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$164+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — SEA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$571
(Alaska Airlines)

One-way from

$164
(Alaska Airlines)

Popular in

November

Cheapest in

September

Average price

$794
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. 1% potential increase in price ($10 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 July 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 July 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:26 pmITO - SEA
1 stop8h 59mAlaska Airlines
Mon 11/33:55 pmSEA - ITO
1 stop8h 24mAlaska Airlines
Deal found 7/28$288
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:26 pmITO - SEA
3 stops23h 25mUnited Airlines
Mon 11/31:20 pmSEA - ITO
2 stops30h 40mUnited Airlines
Deal found 7/28$624
This Hawaiian Airlines deal was found by Cheapflights users on 7/26. 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 8/118:37 amITO - SEA
1 stop8h 08mHawaiian Airlines
Mon 8/258:15 amSEA - ITO
1 stop8h 56mHawaiian Airlines
Deal found 7/26$648
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 12/228:41 amITO - SEA
1 stop19h 26mDelta
Thu 1/15:30 amSEA - ITO
2 stops14h 20mDelta
Deal found 7/28$876
This Southwest deal was found by Cheapflights users on 7/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:55 pmITO - SEA
2 stops12h 30mSouthwest
Sat 8/236:25 amSEA - ITO
2 stops14h 45mSouthwest
Deal found 7/28$944

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 July 29, 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

Sat 8/23

4:28 pm-6:00 am

1 stop10h 32m

Seattle/Tacoma Intl

Sat 8/30

3:55 pm-10:17 pm

1 stop9h 22m

$571

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Mon 8/11

8:37 am-7:45 pm

1 stop8h 08m

Seattle/Tacoma Intl

Mon 8/25

8:15 am-2:11 pm

1 stop8h 56m

$648

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 8/12

7:00 pm-6:58 pm

2 stops20h 58m

Seattle/Tacoma Intl

Mon 8/18

6:45 am-6:29 pm

2 stops14h 44m

$791

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Sun 8/17

6:55 pm-10:25 am

2 stops12h 30m

Seattle/Tacoma Intl

Sat 8/23

6:25 am-6:10 pm

2 stops14h 45m

$944

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Sat 8/23

7:00 pm-12:34 pm

2 stops14h 34m

Seattle/Tacoma Intl

Sat 8/30

10:15 am-8:30 pm

2 stops13h 15m

$1,103

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Sun 8/17

8:00 pm-2:43 pm

2 stops15h 43m

Seattle/Tacoma Intl

Sat 8/23

7:45 am-6:30 pm

2 stops13h 45m

$1,780

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Mon 9/15

9:00 pm-7:54 am

1 stop7h 54m

$164

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 8/19

7:49 am-9:43 pm

1 stop10h 54m

$314

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Tue 8/12

7:00 pm-7:30 am

1 stop9h 30m

$397

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/23

6:00 am-11:56 am

3 stops50h 56m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 June is currently the most expensive (average of $389). 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 July 29, 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.

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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Hilo to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $571 on this airline. Additional options worth looking into are Hawaiian Airlines and United Airlines, starting at $648 and $791 round-trip. Alaska Airlines is 11% 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 Alaska Airlines, with whom users have recently found tickets for as low as $164. However, be on the lookout for offers from Hawaiian Airlines and Delta, 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 June is currently the most expensive (average of $389). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Tacoma
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Leavenworth
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Puyallup
Kent
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Federal Way
Shelton

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$357Average$728FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$401Average$489FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$459Average$807FlexibilityNo cancel feeOn-time85%

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