 55m

$371

PortlandHilo

PDX - ITO

PDXITO

Portland

Sat 4/18

5:45 pm-10:33 pm

1 stop7h 48m

Hilo Intl

Wed 4/22

5:59 pm-9:38 am

2 stops12h 39m

$376

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 2/10

5:05 am-6:10 pm

2 stops15h 05m

Hilo Intl

Tue 3/10

8:00 am-10:55 pm

2 stops11h 55m

$379

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/29

5:05 am-6:10 pm

2 stops15h 05m

Hilo Intl

Wed 3/4

6:55 pm-11:10 am

2 stops14h 15m

$391

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 2/19

5:30 pm-7:05 am

1 stop15h 35m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 17 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Hilo flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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 January 16, 2026.

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 $541). 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 January 23, 2026.
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
11,781 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,781 reviews
Alaska Airlines
8.0
Very good
11,781 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,781 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,781 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 13h. Fly via Southwest 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 $399 and $477, 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 ($344).

  • 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 $541). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$644FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$399Average$943FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$477Average$595FlexibilityNo cancel feeOn-time63%

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