What airlines fly to Hilo?

Alaska Airlines, Delta and Southwest 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 71% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 5 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?

Southwest 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 September 2026, there are 2 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.

$224 Cheap Flights from Portland to Hilo in 2026

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.

5:00 am - 1:20 pmPDX Portland-ITO Hilo Intl

10h 20m1 stop Las Vegas Harry Reid Intl

6:00 am - 7:15 pmITO Hilo Intl-PDX Portland

11h 15m2 stops Honolulu San Jose

$442Southwest

Thu, Nov 5 - Tue, Nov 17

5:10 am - 6:10 pmPDX Portland-ITO Hilo Intl

15h 00m2 stops Phoenix Sky Harbor Intl Honolulu

6:55 pm - 10:50 amITO Hilo Intl-PDX Portland

13h 55m2 stops Honolulu Phoenix Sky Harbor Intl

$447Southwest

Thu, Nov 5 - Tue, Nov 17

6:00 am - 6:19 pmPDX Portland-ITO Hilo Intl

14h 19m2 stops Los Angeles Kahului

6:51 pm - 8:40 amITO Hilo Intl-PDX Portland

11h 49m2 stops Honolulu Los Angeles

$447Multiple Airlines

Tue, Dec 15 - Thu, Jan 7

6:00 am - 6:19 pmPDX Portland-ITO Hilo Intl

14h 19m2 stops Los Angeles Kahului

7:30 pm - 8:40 amITO Hilo Intl-PDX Portland

11h 10m2 stops Honolulu Los Angeles

$447Multiple Airlines

Mon, Dec 14 - Thu, Jan 7

6:00 am - 6:19 pmPDX Portland-ITO Hilo Intl

14h 19m2 stops Los Angeles Kahului

7:30 pm - 8:40 amITO Hilo Intl-PDX Portland

11h 10m2 stops Honolulu Los Angeles

$458Multiple Airlines

Tue, Dec 15 - Fri, Jan 8

6:00 am - 6:19 pmPDX Portland-ITO Hilo Intl

14h 19m2 stops Los Angeles Kahului

7:30 pm - 8:40 amITO Hilo Intl-PDX Portland

11h 10m2 stops Honolulu Los Angeles

$458Multiple Airlines

Mon, Dec 14 - Fri, Jan 8

6:20 am - 6:15 pmPDX Portland-ITO Hilo Intl

14h 55m2 stops Oakland Honolulu

6:55 pm - 1:00 pmITO Hilo Intl-PDX Portland

15h 05m2 stops Honolulu San Diego

$477Southwest

Sat, Oct 24 - Tue, Oct 27

5:10 am - 12:35 pmPDX Portland-ITO Hilo Intl

10h 25m1 stop Las Vegas Harry Reid Intl

8:45 pm - 10:25 amITO Hilo Intl-PDX Portland

10h 40m1 stop Las Vegas Harry Reid Intl

$477Southwest

Fri, Oct 16 - Fri, Oct 23

5:10 am - 12:35 pmPDX Portland-ITO Hilo Intl

10h 25m1 stop Las Vegas Harry Reid Intl

8:45 pm - 12:20 pmITO Hilo Intl-PDX Portland

12h 35m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$483Southwest

Fri, Oct 16 - Fri, Oct 23

8:20 am - 6:19 pmPDX Portland-ITO Hilo Intl

11h 59m2 stops Kona Intl Kahului

2:07 pm - 5:48 amITO Hilo Intl-PDX Portland

13h 41m1 stop Honolulu

$943Alaska Airlines

Tue, Dec 22 - Wed, Jan 6

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Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Nov 5

PDX5:00 amPortland

10h 20m

1 stop

ITO1:20 pmHilo Intl

Nov 17

ITO6:00 amHilo Intl

11h 15m

2 stops

PDX7:15 pmPortland

$442

Southwest

Oct 16

PDX5:10 amPortland

10h 25m

1 stop

ITO12:35 pmHilo Intl

Oct 23

ITO8:45 pmHilo Intl

10h 40m

1 stop

PDX10:25 amPortland

$477

Southwest

Oct 16

PDX5:10 amPortland

10h 25m

1 stop

ITO12:35 pmHilo Intl

Oct 23

ITO8:45 pmHilo Intl

12h 35m

2 stops

PDX12:20 pmPortland

$483

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Oct 20

PDX10:30 amPortland

8h 49m

1 stop

ITO4:19 pmHilo Intl

Oct 25

ITO7:30 pmHilo Intl

7h 49m

1 stop

PDX6:19 amPortland

$546

Alaska Airlines

Dec 14

PDX7:20 amPortland

8h 03m

1 stop

ITO1:23 pmHilo Intl

Jan 7

ITO9:26 amHilo Intl

9h 24m

1 stop

PDX8:50 pmPortland

$566

Alaska Airlines

Oct 14

PDX8:00 amPortland

8h 06m

1 stop

ITO1:06 pmHilo Intl

Oct 19

ITO6:49 pmHilo Intl

8h 30m

1 stop

PDX6:19 amPortland

$581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Thu 11/5

5:00 am-1:20 pm

1 stop10h 20m

Hilo Intl

Tue 11/17

6:00 am-7:15 pm

2 stops11h 15m

$442

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Thu 11/5

5:10 am-6:10 pm

2 stops15h 00m

Hilo Intl

Tue 11/17

6:55 pm-10:50 am

2 stops13h 55m

$447

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Tue 12/15

6:00 am-6:19 pm

2 stops14h 19m

Hilo Intl

Thu 1/7

6:51 pm-8:40 am

2 stops11h 49m

$447

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 12/14

6:00 am-6:19 pm

2 stops14h 19m

Hilo Intl

Thu 1/7

7:30 pm-8:40 am

2 stops11h 10m

$447

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Tue 12/15

6:00 am-6:19 pm

2 stops14h 19m

Hilo Intl

Fri 1/8

7:30 pm-8:40 am

2 stops11h 10m

$458

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 12/14

6:00 am-6:19 pm

2 stops14h 19m

Hilo Intl

Fri 1/8

7:30 pm-8:40 am

2 stops11h 10m

$458

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Sat 10/24

6:20 am-6:15 pm

2 stops14h 55m

Hilo Intl

Tue 10/27

6:55 pm-1:00 pm

2 stops15h 05m

$477

Quickest round-trip

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Fri 10/16

5:10 am-12:35 pm

1 stop10h 25m

Hilo Intl

Fri 10/23

8:45 pm-10:25 am

1 stop10h 40m

$477

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Fri 10/16

5:10 am-12:35 pm

1 stop10h 25m

Hilo Intl

Fri 10/23

8:45 pm-12:20 pm

2 stops12h 35m

$483

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Tue 12/22

8:20 am-6:19 pm

2 stops11h 59m

Hilo Intl

Wed 1/6

2:07 pm-5:48 am

1 stop13h 41m

$943

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 typical price of a round-trip flight between Portland and Hilo?

Prices are currently low for flights on this route.

Typical prices usually range from $493 to $645.
The lowest price recently found on this route was $442.

What is the cheapest month to fly to Hilo?

The month of January is, on average, the cheapest month to fly to Hilo from Portland, with most prices found around $452. If you’re not able to fly to Hilo in January, then May is your next best option. Flight prices from Portland to Hilo during May average around $470.

Can stopping save me money on Portland to Hilo flights?

You could potentially save up to 43% 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

Best Price Found	$224
Fastest flight time	9h 56m
Direct flights	None

The best one-way flight to Hilo from Portland in the past 72 hours is $224. The best round-trip flight deal from Portland to Hilo found on momondo in the last 72 hours is $442.

The fastest flight from Portland to Hilo takes 9h 56m

There are no direct flights from Portland to Hilo. There are no popular flight routes from Portland to Hilo.

Search flight deals

Frequently asked questions about flying from Portland to Hilo

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 9h 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 September 2026, there are 2 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 (66% of total bookings). The next most popular airline is Southwest (34%).

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
Southwest	PriceFrom $331	Free Cancellation	Rating 8.0 4,195 reviews		Search Southwest flights
Alaska Airlines	PriceFrom $333	Free Cancellation	Rating 7.9 12,887 reviews		Search Alaska 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.