HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua-Kona

$215+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KOA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Kailua-Kona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 March 10, 2026.

This Delta deal was found by Cheapflights users on 3/6. 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 5/66:00 am
IAD
-
KOA
2 stops17h 43m
Delta
Wed 5/209:55 pm
KOA
-
IAD
2 stops20h 20m
Delta
Deal found 3/6$458
This Delta deal was found by Cheapflights users on 3/5. 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 4/157:00 am
IAD
-
KOA
1 stop18h 03m
Delta
Tue 4/218:50 pm
KOA
-
IAD
1 stop21h 05m
Delta
Deal found 3/5$459
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 5/27:10 am
IAD
-
KOA
1 stop18h 42m
Alaska Airlines
Thu 5/71:16 pm
KOA
-
IAD
1 stop22h 25m
Alaska Airlines
Deal found 3/9$460
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Wed 4/2910:10 am
IAD
-
KOA
2 stops15h 32m
United Airlines
Wed 5/61:15 pm
KOA
-
IAD
2 stops16h 13m
United Airlines
Deal found 3/9$461
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 5/26:47 pm
IAD
-
KOA
1 stop26h 09m
Multiple Airlines
Thu 5/71:44 pm
KOA
-
IAD
2 stops21h 57m
Multiple Airlines
Deal found 3/6$465
This Delta deal was found by Cheapflights users on 3/5. 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.
Sat 5/27:00 am
IAD
-
KOA
1 stop18h 03m
Delta
Mon 5/119:55 pm
KOA
-
IAD
2 stops17h 29m
Delta
Deal found 3/5$466
This Delta deal was found by Cheapflights users on 3/5. 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.
Tue 5/57:00 am
IAD
-
KOA
1 stop18h 03m
Delta
Mon 5/118:55 pm
KOA
-
IAD
1 stop21h 20m
Delta
Deal found 3/5$469
This Delta deal was found by Cheapflights users on 3/7. 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.
Thu 4/307:00 am
IAD
-
KOA
1 stop18h 03m
Delta
Mon 5/119:55 pm
KOA
-
IAD
2 stops17h 29m
Delta
Deal found 3/7$473
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/148:25 am
IAD
-
KOA
1 stop13h 05m
United Airlines
Tue 4/2112:55 pm
KOA
-
IAD
1 stop11h 42m
United Airlines
Deal found 3/5$476
This Delta deal was found by Cheapflights users on 3/9. 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 4/296:00 am
IAD
-
KOA
2 stops19h 03m
Delta
Wed 5/68:50 pm
KOA
-
IAD
2 stops20h 06m
Delta
Deal found 3/9$478
This Delta deal was found by Cheapflights users on 3/5. 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.
Sun 5/37:00 am
IAD
-
KOA
1 stop18h 03m
Delta
Tue 5/128:55 pm
KOA
-
IAD
1 stop21h 20m
Delta
Deal found 3/5$480

Find 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$458
(Delta)

One-way from

$215
(Delta)

Popular in

December

Cheapest in

February

Average price

$829
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Kona Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Kona Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kona Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-7:03 pm

2 stops19h 03m

Kona Intl

Wed 5/6

8:50 pm-10:56 pm

2 stops20h 06m

$478

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Thu 4/23

7:10 am-12:16 pm

2 stops35h 06m

Kona Intl

Mon 5/4

7:46 pm-6:20 pm

2 stops16h 34m

$497

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Sat 4/11

9:55 am-7:42 pm

2 stops15h 47m

Kona Intl

Fri 4/17

1:05 pm-11:33 am

2 stops16h 28m

$535

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Tue 4/7

8:20 am-7:42 pm

2 stops17h 22m

Kona Intl

Wed 4/15

7:30 pm-4:03 pm

2 stops14h 33m

$601

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Sat 4/18

6:22 pm-2:59 pm

1 stop26h 37m

Kona Intl

Sat 4/25

4:00 pm-5:41 pm

2 stops19h 41m

$622

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Sat 5/9

7:10 am-7:52 pm

1 stop18h 42m

Kona Intl

Wed 5/13

9:25 pm-11:59 pm

1 stop20h 34m

$633

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Sat 3/21

7:00 am-6:38 pm

1 stop17h 38m

Kona Intl

Wed 3/25

8:55 pm-11:40 pm

2 stops20h 45m

$643
Quickest round-trip

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Sun 4/5

8:25 am-3:30 pm

1 stop13h 05m

Kona Intl

Mon 4/13

7:30 pm-1:14 pm

1 stop11h 44m

$688

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Thu 3/26

7:00 am-6:38 pm

1 stop17h 38m

Kona Intl

Wed 4/1

8:55 pm-10:59 pm

2 stops20h 04m

$760

Washington, D.C.Kailua-Kona

IAD - KOA

IADKOA

Washington, D.C. Dulles Intl

Mon 3/30

7:00 am-6:38 pm

1 stop17h 38m

Kona Intl

Sun 4/5

8:55 pm-11:49 pm

1 stop20h 54m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Kailua-Kona

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Kailua-Kona in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Kailua-Kona flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kailua-Kona flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 6, 2026.

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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona (average of $211). Flying from Washington, D.C. Dulles Intl Airport to Kailua-Kona in September is currently the most expensive (average of $512). 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.

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 March 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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.
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
8.0
Very good
12,014 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Delta
7.9
Good
8,276 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
United Airlines
7.4
Good
9,409 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
American Airlines
7.1
Good
11,414 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 4 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 15h 47m. Fly via Delta or United Airlines 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 $340, and United Airlines, from $449. Delta is 68% 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kailua-Kona (average of $211). Flying from Washington, D.C. Dulles Intl Airport to Kailua-Kona in September is currently the most expensive (average of $512). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Dulles Intl to Kailua-Kona

Discover the top 4 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$211Average$488FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$340Average$616FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$449Average$629FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$454Average$599FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.