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 February 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.

$246 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.

7:10 am - 6:10 pm

PDX

ITO

13h 00m

2 stops

6:00 am - 9:15 pm

ITO

PDX

13h 15m

2 stops

$331Southwest

Mon, Feb 23 - Fri, Feb 27

10:45 am - 9:45 pm

PDX

ITO

14h 00m

2 stops

8:00 am - 10:40 pm

ITO

PDX

11h 40m

2 stops

$351Southwest

Mon, Apr 20 - Thu, Apr 30

7:10 am - 6:10 pm

PDX

ITO

13h 00m

2 stops

7:55 am - 11:00 pm

ITO

PDX

13h 05m

2 stops

$369Southwest

Tue, Feb 17 - Fri, Feb 27

6:00 am - 5:39 pm

PDX

ITO

14h 39m

2 stops

4:45 pm - 9:32 am

ITO

PDX

13h 47m

2 stops

$371Multiple Airlines

Tue, May 5 - Tue, May 12

6:00 am - 5:39 pm

PDX

ITO

14h 39m

2 stops

9:00 pm - 10:56 am

ITO

PDX

10h 56m

2 stops

$379Multiple Airlines

Tue, May 5 - Mon, May 11

5:30 am - 7:10 pm

PDX

ITO

15h 40m

2 stops

8:00 am - 12:55 am

ITO

PDX

13h 55m

2 stops

$387Southwest

Thu, Mar 5 - Mon, Mar 9

7:25 am - 6:10 pm

PDX

ITO

12h 45m

2 stops

6:00 am - 8:35 pm

ITO

PDX

11h 35m

2 stops

$389Southwest

Sun, Mar 1 - Sun, Mar 8

7:00 am - 11:54 am

PDX

ITO

7h 54m

1 stop

6:44 pm - 9:32 am

ITO

PDX

11h 48m

2 stops

$394Multiple Airlines

Wed, May 6 - Tue, May 12

7:10 am - 6:10 pm

PDX

ITO

13h 00m

2 stops

7:55 am - 10:05 pm

ITO

PDX

12h 10m

2 stops

$397Southwest

Thu, Feb 19 - Mon, Feb 23

6:00 am - 5:39 pm

PDX

ITO

14h 39m

2 stops

9:59 am - 8:48 pm

ITO

PDX

7h 49m

1 stop

$399Multiple Airlines

Tue, May 5 - Tue, May 12

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Feb 23

PDX7:10 amPortland

13h 00m

2 stops

ITO6:10 pmHilo Intl

Feb 24

ITO6:55 pmHilo Intl

13h 55m

2 stops

PDX10:50 amPortland

$331

Southwest

Mar 1

PDX7:25 amPortland

12h 45m

2 stops

ITO6:10 pmHilo Intl

Mar 8

ITO6:00 amHilo Intl

11h 35m

2 stops

PDX8:35 pmPortland

$389

Southwest

Feb 19

PDX7:10 amPortland

13h 00m

2 stops

ITO6:10 pmHilo Intl

Feb 23

ITO7:55 amHilo Intl

12h 10m

2 stops

PDX10:05 pmPortland

$397

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

May 7

PDX10:35 amPortland

8h 39m

1 stop

ITO4:14 pmHilo Intl

May 11

ITO9:59 amHilo Intl

7h 49m

1 stop

PDX8:48 pmPortland

$489

Alaska Airlines

Feb 4

PDX10:21 amPortland

10h 43m

1 stop

ITO7:04 pmHilo Intl

Feb 6

ITO9:00 pmHilo Intl

17h 19m

1 stop

PDX4:19 pmPortland

$547

Alaska Airlines

Feb 9

PDX10:30 amPortland

10h 34m

1 stop

ITO7:04 pmHilo Intl

Feb 13

ITO10:56 amHilo Intl

7h 54m

1 stop

PDX8:50 pmPortland

$889

Fly from

Fly to

Route

Depart

Return

Price

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 2/23

7:10 am-6:10 pm

2 stops13h 00m

Hilo Intl

Fri 2/27

6:00 am-9:15 pm

2 stops13h 15m

$331

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 4/20

10:45 am-9:45 pm

2 stops14h 00m

Hilo Intl

Thu 4/30

8:00 am-10:40 pm

2 stops11h 40m

$351

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 2/17

7:10 am-6:10 pm

2 stops13h 00m

Hilo Intl

Fri 2/27

7:55 am-11:00 pm

2 stops13h 05m

$369

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/5

6:00 am-5:39 pm

2 stops14h 39m

Hilo Intl

Tue 5/12

4:45 pm-9:32 am

2 stops13h 47m

$371

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/5

6:00 am-5:39 pm

2 stops14h 39m

Hilo Intl

Mon 5/11

9:00 pm-10:56 am

2 stops10h 56m

$379

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 3/5

5:30 am-7:10 pm

2 stops15h 40m

Hilo Intl

Mon 3/9

8:00 am-12:55 am

2 stops13h 55m

$387

PortlandHilo

PDX - ITO

PDXITO

Portland

Sun 3/1

7:25 am-6:10 pm

2 stops12h 45m

Hilo Intl

Sun 3/8

6:00 am-8:35 pm

2 stops11h 35m

$389

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/6

7:00 am-11:54 am

1 stop7h 54m

Hilo Intl

Tue 5/12

6:44 pm-9:32 am

2 stops11h 48m

$394

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 2/19

7:10 am-6:10 pm

2 stops13h 00m

Hilo Intl

Mon 2/23

7:55 am-10:05 pm

2 stops12h 10m

$397

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/5

6:00 am-5:39 pm

2 stops14h 39m

Hilo Intl

Tue 5/12

9:59 am-8:48 pm

1 stop7h 49m

$399

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 $691 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 February 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 (62% of total bookings). The next most popular airlines are Hawaiian Airlines (26%) 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 11,825 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $396	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $399	Free Cancellation	Rating 7.8 2,830 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.