Cheap Flights from Honolulu (HNL) to Seattle (SEA) from HK$1,562~

View HK$1,562 flight on Mon, 22 Sep 2025Opens in a new window

Popular airlines from Daniel K. Inouye Intl. Airport (HNL) to Seattle-Tacoma International Airport (SEA)

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Find Cheap Flights from Honolulu (HNL) to Seattle (SEA)

Prices were available within the past 7 days and start at HK$1,562 for one-way flights and HK$3,602 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$3,602 Return, found 23 hours ago
HK$3,602
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$3,602 found 23 hours ago
Delta
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$3,900 Return, found 23 hours ago
HK$3,900
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$3,900 found 23 hours ago
United
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,140 Return, found 23 hours ago
HK$4,140
Return
found 23 hours ago
Select United flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,140 found 23 hours ago
Delta
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,281 Return, found 23 hours ago
HK$4,281
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,281 found 23 hours ago
United
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,368 Return, found 23 hours ago
HK$4,368
Return
found 23 hours ago
Select United flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,368 found 23 hours ago
Delta
Sat, 23 Aug - Thu, 28 Aug
HNL
Oahu
SEA
Seattle
HK$4,391 Return, found 6 days ago
HK$4,391
Return
found 6 days ago
Select Delta flight, departing Sat, 23 Aug from Oahu to Seattle, returning Thu, 28 Aug, priced at HK$4,391 found 6 days ago
Delta
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,401 Return, found 23 hours ago
HK$4,401
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,401 found 23 hours ago
Delta
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,468 Return, found 23 hours ago
HK$4,468
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,468 found 23 hours ago
Southern Airways Express
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,882 Return, found 23 hours ago
HK$4,882
Return
found 23 hours ago
Select Southern Airways Express flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,882 found 23 hours ago
American Airlines
Thu, 4 Sep - Wed, 10 Sep
HNL
Oahu
SEA
Seattle
HK$4,970 Return, found 23 hours ago
HK$4,970
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 4 Sep from Oahu to Seattle, returning Wed, 10 Sep, priced at HK$4,970 found 23 hours ago

Find the cheapest month to fly from Honolulu (HNL) to Seattle (SEA)

November is typically the cheapest month to fly

From HK$1,848 - HK$4,689 per traveller.

Graph displaying average flight prices per month

Honolulu to Seattle route information
Origin airport
Daniel K. Inouye Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$3,602
Distance
4281 km
Average flight time
8 hours 48 mins

Flights from Honolulu to Seattle

Book cheap flights from Honolulu (HNL) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Honolulu (HNL) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Honolulu (HNL) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$1,562 now!

 

Frequently asked questions

How much is a flight from Honolulu International Airport to SEA?
Start packing your bags, because round-trip journeys from Honolulu International Airport to Sea-Tac Airport start from HK$3,602. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Honolulu International Airport to Sea-Tac Airport?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Honolulu Intl. Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Honolulu Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Honolulu International Airport to Sea-Tac Airport?
With around 4,300 kilometers separating Honolulu and SeaTac, your flight will be a long one. Pack wisely and make your time in the air more comfortable. Things like an eye mask and a quality neck pillow should be in your carry-on bag.
Which airlines fly direct from Daniel K. Inouye Intl. Airport (HNL) to Seattle - Tacoma Intl. Airport (SEA)?
Many travelers like to fly with Alaska Airlines (AS) from Honolulu Intl. Airport to Seattle - Tacoma Intl. Airport (SEA). It offers 91 flights a month, so you can pick a flight time that's perfect for you. Another carrier operating on this route is Delta Air Lines (DL). You'll have 34 flights every month to select from.
Are Daniel K. Inouye Intl. Airport (HNL) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Fares from Honolulu Intl. Airport to Sea-Tac Airport are available up to 12 months before departure on Expedia. And although you may pick up a fantastic last-minute deal, it's never a sure thing. Also, booking your flights ahead of time means you'll have more options — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.

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