$271+ Cheap flights from Portland to Hilo (PDX - ITO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ITO
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Hilo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Hilo
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Cheapest flights from Portland to HiloExplore the most affordable flight options available from Portland to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
Explore the most affordable flight options available from Portland to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:30 am
PDX
- ITO
1 stop7h 43m
Alaska Airlines
Thu 9/177:44 pm
ITO
- PDX
1 stop7h 30m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$447
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:30 am
PDX
- ITO
1 stop9h 56m
Alaska Airlines
Thu 9/177:44 pm
ITO
- PDX
1 stop7h 30m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:20 am
PDX
- ITO
1 stop7h 54m
Alaska Airlines
Wed 9/239:26 am
ITO
- PDX
1 stop8h 20m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:45 am
PDX
- ITO
2 stops9h 32m
Multiple Airlines
Wed 9/167:44 pm
ITO
- PDX
1 stop7h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am
PDX
- ITO
2 stops13h 09m
Multiple Airlines
Tue 9/159:26 am
ITO
- PDX
1 stop8h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:20 am
PDX
- ITO
1 stop9h 53m
Multiple Airlines
Wed 9/237:35 am
ITO
- PDX
2 stops11h 26m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:20 am
PDX
- ITO
2 stops17h 25m
Southwest
Fri 9/258:45 pm
ITO
- PDX
1 stop12h 05m
Southwest
Deal found 4/28![Southwest logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am
PDX
- ITO
2 stops9h 32m
Multiple Airlines
Wed 9/168:45 pm
ITO
- PDX
2 stops11h 35m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
PDX
- ITO
1 stop10h 14m
Alaska Airlines
Thu 6/46:00 am
ITO
- PDX
1 stop7h 19m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$475
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
PDX
- ITO
1 stop9h 31m
Alaska Airlines
Wed 6/38:45 pm
ITO
- PDX
1 stop16h 34m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
PDX
- ITO
2 stops11h 14m
Multiple Airlines
Thu 6/46:00 am
ITO
- PDX
1 stop7h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:20 am
PDX
- ITO
2 stops13h 50m
Southwest
Fri 8/218:45 pm
ITO
- PDX
1 stop12h 05m
Southwest
Deal found 4/28![Southwest logo]()
$485
Best flights from Portland to HiloDiscover carefully curated flight deals from Portland to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
Discover carefully curated flight deals from Portland to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:00 am
PDX
- ITO
1 stop10h 14m
Multiple Airlines
Thu 5/288:45 pm
ITO
- PDX
2 stops13h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:00 am
PDX
- ITO
1 stop8h 14m
Alaska Airlines
Fri 6/127:44 pm
ITO
- PDX
1 stop7h 27m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$597
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:20 am
PDX
- ITO
2 stops12h 10m
Southwest
Sun 6/146:00 am
ITO
- PDX
2 stops13h 15m
Southwest
Deal found 4/30![Southwest logo]()
$661
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:00 am
PDX
- ITO
2 stops13h 14m
Multiple Airlines
Fri 6/57:42 am
ITO
- PDX
2 stops10h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:00 am
PDX
- ITO
2 stops13h 14m
Multiple Airlines
Wed 6/37:04 pm
ITO
- PDX
1 stop8h 16m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$587
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:00 am
PDX
- ITO
1 stop14h 14m
Multiple Airlines
Thu 5/286:00 am
ITO
- PDX
1 stop7h 19m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$627
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:34 pm
PDX
- ITO
1 stop7h 38m
Multiple Airlines
Thu 5/288:45 pm
ITO
- PDX
2 stops13h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:00 am
PDX
- ITO
2 stops12h 31m
Multiple Airlines
Mon 6/157:35 am
ITO
- PDX
2 stops11h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$651
Last-minute flights from Portland to HiloDiscover last-minute flight deals from Portland to Hilo. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Hilo. Data last updated May 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:00 am
PDX
- ITO
1 stop10h 14m
Alaska Airlines
Fri 5/296:00 am
ITO
- PDX
1 stop7h 19m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:00 am
PDX
- ITO
1 stop10h 14m
Multiple Airlines
Thu 5/288:45 pm
ITO
- PDX
2 stops13h 46m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$547
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
PDX
- ITO
1 stop9h 31m
Alaska Airlines
Wed 6/38:45 pm
ITO
- PDX
1 stop16h 34m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:00 am
PDX
- ITO
1 stop9h 31m
Multiple Airlines
Wed 6/37:04 pm
ITO
- PDX
2 stops11h 43m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
PDX
- ITO
1 stop10h 14m
Alaska Airlines
Thu 6/46:00 am
ITO
- PDX
1 stop7h 19m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
PDX
- ITO
2 stops11h 14m
Multiple Airlines
Thu 6/46:00 am
ITO
- PDX
1 stop7h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$484
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:00 am
PDX
- ITO
2 stops11h 14m
Multiple Airlines
Wed 6/38:45 pm
ITO
- PDX
1 stop16h 34m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:00 am
PDX
- ITO
1 stop8h 14m
Alaska Airlines
Fri 6/57:42 am
ITO
- PDX
1 stop10h 06m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$534
One-way flights from Portland to HiloSearch for one-way flight options from Portland to Hilo. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
Search for one-way flight options from Portland to Hilo. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:00 am
PDX
- ITO
1 stop8h 14m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:20 am
PDX
- ITO
2 stops17h 25m
Southwest
Deal found 4/27![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
PDX
- ITO
2 stops11h 30m
Southwest
Deal found 4/30![Southwest logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:32 pm
PDX
- ITO
1 stop7h 27m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:34 pm
PDX
- ITO
1 stop7h 38m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$321
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:30 am
PDX
- ITO
1 stop7h 43m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:35 am
PDX
- ITO
1 stop7h 39m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:44 am
PDX
- ITO
2 stops13h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:30 am
PDX
- ITO
2 stops11h 47m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$338
Find flight deals from Portland to Hilo
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Hilo (ITO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $447 (Kiwi.com) |
One-way from | $271 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $627 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Hilo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from Portland to Hilo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandHilo
PDX - ITO
PDXITO
Portland
Mon 5/25
8:00 am-3:14 pm
1 stop10h 14m
Hilo Intl
Thu 5/28
8:45 pm-1:31 pm
2 stops13h 46m
$547
PortlandHilo
PDX - ITO
PDXITO
Portland
Fri 5/29
5:00 am-3:14 pm
2 stops13h 14m
Hilo Intl
Fri 6/5
7:42 am-9:28 pm
2 stops10h 46m
$557
PortlandHilo
PDX - ITO
PDXITO
Portland
Tue 6/2
5:00 am-3:14 pm
2 stops13h 14m
Hilo Intl
Wed 6/3
7:04 pm-6:20 am
1 stop8h 16m
$587
Quickest round-trip
PortlandHilo
PDX - ITO
PDXITO
Portland
Fri 6/5
8:00 am-1:14 pm
1 stop8h 14m
Hilo Intl
Fri 6/12
7:44 pm-6:11 am
1 stop7h 27m
$597
PortlandHilo
PDX - ITO
PDXITO
Portland
Thu 5/21
7:00 am-6:14 pm
1 stop14h 14m
Hilo Intl
Thu 5/28
6:00 am-4:19 pm
1 stop7h 19m
$627
PortlandHilo
PDX - ITO
PDXITO
Portland
Fri 5/22
5:34 pm-10:12 pm
1 stop7h 38m
Hilo Intl
Thu 5/28
8:45 pm-1:31 pm
2 stops13h 46m
$651
PortlandHilo
PDX - ITO
PDXITO
Portland
Mon 6/8
5:00 am-2:31 pm
2 stops12h 31m
Hilo Intl
Mon 6/15
7:35 am-10:25 pm
2 stops11h 50m
$651
PortlandHilo
PDX - ITO
PDXITO
Portland
Sun 6/7
5:20 am-2:30 pm
2 stops12h 10m
Hilo Intl
Sun 6/14
6:00 am-10:15 pm
2 stops13h 15m
$661
Cheapest one-way
PortlandHilo
PDX - ITO
PDXITO
Portland
Sun 8/16
7:20 am-9:45 pm
2 stops17h 25m
$277
PortlandHilo
PDX - ITO
PDXITO
Portland
Wed 6/3
6:00 am-2:30 pm
2 stops11h 30m
$284
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Portland to Hilo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Hilo in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Hilo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Hilo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to Hilo
Have a flexible travel schedule? Discover the best time to fly to Hilo from Portland with our price prediction graph.
PDX-ITO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to Hilo
How far ahead should I book a flight from Portland to Hilo?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Hilo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Portland to Hilo?
Currently, September is the cheapest month in which you can book a flight from Portland to Hilo (average of $410). Flying from Portland to Hilo in December is currently the most expensive (average of $1,100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to Hilo?
Reviews of airlines servicing Hilo
Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated May 1, 2026.
Read through reviews of airlines operating flights from Portland to Hilo, such as Southwest,Alaska Airlines, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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Top 4 airlines flying from Portland to Hilo
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$630 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$307 | Average$579 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$331 | Average$491 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$368 | Average$793 | FlexibilityNo cancel fee | On-time85% |