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Hilo

$194+ Cheap flights from Washington to Hilo (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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITO
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Washington to Hilo

Cheapest flights from Washington to Hilo
Explore the most affordable flight options available from Washington to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:08 pm
SEA
-
ITO
1 stop18h 17m
Multiple Airlines
Mon 5/118:23 am
ITO
-
SEA
1 stop12h 04m
Multiple Airlines
Deal found 3/20$346
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/213:50 pm
SEA
-
ITO
1 stop18h 18m
Multiple Airlines
Thu 4/3010:56 am
ITO
-
SEA
1 stop7h 46m
Multiple Airlines
Deal found 3/19$367
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/147:40 am
SEA
-
ITO
1 stop14h 33m
Multiple Airlines
Tue 4/2812:24 pm
ITO
-
SEA
2 stops18h 27m
Multiple Airlines
Deal found 3/20$391
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/173:50 pm
SEA
-
ITO
1 stop9h 43m
Multiple Airlines
Wed 4/299:59 am
ITO
-
SEA
1 stop8h 43m
Multiple Airlines
Deal found 3/20$392
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1610:00 am
SEA
-
ITO
1 stop9h 15m
Multiple Airlines
Wed 4/291:47 pm
ITO
-
SEA
1 stop8h 06m
Multiple Airlines
Deal found 3/20$401
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/147:40 am
SEA
-
ITO
1 stop14h 33m
Multiple Airlines
Wed 4/291:47 pm
ITO
-
SEA
1 stop8h 06m
Multiple Airlines
Deal found 3/20$404
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 4/157:10 am
SEA
-
ITO
2 stops13h 17m
Multiple Airlines
Wed 4/291:47 pm
ITO
-
SEA
1 stop8h 06m
Multiple Airlines
Deal found 3/20$417
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/187:22 pm
SEA
-
ITO
1 stop14h 41m
Multiple Airlines
Tue 4/2812:24 pm
ITO
-
SEA
2 stops18h 27m
Multiple Airlines
Deal found 3/20$421
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/163:50 pm
SEA
-
ITO
1 stop8h 43m
Multiple Airlines
Tue 4/2812:24 pm
ITO
-
SEA
2 stops18h 27m
Multiple Airlines
Deal found 3/20$428
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/187:22 pm
SEA
-
ITO
1 stop14h 41m
Multiple Airlines
Wed 4/291:47 pm
ITO
-
SEA
1 stop8h 06m
Multiple Airlines
Deal found 3/20$434
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/278:45 am
PDX
-
ITO
2 stops11h 54m
Multiple Airlines
Sun 5/106:44 pm
ITO
-
PDX
2 stops11h 54m
Multiple Airlines
Deal found 3/19$464
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 4/1310:35 am
PDX
-
ITO
1 stop9h 52m
Multiple Airlines
Wed 4/226:44 pm
ITO
-
PDX
2 stops11h 47m
Multiple Airlines
Deal found 3/19$479

Find flight deals from Washington to Hilo

Keep the following information in mind while searching for Washington to Hilo flight deals. Data was last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$346
(Trip.com)

One-way from

$194
(Southwest)

Popular in

July

Cheapest in

September

Average price

$605
Provider with most accurate pricing for Seattle/Tacoma Intl-Hilo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hilo Intl flights.
Search Deals
From Washington to Hilo Intl
Search Deals
One-way flight from Washington to Hilo Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 March 24, 2026.
Use the filters below to find and compare flights from Washington to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 4/27

8:45 am-5:39 pm

2 stops11h 54m

Hilo Intl

Sun 5/10

6:44 pm-9:38 am

2 stops11h 54m

$464

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 4/13

10:35 am-5:27 pm

1 stop9h 52m

Hilo Intl

Wed 4/22

6:44 pm-9:31 am

2 stops11h 47m

$479

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 4/30

8:45 am-5:39 pm

2 stops11h 54m

Hilo Intl

Sun 5/10

6:00 am-4:13 pm

1 stop7h 13m

$487

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Tue 4/21

6:12 pm-1:01 pm

2 stops21h 49m

Hilo Intl

Wed 4/22

4:45 pm-9:00 am

2 stops13h 15m

$504

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Thu 4/16

3:50 pm-9:33 pm

1 stop8h 43m

Hilo Intl

Thu 4/23

6:44 pm-9:48 am

2 stops12h 04m

$517

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 5/5

3:45 pm-9:33 pm

1 stop8h 48m

Hilo Intl

Wed 5/6

12:24 pm-12:53 am

1 stop9h 29m

$517

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 4/28

9:59 pm-2:31 pm

2 stops19h 32m

Hilo Intl

Wed 4/29

9:00 pm-8:47 am

1 stop8h 47m

$520
Quickest round-trip

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/5

7:00 am-1:01 pm

1 stop9h 01m

Hilo Intl

Wed 5/6

5:59 pm-5:11 am

1 stop8h 12m

$531

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Tue 9/1

7:00 am-7:23 pm

2 stops15h 23m

Hilo Intl

Thu 9/10

9:46 am-11:10 pm

2 stops10h 24m

$541

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 4/14

7:10 am-5:27 pm

2 stops13h 17m

Hilo Intl

Tue 4/21

12:21 pm-12:59 am

1 stop9h 38m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Washington to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Washington with our price prediction graph.
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 Washington to Hilo

What is the cheapest month to book a flight from State of Washington to Hilo?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Hilo (average of $217). Flying from State of Washington to Hilo in August is currently the most expensive (average of $266). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hilo from Washington?

    Located just 3.0 mi from the city center, Hilo Intl (ITO) is the airport most travelers will use when flying to Hilo from Washington.

  • What are the cheapest airlines to fly from State of Washington to Hilo one-way?

    The cheapest airlines for a one-way flight from State of Washington to Hilo are Hawaiian Airlines ($164), Alaska Airlines ($164), and Alaska Airlines ($183).

  • What are the most popular routes from State of Washington to Hilo?

    When deciding which route to take from State of Washington to Hilo consider Seattle/Tacoma Intl - Hilo Intl, Portland - Hilo Intl or Spokane - Hilo Intl as they are the most popular.

  • Can I find deals for flights from Washington to Hilo that include hotel bookings?

    Yes. In addition to deals on Washington to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Hilo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Hilo.

  • Can I find deals for business class flights from Washington to Hilo?

    Yes. Cheapflights offers flight deals from Washington to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Hilo?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Hilo (average of $217). Flying from State of Washington to Hilo in August is currently the most expensive (average of $266). 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.

See more FAQs

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Top 3 airlines flying from Washington to Hilo

Discover the top 3 airlines that operate flights from Washington to Hilo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$288Average$511FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$347Average$674FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$363Average$518FlexibilityNo cancel feeOn-timeN/A

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