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$287+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Hilo Intl are usually found in October or January, booked 82 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 June 12, 2025.

Round-trip from

$388
(Alaska Airlines)

One-way from

$287
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$789
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. 11% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/210:40 amPDX - ITO
1 stop8h 19mAlaska Airlines
Tue 9/97:00 pmITO - PDX
1 stop8h 00mAlaska Airlines
Deal found 6/10$388
This Southwest deal was found by Cheapflights users on 6/11. 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 8/167:25 amPDX - ITO
2 stops13h 45mSouthwest
Tue 8/266:00 amITO - PDX
2 stops10h 50mSouthwest
Deal found 6/11$579
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:30 amPDX - ITO
1 stop11h 25mHawaiian Airlines
Wed 8/136:10 pmITO - PDX
1 stop8h 45mHawaiian Airlines
Deal found 6/9$587
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:15 amPDX - ITO
2 stops12h 39mDelta
Sun 8/1010:44 amITO - PDX
2 stops10h 44mDelta
Deal found 6/11$874
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:02 amPDX - ITO
3 stops13h 35mMultiple Airlines
Wed 9/248:36 amITO - PDX
2 stops11h 01mMultiple Airlines
Deal found 6/11$1,277

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 June 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

Tue 9/2

10:40 am-3:59 pm

1 stop8h 19m

Hilo Intl

Tue 9/9

7:00 pm-6:00 am

1 stop8h 00m

$388

PortlandHilo

PDX - ITO

PDXITO

Portland

Sat 8/16

7:25 am-6:10 pm

2 stops13h 45m

Hilo Intl

Tue 8/26

6:00 am-7:50 pm

2 stops10h 50m

$579

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 8/7

7:30 am-3:55 pm

1 stop11h 25m

Hilo Intl

Wed 8/13

6:10 pm-5:55 am

1 stop8h 45m

$587

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 7/31

7:15 am-4:54 pm

2 stops12h 39m

Hilo Intl

Sun 8/10

10:44 am-12:28 am

2 stops10h 44m

$874

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 9/10

7:02 am-5:37 pm

3 stops13h 35m

Hilo Intl

Wed 9/24

8:36 am-10:37 pm

2 stops11h 01m

$1,277

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 8/7

7:04 am-3:55 pm

2 stops11h 51m

$297

PortlandHilo

PDX - ITO

PDXITO

Portland

Sun 7/20

5:10 am-4:00 pm

2 stops13h 50m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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 June 9, 2025.

Booking 81 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 July 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.

Rainfall in Hilo by month

Plan your trip to Hilo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

Temperature in Hilo by month

Plan your trip to Hilo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hilo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Hilo have to say. 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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $388. Additional round-trip tickets that might be worth considering are offered by Southwest and Hawaiian Airlines, with the lowest prices starting at $579 and $587, respectively. Alaska Airlines is priced at 46% 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 ($287), Southwest ($417), and United Airlines ($691).

  • 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 July 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

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$348Average$733FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$427Average$584FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$495Average$736FlexibilityNo cancel feeOn-time85%

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