$220 Cheap Flights from Washington (IAD) to Kailua-Kona (KOA)

View $220 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)

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Cheap Flights from Washington to Kailua-Kona (IAD-KOA)

Prices were available within the past 7 days and start at $220 for one-way flights and $423 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jan 5 - Mon, Jan 12
IAD
Washington
KOA
Kona Coast
$423 Roundtrip, found 5 days ago
$423
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Jan 5 from Washington to Kona Coast, returning Mon, Jan 12, priced at $423 found 5 days ago
Delta
Thu, Jan 8 - Mon, Jan 12
IAD
Washington
KOA
Kona Coast
$425 Roundtrip, found 4 days ago
$425
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 8 from Washington to Kona Coast, returning Mon, Jan 12, priced at $425 found 4 days ago
Alaska Airlines
Tue, Dec 9 - Thu, Dec 11
IAD
Washington
KOA
Kona Coast
$429 Roundtrip, found 6 days ago
$429
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Washington to Kona Coast, returning Thu, Dec 11, priced at $429 found 6 days ago
Alaska Airlines
Tue, Feb 24 - Wed, Feb 25
IAD
Washington
KOA
Kona Coast
$431 Roundtrip, found 4 days ago
$431
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Feb 24 from Washington to Kona Coast, returning Wed, Feb 25, priced at $431 found 4 days ago
Alaska Airlines
Sun, Jan 25 - Wed, Jan 28
IAD
Washington
KOA
Kona Coast
$435 Roundtrip, found 6 days ago
$435
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Jan 25 from Washington to Kona Coast, returning Wed, Jan 28, priced at $435 found 6 days ago
American Airlines
Tue, Feb 24 - Wed, Feb 25
IAD
Washington
KOA
Kona Coast
$437 Roundtrip, found 4 days ago
$437
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Feb 24 from Washington to Kona Coast, returning Wed, Feb 25, priced at $437 found 4 days ago
Alaska Airlines
Tue, Dec 9 - Wed, Dec 24
IAD
Washington
KOA
Kona Coast
$439 Roundtrip, found 18 hours ago
$439
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Washington to Kona Coast, returning Wed, Dec 24, priced at $439 found 18 hours ago
United
Mon, Dec 8 - Mon, Dec 15
IAD
Washington
KOA
Kona Coast
$439 Roundtrip, found 2 days ago
$439
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 8 from Washington to Kona Coast, returning Mon, Dec 15, priced at $439 found 2 days ago
United
Thu, Jan 8 - Mon, Jan 12
IAD
Washington
KOA
Kona Coast
$443 Roundtrip, found 4 days ago
$443
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jan 8 from Washington to Kona Coast, returning Mon, Jan 12, priced at $443 found 4 days ago
Hawaiian Airlines
Tue, Feb 24 - Tue, Mar 3
IAD
Washington
KOA
Kona Coast
$443 Roundtrip, found 21 hours ago
$443
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Tue, Feb 24 from Washington to Kona Coast, returning Tue, Mar 3, priced at $443 found 21 hours ago

Find the cheapest month to fly from Washington (IAD) to Kailua-Kona (KOA)

November is typically the cheapest month to fly

From $417 - $1,337 per traveler.

Alternative airports near Kailua-Kona

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Waimea-Kohala MUE. Flights from $1,050
MUE
Waimea-Kohala
Flights from $1,050

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA) cost?
Lock in a cheap one-way flight from $220 or cheap return flight from $423 from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)?
January is the least expensive month to fly from IAD to KOA. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)?
To find the cheapest airline that'll fly you from IAD to KOA, use Expedia's filter tool. Customize 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 Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)?
There aren't any daily direct flights departing from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from IAD to KOA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA) last-minute?
Booking your plane ticket from IAD to KOA just before your getaway is typically more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an IAD to KOA flight and hotel package?
Opting for an IAD to KOA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Kona Intl. Airport (KOA)?
If you booked your IAD to KOA flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$423
Distance
4772 mi

Book with confidence

Washington to Kailua-Kona Flights

The cheapest times to fly from Washington 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 Washington to Kailua-Kona are during the month of January. You can find some of the cheapest flights from Washington to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $220 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 Washington 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 Washington 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.

 

Washington to Kailua-Kona Flights

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*Available to One Key members.