SEA - ITO

$164 Find Cheap Flights from Seattle to Hilo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Hilo departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Hilo

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hilo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hilo, as well as popular online travel agencies
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Cheap Flights from Seattle to Hilo (SEA-ITO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Hilo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Hilo

Wed, Sep 17 - Mon, Sep 22
Hawaiian Airlines Logo
4:55 pm - 10:17 pmSEA-ITO
8h 22m1 stop
Hawaiian Airlines Logo
6:10 pm - 6:19 amITO-SEA
9h 09m1 stop
$283Hawaiian Airlines
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Thu, Nov 6 - Tue, Nov 11
Hawaiian Airlines Logo
3:55 pm - 10:19 pmSEA-ITO
8h 24m1 stop
Hawaiian Airlines Logo
9:00 pm - 7:40 amITO-SEA
8h 40m1 stop
$288Hawaiian Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Alaska Airlines Logo
8:00 am - 6:18 pmSEA-ITO
12h 18m2 stops
Alaska Airlines Logo
5:30 pm - 5:05 amITO-SEA
9h 35m1 stop
$298Alaska Airlines
Find Deal
Fri, Oct 3 - Tue, Oct 7
Alaska Airlines Logo
8:45 pm - 7:05 amSEA-ITO
13h 20m1 stop
Alaska Airlines Logo
6:13 pm - 7:00 amITO-SEA
9h 47m1 stop
$318Alaska Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Alaska Airlines Logo
8:00 am - 7:01 pmSEA-ITO
13h 01m2 stops
Alaska Airlines Logo
7:43 pm - 7:40 amITO-SEA
9h 57m1 stop
$328Alaska Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Hawaiian Airlines Logo
3:55 pm - 10:19 pmSEA-ITO
8h 24m1 stop
Hawaiian Airlines Logo
7:43 pm - 5:25 amITO-SEA
7h 42m1 stop
$329Hawaiian Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Alaska Airlines Logo
3:55 pm - 10:19 pmSEA-ITO
8h 24m1 stop
Alaska Airlines Logo
7:43 pm - 8:39 amITO-SEA
10h 56m2 stops
$339Alaska Airlines
Find Deal
Thu, Aug 21 - Thu, Sep 4
Alaska Airlines Logo
5:20 am - 2:11 pmSEA-ITO
11h 51m2 stops
Alaska Airlines Logo
7:00 pm - 6:00 amITO-SEA
8h 00m1 stop
$343Alaska Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 16
Alaska Airlines Logo
4:55 pm - 10:19 pmSEA-ITO
8h 24m1 stop
Alaska Airlines Logo
6:55 pm - 2:35 pmITO-SEA
16h 40m2 stops
$357Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
Alaska Airlines Logo
3:40 pm - 10:14 pmSEA-ITO
8h 34m1 stop
Alaska Airlines Logo
8:37 am - 8:15 pmITO-SEA
9h 38m1 stop
$362Alaska Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Seattle to Hilo flights

Get data-powered insights and trends into flights from Seattle to Hilo to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Hilo?

The average price of all round-trip flights from Seattle to Hilo clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Hilo on a Wednesday and more expensive on a Friday. On your return trip to Seattle, you should consider flying back on a Thursday, and avoid Sundays for better deals.

What is the cheapest month to fly from Seattle to Hilo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Hilo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Hilo is September, where tickets cost $366 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $808 and $791 respectively.

How far in advance should I book a flight from Seattle to Hilo?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Hilo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Hilo, you should book around 4 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Good to know

Low seasonJune
Cheapest flight$164
Best time to beat the crowds but there is an average 35% increase in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Seattle to Hilo

When to book flights from Seattle to Hilo

Are your dates flexible? Find out the best times to travel from Seattle to Hilo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Hilo

  • On routes from Seattle (SEA) to Hilo (ITO), where are the most frequent stops?

    Hawaiian Airlines commonly has layovers in Honolulu (HNL), while Alaska Airlines often has layovers in Portland (PDX) or Los Angeles (LAX) for flights between Seattle and Hilo. If United Airlines is chosen, typical layover locations include San Francisco (SFO), Los Angeles (LAX), or Denver (DEN), depending on the specific flight itinerary.

  • How do I travel from Hilo International Airport (ITO) to downtown Hilo?

    From the Hilo International Airport (ITO) to the city center, there are many transportation options. Two examples of ride-hailing services that may be accessed using a smartphone app are Uber and Lyft. Taxis are also readily available outside the baggage claim area. If having your own car gives you more freedom, you can hire one from one of the rental car companies at the airport.

  • Near Seattle-Tacoma International Airport (SEA), are there any airport hotels?

    There are several accommodations available close to Seattle-Tacoma International Airport (SEA). One of these is the Seattle Airport Marriott, which is located just outside the terminal. The Hilton Seattle Airport & Conference Center is an additional choice that is close by and can be reached on foot. Another hotel near the airport that is accessible on foot is the Crowne Plaza Seattle Airport. For travelers who need to be close to the airport, particularly those with early or late flights, these hotels offer handy lodging options.

  • After purchasing a ticket for a flight from Seattle (SEA) to Hilo (ITO), can I upgrade it to first class?

    Passengers can upgrade from first class to economy class on Alaska Airlines through the "First Class Upgrade" program. Depending on availability, upgrades can be purchased with cash, miles, or a mix of both.

  • What is the cheapest flight from Seattle to Hilo?

    In the last 3 days, the lowest price for a flight from Seattle to Hilo was $164 for a one-way ticket and $283 for a round-trip.

  • Do I need a passport to fly between Seattle and Hilo?

    A passport is not required to fly from Seattle to Hilo.

  • Which aircraft models fly most regularly from Seattle to Hilo?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Hilo?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Seattle and Hilo, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Hilo, Alaska Airlines or Southwest?

    The two airlines most popular with KAYAK users for flights from Seattle to Hilo are Alaska Airlines and Southwest. With an average price for the route of $669 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Southwest is also a great choice for the route, with an average price of $580 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Seattle to Hilo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Hilo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Hilo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hilo from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Hilo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hilo with an airline and back to Seattle with another airline. Booking your flights between Seattle and ITO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Hilo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hilo from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Hilo

  • Scheduling a flight to Hilo (ITO) with Delta Air Lines, which has a hub at Seattle-Tacoma International Airport (SEA), has a number of benefits. For instance, you have a better chance of obtaining an airline ticket that works with your travel schedule because there are regular flights between Seattle and Hilo.
  • Several airlines, such as Hawaiian Airlines, Delta Air Lines, or United Airlines, offer amenities and services to make traveling with children from Seattle to Hilo more comfortable. They provide complementary snacks and drinks, as well as kid-friendly in-flight entertainment selections. Additionally, they offer priority boarding to parents who are traveling with young children.
  • There are facilities for travelers with disabilities at Alaska Airlines, Hawaiian Airlines, Delta Air Lines, and United Airlines. They assist passengers with boarding, sitting down, and getting off the plane. They also provide extra assistance for passengers who need the use of mobility aids, have sight or hearing problems, or both. Additionally, Delta permits passengers to bring their own aids.
  • Several airlines, including Alaska Airlines, Delta Air Lines, and Hawaiian Airlines, offer the opportunity to reserve a ticket while traveling from Seattle (SEA) to Hilo (ITO) with a pet. There are size restrictions and a potential additional charge when traveling with small dogs or cats on these airlines. Larger pets are allowed to fly in the cargo hold with Delta Air Lines, whereas domestic birds are allowed in the cabin.
  • Hawaiian Airlines allows passengers flying from Seattle to Hilo to bring one carry-on bag and one personal item with them. The maximum size for a carry-on bag is 22 x 14 x 9 inches.

Reviews of the top 4 airlines serving from Seattle to Hilo

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Hilo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Hilo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.1Entertainment
7.8Comfort
8.1Boarding
7.1Food
8.5Crew
Airline reviews

I was in the middle seat in the last row but that wasn’t their fault. It is why I rated the flight as mediocre, also the landing was a little rough. The good was really good. The self service luggage belt at SEATAC stopped working right when I reached it. I was literally placing my bag on the small belt when the main belt stopped. I understand that it wasn’t just Alaska but the entire side of the terminal. It took the agents about 20 minutes to arrive at a game plan and it certainly wasn’t flawless but they arranged for our luggage to be taken to the plane the old fashioned way by hand. Understandably, the plane was late in leaving. The flight took the proper amount of time and instead of arriving at OAK at 1:45, we got there at 2:30. I took my time getting to baggage claim because I knew it would be late if it was there at all. Sure enough it wasn’t but there was an agent there to greet me and inform me about my luggage. Long story longer, they delivered my luggage to where I was staying which was an hour away from the airport. Alaska has instituted a delivery type tracking system through my email that kept me informed of where my luggage was the whole time. WELL DONE!!

8.0 ExcellentMichael, Jul 2025SEA - OAK
Read more Alaska Airlines reviews

I was in the middle seat in the last row but that wasn’t their fault. It is why I rated the flight as mediocre, also the landing was a little rough. The good was really good. The self service luggage belt at SEATAC stopped working right when I reached it. I was literally placing my bag on the small belt when the main belt stopped. I understand that it wasn’t just Alaska but the entire side of the terminal. It took the agents about 20 minutes to arrive at a game plan and it certainly wasn’t flawless but they arranged for our luggage to be taken to the plane the old fashioned way by hand. Understandably, the plane was late in leaving. The flight took the proper amount of time and instead of arriving at OAK at 1:45, we got there at 2:30. I took my time getting to baggage claim because I knew it would be late if it was there at all. Sure enough it wasn’t but there was an agent there to greet me and inform me about my luggage. Long story longer, they delivered my luggage to where I was staying which was an hour away from the airport. Alaska has instituted a delivery type tracking system through my email that kept me informed of where my luggage was the whole time. WELL DONE!!

Crew was very friendly. Our bags showed up at the carousel within 20 minutes of arrival.

Flight was delayed and hour due to tire issue. First flight of the day, this issue should have been discovered prior to boarding.

Both legs of the trip were delayed about an hour. Planes were new, liked the WiFi availability and entertainment available. Crew was very good. People were happy and helpful. Liked the pilots - they provided updates throughout the flights. Snacks were underwhelming. Drinks were good! Like the smaller sodas and they actually came through the cabin 2x which was great. In Seattle airport the construction caused much confusion for Alaska. Process of printing own tags, etc was chaotic for people who didn’t check in online prior to arrival which in turn caused issues for those who did. Plus airport gates were too small for the number of people flying.

We did have to wait an hour for the runway to be cleared but other than that it was fine.

My seat row didn’t have tray tables which made it pretty difficult to get comfortable on a four hour flight. Good experience outside of that, though.

There was no sitting place in Sea-Tac airport. Even airline didn’t provide any food or dinner. I will never take this airline in my future travel.

Crew was very rude and uncaring. When someone tried to place their bag in overhead bin and they asked for help, crew told them they could not assist. Crew member then told the customer if they couldn’t place into overhead bin on their own, they should have checked in bag. When other customer helped to place the bag in the overhead bin, they were given evil look by crew member and told to hurry back to their uncomfortable middle seat. This was despite the fact that the plane did not leave until 30 minutes later. The flight was ~80% full; when final people boarded, they were forced into middle seats with no room for comfort. There were a handful of emergency row seats unoccupied. When asked if any of the emergency row seats may be used, the crew said that they would cost extra. Normally if a flight is completely boarded and there are open seats, the crew at least gives thought to asking someone if they want to re-locate to the more comfortable seat, especially on a long flight.

I am always uncomfortable about the boarding process. I think every airlines has their own procedures for boarding but all of their procedures are inconvenient because it takes too much time to board. If you board people from back seat to front, I think you can reduce the time to boarding.

Our original fluffy was cancelled. Our substitute flight didn't fly. We lost out on our hotel and car rental. Had to fly out the next morning. Alaska didn't give us any meaningful information. The first flight was scheduled to leave at 4pm and the substitute flight at 9pm. We left the airport at midnight for a hotel. No weather. Beyond disappointed.

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

WiFi did not work. For as outrageous as these flights cost, when they’re advertised with certain services/ features they should be in working order

Worst experience I had on Southwest. Still better than most, but the seating was barely tolerable.

The Southwest employees (all two of them) were very nice and cheerful despite the fact the line to self-check a bag (simply drop it off) was hundreds of people long. Thank God I arrived early to the airport because I stood in this line for at least an hour. Once on the flight that had been delayed by an hour, we had no Wi-Fi and thus no entertainment. Finally, I hope the investor strong arm tactics against Southwest pay off in a short-term windfall to your C-Suite because the rest of you are screwed. I have been a faithful Southwest customer for 15 years due to everything you just got rid of. I'm flying to Idaho and Washington in October, both places I used to simply book with Southwest without a second thought now with Frontier (Washington) and United (Idaho) because they offer everything the "new" Southwest does but cheaper and at better times, destinations, etc. This really makes me sad...

It was okay. The plane was delayed from earlier in the day, but they kept updating the departure time, sometimes later, sometimes earlier. That was stressful. Once we finally got on and took off, it was fine. I was supposed to have a connection in Chicago to Los Angeles, and the time for so late I was rebooked to arrive in LA 3 hours late. The departure time to Chicago later became early enough to have taken my original connection and arrive earlier but that wasn't an option.

It was one and half hour late... Not sure if any other experience matters.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

For my birthday trip this was my second time ever flying, this trip was the best.

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Flight was delayed, 30+ bags had to be gate checked. Crew were very friendly!

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

The crew was great! It was nice to have a pillow and blanket... It gets cold on those flights. I paid extra money to sit where I thought was extra comfort seating, but it wasn't,... So, I was mad a bit about that. I'm hoping our flight home will be better.

Check-in process at SEA was very difficult, e.g., how to check-in and finding where to go to check-in. Staff that helped me was friendly. Security process very disorganized. Stopped at gate C2A to try to get on an earlier flight and four staff didn’t acknowledge me, some of the worst customer service I’ve experienced at a gate counter.

I could not check in ahead of time. Kayak did not give me a proper confirmation number to check in.

The steward staff was particularly friendly and helpful. They smiled a lot and seemed anxious to be sure we enjoyed the flight.

The worst flight experience I've ever had. Our flight was delayed 14 whole hours because the flight crew never showed up. We had to wait in a two hour line to get our new boarding passes, we were told we had no other option but to fly at 10pm (we didn't depart until 11:45pm). Everyone had to contact their hotels and car rental places, workplaces, etc. since we lost an entire day's worth of travel. The crew showed up at 10:15, which was past the time we were supposed to board. They were laughing and being completely smug when they boarded, and they took another hour to board us onto our flight. The flight crew never came to check in on us, we were quickly given one drink and sandwich and they turned off the lights and were negligent the rest of the trip. My mom asked three attendants for a seat belt extender, they never brought one. I was dehydrated and never received another drink. They were very rude and unfriendly, we had been up since 4am the morning of our flight and didn't land in our destination until 2am the next day (5am local time). This was unacceptable service and treatment, these flights are not cheap and we were inconvenienced out of an entire day of travel. This was 100% avoidable and was the fault of Hawaiian Airlines, and their crews inability to show up to work on time.

Loved the leg room, usb charging, outlet, food, staff. The seats were very uncomfortable for some reason and made my buttocks ache and would have liked to be seated together from the time of purchasing tickets without having to pay extra.

My confirmation number did not work to check in the day before, so I had to go to the very busy line (no kiosks at the airport) and almost missed my flight. Also, no one told me that I had to actually check in with Alaska

Usually we have a pleasant trip on HA. Not this time! All stewards were unpleasant, rude, rushed, condescending. First step onto the plane, WE greeted the crew with an “Hello!”. They greeted us with a terse smile then ignored us. Not a good start. Even over the PA announcements, they were rushed and unpleasant. One Stewart even berated a passenger in front of us when all they asked is if the purchase cart had vodka to purchase. The steward said “LIKE WE SAID OVER THE PA, THIS ONLY HAS FOOD OR BEVERAGE!” Vodka is a beverage! It was a legitimate question. Not sure why she treated the passenger this way. Taking trash was even unpleasant, No “Thank you” or at least a smile. I work in CS. I know good CS can make or break your trip. There was absolutely no “aloha” on this trip. All clearly did not want to be on this plane and felt strongly that they did not want to provide a premium service to their clients. This might be our last HA and cancellation of my HA-MC if we are treated the same way going home. We are typically treated with kindness and warmth in the past with HA. This trip was unacceptable.

Overall it was a good flight, but the food should be looked at. No options. The seat was also uncomfortable and very tight.

It’s great, I’ve always fly & ride with Hawaiian Airlines going Inter island or to the mainland.

Everything you need to know for your flight from Seattle to Hilo

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