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 61% 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 is the most popular carrier 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 December 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.

$157 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.

10:20 am - 5:29 pm

PDX

ITO

9h 09m1 stop

7:41 pm - 10:56 am

ITO

PDX

13h 15m2 stops

$306Multiple Airlines

Wed, Feb 25 - Mon, Mar 2

5:40 pm - 7:04 am

PDX

ITO

15h 24m1 stop

12:09 pm - 5:31 am

ITO

PDX

15h 22m1 stop

$324Multiple Airlines

Thu, Jan 22 - Thu, Jan 29

10:30 am - 6:41 pm

PDX

ITO

10h 11m1 stop

6:44 pm - 9:42 am

ITO

PDX

12h 58m2 stops

$332Multiple Airlines

Tue, Mar 3 - Wed, Mar 4

5:40 pm - 7:04 am

PDX

ITO

15h 24m1 stop

9:00 pm - 9:23 am

ITO

PDX

10h 23m2 stops

$334Multiple Airlines

Thu, Jan 8 - Fri, Jan 16

5:40 pm - 7:04 am

PDX

ITO

15h 24m1 stop

11:11 am - 11:50 pm

ITO

PDX

10h 39m2 stops

$336Multiple Airlines

Fri, Jan 23 - Thu, Jan 29

1:38 pm - 10:34 pm

PDX

ITO

10h 56m2 stops

11:11 am - 11:50 pm

ITO

PDX

10h 39m2 stops

$346Multiple Airlines

Fri, Jan 23 - Thu, Jan 29

5:10 am - 2:29 pm

PDX

ITO

11h 19m2 stops

1:42 pm - 5:31 am

ITO

PDX

13h 49m1 stop

$348Multiple Airlines

Tue, Jan 6 - Tue, Jan 13

5:40 pm - 7:04 am

PDX

ITO

15h 24m1 stop

5:59 pm - 5:31 am

ITO

PDX

9h 32m1 stop

$354Multiple Airlines

Fri, Jan 23 - Thu, Jan 29

7:05 am - 6:41 pm

PDX

ITO

13h 36m2 stops

7:41 pm - 9:42 am

ITO

PDX

12h 01m2 stops

$356Multiple Airlines

Tue, Mar 3 - Wed, Mar 4

5:10 am - 3:14 pm

PDX

ITO

12h 04m2 stops

9:55 am - 10:46 pm

ITO

PDX

10h 51m2 stops

$358Multiple Airlines

Tue, Jan 6 - Tue, Jan 13

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Feb 12

PDX6:10 amPortland

14h 00m

2 stops

ITO6:10 pmHilo Intl

Feb 15

ITO6:00 amHilo Intl

12h 45m

2 stops

PDX8:45 pmPortland

$483

Find similar

Southwest

Jan 15

PDX7:10 amPortland

13h 00m

2 stops

ITO6:10 pmHilo Intl

Jan 22

ITO3:25 pmHilo Intl

17h 25m

2 stops

PDX10:50 amPortland

$546

Find similar

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Jan 8

PDX10:30 amPortland

10h 34m

1 stop

ITO7:04 pmHilo Intl

Jan 16

ITO9:55 amHilo Intl

8h 55m

1 stop

PDX8:50 pmPortland

$360

Find similar

Alaska Airlines

Feb 23

PDX10:30 amPortland

8h 59m

1 stop

ITO5:29 pmHilo Intl

Feb 28

ITO6:00 amHilo Intl

8h 10m

1 stop

PDX4:10 pmPortland

$600

Find similar

Alaska Airlines

Dec 22

PDX10:30 amPortland

12h 45m

1 stop

ITO9:15 pmHilo Intl

Dec 29

ITO7:44 pmHilo Intl

7h 41m

1 stop

PDX5:25 amPortland

$908

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 2/25

10:20 am-5:29 pm

1 stop9h 09m

Hilo Intl

Mon 3/2

7:41 pm-10:56 am

2 stops13h 15m

$306

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/22

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

12:09 pm-5:31 am

1 stop15h 22m

$324

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

10:30 am-6:41 pm

1 stop10h 11m

Hilo Intl

Wed 3/4

6:44 pm-9:42 am

2 stops12h 58m

$332

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/8

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Fri 1/16

9:00 pm-9:23 am

2 stops10h 23m

$334

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

11:11 am-11:50 pm

2 stops10h 39m

$336

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

1:38 pm-10:34 pm

2 stops10h 56m

Hilo Intl

Thu 1/29

11:11 am-11:50 pm

2 stops10h 39m

$346

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-2:29 pm

2 stops11h 19m

Hilo Intl

Tue 1/13

1:42 pm-5:31 am

1 stop13h 49m

$348

PortlandHilo

PDX - ITO

PDXITO

Portland

Fri 1/23

5:40 pm-7:04 am

1 stop15h 24m

Hilo Intl

Thu 1/29

5:59 pm-5:31 am

1 stop9h 32m

$354

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

7:05 am-6:41 pm

2 stops13h 36m

Hilo Intl

Wed 3/4

7:41 pm-9:42 am

2 stops12h 01m

$356

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-3:14 pm

2 stops12h 04m

Hilo Intl

Tue 1/13

9:55 am-10:46 pm

2 stops10h 51m

$358

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 $698 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 18% 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 December 2025, prices for Portland to Hilo flights are approximately 0% 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

Fastest flight time	7h 56m
Direct flights	None

The fastest flight from Portland to Hilo takes 7h 56m

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 56m.
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 December 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 (62% of total bookings). The next most popular airlines are Hawaiian Airlines (28%) and Southwest (10%).

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 11,479 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $413	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $489	Free Cancellation	Rating 7.9 4,251 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.