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

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

What airlines fly to Hilo?

Alaska Airlines, Hawaiian Airlines and Delta 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 56% 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 July 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.

$174 Cheap Flights from Portland to Hilo in 2025

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0 bags

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Find the cheapest flights from Portland to Hilo

Round-trip

One-way

Last minute

Cheap round-trip flights

10:40 am - 4:56 pmPDX-ITO

9h 16m1 stop

6:10 pm - 6:00 amITO-PDX

8h 50m1 stop

$288Alaska Airlines

Find Deal

Thu, Sep 25 - Mon, Sep 29

1:24 pm - 10:17 pmPDX-ITO

11h 53m2 stops

7:00 pm - 6:00 amITO-PDX

8h 00m1 stop

$298Alaska Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

1:24 pm - 10:17 pmPDX-ITO

11h 53m2 stops

6:10 pm - 8:52 amITO-PDX

11h 42m2 stops

$308Alaska Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

10:40 am - 4:56 pmPDX-ITO

9h 16m1 stop

6:00 am - 4:33 pmITO-PDX

7h 33m1 stop

$318Alaska Airlines

Find Deal

Wed, Sep 24 - Sat, Oct 4

1:24 pm - 10:17 pmPDX-ITO

11h 53m2 stops

5:26 pm - 6:00 amITO-PDX

9h 34m1 stop

$328Alaska Airlines

Find Deal

Sat, Sep 27 - Thu, Oct 2

7:00 am - 5:39 pmPDX-ITO

13h 39m1 stop

5:26 pm - 6:00 amITO-PDX

9h 34m1 stop

$333Alaska Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

1:24 pm - 10:17 pmPDX-ITO

11h 53m2 stops

5:26 pm - 8:52 amITO-PDX

12h 26m2 stops

$338Alaska Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

7:04 am - 4:54 pmPDX-ITO

12h 50m2 stops

7:00 pm - 6:00 amITO-PDX

8h 00m1 stop

$343Alaska Airlines

Find Deal

Wed, Aug 13 - Thu, Aug 28

1:24 pm - 10:17 pmPDX-ITO

11h 53m2 stops

9:43 am - 10:40 pmITO-PDX

9h 57m1 stop

$352Alaska Airlines

Find Deal

Sat, Sep 27 - Sun, Sep 28

10:40 am - 4:56 pmPDX-ITO

9h 16m1 stop

5:26 pm - 6:00 amITO-PDX

9h 34m1 stop

$355Alaska Airlines

Find Deal

Tue, Sep 23 - Wed, Oct 1

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Sep 25

PDX10:40 amPortland

9h 16m

1 stop

ITO4:56 pmHilo Intl

Sep 29

ITO6:10 pmHilo Intl

8h 50m

1 stop

PDX6:00 amPortland

$288

Find similar

Alaska Airlines

Sep 2

PDX1:24 pmPortland

11h 53m

2 stops

ITO10:17 pmHilo Intl

Sep 9

ITO7:00 pmHilo Intl

8h 00m

1 stop

PDX6:00 amPortland

$298

Find similar

Alaska Airlines

Sep 2

PDX1:24 pmPortland

11h 53m

2 stops

ITO10:17 pmHilo Intl

Sep 9

ITO6:10 pmHilo Intl

11h 42m

2 stops

PDX8:52 amPortland

$308

Find similar

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Jul 15

PDX6:15 amPortland

12h 45m

2 stops

ITO4:00 pmHilo Intl

Jul 23

ITO7:55 amHilo Intl

11h 05m

2 stops

PDX10:00 pmPortland

$662

Find similar

Southwest

Jul 13

PDX5:00 amPortland

12h 30m

2 stops

ITO2:30 pmHilo Intl

Jul 15

ITO6:00 amHilo Intl

12h 55m

2 stops

PDX9:55 pmPortland

$758

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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 October is, on average, the cheapest month to fly to Hilo from Portland, with most prices found around $557. If you’re not able to fly to Hilo in October, then January is your next best option. Flight prices from Portland to Hilo during January average around $588.

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 $715 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 $374 on momondo.

Can stopping save me money on Portland to Hilo flights?

You could potentially save up to 3% 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 July 2025, prices for Portland to Hilo flights are approximately 3% 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

Best Price Found	$174
Fastest flight time	8h 25m
Direct flights	None
Airports in Hilo	1 airport

The best one-way flight to Hilo from Portland in the past 72 hours is $174. The best round-trip flight deal from Portland to Hilo found on momondo in the last 72 hours is $288.

The fastest flight from Portland to Hilo takes 8h 25m

There are no direct flights from Portland to Hilo. Popular non-direct route for this connection is Portland Airport - Hilo Intl Airport.

There is 1 airport near Hilo: Hilo Intl (ITO)

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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 25m.
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 July 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 Hawaiian Airlines (53% of total bookings). The next most popular airlines are Alaska Airlines (32%) and Southwest (16%).

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 4,246 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $495	Free Cancellation	Rating 7.8 2,564 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.