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Hilo

$179+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITO
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This Southwest deal was found by Cheapflights users on 7/17. 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.
Thu 10/295:10 am
PDX
-
ITO
1 stop10h 25m
Southwest
Thu 11/59:25 pm
ITO
-
PDX
1 stop12h 00m
Southwest
Deal found 7/17$336
This Southwest deal was found by Cheapflights users on 7/16. 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.
Thu 8/277:00 pm
SEA
-
ITO
2 stops20h 35m
Southwest
Mon 8/318:45 pm
ITO
-
SEA
1 stop10h 45m
Southwest
Deal found 7/16$347
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 8/207:00 pm
SEA
-
ITO
2 stops20h 35m
Southwest
Mon 8/248:45 pm
ITO
-
SEA
2 stops12h 20m
Southwest
Deal found 7/18$352
This Southwest deal was found by Cheapflights users on 7/16. 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.
Thu 9/176:25 am
PDX
-
ITO
1 stop9h 10m
Southwest
Fri 9/258:45 pm
ITO
-
PDX
1 stop12h 05m
Southwest
Deal found 7/16$366
This Southwest deal was found by Cheapflights users on 7/17. 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.
Thu 8/206:25 am
PDX
-
ITO
1 stop9h 10m
Southwest
Mon 8/318:45 pm
ITO
-
PDX
1 stop10h 30m
Southwest
Deal found 7/17$376
This Southwest deal was found by Cheapflights users on 7/16. 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.
Thu 8/207:00 pm
SEA
-
ITO
2 stops20h 35m
Southwest
Thu 8/278:45 pm
ITO
-
SEA
2 stops13h 40m
Southwest
Deal found 7/16$392
This Booking.com deal was found by Cheapflights users on 7/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:42 pm
SEA
-
ITO
1 stop14h 16m
Multiple Airlines
Tue 10/209:26 am
ITO
-
SEA
1 stop17h 45m
Multiple Airlines
Deal found 7/17$395
This Southwest deal was found by Cheapflights users on 7/17. 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.
Thu 9/246:25 am
PDX
-
ITO
1 stop9h 10m
Southwest
Thu 10/18:45 pm
ITO
-
PDX
1 stop11h 45m
Southwest
Deal found 7/17$403
This Southwest deal was found by Cheapflights users on 7/18. 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.
Thu 10/16:15 am
SEA
-
ITO
1 stop9h 20m
Southwest
Mon 10/58:45 pm
ITO
-
SEA
1 stop12h 20m
Southwest
Deal found 7/18$406
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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 11/21:46 pm
SEA
-
ITO
1 stop8h 27m
Multiple Airlines
Thu 11/127:43 pm
ITO
-
SEA
1 stop8h 55m
Multiple Airlines
Deal found 7/18$407
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 10/288:00 am
PDX
-
ITO
1 stop9h 27m
Multiple Airlines
Wed 11/48:45 pm
ITO
-
PDX
1 stop7h 20m
Multiple Airlines
Deal found 7/19$407
This Gotogate deal was found by Cheapflights users on 7/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:45 pm
PDX
-
ITO
1 stop30h 32m
Multiple Airlines
Tue 9/294:44 pm
ITO
-
PDX
1 stop10h 30m
Multiple Airlines
Deal found 7/15$408

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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(Southwest)

One-way from

$179
(Southwest)

Popular in

August

Cheapest in

September
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. 9% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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 July 19, 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

Thu 9/17

6:25 am-12:35 pm

1 stop9h 10m

Hilo Intl

Fri 9/25

8:45 pm-11:50 am

1 stop12h 05m

$366

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 9/24

6:25 am-12:35 pm

1 stop9h 10m

Hilo Intl

Thu 10/1

8:45 pm-11:30 am

1 stop11h 45m

$403

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Tue 10/27

5:04 am-1:14 pm

2 stops11h 10m

Hilo Intl

Wed 10/28

6:49 pm-11:39 am

2 stops13h 50m

$415

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Thu 11/5

8:00 am-4:17 pm

1 stop10h 17m

Hilo Intl

Wed 11/11

8:45 pm-6:38 am

1 stop7h 53m

$437

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Thu 10/29

10:05 am-5:27 pm

1 stop10h 22m

Hilo Intl

Mon 11/2

8:45 pm-6:38 am

1 stop7h 53m

$437

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 10/13

8:00 am-3:13 pm

1 stop10h 13m

Hilo Intl

Wed 10/28

4:47 pm-9:31 am

2 stops13h 44m

$441

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 9/24

11:48 am-9:54 pm

2 stops13h 06m

Hilo Intl

Thu 10/1

6:49 pm-10:09 am

2 stops12h 20m

$447

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Thu 8/20

7:00 pm-12:35 pm

2 stops20h 35m

Hilo Intl

Thu 8/27

8:45 pm-12:50 pm

1 stop13h 05m

$448

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 8/17

6:25 am-12:35 pm

1 stop9h 10m

Hilo Intl

Thu 8/27

6:55 pm-10:15 am

2 stops12h 20m

$451

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 10/13

8:00 am-3:13 pm

1 stop10h 13m

Hilo Intl

Wed 10/28

5:59 pm-6:19 am

1 stop9h 20m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 39 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

No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from State of Washington to Hilo?

    There are many flights that can get you from State of Washington to Hilo in 9h 10m. Fly via Southwest or Alaska Airlines to get the fastest option. There are 2566 mi between State of Washington and Hilo. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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Alternative routes for Washington to Hilo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Hilo

Discover the top 2 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 July 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$282Average$382FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$288Average$437FlexibilityNo cancel feeOn-time75%

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