$639 Cheap Flights from Watertown (ART) to Kailua-Kona (KOA)

View $639 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from Watertown, NY (ART-Watertown Intl.) to Kona Intl. Airport (KOA)

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Cheap Flights from Watertown to Kailua-Kona (ART-KOA)

Prices were available within the past 7 days and start at $639 for one-way flights and $1,154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 17 - Tue, Jan 6
ART
Watertown
KOA
Kona Coast
$1,154 Roundtrip, found 1 day ago
$1,154
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Tue, Jan 6, priced at $1,154 found 1 day ago
American Airlines
Wed, Dec 17 - Tue, Jan 6
ART
Watertown
KOA
Kona Coast
$1,158 Roundtrip, found 3 days ago
$1,158
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Tue, Jan 6, priced at $1,158 found 3 days ago
American Airlines
Wed, Dec 17 - Wed, Jan 7
ART
Watertown
KOA
Kona Coast
$1,163 Roundtrip, found 3 days ago
$1,163
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Wed, Jan 7, priced at $1,163 found 3 days ago
American Airlines
Wed, Dec 17 - Wed, Jan 7
ART
Watertown
KOA
Kona Coast
$1,169 Roundtrip, found 3 days ago
$1,169
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Wed, Jan 7, priced at $1,169 found 3 days ago
American Airlines
Wed, Dec 17 - Wed, Jan 7
ART
Watertown
KOA
Kona Coast
$1,173 Roundtrip, found 1 day ago
$1,173
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Wed, Jan 7, priced at $1,173 found 1 day ago
American Airlines
Wed, Dec 17 - Mon, Jan 5
ART
Watertown
KOA
Kona Coast
$1,186 Roundtrip, found 3 days ago
$1,186
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Mon, Jan 5, priced at $1,186 found 3 days ago
American Airlines
Wed, Dec 17 - Mon, Jan 5
ART
Watertown
KOA
Kona Coast
$1,203 Roundtrip, found 1 day ago
$1,203
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Mon, Jan 5, priced at $1,203 found 1 day ago
American Airlines
Wed, Nov 12 - Wed, Nov 19
ART
Watertown
KOA
Kona Coast
$1,230 Roundtrip, found 4 days ago
$1,230
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 12 from Watertown to Kona Coast, returning Wed, Nov 19, priced at $1,230 found 4 days ago
American Airlines
Fri, Feb 13 - Sat, Feb 21
ART
Watertown
KOA
Kona Coast
$1,232 Roundtrip, found 9 hours ago
$1,232
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 13 from Watertown to Kona Coast, returning Sat, Feb 21, priced at $1,232 found 9 hours ago
American Airlines
Fri, Feb 13 - Sat, Feb 21
ART
Watertown
KOA
Kona Coast
$1,284 Roundtrip, found 9 hours ago
$1,284
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 13 from Watertown to Kona Coast, returning Sat, Feb 21, priced at $1,284 found 9 hours ago
American Airlines
Fri, Feb 13 - Sat, Feb 21
ART
Watertown
KOA
Kona Coast
$1,339 Roundtrip, found 9 hours ago
$1,339
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Fri, Feb 13 from Watertown to Kona Coast, returning Sat, Feb 21, priced at $1,339 found 9 hours ago
American Airlines
Wed, Dec 17 - Sun, Jan 4
ART
Watertown
KOA
Kona Coast
$1,434 Roundtrip, found 3 days ago
$1,434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 17 from Watertown to Kona Coast, returning Sun, Jan 4, priced at $1,434 found 3 days ago

Frequently asked questions

How much does a flight from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA) cost?
Lock in a cheap one-way flight from $639 or cheap return flight from $1,154 from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA)?
The cheapest month to fly from ART to KOA is December, when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA)?
To find the cheapest airline that'll fly you from ART to KOA, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA)?
Direct flights from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ART to KOA?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA)?
Choose a flight from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA) last-minute?
Booking your plane ticket from ART to KOA shortly before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an ART to KOA flight and hotel package?
Opting for an ART to KOA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Watertown Intl. Airport (ART) to Kona Intl. Airport (KOA)?
If you booked your ART to KOA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Watertown Intl.
Destination airport
Kona Intl.
Roundtrip price
$1,153
Distance
4794 mi

Book with confidence

Watertown to Kailua-Kona Flights

The cheapest times to fly from Watertown to Kailua-Kona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Watertown to Kailua-Kona are during the month of December. You can find some of the cheapest flights from Watertown to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Watertown to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Watertown to Kailua-Kona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Watertown to Kailua-Kona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Watertown to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $639 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Watertown to Kailua-Kona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Watertown to Kailua-Kona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Watertown to Kailua-Kona Flights

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