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

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 55% 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.

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 September 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.

$164 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

Cheap round-trip flights

10:55 am - 6:18 pmPDX-ITO

9h 23m1 stop

10:53 am - 9:05 pmITO-PDX

8h 12m1 stop

$288Hawaiian Airlines

Find Deal

Mon, Jan 19 - Thu, Jan 29

10:55 am - 7:18 pmPDX-ITO

10h 23m1 stop

9:00 pm - 9:49 amITO-PDX

10h 49m2 stops

$298Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

6:00 am - 6:18 pmPDX-ITO

14h 18m2 stops

6:49 pm - 8:55 amITO-PDX

12h 06m2 stops

$308Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

10:40 am - 10:14 pmPDX-ITO

13h 34m2 stops

9:47 am - 9:05 pmITO-PDX

9h 18m1 stop

$328Alaska Airlines

Find Deal

Fri, Jan 23 - Thu, Jan 29

5:55 pm - 7:05 amPDX-ITO

16h 10m1 stop

5:26 pm - 5:34 amITO-PDX

9h 08m1 stop

$333Alaska Airlines

Find Deal

Thu, Oct 23 - Thu, Oct 30

6:00 am - 3:18 pmPDX-ITO

11h 18m2 stops

5:30 pm - 7:48 amITO-PDX

12h 18m2 stops

$338Alaska Airlines

Find Deal

Fri, Jan 23 - Thu, Jan 29

1:25 pm - 10:19 pmPDX-ITO

11h 54m2 stops

4:21 pm - 5:34 amITO-PDX

10h 13m1 stop

$343Alaska Airlines

Find Deal

Wed, Oct 22 - Thu, Oct 30

12:33 pm - 10:26 pmPDX-ITO

12h 53m2 stops

6:01 pm - 9:06 amITO-PDX

13h 05m2 stops

$353Alaska Airlines

Find Deal

Mon, Oct 27 - Thu, Nov 6

5:50 pm - 7:00 amPDX-ITO

15h 10m1 stop

9:00 pm - 9:49 amITO-PDX

10h 49m2 stops

$359Alaska Airlines

Find Deal

Fri, Feb 27 - Sat, Feb 28

10:40 am - 6:18 pmPDX-ITO

9h 38m1 stop

5:30 pm - 6:00 amITO-PDX

10h 30m1 stop

$373Hawaiian Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 4

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Jan 13

PDX10:55 amPortland

10h 23m

1 stop

ITO7:18 pmHilo Intl

Jan 20

ITO9:00 pmHilo Intl

10h 49m

2 stops

PDX9:49 amPortland

$298

Find similar

Alaska Airlines

Jan 13

PDX6:00 amPortland

14h 18m

2 stops

ITO6:18 pmHilo Intl

Jan 20

ITO6:49 pmHilo Intl

12h 06m

2 stops

PDX8:55 amPortland

$308

Find similar

Alaska Airlines

Jan 23

PDX10:40 amPortland

13h 34m

2 stops

ITO10:14 pmHilo Intl

Jan 29

ITO9:47 amHilo Intl

9h 18m

1 stop

PDX9:05 pmPortland

$328

Find similar

Hawaiian Airlines flights from Portland to Hilo

Our best Hawaiian Airlines deals on Portland to Hilo flight tickets

Hawaiian Airlines

Jan 19

PDX10:55 amPortland

9h 23m

1 stop

ITO6:18 pmHilo Intl

Jan 29

ITO10:53 amHilo Intl

8h 12m

1 stop

PDX9:05 pmPortland

$288

Find similar

Hawaiian Airlines

Mar 3

PDX10:40 amPortland

9h 38m

1 stop

ITO6:18 pmHilo Intl

Mar 4

ITO5:30 pmHilo Intl

10h 30m

1 stop

PDX6:00 amPortland

$373

Find similar

Hawaiian Airlines

Jan 23

PDX10:55 amPortland

13h 19m

1 stop

ITO10:14 pmHilo Intl

Jan 29

ITO9:47 amHilo Intl

9h 18m

1 stop

PDX9:05 pmPortland

$390

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 1/19

10:55 am-6:18 pm

1 stop9h 23m

Hilo Intl

Thu 1/29

10:53 am-9:05 pm

1 stop8h 12m

$288

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:55 am-7:18 pm

1 stop10h 23m

Hilo Intl

Tue 1/20

9:00 pm-9:49 am

2 stops10h 49m

$298

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

6:00 am-6:18 pm

2 stops14h 18m

Hilo Intl

Tue 1/20

6:49 pm-8:55 am

2 stops12h 06m

$308

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

10:40 am-10:14 pm

2 stops13h 34m

Hilo Intl

Thu 1/29

9:47 am-9:05 pm

1 stop9h 18m

$328

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 10/23

5:55 pm-7:05 am

1 stop16h 10m

Hilo Intl

Thu 10/30

5:26 pm-5:34 am

1 stop9h 08m

$333

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

6:00 am-3:18 pm

2 stops11h 18m

Hilo Intl

Thu 1/29

5:30 pm-7:48 am

2 stops12h 18m

$338

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 10/22

1:25 pm-10:19 pm

2 stops11h 54m

Hilo Intl

Thu 10/30

4:21 pm-5:34 am

1 stop10h 13m

$343

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 10/27

12:33 pm-10:26 pm

2 stops12h 53m

Hilo Intl

Thu 11/6

6:01 pm-9:06 am

2 stops13h 05m

$353

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 2/27

5:50 pm-7:00 am

1 stop15h 10m

Hilo Intl

Sat 2/28

9:00 pm-9:49 am

2 stops10h 49m

$359

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

10:40 am-6:18 pm

1 stop9h 38m

Hilo Intl

Wed 3/4

5:30 pm-6:00 am

1 stop10h 30m

$373

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 $427. 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 $453.

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 $685 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 10% 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 September 2025, prices for Portland to Hilo flights are approximately 17% 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.

Search flight deals

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 7h 46m.
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 September 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 (45% of total bookings). The next most popular airlines are Hawaiian Airlines (40%) and Southwest (14%).

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 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $427	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $465	Free Cancellation	Rating 7.8 2,724 reviews	Search Hawaiian Airlines 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.