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Hilo

$324+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ITO
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Washington to Hilo

Keep the following information in mind while searching for Washington to Hilo flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$537
(Hawaiian Airlines)

One-way from

$324
(Alaska Airlines)

Popular in

June

Cheapest in

October

Average price

$717
Provider with most accurate pricing for Seattle/Tacoma Intl-Hilo Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hilo Intl flights.
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From Washington to Hilo Intl
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One-way flight from Washington to Hilo Intl
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Highest demand for flights based on searches. 12% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 30, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/108:35 amSEA - ITO
2 stops14h 33mAlaska Airlines
Tue 6/176:10 pmITO - SEA
1 stop11h 30mAlaska Airlines
Deal found 4/29$558
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:35 amSEA - ITO
2 stops11h 35mSouthwest
Thu 10/307:55 amITO - SEA
2 stops12h 10mSouthwest
Deal found 4/29$594
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.
Wed 5/2111:35 amSEA - ITO
1 stop9h 22mHawaiian Airlines
Wed 6/46:30 pmITO - SEA
1 stop11h 05mHawaiian Airlines
Deal found 4/28$599
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1110:00 amSEA - ITO
2 stops13h 08mMultiple Airlines
Wed 6/186:10 pmITO - SEA
1 stop11h 30mMultiple Airlines
Deal found 4/28$601
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.
Tue 5/275:33 pmPDX - ITO
1 stop17h 34mAlaska Airlines
Tue 6/38:25 amITO - PDX
2 stops12h 19mAlaska Airlines
Deal found 4/29$602
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 5/305:49 pmGEG - ITO
2 stops18h 09mAlaska Airlines
Thu 6/57:55 pmITO - GEG
2 stops11h 58mAlaska Airlines
Deal found 4/29$681
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:55 amPDX - ITO
1 stop8h 59mHawaiian Airlines
Thu 8/287:49 amITO - PDX
1 stop11h 51mHawaiian Airlines
Deal found 4/29$701
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:00 amSEA - ITO
2 stops13h 10mUnited Airlines
Sat 5/177:31 amITO - SEA
2 stops14h 28mUnited Airlines
Deal found 4/27$742
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:00 amGEG - ITO
2 stops14h 57mUnited Airlines
Mon 5/197:55 pmITO - GEG
2 stops15h 46mUnited Airlines
Deal found 4/29$912
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:05 amPDX - ITO
2 stops15h 33mMultiple Airlines
Thu 8/285:30 pmITO - PDX
2 stops14h 14mMultiple Airlines
Deal found 4/29$914
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:20 amSEA - ITO
2 stops14h 49mDelta
Thu 6/58:25 amITO - SEA
2 stops13h 04mDelta
Deal found 4/28$920
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:54 amPDX - ITO
2 stops14h 16mUnited Airlines
Sun 5/184:16 pmITO - PDX
2 stops17h 23mUnited Airlines
Deal found 4/29$995

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 April 30, 2025.
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 6/10

8:35 am-8:08 pm

2 stops14h 33m

Hilo Intl

Tue 6/17

6:10 pm-8:40 am

1 stop11h 30m

$558

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

6:45 am-6:10 pm

2 stops14h 25m

Hilo Intl

Wed 6/4

8:05 am-10:15 pm

2 stops11h 10m

$568

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 5/21

11:35 am-5:57 pm

1 stop9h 22m

Hilo Intl

Wed 6/4

6:30 pm-8:35 am

1 stop11h 05m

$599

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 6/11

10:00 am-8:08 pm

2 stops13h 08m

Hilo Intl

Wed 6/18

6:10 pm-8:40 am

1 stop11h 30m

$601

PortlandHilo

PDX - ITO

PDXITO

Portland

Wed 5/28

9:00 am-5:57 pm

1 stop11h 57m

Hilo Intl

Wed 6/4

8:40 am-9:55 pm

1 stop10h 15m

$642

PortlandHilo

PDX - ITO

PDXITO

Portland

Mon 6/9

7:13 am-5:01 pm

2 stops12h 48m

Hilo Intl

Mon 6/16

8:36 am-10:05 pm

2 stops10h 29m

$654

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Wed 5/21

10:10 am-6:10 pm

2 stops11h 00m

Hilo Intl

Wed 6/4

8:05 am-10:30 pm

2 stops11h 25m

$666

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Fri 5/30

5:49 pm-8:58 am

2 stops18h 09m

Hilo Intl

Thu 6/5

7:55 pm-10:53 am

2 stops11h 58m

$681

SeattleHilo

SEA - ITO

SEAITO

Seattle/Tacoma Intl

Tue 5/13

9:00 am-7:10 pm

2 stops13h 10m

Hilo Intl

Sat 5/17

7:31 am-12:59 am

2 stops14h 28m

$742

PortlandHilo

PDX - ITO

PDXITO

Portland

Tue 5/13

5:35 am-6:01 pm

2 stops15h 26m

Hilo Intl

Sat 5/17

6:30 pm-1:20 pm

2 stops15h 50m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 results
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2
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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 $330). Flying from State of Washington to Hilo in July is currently the most expensive (average of $737). 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.

What is the cheapest time of day to fly from WA to ITO?

Find hourly flight availability from Washington to Hilo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from State of Washington to Hilo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Hilo by month

Plan your trip to Hilo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

Temperature in Hilo by month

Plan your trip to Hilo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hilo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 April 30, 2025.
To help decide which airline to fly from Washington to Hilo, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Alaska Airlines ($324), Hawaiian Airlines ($331), and Southwest ($337).

  • 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 $330). Flying from State of Washington to Hilo in July is currently the most expensive (average of $737). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$682FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$436Average$590FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$449Average$626FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$476Average$676FlexibilityNo cancel feeOn-time75%

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