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.

10:34 am - 9:24 pm

PDX

ITO

12h 50m2 stops

9:55 am - 11:50 pm

ITO

PDX

11h 55m2 stops

$274Alaska Airlines

Wed, Jan 21 - Wed, Jan 28

10:30 am - 5:29 pm

PDX

ITO

8h 59m1 stop

6:00 am - 8:46 pm

ITO

PDX

12h 46m2 stops

$306Alaska Airlines

Wed, Jan 21 - Wed, Jan 28

7:10 am - 5:29 pm

PDX

ITO

12h 19m2 stops

8:24 am - 11:32 pm

ITO

PDX

13h 08m2 stops

$316Alaska Airlines

Mon, Jan 12 - Wed, Jan 21

7:00 am - 1:14 pm

PDX

ITO

8h 14m1 stop

6:44 pm - 5:31 am

ITO

PDX

8h 47m1 stop

$338Alaska Airlines

Tue, Jan 6 - Tue, Jan 13

10:30 am - 6:41 pm

PDX

ITO

10h 11m1 stop

6:00 am - 8:53 pm

ITO

PDX

12h 53m2 stops

$340Alaska Airlines

Tue, Mar 3 - Wed, Mar 4

1:36 pm - 10:35 pm

PDX

ITO

10h 59m2 stops

7:42 am - 11:42 pm

ITO

PDX

14h 00m2 stops

$346Alaska Airlines

Sat, Feb 28 - Thu, Mar 5

5:10 am - 3:55 pm

PDX

ITO

12h 45m2 stops

6:44 pm - 5:31 am

ITO

PDX

8h 47m1 stop

$348Alaska Airlines

Tue, Jan 6 - Tue, Jan 13

7:05 am - 5:29 pm

PDX

ITO

12h 24m2 stops

6:44 pm - 9:42 am

ITO

PDX

12h 58m2 stops

$356Alaska Airlines

Tue, Mar 3 - Wed, Mar 4

5:10 am - 2:29 pm

PDX

ITO

11h 19m2 stops

5:59 pm - 9:35 am

ITO

PDX

13h 36m2 stops

$358Alaska Airlines

Tue, Jan 6 - Tue, Jan 13

10:30 am - 7:04 pm

PDX

ITO

10h 34m1 stop

7:44 pm - 5:31 am

ITO

PDX

7h 47m1 stop

$368Alaska Airlines

Thu, Jan 8 - Fri, Jan 16

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Jan 21

PDX10:34 amPortland

12h 50m

2 stops

ITO9:24 pmHilo Intl

Jan 28

ITO9:55 amHilo Intl

11h 55m

2 stops

PDX11:50 pmPortland

$274

Find similar

Alaska Airlines

Jan 21

PDX10:30 amPortland

8h 59m

1 stop

ITO5:29 pmHilo Intl

Jan 28

ITO6:00 amHilo Intl

12h 46m

2 stops

PDX8:46 pmPortland

$306

Find similar

Alaska Airlines

Jan 12

PDX7:10 amPortland

12h 19m

2 stops

ITO5:29 pmHilo Intl

Jan 21

ITO8:24 amHilo Intl

13h 08m

2 stops

PDX11:32 pmPortland

$316

Find similar

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Jan 24

PDX6:50 amPortland

13h 20m

2 stops

ITO6:10 pmHilo Intl

Feb 1

ITO6:00 amHilo Intl

12h 45m

2 stops

PDX8:45 pmPortland

$468

Find similar

Southwest

Apr 13

PDX5:30 amPortland

12h 00m

2 stops

ITO2:30 pmHilo Intl

Apr 17

ITO6:00 amHilo Intl

13h 10m

2 stops

PDX10:10 pmPortland

$529

Find similar

Southwest

Dec 20

PDX6:55 amPortland

13h 15m

2 stops

ITO6:10 pmHilo Intl

Dec 24

ITO6:00 amHilo Intl

11h 55m

2 stops

PDX7:55 pmPortland

$1,484

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/21

10:34 am-9:24 pm

2 stops12h 50m

Hilo Intl

Wed 1/28

9:55 am-11:50 pm

2 stops11h 55m

$274

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 1/21

10:30 am-5:29 pm

1 stop8h 59m

Hilo Intl

Wed 1/28

6:00 am-8:46 pm

2 stops12h 46m

$306

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 1/12

7:10 am-5:29 pm

2 stops12h 19m

Hilo Intl

Wed 1/21

8:24 am-11:32 pm

2 stops13h 08m

$316

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

7:00 am-1:14 pm

1 stop8h 14m

Hilo Intl

Tue 1/13

6:44 pm-5:31 am

1 stop8h 47m

$338

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

10:30 am-6:41 pm

1 stop10h 11m

Hilo Intl

Wed 3/4

6:00 am-8:53 pm

2 stops12h 53m

$340

PortlandHilo

PDX - ITO

PDXITO

Portland

Sat 2/28

1:36 pm-10:35 pm

2 stops10h 59m

Hilo Intl

Thu 3/5

7:42 am-11:42 pm

2 stops14h 00m

$346

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-3:55 pm

2 stops12h 45m

Hilo Intl

Tue 1/13

6:44 pm-5:31 am

1 stop8h 47m

$348

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 3/3

7:05 am-5:29 pm

2 stops12h 24m

Hilo Intl

Wed 3/4

6:44 pm-9:42 am

2 stops12h 58m

$356

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 1/6

5:10 am-2:29 pm

2 stops11h 19m

Hilo Intl

Tue 1/13

5:59 pm-9:35 am

2 stops13h 36m

$358

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 1/8

10:30 am-7:04 pm

1 stop10h 34m

Hilo Intl

Fri 1/16

7:44 pm-5:31 am

1 stop7h 47m

$368

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 37% 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	9h 09m
Direct flights	None

The fastest flight from Portland to Hilo takes 9h 09m

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 14m.
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 (60% of total bookings). The next most popular airlines are Hawaiian Airlines (29%) and Southwest (11%).

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 11,420 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $413	Free Cancellation	Rating 7.8 2,818 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $489	Free Cancellation	Rating 7.9 4,252 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.