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

Alaska Airlines, Delta, and American 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 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.

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.

$286 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

7:44 pm - 9:29 amITO-PDX

11h 45m2 stops

$355Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

7:10 am - 5:29 pmPDX-ITO

12h 19m2 stops

7:44 pm - 9:29 amITO-PDX

11h 45m2 stops

$365Alaska 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

$368Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

7:00 am - 3:17 pmPDX-ITO

10h 17m1 stop

8:30 pm - 9:32 amITO-PDX

11h 02m2 stops

$370Alaska Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

10:30 am - 5:29 pmPDX-ITO

8h 59m1 stop

5:59 pm - 5:31 amITO-PDX

9h 32m1 stop

$377Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

7:10 am - 5:29 pmPDX-ITO

12h 19m2 stops

7:44 pm - 9:29 amITO-PDX

11h 45m2 stops

$378Alaska Airlines

Find Deal

Tue, Jan 13 - Tue, Jan 20

7:00 am - 5:39 pmPDX-ITO

12h 39m2 stops

7:44 pm - 9:32 amITO-PDX

11h 48m2 stops

$380Alaska Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 16

10:30 am - 7:04 pmPDX-ITO

10h 34m1 stop

7:35 am - 8:50 pmITO-PDX

11h 15m1 stop

$384Alaska Airlines

Find Deal

Thu, Jan 8 - Fri, Jan 16

10:34 am - 9:24 pmPDX-ITO

12h 50m2 stops

6:00 am - 11:50 pmITO-PDX

15h 50m2 stops

$387Alaska Airlines

Find Deal

Wed, Feb 4 - Sat, Feb 7

5:51 pm - 4:13 pmPDX-ITO

24h 22m2 stops

8:30 pm - 4:50 pmITO-PDX

18h 20m2 stops

$393Alaska Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 9

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Apr 1

PDX7:10 amPortland

14h 00m

2 stops

ITO6:10 pmHilo Intl

Apr 8

ITO6:00 amHilo Intl

11h 45m

2 stops

PDX8:45 pmPortland

$527

Find similar

Southwest

Dec 11

PDX7:15 amPortland

12h 55m

2 stops

ITO6:10 pmHilo Intl

Dec 18

ITO6:00 amHilo Intl

10h 30m

2 stops

PDX6:30 pmPortland

$531

Find similar

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Jan 13

PDX10:30 amPortland

8h 59m

1 stop

ITO5:29 pmHilo Intl

Jan 20

ITO7:44 pmHilo Intl

11h 45m

2 stops

PDX9:29 amPortland

$355

Find similar

Alaska Airlines

Jan 13

PDX7:10 amPortland

12h 19m

2 stops

ITO5:29 pmHilo Intl

Jan 20

ITO7:44 pmHilo Intl

11h 45m

2 stops

PDX9:29 amPortland

$365

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

$368

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Tue 1/20

7:44 pm-9:29 am

2 stops11h 45m

$355

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

7:10 am-5:29 pm

2 stops12h 19m

Hilo Intl

Tue 1/20

7:44 pm-9:29 am

2 stops11h 45m

$365

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

$368

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 12/9

7:00 am-3:17 pm

1 stop10h 17m

Hilo Intl

Tue 12/16

8:30 pm-9:32 am

2 stops11h 02m

$370

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Tue 1/20

5:59 pm-5:31 am

1 stop9h 32m

$377

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/13

7:10 am-5:29 pm

2 stops12h 19m

Hilo Intl

Tue 1/20

7:44 pm-9:29 am

2 stops11h 45m

$378

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 12/9

7:00 am-5:39 pm

2 stops12h 39m

Hilo Intl

Tue 12/16

7:44 pm-9:32 am

2 stops11h 48m

$380

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/8

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Fri 1/16

7:35 am-8:50 pm

1 stop11h 15m

$384

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 2/4

10:34 am-9:24 pm

2 stops12h 50m

Hilo Intl

Sat 2/7

6:00 am-11:50 pm

2 stops15h 50m

$387

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 2/2

5:51 pm-4:13 pm

2 stops24h 22m

Hilo Intl

Mon 2/9

8:30 pm-4:50 pm

2 stops18h 20m

$393

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 $693 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 79% 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 8h 01m.
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 11,281 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $450	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $489	Free Cancellation	Rating 8.0 4,236 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.