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$259+ Cheap flights from Hilo to Seattle (ITO - SEA)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SEA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Hilo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$513
(Southwest)

One-way from

$259
(Hawaiian Airlines)

Popular in

August

Cheapest in

September

Average price

$670
Provider with most accurate pricing for Hilo Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Hilo Intl-Seattle/Tacoma Intl flights.
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From Hilo Intl to Seattle/Tacoma Intl
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One-way flight from Hilo Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 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 Hilo to Seattle

Cheapest flights from Hilo to Seattle
Explore the most affordable flight options available from Hilo to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Southwest deal was found by Cheapflights users on 4/14. 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 9/197:55 amITO - SEA
2 stops12h 10mSouthwest
Sun 9/2810:35 amSEA - ITO
2 stops10h 35mSouthwest
Deal found 4/14$513
This Hawaiian Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 5/123:05 pmITO - SEA
1 stop12h 10mHawaiian Airlines
Mon 5/1910:00 amSEA - ITO
1 stop10h 57mHawaiian Airlines
Deal found 4/14$526
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:05 pmITO - SEA
1 stop14h 20mAlaska Airlines
Tue 5/206:25 pmSEA - ITO
1 stop17h 33mAlaska Airlines
Deal found 4/15$590
This United Airlines deal was found by Cheapflights users on 4/13. 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 4/298:25 amITO - SEA
2 stops24h 14mUnited Airlines
Sat 5/32:40 pmSEA - ITO
2 stops22h 15mUnited Airlines
Deal found 4/13$743
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 6/104:16 pmITO - SEA
2 stops14h 38mDelta
Tue 6/173:59 pmSEA - ITO
1 stop8h 46mDelta
Deal found 4/14$800
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:25 pmITO - SEA
2 stops15h 24mMultiple Airlines
Mon 5/55:05 amSEA - ITO
3 stops15h 55mMultiple Airlines
Deal found 4/15$1,286

Cheapflights Fare Finder

Customize your flight search to find flights from Hilo to Seattle 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 15, 2025.
Use the filters below to find and compare flights from Hilo to Seattle that are best for you.

Fly from

Hilo

Fly to

Seattle

Route

Depart

Return

Price

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Fri 9/19

7:55 am-11:05 pm

2 stops12h 10m

Seattle/Tacoma Intl

Sun 9/28

10:35 am-6:10 pm

2 stops10h 35m

$513

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Mon 5/12

3:05 pm-6:15 am

1 stop12h 10m

Seattle/Tacoma Intl

Mon 5/19

10:00 am-5:57 pm

1 stop10h 57m

$526

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 5/13

3:05 pm-8:25 am

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/20

6:25 pm-8:58 am

1 stop17h 33m

$590

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 4/29

8:25 am-11:39 am

2 stops24h 14m

Seattle/Tacoma Intl

Sat 5/3

2:40 pm-9:55 am

2 stops22h 15m

$743

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 6/10

4:16 pm-9:54 am

2 stops14h 38m

Seattle/Tacoma Intl

Tue 6/17

3:59 pm-9:45 pm

1 stop8h 46m

$800

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Fri 9/19

6:45 pm-1:27 pm

3 stops15h 42m

Seattle/Tacoma Intl

Sun 9/28

5:00 am-3:18 pm

3 stops13h 18m

$1,329

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Wed 5/21

3:12 pm-6:15 am

1 stop12h 03m

$259

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Wed 9/17

6:00 am-7:20 pm

2 stops10h 20m

$265

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Wed 5/21

1:43 pm-6:35 am

2 stops13h 52m

$296

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Sat 5/3

8:40 am-9:31 pm

3 stops57h 51m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Compare providers for flights from Hilo to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hilo to Seattle in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hilo-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hilo-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hilo-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hilo to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hilo 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 Hilo to Seattle

What is the cheapest month to book a flight from Hilo to Seattle?

Currently, January is the cheapest month in which you can book a flight from Hilo to Seattle (average of $238). Flying from Hilo to Seattle in July is currently the most expensive (average of $411). 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 ITO to SEA?

Find hourly flight availability from Hilo to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

It’s typically best to fly out from Hilo to Seattle in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 15, 2025.
Read through reviews of airlines operating flights from Hilo to Seattle, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

  • What are the cheapest airlines flying from Hilo to Seattle round-trip?

    Our cheapest airline available from Hilo to Seattle is Southwest. Our recent data shows that you can find tickets from as low as $513 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at $526 and $590 round-trip. Southwest is 14% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Hilo to Seattle one-way?

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $259. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Hilo to Seattle for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hilo to Seattle 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 Hilo to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Hilo to Seattle (average of $238). Flying from Hilo to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Hilo to Seattle

Discover the top 3 airlines that operate flights from Hilo to Seattle. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$401Average$489FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$436Average$670FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$458Average$633FlexibilityNo cancel feeOn-time75%

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