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 $568. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $642 and $694, respectively. Southwest is priced at 20% 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 ($346), Hawaiian Airlines ($349), and United Airlines ($385).

What is the cheapest day to fly from Portland to Hilo?

Travelers seeking maximum savings on their Portland to Hilo flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Portland to Hilo?

Before booking your flight from Portland to Hilo check out the most popular airlines for this route: Alaska Airlines, Hawaiian Airlines or Southwest.

What is the cheapest day to fly round-trip from Portland to Hilo?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 32% on the overall cost on flights from Portland to Hilo.

How far in advance should I book a flight from Portland to Hilo?

To save up to 22% on this flight, we recommend booking at least 22 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Portland to Hilo from $437 1-2 weeks out and tickets from $521 for flights departing within the next 72 hours.

What is the cheapest month to fly from Portland to Hilo?

Flights from Portland to Hilo lean towards being more expensive in March. Prices are generally better when you fly from Portland to Hilo in October, with the cheapest ticket starting at $399.

What is the cheapest time of day to fly from PDX to ITO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Hilo as you normally would.

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.

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.

$346+ Flights from Portland to Hilo - Compare & Save Big

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1. Tell us where you want to go

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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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$568 (Southwest)
One-way from	$346 (Alaska Airlines)
Popular in	March
Cheapest in	October
Average price	$666

Provider with most accurate pricing for Portland-Hilo Intl flight deals.

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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. 12% potential increase in price ($104 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 April 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 April 29, 2025.

Wed 5/286:45 amPDX - ITO

2 stops14h 25mSouthwest

Wed 6/48:05 amITO - PDX

2 stops11h 10mSouthwest

Deal found 4/28

$568

Wed 5/289:00 amPDX - ITO

1 stop11h 57mHawaiian Airlines

Wed 6/48:40 amITO - PDX

1 stop10h 15mHawaiian Airlines

Deal found 4/28

$642

Mon 6/97:13 amPDX - ITO

2 stops12h 48mAlaska Airlines

Mon 6/168:36 amITO - PDX

2 stops10h 29mAlaska Airlines

Deal found 4/28

$654

Wed 9/101:00 pmPDX - ITO

2 stops12h 14mDelta

Thu 9/184:40 pmITO - PDX

2 stops12h 58mDelta

Deal found 4/28

$734

Fri 10/31:45 pmPDX - ITO

2 stops21h 22mUnited Airlines

Fri 10/106:00 amITO - PDX

2 stops15h 44mUnited Airlines

Deal found 4/27

$1,016

Wed 5/287:40 amPDX - ITO

3 stops13h 17mMultiple Airlines

Wed 6/46:30 pmITO - PDX

2 stops14h 52mMultiple Airlines

Deal found 4/28

$1,288

Best flights from Portland to Hilo
Discover carefully curated flight deals from Portland to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Wed 5/286:45 amPDX - ITO

2 stops14h 25mSouthwest

Wed 6/48:05 amITO - PDX

2 stops11h 10mSouthwest

Deal found 4/28

$568

Wed 5/289:00 amPDX - ITO

1 stop11h 57mHawaiian Airlines

Wed 6/48:40 amITO - PDX

1 stop10h 15mHawaiian Airlines

Deal found 4/28

$642

Wed 5/285:45 pmPDX - ITO

1 stop27h 12mAlaska Airlines

Wed 6/43:12 pmITO - PDX

2 stops12h 08mAlaska Airlines

Deal found 4/28

$694

Tue 5/135:35 amPDX - ITO

2 stops15h 26mDelta

Sat 5/176:30 pmITO - PDX

2 stops15h 50mDelta

Deal found 4/27

$854

Fri 7/47:37 amPDX - ITO

2 stops13h 01mUnited Airlines

Tue 7/87:00 pmITO - PDX

2 stops10h 57mUnited Airlines

Deal found 4/26

$1,038

Wed 5/287:40 amPDX - ITO

3 stops13h 17mMultiple Airlines

Wed 6/46:30 pmITO - PDX

2 stops14h 52mMultiple Airlines

Deal found 4/28

$1,288

Last-minute flights from Portland to Hilo
Discover last-minute flight deals from Portland to Hilo. Data last updated April 29, 2025 and is based on user searches.

Wed 5/75:10 amPDX - ITO

2 stops12h 30mSouthwest

Wed 5/148:05 amITO - PDX

2 stops11h 10mSouthwest

Deal found 4/27

$679

Wed 5/79:05 amPDX - ITO

1 stop11h 55mHawaiian Airlines

Wed 5/147:30 amITO - PDX

1 stop11h 20mHawaiian Airlines

Deal found 4/27

$807

Wed 5/72:40 pmPDX - ITO

2 stops19h 20mAlaska Airlines

Wed 5/141:45 pmITO - PDX

1 stop13h 35mAlaska Airlines

Deal found 4/27

$867

Wed 5/77:54 amPDX - ITO

3 stops14h 16mUnited Airlines

Wed 5/147:55 pmITO - PDX

2 stops10h 32mUnited Airlines

Deal found 4/27

$1,111

Tue 5/135:35 amPDX - ITO

2 stops15h 26mDelta

Sat 5/176:30 pmITO - PDX

2 stops15h 50mDelta

Deal found 4/27

$854

Wed 5/286:45 amPDX - ITO

2 stops14h 25mSouthwest

Wed 6/48:05 amITO - PDX

2 stops11h 10mSouthwest

Deal found 4/28

$568

Wed 5/289:00 amPDX - ITO

1 stop11h 57mHawaiian Airlines

Wed 6/48:40 amITO - PDX

1 stop10h 15mHawaiian Airlines

Deal found 4/28

$642

Wed 5/285:45 pmPDX - ITO

1 stop27h 12mAlaska Airlines

Wed 6/43:12 pmITO - PDX

2 stops12h 08mAlaska Airlines

Deal found 4/28

$694

Wed 5/287:40 amPDX - ITO

3 stops13h 17mMultiple Airlines

Wed 6/46:30 pmITO - PDX

2 stops14h 52mMultiple Airlines

Deal found 4/28

$1,288

Thu 5/297:40 amPDX - ITO

2 stops14h 29mUnited Airlines

Mon 6/26:00 amITO - PDX

3 stops15h 30mUnited Airlines

Deal found 4/27

$1,093

One-way flights from Portland to Hilo
Search for one-way flight options from Portland to Hilo. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/47:13 amPDX - ITO

2 stops14h 56mAlaska Airlines

Deal found 4/28

$346

Wed 6/48:00 amPDX - ITO

1 stop9h 43mHawaiian Airlines

Deal found 4/28

$349

Mon 9/227:35 pmPDX - ITO

2 stops22h 43mUnited Airlines

Deal found 4/27

$385

Thu 5/2210:45 amPDX - ITO

2 stops10h 25mSouthwest

Deal found 4/28

$392

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

6:45 am-6:10 pm

2 stops14h 25m

Hilo Intl

Wed 6/4

8:05 am-10:15 pm

2 stops11h 10m

$568

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

9:00 am-5:57 pm

1 stop11h 57m

Hilo Intl

Wed 6/4

8:40 am-9:55 pm

1 stop10h 15m

$642

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

5:45 pm-5:57 pm

1 stop27h 12m

Hilo Intl

Wed 6/4

3:12 pm-6:20 am

2 stops12h 08m

$694

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/13

5:35 am-6:01 pm

2 stops15h 26m

Hilo Intl

Sat 5/17

6:30 pm-1:20 pm

2 stops15h 50m

$854

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 7/4

7:37 am-5:38 pm

2 stops13h 01m

Hilo Intl

Tue 7/8

7:00 pm-8:57 am

2 stops10h 57m

$1,038

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

7:40 am-5:57 pm

3 stops13h 17m

Hilo Intl

Wed 6/4

6:30 pm-12:22 pm

2 stops14h 52m

$1,288

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Portland to Hilo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Hilo in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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?

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 $737). 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

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

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

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

9,949 reviews

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

9,949 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

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

9,949 reviews

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

7,929 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

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

2,402 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

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

8,696 reviews

Alaska Airlines

8.0

Very good

9,949 reviews

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

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 $568. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $642 and $694, respectively. Southwest is priced at 20% 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 ($346), Hawaiian Airlines ($349), and United Airlines ($385).
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 $737). 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

Alternative routes for Portland to Hilo

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Portland to Waimea (Big Island) flights

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Boise to Hilo flights

Top 3 airlines flying from Portland to Hilo

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$346	Average$704	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$427	Average$577	FlexibilityNo cancel fee	On-time63%
Hawaiian Airlines	Cheapest$536	Average$736	FlexibilityNo cancel fee	On-time85%

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$346+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Hilo with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Hilo

Cheapest flights from Portland to HiloExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Hilo that are best for you.

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 April.

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.

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 April 25, 2025.

What is the cheapest month to book a flight from Portland to Hilo?

Rainfall in Hilo by month

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

Temperature in Hilo by month

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

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 April 29, 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.

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?

What are the cheapest airlines to fly from Portland to Hilo one-way?

Can I find deals for flights from Portland to Hilo that include hotel bookings?

How can I find direct flights from Portland to Hilo?

Can I find deals for business class flights from Portland to Hilo?

What is the cheapest month to book a flight from Portland to Hilo?

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.

Top 3 airlines flying from Portland to Hilo

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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 April 29, 2025.