How popular is this Kaua'i to Seattle flight route?

The Kaua'i to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Kaua'i to Seattle one-way?

The cheapest airlines for a one-way flight from Kaua'i to Seattle are United Airlines ($158), Delta ($164), and Southwest ($198).

Weekly flight availability from Kaua'i to Seattle

The most flights from zzFUS to SEA are scheduled on a Friday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Kaua'i to Seattle?

On average you can expect to pay $837 for a flight from Kaua'i to Seattle. The cheapest flight overall is $233 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $450.

What are the most reliable airlines from Kaua'i to Seattle?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kaua'i to Seattle on time: KLM (94%), Delta (90%), Virgin Atlantic (90%).

What airport do you fly into for flights to Seattle from Kaua'i?

For a flight from Kaua'i to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

Can I find deals for flights from Kaua'i to Seattle that include hotel bookings?

Yes. In addition to deals on Kaua'i to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Kaua'i to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Seattle.

Can I find deals for business class flights from Kaua'i to Seattle?

Yes. Cheapflights offers flight deals from Kaua'i 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.

Find Cheap Flights from Kaua'i to Seattle

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Find flight deals from Kaua'i to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	April
Average price	$617
Good round-trip deal	$446 or less
Good one-way deal	$294 or less

Provider with most accurate pricing for Lihue-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Lihue-Seattle/Tacoma Intl flights.

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Highest demand for flights based on searches. 14% potential increase in price ($95 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Price to beat on a round-trip flight from Kaua'i to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Kaua'i to Seattle/Tacoma Intl.

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Cheapflights Insights

Everything you need to know about your flight from Kaua'i to Seattle

Prices

Airlines

What is the cheapest month to book a flight from Kaua'i to Seattle?

Currently, April is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $319). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $808). 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 FUS to SEA?

When flying from Kaua'i to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines and Delta from Kaua'i to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

13,164 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Alaska Airlines

7.9

Good

13,164 reviews

Alaska Airlines

7.9

Good

13,164 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Delta

7.8

Good

8,716 reviews

Alaska Airlines

7.9

Good

13,164 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Related info for your journey

What airport do you fly into for flights to Seattle from Kaua'i?
For a flight from Kaua'i to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.
How popular is this Kaua'i to Seattle flight route?
The Kaua'i to Seattle/Tacoma Intl flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Kaua'i to Seattle one-way?
The cheapest airlines for a one-way flight from Kaua'i to Seattle are United Airlines ($158), Delta ($164), and Southwest ($198).
What are the most reliable airlines from Kaua'i to Seattle?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kaua'i to Seattle on time: KLM (94%), Delta (90%), Virgin Atlantic (90%).
What are the cheapest flights from Kaua'i to Seattle?
On average you can expect to pay $837 for a flight from Kaua'i to Seattle. The cheapest flight overall is $233 while the most popular route, (Lihue - Seattle/Tacoma Intl) is currently priced at $450.
Can I find deals for flights from Kaua'i to Seattle that include hotel bookings?
Yes. In addition to deals on Kaua'i to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kaua'i to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Seattle.
Can I find deals for business class flights from Kaua'i to Seattle?
Yes. Cheapflights offers flight deals from Kaua'i 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 Kaua'i to Seattle?
Currently, April is the cheapest month in which you can book a flight from Kaua'i to Seattle (average of $319). Flying from Kaua'i to Seattle in June is currently the most expensive (average of $808). 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.

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Top 2 airlines flying from Kaua'i to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$248	Average$558	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$327	Average$603	FlexibilityNo cancel fee	On-time75%

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Cheap flights from Kaua'i to Seattle (SEA)

Find cheap flights from Kaua'i to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kaua'i to Seattle

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Insights

What is the cheapest month to book a flight from Kaua'i to Seattle?

What is the cheapest time of day to fly from FUS to SEA?

When flying from Kaua'i to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Kaua'i to Seattle

The most flights from zzFUS to SEA are scheduled on a Friday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines and Delta from Kaua'i to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Seattle from Kaua'i?

How popular is this Kaua'i to Seattle flight route?

What are the cheapest airlines to fly from Kaua'i to Seattle one-way?

What are the most reliable airlines from Kaua'i to Seattle?

What are the cheapest flights from Kaua'i to Seattle?

Can I find deals for flights from Kaua'i to Seattle that include hotel bookings?

How can I find direct flights from Kaua'i to Seattle?

Can I find deals for business class flights from Kaua'i to Seattle?

What is the cheapest month to book a flight from Kaua'i to Seattle?

Traveling to a place near Seattle?

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Complete your trip

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Search flights from Kaua'i to Seattle by cabin class

Find flights from Kaua'i to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kaua'i and Seattle flights

Browse other Kaua'i and Seattle flight options. Last updated on November 14, 2026.

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Other flights to Seattle

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Top 2 airlines flying from Kaua'i to Seattle

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