HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hilo

$314+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
May 12 — May 191
Mon 5/12
Mon 5/19
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 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 May 7, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$518
(Southwest)

One-way from

$314
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$865
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. 13% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 7, 2025.

This Southwest deal was found by Cheapflights users on 5/7. 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.
Thu 9/46:00 amPDX - ITO
2 stops11h 40mSouthwest
Mon 9/87:55 amITO - PDX
2 stops11h 15mSouthwest
Deal found 5/7$518
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 10/15:47 pmPDX - ITO
1 stop26h 50mAlaska Airlines
Mon 10/138:33 amITO - PDX
1 stop18h 35mAlaska Airlines
Deal found 5/6$626
This Hawaiian Airlines deal was found by Cheapflights users on 5/7. 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 9/47:40 amPDX - ITO
1 stop8h 25mHawaiian Airlines
Mon 9/87:49 amITO - PDX
1 stop11h 51mHawaiian Airlines
Deal found 5/7$721
This United Airlines deal was found by Cheapflights users on 5/6. 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 10/15:30 amPDX - ITO
3 stops29h 36mUnited Airlines
Mon 10/136:00 amITO - PDX
2 stops29h 43mUnited Airlines
Deal found 5/6$784
This Expedia deal was found by Cheapflights users on 5/6. 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.
Mon 12/297:20 amPDX - ITO
1 stop9h 58mMultiple Airlines
Mon 1/59:00 pmITO - PDX
2 stops21h 37mMultiple Airlines
Deal found 5/6$1,086
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:39 pmPDX - ITO
2 stops32h 35mAmerican Airlines
Wed 1/77:50 pmITO - PDX
2 stops25h 10mAmerican Airlines
Deal found 5/6$1,249
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 6/3012:52 amPDX - ITO
2 stops18h 03mDelta
Tue 7/84:25 pmITO - PDX
2 stops13h 51mDelta
Deal found 5/6$1,377

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 May 7, 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

Fri 7/4

10:45 am-6:05 pm

2 stops10h 20m

Hilo Intl

Tue 7/8

6:00 am-9:55 pm

2 stops12h 55m

$674

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 8/5

10:55 am-4:54 pm

1 stop8h 59m

Hilo Intl

Tue 8/12

7:00 pm-5:55 am

1 stop7h 55m

$733

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 6/5

5:45 pm-5:57 pm

1 stop27h 12m

Hilo Intl

Thu 6/12

6:00 am-8:40 pm

2 stops11h 40m

$751

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 5/23

7:41 pm-5:57 pm

2 stops49h 16m

Hilo Intl

Tue 5/27

7:55 pm-12:33 pm

2 stops13h 38m

$959

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 7/7

1:37 pm-8:08 am

2 stops21h 31m

Hilo Intl

Fri 7/11

8:37 am-6:00 am

1 stop18h 23m

$1,145

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 6/30

12:52 am-3:55 pm

2 stops18h 03m

Hilo Intl

Tue 7/8

4:25 pm-9:16 am

2 stops13h 51m

$1,377

PortlandHilo

PDX - ITO

PDXITO

Portland

Sun 6/1

5:45 pm-5:57 pm

1 stop27h 12m

$314

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 6/26

11:05 am-9:40 pm

2 stops13h 35m

$382

PortlandHilo

PDX - ITO

PDXITO

Portland

Sat 5/31

8:00 am-5:01 pm

1 stop12h 01m

$416

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

12:40 am-7:09 pm

2 stops21h 29m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 12 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 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 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 May 2, 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 $735). 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 May 7, 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
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
9,994 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
4,292 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
7,944 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
2,425 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
8,710 reviews
Alaska Airlines
8.0
Very good
9,994 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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 Southwest is currently your cheapest option to Hilo, with prices starting at $518. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Hawaiian Airlines, with the lowest prices starting at $626 and $721, respectively. Southwest is priced at 27% 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 ($314), Southwest ($382), and Hawaiian Airlines ($416).

  • 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 $735). 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
Boise to Kahului flights
Boise to Lihue flights
Medford to Kahului flights
Medford to Honolulu flights
Eugene to Honolulu flights
Eugene to Kahului flights
Boise to Kailua-Kona flights
Redmond to Kahului flights
Redmond to Honolulu flights
Eugene to Kailua-Kona flights
Medford to Kailua-Kona flights
Eugene to Lihue flights
Redmond to Kailua-Kona flights
Yakima to Honolulu flights
Medford to Lihue flights
Redmond to Lihue flights
Portland to Hoolehua flights
Redmond to Kapalua flights
North Bend to Kahului flights
Boise to Hilo flights
Medford to Kapalua flights
Pendleton to Honolulu flights
Eugene to Hilo flights
Yakima to Lihue flights
Portland to Waimea (Big Island) flights
Portland to Lanai City flights
Portland to Kapalua flights
Portland to Hana flights
Medford to Hilo flights
Eugene to Kapalua flights
Boise 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 May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$346Average$709FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$427Average$577FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$505Average$702FlexibilityNo cancel feeOn-time85%

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.