PDX - ITO

$224 Find Cheap Flights from Portland to Hilo - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$427
Typical prices: $427-$697
Multiple Airlines
Sat 2/3Sat 2/10
PDX - ITO • 1 stop
Cheapest one-way
$224
Typical prices: $273-$470
Southwest
Sat 12/1
PDX - ITO • 2 stops
When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 24% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $346 (round-trip)
Honolulu (HNL)
Shortest trip • 8h 03m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Portland to Hilo (PDX-ITO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Hilo

Wed, Feb 3 - Wed, Feb 10
Multiple Airlines Logo
5:49 pm - 7:58 amPDX  Portland-ITO Hilo Intl
16h 09m1 stop Honolulu
Multiple Airlines Logo
11:00 am - 5:48 amITO  Hilo Intl-PDX Portland
16h 48m1 stop Honolulu
$427Multiple Airlines
Tue, Feb 2 - Mon, Feb 8
Multiple Airlines Logo
7:14 am - 5:47 pmPDX  Portland-ITO Hilo Intl
12h 33m2 stops San Diego Honolulu
Multiple Airlines Logo
6:19 pm - 5:48 amITO  Hilo Intl-PDX Portland
9h 29m1 stop Honolulu
$437Multiple Airlines
Thu, Feb 4 - Tue, Feb 9
Multiple Airlines Logo
7:14 am - 5:18 pmPDX  Portland-ITO Hilo Intl
12h 04m2 stops San Diego Honolulu
Multiple Airlines Logo
6:51 pm - 5:48 amITO  Hilo Intl-PDX Portland
8h 57m1 stop Honolulu
$437Multiple Airlines
Tue, Feb 2 - Tue, Feb 9
Multiple Airlines Logo
7:14 am - 5:47 pmPDX  Portland-ITO Hilo Intl
12h 33m2 stops San Diego Honolulu
Multiple Airlines Logo
5:50 pm - 5:48 amITO  Hilo Intl-PDX Portland
9h 58m1 stop Honolulu
$437Multiple Airlines
Thu, Feb 4 - Thu, Feb 11
Multiple Airlines Logo
7:14 am - 5:47 pmPDX  Portland-ITO Hilo Intl
12h 33m2 stops San Diego Honolulu
Multiple Airlines Logo
7:30 pm - 6:00 amITO  Hilo Intl-PDX Portland
8h 30m1 stop Honolulu
$437Multiple Airlines
Thu, Feb 4 - Mon, Feb 8
Multiple Airlines Logo
7:14 am - 5:18 pmPDX  Portland-ITO Hilo Intl
12h 04m2 stops San Diego Honolulu
Multiple Airlines Logo
5:50 pm - 5:48 amITO  Hilo Intl-PDX Portland
9h 58m1 stop Honolulu
$437Multiple Airlines
Mon, Feb 1 - Mon, Feb 8
Multiple Airlines Logo
7:14 am - 5:18 pmPDX  Portland-ITO Hilo Intl
12h 04m2 stops San Diego Honolulu
Multiple Airlines Logo
5:50 pm - 5:48 amITO  Hilo Intl-PDX Portland
9h 58m1 stop Honolulu
$437Multiple Airlines
Wed, Feb 3 - Mon, Feb 8
Multiple Airlines Logo
7:14 am - 5:18 pmPDX  Portland-ITO Hilo Intl
12h 04m2 stops San Diego Honolulu
Multiple Airlines Logo
6:19 pm - 5:48 amITO  Hilo Intl-PDX Portland
9h 29m1 stop Honolulu
$437Multiple Airlines
Wed, Feb 3 - Wed, Feb 10
Southwest Logo
11:35 am - 9:50 pmPDX  Portland-ITO Hilo Intl
12h 15m2 stops Oakland Honolulu
Southwest Logo
6:55 pm - 1:35 pmITO  Hilo Intl-PDX Portland
16h 40m2 stops Honolulu San Diego
$447Southwest
Wed, Feb 3 - Wed, Feb 10
Southwest Logo
11:35 am - 9:50 pmPDX  Portland-ITO Hilo Intl
12h 15m2 stops Oakland Honolulu
Southwest Logo
6:55 pm - 9:35 amITO  Hilo Intl-PDX Portland
12h 40m2 stops Honolulu Phoenix Sky Harbor Intl
$467Southwest
Booking Insights

Price, demand and travel trends for Portland to Hilo flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Hilo with more confidence.

What's the cheapest day of the week to fly from Portland to Hilo?

Wednesday is the cheapest day of the week to fly from Portland to Hilo, it is 9% cheaper than the average day. Friday is the most expensive day with flight prices 33% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Portland to Hilo?

  • May is the cheapest month to fly from Portland to Hilo at $425 round-trip.
  • June ($911) and December ($844) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 114% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Portland to Hilo the cheapest?

Flights from Portland to Hilo are cheapest 15 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Portland to Hilo flights

Low season

November

Cheapest flight

$224
Best time to beat the crowds but there is an average 27% increase in price.
Most popular time to fly and prices are also 24% lower on average.
Flight from Portland to Hilo

When to book flights from Portland to Hilo

Are your dates flexible? Find out the best times to travel from Portland to Hilo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Hilo flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Portland to Hilo?

    Flights from Portland to Hilo usually depart from Portland (PDX) and arrive at Hilo Intl (ITO).

  • What cabin classes can I book on flights from Portland to Hilo?

    Only Economy Class is available on flights from Portland to Hilo.

  • Which airports do connecting flights from Portland to Hilo pass through?

    Connecting flights from Portland to Hilo most commonly pass through:

    • Honolulu (HNL) - 98% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 2% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Portland to Hilo?

    Yes. Being flexible with your travel dates can save you up to 32% on the Portland to Hilo route. Wednesday is the cheapest departure day at $511 round-trip on average, while Friday is the most expensive at $751, a difference of $240. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Portland to Hilo flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 38% above the route average of $561. Book 15 weeks before departure for the lowest fares.

  • How long is a flight from Portland to Hilo?

    There are currently no nonstop flights available from Portland to Hilo. Flights with 1 layover take between 8h 03m and 10h 13m in total, depending on the connection.

  • Do I need a passport to fly from Portland to Hilo?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Portland to Hilo changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $427 to $2,447. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Portland to Hilo looking right now?

    One-way fares from Portland to Hilo are currently lower than usual. Average one-way flight prices are about $287, which is 13% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Portland to Hilo?

    Flying via Honolulu (HNL) gives the shortest average 1-stop total travel time at 8h 03m, compared with 10h 13m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between Portland and Hilo?

    Hilo is 3 hours behind Portland (Hawaii-Aleutian Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Hilo Intl Airport (ITO)?

    Hilo Intl Airport (ITO) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    • Dollar
    • Thrifty
    • Hertz
    • Budget
    • Alamo

  • How much should I expect to pay for a Portland to Hilo flight?

    Round-trip flights from Portland to Hilo range from $427 to $697, with an average of $561 over the past 12 months. Anything below $427 counts as a good deal.

Your guide to booking Portland to Hilo flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Friday. On this route, Wednesday flights average $511 - about $240 less than Friday (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Hilo trip for May. Fares historically average $425 round-trip in that month - typically $486 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Hilo Intl Airport.
    - Grand Naniloa Hotel Hilo - a DoubleTree by Hilton
    - Hilo Hawaiian Hotel, Trademark Collection by Wyndham
    - Hilo Reeds Bay Hotel

More options for your flight from Portland to Hilo

Complete your trip to Hilo with a hotel stay or car rental

Car rentals in Hilo
Hotels in Hilo
Vacations in Hilo