What airlines fly to Hilo?

Alaska Airlines, Hawaiian Airlines and United Airlines are the top three most popular airlines that fly to Hilo from Portland according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 6 different airlines that fly to Hilo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Hilo Intl?

Alaska Airlines, Southwest, and United Airlines are the most popular carriers operating from Portland to Hilo Intl

When did momondo last update prices for flights from Portland Airport to Hilo Intl Airport?

Prices for flights from Portland Airport to Hilo Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Hilo Intl Airport?

As of November 2025, there are 3 operators available to choose from for flights from Portland Airport to Hilo Intl Airport.

How old do you have to be to fly from Portland Airport to Hilo Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Hilo Intl Airport.

What documentation or ID do you need to fly to Hilo Intl Airport?

The travel and health documents you'll need for your trip to Hilo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hilo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$194 Cheap Flights from Portland to Hilo in 2025/26

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Find the cheapest flights from Portland to Hilo

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 5:29 pmPDX-ITO

8h 59m1 stop

8:24 am - 11:32 pmITO-PDX

13h 08m2 stops

$353Alaska Airlines

Find Deal

Thu, Jan 29 - Fri, Feb 6

10:30 am - 7:04 pmPDX-ITO

10h 34m1 stop

3:02 pm - 5:31 amITO-PDX

12h 29m1 stop

$358Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

10:30 am - 7:04 pmPDX-ITO

10h 34m1 stop

7:44 pm - 9:29 amITO-PDX

11h 45m2 stops

$359Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

7:10 am - 4:13 pmPDX-ITO

11h 03m2 stops

8:24 am - 11:32 pmITO-PDX

13h 08m2 stops

$363Alaska Airlines

Find Deal

Thu, Jan 29 - Fri, Feb 6

7:10 am - 4:13 pmPDX-ITO

11h 03m2 stops

8:30 pm - 9:29 amITO-PDX

10h 59m2 stops

$368Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

5:40 pm - 7:04 amPDX-ITO

15h 24m1 stop

6:00 am - 5:59 pmITO-PDX

9h 59m2 stops

$387Alaska Airlines

Find Deal

Fri, Jan 23 - Thu, Jan 29

5:40 pm - 7:04 amPDX-ITO

15h 24m1 stop

7:44 pm - 5:31 amITO-PDX

7h 47m1 stop

$388Alaska Airlines

Find Deal

Fri, Jan 23 - Thu, Jan 29

5:40 pm - 7:04 amPDX-ITO

15h 24m1 stop

7:44 pm - 9:29 amITO-PDX

11h 45m2 stops

$389Alaska Airlines

Find Deal

Fri, Jan 23 - Thu, Jan 29

10:40 am - 6:18 pmPDX-ITO

9h 38m1 stop

7:45 pm - 6:00 amITO-PDX

8h 15m1 stop

$443Hawaiian Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

9:25 am - 9:40 pmPDX-ITO

14h 15m2 stops

11:40 am - 11:20 pmITO-PDX

9h 40m2 stops

$596Southwest

Find Deal

Sat, Dec 13 - Sun, Dec 21

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Jan 29

PDX10:30 amPortland

8h 59m

1 stop

ITO5:29 pmHilo Intl

Feb 6

ITO8:24 amHilo Intl

13h 08m

2 stops

PDX11:32 pmPortland

$353

Find similar

Alaska Airlines

Jan 13

PDX10:30 amPortland

10h 34m

1 stop

ITO7:04 pmHilo Intl

Jan 20

ITO3:02 pmHilo Intl

12h 29m

1 stop

PDX5:31 amPortland

$358

Find similar

Alaska Airlines

Jan 13

PDX10:30 amPortland

10h 34m

1 stop

ITO7:04 pmHilo Intl

Jan 20

ITO7:44 pmHilo Intl

11h 45m

2 stops

PDX9:29 amPortland

$359

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/29

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Fri 2/6

8:24 am-11:32 pm

2 stops13h 08m

$353

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Tue 1/20

3:02 pm-5:31 am

1 stop12h 29m

$358

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Tue 1/20

7:44 pm-9:29 am

2 stops11h 45m

$359

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/29

7:10 am-4:13 pm

2 stops11h 03m

Hilo Intl

Fri 2/6

8:24 am-11:32 pm

2 stops13h 08m

$363

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

7:10 am-4:13 pm

2 stops11h 03m

Hilo Intl

Tue 1/20

8:30 pm-9:29 am

2 stops10h 59m

$368

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

6:00 am-5:59 pm

2 stops9h 59m

$387

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

7:44 pm-5:31 am

1 stop7h 47m

$388

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

7:44 pm-9:29 am

2 stops11h 45m

$389

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

10:40 am-6:18 pm

1 stop9h 38m

Hilo Intl

Wed 3/4

7:45 pm-6:00 am

1 stop8h 15m

$443

PortlandHilo

PDX - ITO

PDXITO

Portland

Sat 12/13

9:25 am-9:40 pm

2 stops14h 15m

Hilo Intl

Sun 12/21

11:40 am-11:20 pm

2 stops9h 40m

$596

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Hilo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Hilo?

The month of September is, on average, the cheapest month to fly to Hilo from Portland, with most prices found around $413. If you’re not able to fly to Hilo in September, then October is your next best option. Flight prices from Portland to Hilo during October average around $450.

What is the cheapest day to depart on your flight to Hilo?

The cheapest day to depart from Portland to Hilo is on a Wednesday. Travelers who choose to depart for Hilo on a Wednesday will often find tickets for as low as $587. Flights from Portland to Hilo on a Thursday will generally be more expensive and average around $780. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You are more likely to see cheaper flights to Hilo from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Hilo for around $678 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hilo from Portland for as low as $313 on momondo.

Can stopping save me money on Portland to Hilo flights?

You could potentially save up to 36% on your flight if you consider stops on a Portland to Hilo flight.

How have Portland to Hilo flight prices changed over time?

As of November 2025, prices for Portland to Hilo flights are approximately 80% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Hilo

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Hilo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Hilo (PDX to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Hilo

Direct flights	None

There are no direct flights from Portland to Hilo. There are no popular flight routes from Portland to Hilo.

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How far is Portland to Hilo Intl by plane?
A flight from Portland to Hilo Intl will travel around 2561.5 mi. In terms of flight time, this usually takes a little over 8h 35m.
When did momondo last update prices for flights from Portland Airport to Hilo Intl Airport?
Prices for flights from Portland Airport to Hilo Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Hilo Intl Airport?
As of November 2025, there are 3 operators available to choose from for flights from Portland Airport to Hilo Intl Airport.
How old do you have to be to fly from Portland Airport to Hilo Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Hilo Intl Airport.
What documentation or ID do you need to fly to Hilo Intl Airport?
The travel and health documents you'll need for your trip to Hilo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hilo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Hilo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Hilo is Alaska Airlines (54% of total bookings). The next most popular airlines are Hawaiian Airlines (33%) and Southwest (12%).

Best airlines flying from Portland to Hilo

Compare and see reviews for airlines that fly from Portland to Hilo with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $308	Free Cancellation	Rating 8.0 11,243 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $450	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $489	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights

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Why use momondo?

Why should I use momondo to find a flight deal from Portland to Hilo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hilo from Portland.

Can I find flights from Portland to Hilo with flexible booking policies on momondo?

Flights from Portland to Hilo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Hilo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hilo from Portland.

I’m not ready to book a flight from Portland to Hilo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hilo, momondo offers a useful price alert feature which will track prices for flights to Hilo from Portland and alert you when they change.