HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua

$178+ Cheap flights from Seattle (SEA) to Kailua, HI

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HNL
Jan 23 — Jan 301
Fri 1/23
Fri 1/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Kailua with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kailua are usually found in January or February, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Kailua

Cheapest flights from Seattle to Kailua
Explore the most affordable flight options available from Seattle to Kailua. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 24, 2025.

This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:35 pmSEA - HNL
2 stops12h 09mUnited Airlines
Wed 1/148:00 amHNL - SEA
1 stop11h 12mUnited Airlines
Deal found 12/22$382
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 pmSEA - HNL
Nonstop6h 32mDelta
Wed 1/2810:30 pmHNL - SEA
Nonstop5h 53mDelta
Deal found 12/22$448
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSEA - HNL
1 stop15h 14mAmerican Airlines
Wed 1/1411:00 pmHNL - SEA
1 stop9h 55mAmerican Airlines
Deal found 12/22$453
This Hawaiian Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:50 pmSEA - HNL
Nonstop6h 17mAlaska Airlines
Wed 1/148:00 amHNL - SEA
Nonstop5h 43mAlaska Airlines
Deal found 12/22$468
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSEA - HNL
1 stop15h 14mAmerican Airlines
Mon 1/199:51 pmHNL - SEA
1 stop18h 14mAmerican Airlines
Deal found 12/22$539
This Alaska Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:50 pmSEA - HNL
Nonstop6h 17mMultiple Airlines
Wed 1/147:40 amHNL - SEA
1 stop11h 12mMultiple Airlines
Deal found 12/23$542
This Alaska Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:50 pmSEA - HNL
Nonstop6h 17mMultiple Airlines
Mon 1/1912:58 pmHNL - SEA
1 stop18h 30mMultiple Airlines
Deal found 12/23$552

Find flight deals from Seattle to Kailua

Keep the following information in mind while searching for Seattle to Kailua flight deals. Data was last updated December 24, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$287
(Kiwi.com)

One-way from

$178
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$679
Provider with most accurate pricing for Seattle/Tacoma Intl-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Honolulu flights.
Search Deals
From Seattle/Tacoma Intl to Kailua
Search Deals
One-way flight from Seattle/Tacoma Intl to Kailua
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Kailua that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 24, 2025.
Use the filters below to find and compare flights from Seattle to Kailua that are best for you.

Fly from

Seattle

Fly to

Kailua

Route

Depart

Return

Price

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Mon 2/2

7:00 am-11:11 am

Nonstop6h 11m

Honolulu

Thu 2/5

8:00 am-3:43 pm

Nonstop5h 43m

$298

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Thu 3/5

5:50 pm-10:06 pm

Nonstop6h 16m

Honolulu

Tue 3/10

11:30 am-8:47 am

1 stop18h 17m

$303

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sat 2/21

5:30 pm-9:54 pm

Nonstop6h 24m

Honolulu

Fri 2/27

7:45 am-3:35 pm

Nonstop5h 50m

$308

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 1/14

10:25 am-9:28 pm

1 stop13h 03m

Honolulu

Thu 1/29

9:35 pm-12:57 pm

1 stop13h 22m

$319

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 2/1

7:45 pm-11:18 am

1 stop17h 33m

Honolulu

Sun 2/8

8:00 am-3:43 pm

Nonstop5h 43m

$319

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 1/14

10:25 am-9:28 pm

1 stop13h 03m

Honolulu

Tue 1/27

9:35 pm-12:57 pm

1 stop13h 22m

$319

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 2/8

7:15 am-11:50 am

Nonstop6h 35m

Honolulu

Sat 3/7

10:55 pm-1:52 pm

1 stop12h 57m

$320

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 1/21

3:45 pm-7:56 pm

Nonstop6h 11m

Honolulu

Wed 1/28

12:36 pm-9:18 am

1 stop18h 42m

$323

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 2/1

9:25 am-9:08 pm

2 stops13h 43m

Honolulu

Sat 2/7

9:57 am-9:12 pm

1 stop9h 15m

$331

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Thu 2/5

7:15 am-11:50 am

Nonstop6h 35m

Honolulu

Mon 2/9

10:30 pm-6:23 am

Nonstop5h 53m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Seattle to Kailua

Have a flexible travel schedule? Discover the best time to fly to Kailua from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Kailua

How far ahead should I book a flight from Seattle to Kailua?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Kailua. Price data was last updated on December 19, 2025.

The price you pay for your flight from Seattle to Kailua may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Kailua?

Currently, January is the cheapest month in which you can book a flight from Seattle to Kailua (average of $245). Flying from Seattle to Kailua in July is currently the most expensive (average of $418). 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 SEA to K4I?

Find hourly flight availability from Seattle to Kailua. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 24, 2025.

It’s optimal to fly from Seattle to Kailua in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Seattle to Kailua?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Kailua. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their Seattle to Kailua flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Kailua

Explore weekly flight availability from Seattle to Kailua. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 24, 2025.

The most flights from SEA to K4I are scheduled on a Tuesday (27 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (24 on average).

Reviews of airlines servicing Kailua

Get insights into the airlines that provide service to Kailua. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kailua. Reviews last updated December 24, 2025.
Read reviews from past customers who have flown Southwest, Delta, and Hawaiian Airlines from Seattle to Kailua. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,255 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,013 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Hawaiian Airlines
7.8
Good
2,820 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,111 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kailua. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Kailua?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Kailua. 6 airlines have flights from Seattle/Tacoma Intl to Kailua on a regular basis. Booking flights from Seattle/Tacoma Intl to Kailua should not be difficult; the airport handles an average of 25 outbound flights to Kailua per day.

  • How popular is this Seattle to Kailua flight route?

    Flights from Seattle/Tacoma Intl to Kailua have been viewed 136 times in the past calendar month.

  • How long is the flight from Seattle to Kailua?

    For as low as $298, Alaska Airlines can have you in Kailua from Seattle in 6h 11m. The distance from Seattle to Kailua is about 2675 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Seattle to Kailua one-way?

    The cheapest airlines for a one-way flight from Seattle to Kailua are United Airlines ($158), Alaska Airlines ($188), and American Airlines ($188).

  • What are the most reliable airlines from Seattle to Kailua?

    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 Seattle to Kailua on time: Qantas Airways (81%), Delta (79%), Virgin Atlantic (79%).

  • What are the cheapest flights from Seattle to Kailua?

    Looking at all options, your cheapest flight can be booked for $179. While the most popular route (Seattle/Tacoma Intl - Honolulu) can be booked for $238 on average, our data indicates $1,186 when flying from Seattle to Kailua.

  • Can I find deals for flights from Seattle to Kailua that include hotel bookings?

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

  • How can I find direct flights from Seattle to Kailua?

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

  • Can I find deals for business class flights from Seattle to Kailua?

    Yes. Cheapflights offers flight deals from Seattle to Kailua 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 Seattle to Kailua?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Kailua (average of $245). Flying from Seattle to Kailua in July is currently the most expensive (average of $418). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Kailua

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Honolulu flights
Seattle to Kahului flights
Seattle to Lihue flights
Portland to Honolulu flights
Seattle to Kailua-Kona flights
Portland to Kahului flights
Portland to Kailua-Kona flights
Portland to Lihue flights
Spokane to Lihue flights
Seattle to Hilo flights
Spokane to Honolulu flights
Spokane to Kahului flights
Spokane to Kailua-Kona flights
Portland to Hilo flights
Pasco to Honolulu flights
Pasco to Kahului flights
Pasco to Kailua-Kona flights
Bellingham to Honolulu flights
Pasco to Lihue flights
Bellingham to Kahului flights
Bellingham to Lihue flights
Walla Walla to Lihue flights
Walla Walla to Kahului flights
Bellingham to Kailua-Kona flights
Pullman to Honolulu flights
Spokane to Hilo flights
Pullman to Kahului flights
Yakima to Honolulu flights
Seattle to Kapalua flights
Walla Walla to Honolulu flights
Seattle to Hoolehua flights
Seattle to Waimea (Big Island) flights
Pullman to Kailua-Kona flights
Yakima to Lihue flights
Wenatchee to Kahului flights
Wenatchee to Lihue flights
Portland to Kapalua flights
Seattle to Lanai City flights
Portland to Hoolehua flights
Pullman to Kapalua flights
Pasco to Kapalua flights
Portland to Waimea (Big Island) flights
Seattle to Hana flights
Portland to Lanai City flights
Portland to Hana flights
Spokane to Kapalua flights
Spokane to Hana flights
Bellingham to Kapalua flights

Top 6 airlines flying from Seattle to Kailua

Discover the top 6 airlines that operate flights from Seattle to Kailua. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$190Average$447FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$269Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$539FlexibilityNo cancel feeOn-time63%
DeltaCheapest$286Average$549FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$318Average$433FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$361Average$570FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.