Kailua-Kona

$235+ Cheap flights from Dulles Intl (IAD) to Kailua-Kona (KOA)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KOA
oct. 17 — oct. 241
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kona Intl are usually found in September or October, booked 52 days in advance, depart on a Tuesday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Kailua-Kona (KOA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$453
(United Airlines)

One-way from

$235
(Delta)

Popular in

December

Cheapest in

September

Average price

$561
From Washington, D.C. Dulles Intl to Kona Intl
One-way flight from Washington, D.C. Dulles Intl to Kona Intl
Highest demand for flights based on searches. 20% potential increase in price ($192 potential increase over avg. RT price).
Cheapest flight prices on average. 11% potential price decrease ($79 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Dulles Intl to Kailua-Kona

Cheapest flights from Dulles Intl to Kailua-Kona
Explore the most affordable flight options available from Dulles Intl to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

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.
mar. 10/143:00 pmIAD - KOA
1 stop11h 45mUnited Airlines
mar. 10/211:05 pmKOA - IAD
1 stop12h 04mUnited Airlines
Deal found 9/14$453
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 10/295:40 pmIAD - KOA
1 stop26h 03mAlaska Airlines
mié. 11/512:09 pmKOA - IAD
1 stop24h 04mAlaska Airlines
Deal found 9/17$456
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.
mié. 10/298:25 amIAD - KOA
1 stop12h 53mUnited Airlines
mié. 11/52:20 pmKOA - IAD
1 stop11h 28mUnited Airlines
Deal found 9/14$457
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.
jue. 11/68:25 amIAD - KOA
1 stop12h 53mUnited Airlines
vie. 11/148:55 pmKOA - IAD
1 stop13h 46mUnited Airlines
Deal found 9/15$463
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/75:37 pmIAD - KOA
2 stops29h 15mAlaska Airlines
jue. 12/113:30 pmKOA - IAD
2 stops21h 00mAlaska Airlines
Deal found 9/15$467
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.
jue. 12/46:00 amIAD - KOA
1 stop14h 12mAmerican Airlines
sáb. 12/136:30 pmKOA - IAD
2 stops13h 50mAmerican Airlines
Deal found 9/15$469
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.
sáb. 12/66:00 amIAD - KOA
1 stop14h 12mAmerican Airlines
sáb. 12/134:40 pmKOA - IAD
2 stops15h 40mAmerican Airlines
Deal found 9/15$475
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:35 amIAD - KOA
1 stop15h 55mDelta
dom. 11/168:30 pmKOA - IAD
2 stops14h 53mDelta
Deal found 9/15$479
This Delta deal was found by Cheapflights users on 9/17. 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.
sáb. 10/256:05 amIAD - KOA
2 stops17h 25mDelta
dom. 11/29:30 pmKOA - IAD
2 stops16h 09mDelta
Deal found 9/17$480

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Kailua-Kona 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kailua-Kona that are best for you.

Fly from

Dulles Intl

Fly to

Kailua-Kona

Route

Depart

Return

Price

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

mié. 10/29

8:25 am-3:18 pm

1 stop12h 53m

Kona Intl

mié. 11/5

2:20 pm-6:48 am

1 stop11h 28m

$457

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

mié. 12/10

8:17 am-4:18 pm

1 stop13h 01m

Kona Intl

mié. 12/17

8:55 pm-1:26 pm

1 stop11h 31m

$457

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

dom. 12/7

5:37 pm-4:00 pm

1 stop27h 23m

Kona Intl

jue. 12/11

5:00 pm-5:30 pm

2 stops19h 30m

$462

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

mié. 10/22

7:35 am-5:30 pm

1 stop15h 55m

Kona Intl

lun. 10/27

8:30 pm-4:57 pm

2 stops14h 27m

$462

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

mar. 10/14

3:00 pm-8:45 pm

1 stop11h 45m

Kona Intl

mar. 10/21

7:40 pm-4:05 pm

2 stops14h 25m

$462

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

mié. 10/29

7:43 am-6:43 pm

2 stops17h 00m

Kona Intl

mié. 11/5

4:25 pm-5:13 pm

2 stops19h 48m

$468

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

jue. 11/6

6:30 am-4:18 pm

2 stops14h 48m

Kona Intl

vie. 11/14

8:55 pm-3:41 pm

1 stop13h 46m

$468

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

jue. 12/4

6:00 am-3:12 pm

1 stop14h 12m

Kona Intl

sáb. 12/13

6:30 pm-1:20 pm

2 stops13h 50m

$469

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

sáb. 11/8

6:30 am-2:42 pm

1 stop13h 12m

Kona Intl

sáb. 11/15

2:40 pm-6:55 am

1 stop11h 15m

$469

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

sáb. 10/25

7:35 am-5:30 pm

1 stop15h 55m

Kona Intl

dom. 11/2

9:30 pm-6:39 pm

2 stops16h 09m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Dulles Intl to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Kailua-Kona

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Kailua-Kona. Price data was last updated on September 12, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona may vary depending on when you book. For the best chance of a lower fare, look to book 52 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 Washington, D.C. Dulles Intl Airport to Kailua-Kona?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona (average of $409). Flying from Washington, D.C. Dulles Intl Airport to Kailua-Kona in June is currently the most expensive (average of $624). 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 IAD to KOA?

Find hourly flight availability from Dulles Intl to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Kailua-Kona in the afternoon. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Kailua-Kona

Get insights into the airlines that provide service to Kailua-Kona. 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-Kona. Reviews last updated septiembre 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Kailua-Kona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
8.0
Very good

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Entertainment

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Kailua-Kona. 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 into for flights to Kailua-Kona from Washington, D.C. Dulles Intl?

    Located just 7.7 mi from the city center, Kona Intl is the airport most travelers will use when flying to Kailua-Kona from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Kona Intl (KOA) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 3 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Kailua-Kona in 12h 53m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and Kailua-Kona is about 4770 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Kailua-Kona round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Kailua-Kona round-trip from $211. Other airlines that can offer you cheap pricing are Alaska Airlines, from $417, and United Airlines, from $486. Delta is 72% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Dulles Intl to Kailua-Kona that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Kailua-Kona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Kailua-Kona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Kailua-Kona.

  • Can I find deals for business class flights from Dulles Intl to Kailua-Kona?

    Yes. Cheapflights offers flight deals from Dulles Intl to Kailua-Kona 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 Washington, D.C. Dulles Intl Airport to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona (average of $409). Flying from Washington, D.C. Dulles Intl Airport to Kailua-Kona in June is currently the most expensive (average of $624). 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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Top 3 airlines flying from Dulles Intl to Kailua-Kona

Discover the top 3 airlines that operate flights from Dulles Intl to Kailua-Kona. 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$211Average$463FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$417Average$608FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$486Average$753FlexibilityNo cancel feeOn-time69%

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