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

Southwest and Alaska 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 65% 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 January 2026, 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.

$194 Cheap Flights from Portland to Hilo in 2026

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Find the cheapest flights from Portland to Hilo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 2:30 pm

PDX

ITO

11h 30m

2 stops

8:00 am - 10:25 pm

ITO

PDX

11h 25m

2 stops

$295Southwest

ter, mai 5 - ter, mai 12

9:55 am - 9:40 pm

PDX

ITO

13h 45m

2 stops

7:55 am - 11:00 pm

ITO

PDX

13h 05m

2 stops

$313Southwest

seg, fev 23 - sex, fev 27

7:25 am - 6:10 pm

PDX

ITO

12h 45m

2 stops

7:00 am - 10:25 pm

ITO

PDX

13h 25m

2 stops

$331Southwest

dom, mar 1 - qui, mar 5

5:30 am - 2:30 pm

PDX

ITO

12h 00m

2 stops

6:00 am - 10:10 pm

ITO

PDX

13h 10m

2 stops

$333Southwest

seg, abr 27 - seg, mai 4

7:10 am - 6:10 pm

PDX

ITO

13h 00m

2 stops

7:55 am - 11:00 pm

ITO

PDX

13h 05m

2 stops

$335Southwest

qui, fev 19 - qui, fev 26

5:30 pm - 7:05 am

PDX

ITO

15h 35m

1 stop

5:57 pm - 8:10 am

ITO

PDX

11h 13m

2 stops

$345Multiple Airlines

qui, fev 26 - qua, abr 1

5:30 pm - 7:05 am

PDX

ITO

15h 35m

1 stop

7:41 pm - 8:49 am

ITO

PDX

11h 08m

2 stops

$363Multiple Airlines

qui, fev 19 - qui, fev 26

6:00 am - 5:39 pm

PDX

ITO

14h 39m

2 stops

9:00 pm - 11:18 am

ITO

PDX

11h 18m

2 stops

$371Multiple Airlines

ter, mai 5 - qui, mai 14

6:00 am - 5:41 pm

PDX

ITO

14h 41m

2 stops

9:00 pm - 10:33 am

ITO

PDX

10h 33m

2 stops

$373Multiple Airlines

qua, mar 11 - qua, mar 18

1:36 pm - 10:35 pm

PDX

ITO

10h 59m

2 stops

5:59 pm - 5:27 am

ITO

PDX

9h 28m

1 stop

$379Multiple Airlines

dom, mar 1 - qui, mar 5

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Feb 23

PDX9:55 amPortland

13h 45m

2 stops

ITO9:40 pmHilo Intl

Mar 3

ITO6:00 amHilo Intl

11h 55m

2 stops

PDX7:55 pmPortland

$331

Southwest

Mar 1

PDX7:25 amPortland

12h 45m

2 stops

ITO6:10 pmHilo Intl

Mar 7

ITO9:00 amHilo Intl

10h 55m

2 stops

PDX9:55 pmPortland

$385

Southwest

Mar 12

PDX5:30 amPortland

12h 00m

2 stops

ITO2:30 pmHilo Intl

Mar 17

ITO6:00 amHilo Intl

13h 00m

2 stops

PDX10:00 pmPortland

$407

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

May 14

PDX7:55 amPortland

10h 46m

1 stop

ITO3:41 pmHilo Intl

May 19

ITO5:30 pmHilo Intl

9h 50m

1 stop

PDX6:20 amPortland

$484

Alaska Airlines

Jun 24

PDX5:32 pmPortland

7h 24m

1 stop

ITO9:56 pmHilo Intl

Jul 2

ITO7:52 pmHilo Intl

7h 19m

1 stop

PDX6:11 amPortland

$595

Alaska Airlines

May 22

PDX10:40 amPortland

10h 40m

1 stop

ITO6:20 pmHilo Intl

May 28

ITO4:40 pmHilo Intl

10h 40m

1 stop

PDX6:20 amPortland

$635

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

ter 5/5

6:00 am-2:30 pm

2 stops11h 30m

Hilo Intl

ter 5/12

8:00 am-10:25 pm

2 stops11h 25m

$295

PortlandHilo

PDX - ITO

PDXITO

Portland

seg 2/23

9:55 am-9:40 pm

2 stops13h 45m

Hilo Intl

sex 2/27

7:55 am-11:00 pm

2 stops13h 05m

$313

PortlandHilo

PDX - ITO

PDXITO

Portland

dom 3/1

7:25 am-6:10 pm

2 stops12h 45m

Hilo Intl

qui 3/5

7:00 am-10:25 pm

2 stops13h 25m

$331

PortlandHilo

PDX - ITO

PDXITO

Portland

seg 4/27

5:30 am-2:30 pm

2 stops12h 00m

Hilo Intl

seg 5/4

6:00 am-10:10 pm

2 stops13h 10m

$333

PortlandHilo

PDX - ITO

PDXITO

Portland

qui 2/19

7:10 am-6:10 pm

2 stops13h 00m

Hilo Intl

qui 2/26

7:55 am-11:00 pm

2 stops13h 05m

$335

PortlandHilo

PDX - ITO

PDXITO

Portland

qui 2/26

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

qua 4/1

5:57 pm-8:10 am

2 stops11h 13m

$345

PortlandHilo

PDX - ITO

PDXITO

Portland

qui 2/19

5:30 pm-7:05 am

1 stop15h 35m

Hilo Intl

qui 2/26

7:41 pm-8:49 am

2 stops11h 08m

$363

PortlandHilo

PDX - ITO

PDXITO

Portland

ter 5/5

6:00 am-5:39 pm

2 stops14h 39m

Hilo Intl

qui 5/14

9:00 pm-11:18 am

2 stops11h 18m

$371

PortlandHilo

PDX - ITO

PDXITO

Portland

qua 3/11

6:00 am-5:41 pm

2 stops14h 41m

Hilo Intl

qua 3/18

9:00 pm-10:33 am

2 stops10h 33m

$373

PortlandHilo

PDX - ITO

PDXITO

Portland

dom 3/1

1:36 pm-10:35 pm

2 stops10h 59m

Hilo Intl

qui 3/5

5:59 pm-5:27 am

1 stop9h 28m

$379

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 $410. 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.

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 $692 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 28% on your flight if you consider stops on a Portland to Hilo flight.

How have Portland to Hilo flight prices changed over time?

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 24m
Direct flights	None

The fastest flight from Portland to Hilo takes 7h 24m

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 24m.
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 January 2026, 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 (63% of total bookings). The next most popular airlines are Hawaiian Airlines (27%) 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 11,808 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $399	Free Cancellation	Rating 7.8 2,830 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $477	Free Cancellation	Rating 8.0 4,267 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.