What airlines fly to Hilo?

Alaska Airlines, Southwest 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 69% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 4 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 October 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.

$238 Cheap Flights from Portland to Hilo in 2026/27

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.

5:30 am - 2:30 pmPDX Portland-ITO Hilo Intl

11h 00m2 stops San Jose Honolulu

9:30 pm - 12:25 pmITO Hilo Intl-PDX Portland

12h 55m1 stop Las Vegas Harry Reid Intl

$422Southwest

Mon, Feb 8 - Tue, Feb 16

5:30 am - 6:10 pmPDX Portland-ITO Hilo Intl

14h 40m2 stops San Jose Honolulu

9:30 pm - 10:55 amITO Hilo Intl-PDX Portland

11h 25m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$427Southwest

Mon, Feb 8 - Tue, Feb 16

5:20 am - 1:30 pmPDX Portland-ITO Hilo Intl

10h 10m1 stop Las Vegas Harry Reid Intl

9:30 pm - 12:25 pmITO Hilo Intl-PDX Portland

12h 55m1 stop Las Vegas Harry Reid Intl

$496Southwest

Mon, Feb 8 - Tue, Feb 16

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

14h 00m2 stops Sacramento Intl Honolulu

6:55 pm - 1:05 pmITO Hilo Intl-PDX Portland

16h 10m2 stops Honolulu San Diego

$507Southwest

Wed, Jan 20 - Wed, Feb 3

7:50 am - 9:50 pmPDX Portland-ITO Hilo Intl

16h 00m2 stops Oakland Honolulu

6:55 pm - 1:05 pmITO Hilo Intl-PDX Portland

16h 10m2 stops Honolulu San Diego

$507Southwest

Wed, Jan 13 - Wed, Jan 20

5:53 pm - 6:19 pmPDX Portland-ITO Hilo Intl

26h 26m2 stops Sacramento Intl Kahului

2:08 pm - 9:25 amITO Hilo Intl-PDX Portland

17h 17m2 stops Honolulu Sacramento Intl

$521Multiple Airlines

Mon, Dec 7 - Wed, Dec 9

7:00 am - 6:19 pmPDX Portland-ITO Hilo Intl

13h 19m2 stops Los Angeles Kahului

6:00 am - 4:29 pmITO Hilo Intl-PDX Portland

8h 29m1 stop Honolulu

$531Multiple Airlines

Mon, Dec 14 - Fri, Jan 8

6:33 am - 6:19 pmPDX Portland-ITO Hilo Intl

13h 46m2 stops Los Angeles Kahului

6:00 am - 4:29 pmITO Hilo Intl-PDX Portland

8h 29m1 stop Honolulu

$531Multiple Airlines

Tue, Dec 15 - Fri, Jan 8

7:00 am - 5:49 pmPDX Portland-ITO Hilo Intl

12h 49m2 stops Los Angeles Honolulu

6:00 am - 4:29 pmITO Hilo Intl-PDX Portland

8h 29m1 stop Honolulu

$531Multiple Airlines

Sun, Dec 13 - Fri, Jan 8

6:33 am - 6:19 pmPDX Portland-ITO Hilo Intl

13h 46m2 stops Los Angeles Kahului

6:00 am - 4:29 pmITO Hilo Intl-PDX Portland

8h 29m1 stop Honolulu

$531Multiple Airlines

Tue, Dec 15 - Thu, Jan 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Portland to Hilo

Our best Southwest deals on Portland to Hilo flight tickets

Southwest

Feb 8

PDX5:30 amPortland

11h 00m

2 stops

ITO2:30 pmHilo Intl

Feb 16

ITO9:30 pmHilo Intl

12h 55m

1 stop

PDX12:25 pmPortland

$422

Southwest

Feb 8

PDX5:30 amPortland

14h 40m

2 stops

ITO6:10 pmHilo Intl

Feb 16

ITO9:30 pmHilo Intl

11h 25m

2 stops

PDX10:55 amPortland

$427

Southwest

Feb 8

PDX5:20 amPortland

10h 10m

1 stop

ITO1:30 pmHilo Intl

Feb 16

ITO9:30 pmHilo Intl

12h 55m

1 stop

PDX12:25 pmPortland

$496

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Oct 21

PDX8:00 amPortland

10h 21m

1 stop

ITO3:21 pmHilo Intl

Oct 26

ITO11:20 amHilo Intl

15h 59m

1 stop

PDX6:19 amPortland

$717

Alaska Airlines

Oct 21

PDX8:00 amPortland

10h 21m

1 stop

ITO3:21 pmHilo Intl

Oct 25

ITO12:38 pmHilo Intl

14h 41m

1 stop

PDX6:19 amPortland

$762

Alaska Airlines

Oct 19

PDX7:07 amPortland

14h 10m

1 stop

ITO6:17 pmHilo Intl

Oct 27

ITO6:49 pmHilo Intl

8h 30m

1 stop

PDX6:19 amPortland

$787

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 2/8

5:30 am-2:30 pm

2 stops11h 00m

Hilo Intl

Tue 2/16

9:30 pm-12:25 pm

1 stop12h 55m

$422

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 2/8

5:30 am-6:10 pm

2 stops14h 40m

Hilo Intl

Tue 2/16

9:30 pm-10:55 am

2 stops11h 25m

$427

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 2/8

5:20 am-1:30 pm

1 stop10h 10m

Hilo Intl

Tue 2/16

9:30 pm-12:25 pm

1 stop12h 55m

$496

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Wed 1/20

6:10 am-6:10 pm

2 stops14h 00m

Hilo Intl

Wed 2/3

6:55 pm-1:05 pm

2 stops16h 10m

$507

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Wed 1/13

7:50 am-9:50 pm

2 stops16h 00m

Hilo Intl

Wed 1/20

6:55 pm-1:05 pm

2 stops16h 10m

$507

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 12/7

5:53 pm-6:19 pm

2 stops26h 26m

Hilo Intl

Wed 12/9

2:08 pm-9:25 am

2 stops17h 17m

$521

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 12/14

7:00 am-6:19 pm

2 stops13h 19m

Hilo Intl

Fri 1/8

6:00 am-4:29 pm

1 stop8h 29m

$531

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Tue 12/15

6:33 am-6:19 pm

2 stops13h 46m

Hilo Intl

Fri 1/8

6:00 am-4:29 pm

1 stop8h 29m

$531

Quickest round-trip

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Sun 12/13

7:00 am-5:49 pm

2 stops12h 49m

Hilo Intl

Fri 1/8

6:00 am-4:29 pm

1 stop8h 29m

$531

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Tue 12/15

6:33 am-6:19 pm

2 stops13h 46m

Hilo Intl

Thu 1/7

6:00 am-4:29 pm

1 stop8h 29m

$531

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 January is, on average, the cheapest month to fly to Hilo from Portland, with most prices found around $465. 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 17% on your flight if you consider stops on a Portland to Hilo flight.

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	$238
Fastest flight time	8h 22m
Direct flights	None

The best one-way flight to Hilo from Portland in the past 72 hours is $238. The best round-trip flight deal from Portland to Hilo found on momondo in the last 72 hours is $422.

The fastest flight from Portland to Hilo takes 8h 22m

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 8h 22m.
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 October 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 (53% of total bookings). The next most popular airline is Southwest (47%).

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 7.9 4,223 reviews		Search Southwest flights
Alaska Airlines	PriceFrom $368	Free Cancellation	Rating 7.9 13,037 reviews		Search Alaska Airlines flights

Mountain View

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.