HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua

$212+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HNL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 October, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Seattle to Kailua

Keep the following information in mind while searching for Seattle to Kailua flight deals. Data was last updated September 16, 2025.

Round-trip from

$361
(United Airlines)

One-way from

$212
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$475
From Seattle/Tacoma Intl to Kailua
Search Deals
One-way flight from Seattle/Tacoma Intl to Kailua
Search Deals
High demand for flights, 1% potential price rise
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 September 2025
Search Deals

Find 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 11/912:41 pmSEA - HNL
1 stop10h 22mUnited Airlines
Fri 11/148:00 amHNL - SEA
1 stop10h 51mUnited Airlines
Deal found 9/15$361
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/276:30 amSEA - HNL
1 stop11h 14mAmerican Airlines
Thu 10/309:40 pmHNL - SEA
1 stop9h 44mAmerican Airlines
Deal found 9/15$362
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:40 pmSEA - HNL
Nonstop6h 30mAlaska Airlines
Thu 11/63:55 pmHNL - SEA
1 stop13h 16mAlaska Airlines
Deal found 9/14$363
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 10/146:35 amSEA - HNL
2 stops15h 33mUnited Airlines
Tue 10/218:00 amHNL - SEA
1 stop10h 53mUnited Airlines
Deal found 9/16$366
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/1812:41 pmSEA - HNL
1 stop10h 22mUnited Airlines
Tue 11/259:50 amHNL - SEA
1 stop11h 25mUnited Airlines
Deal found 9/14$368
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/299:25 amSEA - HNL
1 stop9h 55mUnited Airlines
Mon 11/38:00 amHNL - SEA
1 stop10h 51mUnited Airlines
Deal found 9/16$369
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:30 pmSEA - HNL
Nonstop6h 06mAlaska Airlines
Thu 11/66:12 pmHNL - SEA
1 stop10h 59mAlaska Airlines
Deal found 9/14$370
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:10 amSEA - HNL
1 stop9h 05mSouthwest
Mon 11/179:25 pmHNL - SEA
1 stop12h 30mSouthwest
Deal found 9/16$377
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/298:34 amSEA - HNL
Nonstop6h 10mAlaska Airlines
Mon 11/37:40 pmHNL - SEA
1 stop7h 37mAlaska Airlines
Deal found 9/16$379

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 September 16, 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 11/3

1:20 pm-8:39 pm

1 stop9h 19m

Honolulu

Tue 11/11

10:50 pm-1:38 pm

2 stops12h 48m

$366

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 11/12

5:30 am-5:05 pm

2 stops13h 35m

Honolulu

Wed 11/19

8:00 am-6:25 pm

1 stop8h 25m

$366

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 10/21

10:45 am-7:19 pm

1 stop11h 34m

Honolulu

Mon 10/27

9:53 pm-6:34 am

Nonstop5h 41m

$379

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 12/2

11:20 am-3:49 pm

Nonstop6h 29m

Honolulu

Thu 12/11

5:40 am-4:55 pm

1 stop9h 15m

$379

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 10/22

8:45 pm-11:59 pm

Nonstop6h 14m

Honolulu

Mon 10/27

4:45 pm-6:17 am

1 stop10h 32m

$379

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Thu 12/4

1:05 pm-10:30 pm

1 stop11h 25m

Honolulu

Mon 12/8

8:00 am-9:00 pm

1 stop11h 00m

$396

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sat 11/1

12:41 pm-8:03 pm

1 stop10h 22m

Honolulu

Fri 11/14

8:00 am-11:15 pm

2 stops13h 15m

$404

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Fri 10/31

7:00 am-4:05 pm

2 stops12h 05m

Honolulu

Tue 11/4

8:00 am-8:51 pm

2 stops10h 51m

$410

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 11/4

3:55 pm-8:04 pm

Nonstop6h 09m

Honolulu

Tue 11/11

7:48 pm-7:15 am

1 stop9h 27m

$419

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sat 11/1

4:55 pm-8:03 pm

Nonstop6h 08m

Honolulu

Thu 11/6

6:10 am-4:32 pm

1 stop8h 22m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 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 September 12, 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 71 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, November is the cheapest month in which you can book a flight from Seattle to Kailua (average of $469). Flying from Seattle to Kailua in June is currently the most expensive (average of $687). 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 September 16, 2025.

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

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 September 14, 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 evenings 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 September 16, 2025.

The most flights from SEA to K4I are scheduled on a Tuesday (29 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost to fly round-trip from Seattle to Kailua?

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 September 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 24 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 109 times in the past calendar month.

  • How long is the flight from Seattle to Kailua?

    For as low as $366, United Airlines can have you in Kailua from Seattle in 9h 19m. The distance from Seattle to Kailua is about 2675 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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: Delta (82%), Virgin Atlantic (82%), Qantas Airways (80%).

  • What are the cheapest flights from Seattle to Kailua?

    Looking at all options, your cheapest flight can be booked for $233. While the most popular route (Seattle/Tacoma Intl - Honolulu) can be booked for $284 on average, our data indicates $998 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, November is the cheapest month in which you can book a flight from Seattle to Kailua (average of $469). Flying from Seattle to Kailua in June is currently the most expensive (average of $687). 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 Kailua-Kona flights
Seattle to Kahului flights
Portland to Honolulu flights
Seattle to Lihue flights
Portland to Kahului flights
Portland to Kailua-Kona flights
Portland to Lihue flights
Seattle to Hilo flights
Spokane to Honolulu flights
Spokane to Kahului flights
Spokane to Kailua-Kona flights
Spokane to Lihue flights
Portland to Hilo flights
Pasco to Kailua-Kona flights
Pasco to Lihue flights
Pasco to Honolulu flights
Walla Walla to Lihue flights
Seattle to Kapalua flights
Pasco to Kahului flights
Seattle to Waimea (Big Island) flights
Bellingham to Kahului flights
Bellingham to Lihue flights
Bellingham to Honolulu flights
Portland to Kapalua flights
Pullman to Honolulu flights
Walla Walla to Kahului flights
Pullman to Kahului flights
Seattle to Hana flights
Bellingham to Kailua-Kona flights
Yakima to Honolulu flights
Seattle to Hoolehua flights
Spokane to Hilo flights
Wenatchee to Kahului flights
Portland to Hoolehua flights
Spokane to Kapalua flights
Seattle to Lanai City flights
Walla Walla to Honolulu flights
Portland to Waimea (Big Island) flights
Portland to Hana flights
Yakima to Lihue flights
Pullman to Kailua-Kona flights
Pullman to Kapalua flights
Pasco to Kapalua flights
Portland to Lanai City flights
Spokane to Hana flights
Wenatchee to Lihue 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$118Average$392FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$431FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$506FlexibilityNo cancel feeOn-time63%
DeltaCheapest$286Average$525FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$313Average$539FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$337Average$538FlexibilityNo cancel feeOn-time75%

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.