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

Alaska Airlines and Southwest are the most popular carriers operating from Portland to Hilo Intl

What airlines fly to Hilo?

Alaska Airlines, United 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 72% 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 August 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.

$234 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

9:25 pm - 10:40 amITO Hilo Intl-PDX Portland

11h 15m1 stop Las Vegas Harry Reid Intl

$376Southwest

Mon, Nov 2 - Mon, Nov 9

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

10h 25m1 stop Las Vegas Harry Reid Intl

9:25 pm - 10:40 amITO Hilo Intl-PDX Portland

11h 15m1 stop Las Vegas Harry Reid Intl

$376Southwest

Thu, Oct 22 - Mon, Nov 2

5:45 am - 6:10 pmPDX Portland-ITO Hilo Intl

15h 25m2 stops Phoenix Sky Harbor Intl Honolulu

8:45 pm - 10:15 amITO Hilo Intl-PDX Portland

10h 30m1 stop Las Vegas Harry Reid Intl

$382Southwest

Mon, Sep 14 - Mon, Sep 21

5:45 am - 6:10 pmPDX Portland-ITO Hilo Intl

15h 25m2 stops Phoenix Sky Harbor Intl Honolulu

8:45 pm - 10:15 amITO Hilo Intl-PDX Portland

10h 30m1 stop Las Vegas Harry Reid Intl

$382Southwest

Mon, Sep 14 - Mon, Sep 21

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

10h 20m1 stop Las Vegas Harry Reid Intl

6:55 pm - 9:25 amITO Hilo Intl-PDX Portland

12h 30m2 stops Honolulu San Jose

$382Southwest

Mon, Nov 2 - Mon, Nov 9

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

10h 25m1 stop Las Vegas Harry Reid Intl

6:55 pm - 9:25 amITO Hilo Intl-PDX Portland

12h 30m2 stops Honolulu San Jose

$382Southwest

Thu, Oct 22 - Mon, Nov 2

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

10h 25m1 stop Las Vegas Harry Reid Intl

6:55 pm - 12:15 pmITO Hilo Intl-PDX Portland

15h 20m2 stops Honolulu San Diego

$382Southwest

Thu, Oct 29 - Tue, Nov 10

5:45 am - 6:10 pmPDX Portland-ITO Hilo Intl

15h 25m2 stops Phoenix Sky Harbor Intl Honolulu

8:45 pm - 11:50 amITO Hilo Intl-PDX Portland

12h 05m2 stops Las Vegas Harry Reid Intl Oakland

$387Southwest

Mon, Sep 14 - Mon, Sep 21

5:07 am - 2:25 pmPDX Portland-ITO Hilo Intl

12h 18m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 11:20 amITO Hilo Intl-PDX Portland

11h 35m2 stops Honolulu Seattle/Tacoma Intl

$447Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

7:12 am - 6:17 pmPDX Portland-ITO Hilo Intl

14h 05m1 stop Kahului

2:57 pm - 6:14 amITO Hilo Intl-PDX Portland

12h 17m1 stop Honolulu

$457Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

Cheap last minute flights

Enter your travel dates to find the best prices.

7:46 am - 2:27 pmPDX Portland-ITO Hilo Intl

9h 41m1 stop Honolulu

6:00 am - 4:17 pmITO Hilo Intl-PDX Portland

7h 17m1 stop Honolulu

$765Alaska Airlines

Thu, Aug 13 - Sat, Aug 15

10:30 am - 5:54 pmPDX Portland-ITO Hilo Intl

10h 24m1 stop Honolulu

8:45 pm - 4:17 pmITO Hilo Intl-PDX Portland

16h 32m1 stop Honolulu

$765Alaska Airlines

Wed, Aug 12 - Fri, Aug 14

5:00 am - 1:14 pmPDX Portland-ITO Hilo Intl

11h 14m2 stops Seattle/Tacoma Intl Honolulu

8:45 pm - 4:17 pmITO Hilo Intl-PDX Portland

16h 32m1 stop Honolulu

$775Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

10:35 am - 8:13 pmPDX Portland-ITO Hilo Intl

12h 38m2 stops Seattle/Tacoma Intl Honolulu

6:00 am - 4:17 pmITO Hilo Intl-PDX Portland

7h 17m1 stop Honolulu

$775Multiple Airlines

Thu, Aug 13 - Sat, Aug 15

6:25 am - 12:35 pmPDX Portland-ITO Hilo Intl

9h 10m1 stop Las Vegas Harry Reid Intl

6:55 pm - 12:05 pmITO Hilo Intl-PDX Portland

14h 10m2 stops Honolulu San Diego

$780Southwest

Fri, Aug 14 - Sun, Aug 16

5:15 am - 2:30 pmPDX Portland-ITO Hilo Intl

12h 15m2 stops Sacramento Intl Honolulu

6:55 pm - 12:05 pmITO Hilo Intl-PDX Portland

14h 10m2 stops Honolulu San Diego

$785Southwest

Thu, Aug 13 - Sat, Aug 15

7:50 am - 6:10 pmPDX Portland-ITO Hilo Intl

13h 20m2 stops Oakland Honolulu

8:45 pm - 10:40 amITO Hilo Intl-PDX Portland

10h 55m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$785Southwest

Wed, Aug 12 - Fri, Aug 14

7:50 am - 6:10 pmPDX Portland-ITO Hilo Intl

13h 20m2 stops Oakland Honolulu

6:00 am - 9:35 pmITO Hilo Intl-PDX Portland

12h 35m2 stops Honolulu San Jose

$785Southwest

Wed, Aug 12 - Mon, Aug 17

9:19 am - 6:17 pmPDX Portland-ITO Hilo Intl

11h 58m2 stops Seattle/Tacoma Intl Kahului

6:49 pm - 11:21 amITO Hilo Intl-PDX Portland

13h 32m2 stops Honolulu Seattle/Tacoma Intl

$815Multiple Airlines

Fri, Aug 14 - Sun, Aug 16

5:00 am - 2:27 pmPDX Portland-ITO Hilo Intl

12h 27m2 stops Seattle/Tacoma Intl Honolulu

1:59 pm - 6:11 amITO Hilo Intl-PDX Portland

13h 12m1 stop Honolulu

$845Multiple Airlines

Wed, Aug 12 - Mon, Aug 17

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

Nov 2

PDX5:00 amPortland

10h 20m

1 stop

ITO1:20 pmHilo Intl

Nov 9

ITO9:25 pmHilo Intl

11h 15m

1 stop

PDX10:40 amPortland

$376

Southwest

Sep 14

PDX5:45 amPortland

15h 25m

2 stops

ITO6:10 pmHilo Intl

Sep 21

ITO8:45 pmHilo Intl

10h 30m

1 stop

PDX10:15 amPortland

$382

Southwest

Sep 14

PDX5:45 amPortland

15h 25m

2 stops

ITO6:10 pmHilo Intl

Sep 21

ITO8:45 pmHilo Intl

12h 05m

2 stops

PDX11:50 amPortland

$387

Alaska Airlines flights from Portland to Hilo

Our best Alaska Airlines deals on Portland to Hilo flight tickets

Alaska Airlines

Sep 7

PDX10:30 amPortland

9h 28m

1 stop

ITO4:58 pmHilo Intl

Sep 13

ITO3:45 pmHilo Intl

11h 29m

1 stop

PDX6:14 amPortland

$532

Alaska Airlines

Sep 7

PDX10:30 amPortland

9h 56m

1 stop

ITO5:26 pmHilo Intl

Sep 11

ITO7:44 pmHilo Intl

7h 30m

1 stop

PDX6:14 amPortland

$572

Alaska Airlines

Sep 7

PDX10:30 amPortland

9h 28m

1 stop

ITO4:58 pmHilo Intl

Sep 12

ITO6:00 amHilo Intl

7h 12m

1 stop

PDX4:12 pmPortland

$577

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 11/2

5:00 am-1:20 pm

1 stop10h 20m

Hilo Intl

Mon 11/9

9:25 pm-10:40 am

1 stop11h 15m

$376

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Thu 10/22

5:10 am-12:35 pm

1 stop10h 25m

Hilo Intl

Mon 11/2

9:25 pm-10:40 am

1 stop11h 15m

$376

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 9/14

5:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Mon 9/21

8:45 pm-10:15 am

1 stop10h 30m

$382

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 9/14

5:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Mon 9/21

8:45 pm-10:15 am

1 stop10h 30m

$382

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 11/2

5:00 am-1:20 pm

1 stop10h 20m

Hilo Intl

Mon 11/9

6:55 pm-9:25 am

2 stops12h 30m

$382

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Thu 10/22

5:10 am-12:35 pm

1 stop10h 25m

Hilo Intl

Mon 11/2

6:55 pm-9:25 am

2 stops12h 30m

$382

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Thu 10/29

5:10 am-12:35 pm

1 stop10h 25m

Hilo Intl

Tue 11/10

6:55 pm-12:15 pm

2 stops15h 20m

$382

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 9/14

5:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Mon 9/21

8:45 pm-11:50 am

2 stops12h 05m

$387

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 9/14

5:07 am-2:25 pm

2 stops12h 18m

Hilo Intl

Tue 9/22

8:45 pm-11:20 am

2 stops11h 35m

$447

PortlandHilo

PDX Portland - ITO Hilo Intl

PDXITO

Portland

Mon 9/14

7:12 am-6:17 pm

1 stop14h 05m

Hilo Intl

Tue 9/22

2:57 pm-6:14 am

1 stop12h 17m

$457

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 $455 to $651.
The lowest price recently found on this route was $376.

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

Fastest flight time	8h 14m
Direct flights	None

The fastest flight from Portland to Hilo takes 8h 14m

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 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 August 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 (69% of total bookings). The next most popular airline is Southwest (31%).

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 4,220 reviews		Search Southwest flights
Alaska Airlines	PriceFrom $333	Free Cancellation	Rating 7.9 12,794 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.