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Hilo

$154+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITO
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
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 February 19, 2026.

This Southwest deal was found by Cheapflights users on 2/16. 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.
Tue 4/145:30 am
SEA
-
ITO
2 stops15h 40m
Southwest
Tue 4/216:00 am
ITO
-
SEA
2 stops13h 55m
Southwest
Deal found 2/16$267
This Southwest deal was found by Cheapflights users on 2/18. 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.
Tue 3/249:25 am
SEA
-
ITO
2 stops15h 15m
Southwest
Wed 3/256:00 am
ITO
-
SEA
2 stops15h 20m
Southwest
Deal found 2/18$297
This Southwest deal was found by Cheapflights users on 2/16. 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.
Tue 4/217:00 am
PDX
-
ITO
2 stops14h 10m
Southwest
Sat 5/28:00 am
ITO
-
PDX
2 stops11h 00m
Southwest
Deal found 2/16$297
This Expedia deal was found by Cheapflights users on 2/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:20 am
PDX
-
ITO
1 stop10h 07m
Multiple Airlines
Mon 4/206:44 pm
ITO
-
PDX
2 stops11h 51m
Multiple Airlines
Deal found 2/16$298
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:50 pm
SEA
-
ITO
1 stop8h 43m
Alaska Airlines
Tue 4/217:44 pm
ITO
-
SEA
1 stop17h 06m
Alaska Airlines
Deal found 2/16$307
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:50 pm
SEA
-
ITO
1 stop8h 43m
Multiple Airlines
Thu 4/2312:24 pm
ITO
-
SEA
1 stop9h 29m
Multiple Airlines
Deal found 2/18$316
This Southwest deal was found by Cheapflights users on 2/18. 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.
Wed 3/189:25 am
SEA
-
ITO
2 stops15h 15m
Southwest
Wed 3/256:00 am
ITO
-
SEA
2 stops15h 20m
Southwest
Deal found 2/18$317
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/1510:20 am
PDX
-
ITO
1 stop10h 07m
Multiple Airlines
Fri 4/2410:56 am
ITO
-
PDX
1 stop15h 15m
Multiple Airlines
Deal found 2/18$324
This Southwest deal was found by Cheapflights users on 2/17. 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.
Fri 5/85:30 am
PDX
-
ITO
2 stops12h 00m
Southwest
Fri 5/158:00 am
ITO
-
PDX
2 stops11h 40m
Southwest
Deal found 2/17$327
This Southwest deal was found by Cheapflights users on 2/17. 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.
Fri 5/19:40 am
SEA
-
ITO
2 stops15h 05m
Southwest
Tue 5/56:00 am
ITO
-
SEA
2 stops11h 20m
Southwest
Deal found 2/17$332
This Hawaiian Airlines deal was found by Cheapflights users on 2/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:34 pm
PDX
-
ITO
1 stop7h 38m
Alaska Airlines
Tue 5/195:59 pm
ITO
-
PDX
1 stop9h 21m
Alaska Airlines
Deal found 2/18$337
This Southwest deal was found by Cheapflights users on 2/16. 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.
Tue 4/75:30 am
PDX
-
ITO
2 stops15h 40m
Southwest
Tue 4/146:55 pm
ITO
-
PDX
2 stops12h 30m
Southwest
Deal found 2/16$341

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Southwest)

One-way from

$154
(Southwest)

Popular in

June

Cheapest in

September

Average price

$491
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. 24% potential increase in price ($191 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 2026.
Use the filters below to find and compare flights from Washington to Hilo that are best for you.

Fly from

Washington

Fly to

Hilo

Route

Depart

Return

Price

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 4/14

5:30 am-6:10 pm

2 stops15h 40m

Hilo Intl

Tue 4/21

6:00 am-10:55 pm

2 stops13h 55m

$267

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Mon 4/20

6:15 am-6:10 pm

2 stops14h 55m

Hilo Intl

Thu 4/23

8:00 am-11:05 pm

2 stops12h 05m

$267

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 3/24

9:25 am-9:40 pm

2 stops15h 15m

Hilo Intl

Wed 3/25

6:00 am-12:20 am

2 stops15h 20m

$297

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 3/18

9:25 am-9:40 pm

2 stops15h 15m

Hilo Intl

Wed 3/25

6:00 am-12:20 am

2 stops15h 20m

$317

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 4/15

10:20 am-5:27 pm

1 stop10h 07m

Hilo Intl

Fri 4/24

10:56 am-5:11 am

1 stop15h 15m

$324

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Fri 5/1

9:40 am-9:45 pm

2 stops15h 05m

Hilo Intl

Tue 5/5

6:00 am-8:20 pm

2 stops11h 20m

$332

PortlandHilo

PDX - ITO

PDXITO

Portland

Thu 5/14

5:34 pm-10:12 pm

1 stop7h 38m

Hilo Intl

Tue 5/19

5:59 pm-6:20 am

1 stop9h 21m

$337

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 4/7

5:30 am-6:10 pm

2 stops15h 40m

Hilo Intl

Tue 4/14

6:55 pm-10:25 am

2 stops12h 30m

$341

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 4/13

5:00 am-2:30 pm

2 stops12h 30m

Hilo Intl

Wed 4/22

8:00 am-10:25 pm

2 stops11h 25m

$341

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 4/15

6:00 am-2:30 pm

2 stops11h 30m

Hilo Intl

Fri 4/24

8:00 am-10:40 pm

2 stops11h 40m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 45 results
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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, March is the cheapest month in which you can book a flight from State of Washington to Hilo (average of $209). Flying from State of Washington to Hilo in August is currently the most expensive (average of $264). 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.

  • 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 7h 38m. 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 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 Southwest ($239).

  • 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, March is the cheapest month in which you can book a flight from State of Washington to Hilo (average of $209). Flying from State of Washington to Hilo in August is currently the most expensive (average of $264). 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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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 4 airlines flying from Washington to Hilo

Discover the top 4 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$288Average$532FlexibilityNo cancel feeOn-time75%
Alaska AirlinesCheapest$317Average$423FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$353Average$726FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$356Average$582FlexibilityNo cancel feeOn-time63%

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