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Kailua

$239+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HNL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kailua are usually found in January or September, 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 June 12, 2025.

Round-trip from

$409
(American Airlines)

One-way from

$239
(Southwest)

Popular in

December

Cheapest in

January

Average price

$612
From Seattle/Tacoma Intl to Kailua
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One-way flight from Seattle/Tacoma Intl to Kailua
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 8/242:32 pmSEA - HNL
1 stop10h 02mAmerican Airlines
Fri 8/299:11 pmHNL - SEA
1 stop10h 14mAmerican Airlines
Deal found 6/10$409
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/216:35 amSEA - HNL
1 stop10h 26mUnited Airlines
Tue 10/289:50 pmHNL - SEA
2 stops12h 38mUnited Airlines
Deal found 6/10$414
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 9/37:10 amSEA - HNL
1 stop16h 18mDelta
Wed 9/107:00 amHNL - SEA
1 stop12h 25mDelta
Deal found 6/10$428
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 9/38:00 amSEA - HNL
2 stops16h 00mSouthwest
Wed 9/108:15 amHNL - SEA
1 stop8h 05mSouthwest
Deal found 6/11$442
This flugladen.de deal was found by Cheapflights users on 6/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:04 amSEA - HNL
1 stop7h 59mHawaiian Airlines
Mon 9/225:40 amHNL - SEA
1 stop8h 12mHawaiian Airlines
Deal found 6/11$445
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/143:55 pmSEA - HNL
Nonstop6h 00mAlaska Airlines
Tue 8/195:40 amHNL - SEA
1 stop8h 14mAlaska Airlines
Deal found 6/10$463

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 June 12, 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

Sun 8/24

2:32 pm-9:34 pm

1 stop10h 02m

Honolulu

Fri 8/29

9:11 pm-10:25 am

1 stop10h 14m

$409

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Tue 8/12

2:50 pm-9:44 pm

1 stop9h 54m

Honolulu

Tue 9/9

7:00 am-10:15 pm

2 stops12h 15m

$418

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 9/3

7:10 am-8:28 pm

1 stop16h 18m

Honolulu

Wed 9/10

7:00 am-10:25 pm

1 stop12h 25m

$428

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Wed 9/3

8:00 am-9:00 pm

2 stops16h 00m

Honolulu

Wed 9/10

8:15 am-7:20 pm

1 stop8h 05m

$442

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Mon 8/25

3:55 pm-7:07 pm

Nonstop6h 12m

Honolulu

Mon 8/25

11:09 pm-7:54 am

Nonstop5h 45m

$452

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Mon 8/4

12:05 pm-6:04 pm

1 stop8h 59m

Honolulu

Tue 8/12

6:40 pm-6:19 am

1 stop8h 39m

$496

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sat 8/16

6:55 am-4:25 pm

1 stop12h 30m

$239

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 8/24

7:10 am-8:28 pm

1 stop16h 18m

$243

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sun 8/10

5:10 am-11:44 am

1 stop9h 34m

$247

SeattleHonolulu

SEA - HNL

SEAHNL

Seattle/Tacoma Intl

Sat 8/16

8:55 am-11:34 pm

2 stops17h 39m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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 June 9, 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 June 12, 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 June 8, 2025.

Travelers seeking maximum savings on their Seattle to Kailua flight should consider departing on Tuesday 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 June 12, 2025.

The most flights from SEA to K4I are scheduled on a Friday (30 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Kailua by month

Plan your trip to Kailua by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kailua ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit Kailua when rainfall is around 0.3 in.

Temperature in Kailua by month

Plan your trip to Kailua by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kailua, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Kailua by reading reviews from past customers. 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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Sam,Aug 2024

SAN - HNL

It was such a great experience. The crew were very helpful and kind throughout the journey. I’ve been telling my husband that it was the best plane experience I’ve ever been in.

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 27 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 94 times in the past calendar month.

  • 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 Southwest ($239), Delta ($243), and United Airlines ($247).

  • 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: China Eastern (100%), Delta (92%), Virgin Atlantic (92%).

  • What are the cheapest flights from Seattle to Kailua?

    Looking at all options, your cheapest flight can be booked for $219. While the most popular route (Seattle/Tacoma Intl - Honolulu) can be booked for $376 on average our data indicates $955 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

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Alternative routes for Seattle to Kailua

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$387FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$403FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$499FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$277Average$515FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$278Average$501FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$310Average$521FlexibilityNo cancel feeOn-time75%

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