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Hilo

$184+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITO
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 5, 2026.

This Southwest deal was found by Cheapflights users on 2/4. 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 4/76:00 am
PDX
-
ITO
2 stops11h 30m
Southwest
Fri 4/178:00 am
ITO
-
PDX
2 stops13h 25m
Southwest
Deal found 2/4$339
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/49:00 am
SEA
-
ITO
1 stop9h 00m
Multiple Airlines
Wed 3/115:59 pm
ITO
-
SEA
1 stop8h 31m
Multiple Airlines
Deal found 2/3$345
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/411:31 am
SEA
-
ITO
1 stop10h 28m
Multiple Airlines
Mon 3/98:30 pm
ITO
-
SEA
1 stop16h 22m
Multiple Airlines
Deal found 2/3$347
This Southwest deal was found by Cheapflights users on 2/4. 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.
Mon 3/26:35 am
PDX
-
ITO
2 stops13h 35m
Southwest
Wed 3/116:00 am
ITO
-
PDX
2 stops13h 00m
Southwest
Deal found 2/4$351
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 2/267:45 am
SEA
-
ITO
2 stops12h 49m
Multiple Airlines
Wed 3/45:59 pm
ITO
-
SEA
1 stop9h 32m
Multiple Airlines
Deal found 2/3$357
This Southwest deal was found by Cheapflights users on 2/4. 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.
Mon 3/29:55 am
PDX
-
ITO
2 stops10h 15m
Southwest
Sat 3/79:00 am
ITO
-
PDX
2 stops10h 55m
Southwest
Deal found 2/4$365
This Southwest deal was found by Cheapflights users on 2/4. 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 5/66:00 am
PDX
-
ITO
2 stops11h 30m
Southwest
Wed 5/66:55 pm
ITO
-
PDX
2 stops13h 00m
Southwest
Deal found 2/4$371
This Southwest deal was found by Cheapflights users on 2/3. 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 2/199:30 am
SEA
-
ITO
2 stops10h 40m
Southwest
Thu 3/128:00 am
ITO
-
SEA
2 stops13h 10m
Southwest
Deal found 2/3$377
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/210:30 am
PDX
-
ITO
1 stop8h 59m
Multiple Airlines
Wed 3/118:30 pm
ITO
-
PDX
2 stops11h 16m
Multiple Airlines
Deal found 2/4$379
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 5/1310:15 am
SEA
-
ITO
1 stop8h 08m
Alaska Airlines
Mon 5/189:00 pm
ITO
-
SEA
1 stop8h 05m
Alaska Airlines
Deal found 2/1$382
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 5/141:50 pm
SEA
-
ITO
1 stop8h 33m
Alaska Airlines
Tue 5/197:52 pm
ITO
-
SEA
1 stop9h 13m
Alaska Airlines
Deal found 2/3$386
This Southwest deal was found by Cheapflights users on 2/4. 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 3/55:30 am
PDX
-
ITO
2 stops15h 40m
Southwest
Thu 3/128:00 am
ITO
-
PDX
2 stops12h 45m
Southwest
Deal found 2/4$387

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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(Southwest)

One-way from

$184
(Southwest)

Popular in

June

Cheapest in

September

Average price

$547
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 ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 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 5, 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

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 4/7

6:00 am-2:30 pm

2 stops11h 30m

Hilo Intl

Fri 4/17

8:00 am-12:25 am

2 stops13h 25m

$339

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 3/3

7:05 am-4:00 pm

1 stop10h 55m

Hilo Intl

Wed 3/11

6:44 pm-8:20 am

1 stop10h 36m

$347

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 3/4

11:31 am-7:59 pm

1 stop10h 28m

Hilo Intl

Mon 3/9

8:30 pm-3:52 pm

1 stop16h 22m

$347

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/6

6:00 am-2:30 pm

2 stops11h 30m

Hilo Intl

Wed 5/13

6:00 am-8:45 pm

2 stops11h 45m

$351

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Thu 2/26

7:45 am-6:34 pm

2 stops12h 49m

Hilo Intl

Wed 3/4

5:59 pm-5:31 am

1 stop9h 32m

$357

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 3/4

9:30 am-9:40 pm

2 stops14h 10m

Hilo Intl

Wed 3/11

8:00 am-10:25 pm

2 stops11h 25m

$367

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 3/18

5:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Thu 3/26

8:00 am-11:50 pm

2 stops12h 50m

$367

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 3/3

6:25 am-9:40 pm

2 stops17h 15m

Hilo Intl

Wed 3/11

6:00 am-10:25 pm

2 stops13h 25m

$367

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Mon 3/2

9:30 am-6:10 pm

2 stops10h 40m

Hilo Intl

Mon 3/9

8:00 am-11:50 pm

2 stops12h 50m

$367

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/6

6:00 am-2:30 pm

2 stops11h 30m

Hilo Intl

Wed 5/6

6:55 pm-10:55 am

2 stops13h 00m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 53 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, 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 April is currently the most expensive (average of $314). 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 10h 55m. Fly via Southwest or Alaska Airlines to get the fastest option. There are 2649 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, 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 April is currently the most expensive (average of $314). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Hilo

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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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$288Average$541FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$353Average$741FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$449Average$584FlexibilityNo cancel feeOn-time63%

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