What airlines fly to Seattle?

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Seattle from Hilo according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Hilo Intl to Seattle/Tacoma Intl?

Alaska Airlines, Southwest, and Hawaiian Airlines are the most popular carriers operating from Hilo Intl to Seattle/Tacoma Intl

Which layover airport has the shortest connection time from Hilo to Seattle?

Kahului (OGG) has the shortest average layover time for this route: 1h 30m.

Which layover airport offers the lowest fares from Hilo to Seattle?

Flights via Honolulu (HNL) offer the lowest average round-trip price of $659.

Which airport is the most popular layover for flights between Hilo and Seattle?

Honolulu (HNL) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Hilo to Seattle?

Flights connecting via Kahului (OGG) have the shortest average one-way travel time: 8h 08m.

When did momondo last update prices for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport are updated daily.

How many operators does momondo search for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport?

There are 3 operators available for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport as of August 2025.

How old do you have to be to fly from Hilo Intl Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hilo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$164 Cheap Flights from Hilo to Seattle in 2025

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Find the cheapest flights from Hilo to Seattle

Round-trip

One-way

Cheap round-trip flights

6:13 pm - 7:00 amITO-SEA

9h 47m1 stop

1:40 pm - 8:30 pmSEA-ITO

9h 50m1 stop

$288Alaska Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

6:00 am - 7:30 pmITO-SEA

10h 30m1 stop

8:00 am - 4:56 pmSEA-ITO

11h 56m2 stops

$298Alaska Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

6:00 am - 7:20 pmITO-SEA

10h 20m1 stop

8:45 pm - 7:05 amSEA-ITO

13h 20m1 stop

$362Alaska Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

7:00 pm - 2:26 pmITO-SEA

16h 26m2 stops

4:55 pm - 10:19 pmSEA-ITO

8h 24m1 stop

$402Alaska Airlines

Find Deal

Thu, Oct 2 - Mon, Oct 6

6:55 pm - 11:46 amITO-SEA

13h 51m2 stops

8:00 am - 4:56 pmSEA-ITO

11h 56m2 stops

$428Alaska Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

7:00 pm - 7:54 amITO-SEA

9h 54m1 stop

3:55 pm - 10:17 pmSEA-ITO

9h 22m1 stop

$476Alaska Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

7:55 am - 11:05 pmITO-SEA

12h 10m2 stops

5:15 am - 6:10 pmSEA-ITO

15h 55m2 stops

$533Southwest

Find Deal

Fri, Aug 29 - Fri, Sep 5

7:55 am - 11:05 pmITO-SEA

12h 10m2 stops

7:25 am - 6:10 pmSEA-ITO

13h 45m2 stops

$551Southwest

Find Deal

Fri, Aug 29 - Sun, Sep 14

6:00 am - 11:05 pmITO-SEA

14h 05m2 stops

6:55 am - 6:10 pmSEA-ITO

14h 15m2 stops

$621Southwest

Find Deal

Mon, Aug 25 - Sat, Sep 6

7:00 pm - 11:41 amITO-SEA

13h 41m2 stops

6:25 am - 5:38 pmSEA-ITO

14h 13m3 stops

$1,766United Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 19

Alaska Airlines flights from Hilo to Seattle

Our best Alaska Airlines deals on Hilo to Seattle flight tickets

Alaska Airlines

Oct 23

ITO6:13 pmHilo Intl

9h 47m

1 stop

SEA7:00 amSeattle/Tacoma Intl

Oct 28

SEA1:40 pmSeattle/Tacoma Intl

9h 50m

1 stop

ITO8:30 pmHilo Intl

$288

Find similar

Alaska Airlines

Oct 23

ITO6:00 amHilo Intl

10h 30m

1 stop

SEA7:30 pmSeattle/Tacoma Intl

Oct 28

SEA8:00 amSeattle/Tacoma Intl

11h 56m

2 stops

ITO4:56 pmHilo Intl

$298

Find similar

Alaska Airlines

Oct 2

ITO6:00 amHilo Intl

10h 20m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

Oct 6

SEA8:45 pmSeattle/Tacoma Intl

13h 20m

1 stop

ITO7:05 amHilo Intl

$362

Find similar

United Airlines flights from Hilo to Seattle

Our best United Airlines deals on Hilo to Seattle flight tickets

United Airlines

Aug 11

ITO5:25 pmHilo Intl

17h 00m

2 stops

SEA1:25 pmSeattle/Tacoma Intl

Aug 25

SEA1:05 pmSeattle/Tacoma Intl

22h 02m

2 stops

ITO8:07 amHilo Intl

$933

Find similar

United Airlines

Aug 15

ITO7:00 pmHilo Intl

13h 41m

2 stops

SEA11:41 amSeattle/Tacoma Intl

Aug 19

SEA6:25 amSeattle/Tacoma Intl

14h 13m

3 stops

ITO5:38 pmHilo Intl

$1,766

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/23

6:13 pm-7:00 am

1 stop9h 47m

Seattle/Tacoma Intl

Tue 10/28

1:40 pm-8:30 pm

1 stop9h 50m

$288

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/23

6:00 am-7:30 pm

1 stop10h 30m

Seattle/Tacoma Intl

Tue 10/28

8:00 am-4:56 pm

2 stops11h 56m

$298

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/2

6:00 am-7:20 pm

1 stop10h 20m

Seattle/Tacoma Intl

Mon 10/6

8:45 pm-7:05 am

1 stop13h 20m

$362

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/2

7:00 pm-2:26 pm

2 stops16h 26m

Seattle/Tacoma Intl

Mon 10/6

4:55 pm-10:19 pm

1 stop8h 24m

$402

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Thu 10/23

6:55 pm-11:46 am

2 stops13h 51m

Seattle/Tacoma Intl

Tue 10/28

8:00 am-4:56 pm

2 stops11h 56m

$428

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Sat 8/30

7:00 pm-7:54 am

1 stop9h 54m

Seattle/Tacoma Intl

Sat 9/6

3:55 pm-10:17 pm

1 stop9h 22m

$476

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Fri 8/29

7:55 am-11:05 pm

2 stops12h 10m

Seattle/Tacoma Intl

Fri 9/5

5:15 am-6:10 pm

2 stops15h 55m

$533

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Fri 8/29

7:55 am-11:05 pm

2 stops12h 10m

Seattle/Tacoma Intl

Sun 9/14

7:25 am-6:10 pm

2 stops13h 45m

$551

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Mon 8/25

6:00 am-11:05 pm

2 stops14h 05m

Seattle/Tacoma Intl

Sat 9/6

6:55 am-6:10 pm

2 stops14h 15m

$621

HiloSeattle

ITO - SEA

ITOSEA

Hilo Intl

Fri 8/15

7:00 pm-11:41 am

2 stops13h 41m

Seattle/Tacoma Intl

Tue 8/19

6:25 am-5:38 pm

3 stops14h 13m

$1,766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hilo to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Hilo is on a Thursday. momondo users have found tickets for Thursday departures for as low as $540. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Hilo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $756.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Hilo in the morning is the least expensive time of day to depart. momondo users have found prices as low as $591 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $735. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Hilo to Seattle flights?

You could potentially save up to 51% on your flight if you consider stops on a Hilo to Seattle flight.

How have Hilo to Seattle flight prices changed over time?

As of August 2025, prices for Hilo to Seattle flights are approximately 50% cheaper when compared to flights at the same time last year.

When to book flights from Hilo to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Hilo to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hilo to Seattle (ITO to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hilo to Seattle

Best Price Found	$164
Fastest flight time	7h 54m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Hilo in the past 72 hours is $164. The best round-trip flight deal from Hilo to Seattle found on momondo in the last 72 hours is $288.

The fastest flight from Hilo to Seattle takes 7h 54m

There are no direct flights from Hilo to Seattle. Popular non-direct route for this connection is Hilo Intl Airport - Seattle/Tacoma Intl Airport.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Hilo Intl to Seattle/Tacoma Intl by plane?
A flight from Hilo Intl to Seattle/Tacoma Intl will travel around 2655.7 mi. 8h 17m is a normal flight duration for this route.
When did momondo last update prices for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport?
There are 3 operators available for flights from Hilo Intl Airport to Seattle/Tacoma Intl Airport as of August 2025.
How old do you have to be to fly from Hilo Intl Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hilo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Hilo to Seattle?
momondo data reveals that the most frequently booked airline on the route from Hilo to Seattle is Hawaiian Airlines, representing 67% of all bookings. The subsequent popular airlines are Alaska Airlines at 24% and Southwest at 9%.

Best airlines flying from Hilo to Seattle

Compare and see reviews for airlines that fly from Hilo to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $357	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $401	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $459	Free Cancellation	Rating 7.8 2,611 reviews	Search Hawaiian Airlines flights

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SeaTac

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Olympia

Renton

Kent

Federal Way

Puyallup

Lynnwood

Marysville

Tukwila

Kirkland

Lakewood

Fife

Centralia

Cle Elum

Shoreline

Westport

Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Hilo to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hilo to Seattle for you.

Can I find flights from Hilo to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Hilo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Hilo to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hilo to Seattle.

I’m not ready to book a flight from Hilo to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Hilo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.