£155 Find Cheap Flights from Seattle to Kailua-Kona – Compare and Save

Among airlines operating Seattle to Kailua-Kona flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Seattle and Kailua-Kona. The airlines offering direct flights on this route include:

• Alaska Airlines
• Delta

Flights from Seattle to Kailua-Kona usually depart from Seattle/Tacoma Intl (SEA) and arrive at Kona Intl (KOA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy class
• Delta: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Seattle to Kailua-Kona.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £301 return via San Francisco (SFO), compared with £371 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £26–£67 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

One-stop flights from Seattle to Kailua-Kona most commonly connect through:

• San Francisco (SFO) – 39% of one-stop connections
• Sacramento Intl (SMF) – 29% of one-stop connections
• Honolulu (HNL) – 22% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) – 4% of one-stop connections

San Francisco (SFO) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 30% on the Seattle to Kailua-Kona route. Thursday is the cheapest departure day at £331 return on average, while Sunday is the most expensive at £469, a difference of £138. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Seattle to Kailua-Kona flights, with 50% leaving in that window. Morning departures account for 25%, Evening flights for 25%, and Night flights for 0%.

These are the earliest and latest flight times available from Seattle to Kailua-Kona:

• Earliest: departs at 08:00 and lands at 14:20
• Latest: departs at 18:59 and lands at 01:19.

The flight takes about 6h 20m.

Last-minute fares on this route (booked within 2 weeks of departure) run 48% above the route average of £367. Book 15 weeks before departure for the lowest fares.

A direct flight from Seattle to Kailua-Kona takes 6h 20m, covering 2,687 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £311 to £1,766. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to Kailua-Kona are currently lower than usual. Average one-way flight prices are about £170, which is 32% below the typical average for this route.

Flying via Kahului (OGG) gives the shortest average 1-stop total travel time of 7h 13m, compared to 8h 01m via Portland (PDX) and 9h 01m via San Francisco (SFO).

Kailua-Kona is 3 hours behind Seattle (Hawaii-Aleutian Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Kona Intl Airport (KOA) hosts 5 major car hire companies, with daily rates starting from around £21 for economy cars. Top options include:
• Dollar
• Thrifty
• Budget
• Hertz
• Sixt

Return flights from Seattle to Kailua-Kona range from £262 to £493, with an average of £367 over the past 12 months. Anything below £262 counts as a good deal.

Alaska Airlines is the only airline on the Seattle to Kailua-Kona route offering in-flight Wi-Fi. Pricing depends on fare class.