Title: Cheap Flights from Washington to Kailua-Kona (IAD to KOA) - Expedia.co.uk ![](https://images.trvl-media.com/place/1879/5214d8a2-3f60-4468-83b1-50653c78d4fe.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1879/5214d8a2-3f60-4468-83b1-50653c78d4fe.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Kailua-Kona (KOA) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Washington Dulles International Airport (IAD) to Kona Intl. Airport (KOA) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:iad,to:koa,departure:02/10/2025TANYT&leg2=from:koa,to:iad,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Washington (IAD) to Kailua-Kona (KOA) ### September is typically the cheapest month to fly From £309 - £501 per traveller. ## Frequently asked questions ### How much is a flight from Dulles Intl. Airport to KOA? > The lowest price advertised for a round-trip flight from IAD to Ellison Onizuka Kona Intl. Airport at Keāhole is . But you better move fast. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Kona Intl. Airport (KOA)? > Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, go to our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to KOA that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Ellison Onizuka Kona Intl. Airport at Keāhole flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Washington Dulles Intl. Airport (IAD) to KOA? > The distance is around 7,700 kilometres, so pack your carry-on luggage with all the items you need to make your journey comfortable. Wondering what to take on board your Chantilly to Kailua-Kona flight? A sleep mask, earplugs and a travel pillow are a few essentials. ### Which airlines fly direct from Dulles Intl. Airport to Ellison Onizuka Kona Intl. Airport at Keāhole? > Direct flights aren't available, so you'll need to make at least one stop between Dulles Intl. Airport and Ellison Onizuka Kona Intl. Airport at Keāhole. Take advantage of the layover time to stretch your legs and freshen up. ### Are IAD to KOA flight tickets cheaper when they're purchased at the last minute? > Flight prices from IAD to KOA are available up to 12 months before departure on Expedia. And although you may nab a great last-minute deal, it's not something you should count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Kona Intl. | | Distance | 7636 km | ## Book with confidence ### Compare flights from Washington to Kailua-Kona easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Kailua-Kona. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Kona Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Kona Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Kona Intl. (KOA) The easiest way to view the best deals on flights from Washington to Kailua-Kona today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Kona Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Kailua-Kona - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Washington to Kailua-Kona flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Kona Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Flights - [Flights from Alexandria (AEX) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/aex/ito/alexandria-to-hilo) - [Flights from Agri (AJI) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/aji/ito/agri-to-hilo) - [Flights from Walla Walla (ALW) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/alw/ito/walla-walla-to-hilo) - [Flights from Amsterdam (AMS) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/ams/ito/amsterdam-to-hilo) - [Flights from Arly (ARL) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/arl/ito/arly-to-hilo) - [Flights from Arad (ARW) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/arw/ito/arad-to-hilo) - [Flights from Artesia (ATS) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/ats/ito/artesia-to-hilo) - [Flights from Angel Fire (AXX) to Hilo (ITO)](https://www.expedia.co.uk/lp/flights/axx/ito/angel-fire-to-hilo) - 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