An Alaska Airlines plane taking off with a snow-capped mountain in the background.

$188 Cheap Flights from Hilo (ITO) to Seattle (SEA)

View $188 flight on Thu, Oct 29, 2026Opens in a new window

Popular airlines from Hilo Intl. Airport (ITO) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Hilo to Seattle (ITO-SEA)

Prices were available within the past 7 days and start at $188 for one-way flights and $415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Fri, Dec 4 - Tue, Dec 8
ITO
Hawaii Island
SEA
Seattle
$415 Roundtrip, found 12 hours ago
$415
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Fri, Dec 4 from Hawaii Island to Seattle, returning Tue, Dec 8, priced at $415 found 12 hours ago
Southwest Airlines
Fri, Dec 4 - Tue, Dec 8
ITO
Hawaii Island
SEA
Seattle
$420 Roundtrip, found 12 hours ago
$420
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Fri, Dec 4 from Hawaii Island to Seattle, returning Tue, Dec 8, priced at $420 found 12 hours ago
Southwest Airlines
Fri, Dec 4 - Tue, Dec 8
ITO
Hawaii Island
SEA
Seattle
$428 Roundtrip, found 12 hours ago
$428
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Fri, Dec 4 from Hawaii Island to Seattle, returning Tue, Dec 8, priced at $428 found 12 hours ago
Southwest Airlines
Mon, Nov 2 - Mon, Nov 9
ITO
Hawaii Island
SEA
Seattle
$432 Roundtrip, found 23 hours ago
$432
Roundtrip
found 23 hours ago
Select Southwest Airlines flight, departing Mon, Nov 2 from Hawaii Island to Seattle, returning Mon, Nov 9, priced at $432 found 23 hours ago
Southwest Airlines
Fri, Dec 4 - Tue, Dec 8
ITO
Hawaii Island
SEA
Seattle
$433 Roundtrip, found 12 hours ago
$433
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Fri, Dec 4 from Hawaii Island to Seattle, returning Tue, Dec 8, priced at $433 found 12 hours ago
Southwest Airlines
Wed, Oct 14 - Mon, Oct 19
ITO
Hawaii Island
SEA
Seattle
$437 Roundtrip, found 20 hours ago
$437
Roundtrip
found 20 hours ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Hawaii Island to Seattle, returning Mon, Oct 19, priced at $437 found 20 hours ago
Southwest Airlines
Wed, Sep 23 - Sun, Sep 27
ITO
Hawaii Island
SEA
Seattle
$438 Roundtrip, found 6 hours ago
$438
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Sep 23 from Hawaii Island to Seattle, returning Sun, Sep 27, priced at $438 found 6 hours ago
Alaska Airlines
Tue, Oct 13 - Sun, Oct 18
ITO
Hawaii Island
SEA
Seattle
$448 Roundtrip, found 6 hours ago
$448
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Tue, Oct 13 from Hawaii Island to Seattle, returning Sun, Oct 18, priced at $448 found 6 hours ago
American Airlines
Mon, Nov 2 - Mon, Nov 9
ITO
Hawaii Island
SEA
Seattle
$487 Roundtrip, found 23 hours ago
$487
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Mon, Nov 2 from Hawaii Island to Seattle, returning Mon, Nov 9, priced at $487 found 23 hours ago
United
Thu, Oct 15 - Tue, Oct 20
ITO
Hawaii Island
SEA
Seattle
$738 Roundtrip, found 12 hours ago
$738
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Oct 15 from Hawaii Island to Seattle, returning Tue, Oct 20, priced at $738 found 12 hours ago

What you need to know for your flight from Hilo Intl. to Seattle - Tacoma Intl.

Hilo (ITO) to Seattle (SEA) at a glance

Explore a range of options for flights from Hilo International Airport (ITO) to Seattle-Tacoma International Airport (SEA) on this domestic long-haul route. Whether you prefer full-service airlines or are on the lookout for cheap Hilo to Seattle flights, you can compare various itineraries to suit your budget and schedule. Discover the highlights of Seattle's iconic attractions and neighborhoods as you plan your journey.

  • Fastest flight duration: around 6h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 2,600 miles (4,180 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $160–$590, depending on seasonality and how far ahead you book

Flights from Hilo International Airport (ITO) to Seattle - Tacoma International Airport (SEA)

Based on recent traveler bookings, here are the top airlines flying from Hilo to Seattle, focusing on one-stop and multi-stop options. Travelers frequently connect through Daniel K. Inouye International Airport (HNL) with a layover of about 1 hour and 30 minutes, or Kahului Airport (OGG) with an approximate layover of 2 hours and 45 minutes. This allows you to explore various combinations of price, total travel time, and cabin class to discover the best itinerary for your trip.

  • Hawaiian Airlines: This full-service airline provides one-stop flights, with one-way prices generally varying from $160 to $705. It operates about 57% of flights on this route, featuring an in-flight duration of 6 hours and 45 minutes, and an overall travel time of approximately 8 hours and 15 minutes, including layovers.
  • Alaska Airlines: Offering one-stop service, this full-service carrier has one-way fares typically between $215 and $540. It makes up around 27% of departures on this route, with a flight time of 6 hours and 45 minutes and a total journey time of about 8 hours and 15 minutes, factoring in the layover.
  • Southwest Airlines: As a low-cost option, this airline provides multi-stop service, with one-way fares usually ranging from $185 to $400. It accounts for roughly 9% of departures on this route, featuring an in-flight time of 8 hours and 15 minutes and a total travel duration of around 11 hours and 45 minutes, including layovers.
  • Delta: This full-service airline offers one-stop flights, with one-way fares generally falling between $380 and $835. It represents about 5% of the departures on this route, with an in-flight time of 6 hours and 45 minutes and a total journey time of approximately 8 hours and 15 minutes, layover included.

Best time to fly from Hilo (ITO) to Seattle (SEA)

The most popular months for travelers flying from Hilo to Seattle are January, February, and March, when peak temperatures in Seattle reach up to 43.9°F in March. If you prefer quieter travel, consider December, the least busy time to visit with temperatures around 39.2°F and typically the lowest average one-way fare (around $261). Flight availability peaks in November, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: December usually offers good deals with average one-way fare around $261, roughly 30% cheaper than the yearly average.
  • Most flight options: November has the highest number of flights from Hilo to Seattle, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.3°F (4.6°C)High8$408
February40.5°F (4.7°C)High8$364
March43.9°F (6.6°C)High9$424
April48.6°F (9.2°C)Average7$414
May55.8°F (13.2°C)Low9$329
June61.0°F (16.1°C)Low9$442
July67.1°F (19.5°C)Average8$380
August67.5°F (19.7°C)Average7$363
September61.3°F (16.3°C)Average7$346
October52.7°F (11.5°C)Average8$381
November44.2°F (6.8°C)Average10$401
December39.2°F (4.0°C)Low7$261

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Hilo (ITO) to Seattle (SEA)

  • Kailua-Kona to Seattle (KOA-SEA): Kona International Airport (KOA) is located approximately 65 miles from Hilo International Airport (ITO). One-way fares in the economy class for this route generally vary from $140 to $610, influenced by the season and time of booking. This route usually features both direct and connecting flights. Major airlines serving this route include Alaska Airlines and Delta. Additionally, options for business and first-class service are also available on this journey.

How to find the best prices for flights from Hilo (ITO) to Seattle (SEA)

Getting some of the best deals on flights from Hilo to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures (6 PM-12 AM) often come with lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Wednesday usually offers cheaper rates, even though Tuesday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from Hilo International Airport

Seattle welcomes travelers from Hilo with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is situated about 4.3 miles from the airport and is typically reached by car.

Frequently asked questions

How much does a flight from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $188 and cheap return flights from $415 Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $229 and $1231, and return flights often range between $491 and $1791. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is the cheapest month to fly from Hilo, HI (ITO) to Seattle, WA (SEA), with average return fares around $472. This price is about 26% lower than the average throughout the year, as January often has less travel demand following the holiday season. Other budget-friendly months for this route include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter ITO to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Hilo, HI (ITO) to Seattle, WA (SEA), with round-trip tickets starting from around $443 with a layover in Daniel K. Inouye Intl. (HNL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When traveling from Hilo (ITO) to Seattle (SEA), January and October are the best months to consider. Average round-trip prices are around $472, providing a good balance of cost and experience. January allows you to escape the winter chill, while October offers beautiful fall scenery.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Hilo International Airport (ITO) to Seattle - Tacoma International Airport (SEA) typically departs at around 6:00 AM, operated by Alaska Airlines. This seasonal service is a great way to begin your travels to Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Hilo, HI (ITO) to Seattle, WA (SEA) are in the late evening, from 6pm to 9pm. About 36% of passengers prefer this time window. Airlines like Hawaiian Airlines and Alaska Airlines operate flights during this period, making it a convenient choice for travelers looking to maximize their time in Hilo.
How long does it take to fly from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from ITO to SEA with a connection usually takes about 8 hours 50 minutes, traveling roughly 2,651 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
First class seats are offered on the ITO to SEA route with Hawaiian Airlines.
How do I earn miles on a Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Hilo Intl. (ITO)?
If you're planning to travel to Seattle from Hilo Intl. (ITO), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Daniel K. Inouye Intl. (HNL), OGG (OGG) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Hilo, HI (ITO-Hilo Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Hilo Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Southwest Airlines, United
Roundtrip price
$414
Distance
2650 mi

Book with confidence

Hilo to Seattle Flights

The cheapest times to fly from Hilo to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hilo to Seattle are during the month of December. You can find some of the cheapest flights from Hilo to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hilo to Seattle

Sunday is one of the best days to book for cheap flights from Hilo to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hilo to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hilo to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from $188 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hilo to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hilo to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Hilo to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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