Title: Cheap Flights from Washington to Hilo (IAD to ITO) - Expedia.co.uk ![Honokaa which includes general coastal views](https://images.trvl-media.com/place/11591/17f7442c-6bf3-4cc3-9edb-97cd6f90219c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/11591/17f7442c-6bf3-4cc3-9edb-97cd6f90219c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (IAD) to Hilo (ITO) - [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 Hilo Intl. Airport (ITO) - ![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:ito,departure:17/11/2025TANYT&leg2=from:ito,to:iad,departure:24/11/2025TANYT&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:ito,departure:17/11/2025TANYT&leg2=from:ito,to:iad,departure:24/11/2025TANYT&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:ito,departure:17/11/2025TANYT&leg2=from:ito,to:iad,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Washington to Hilo route information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Hilo Intl. | | Distance | 7552 km | ## Compare flights from Washington to Hilo easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Hilo. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Hilo 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 Hilo 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 Hilo Intl. (ITO) The easiest way to view the best deals on flights from Washington to Hilo 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 Hilo 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 Hilo - 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 Hilo flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Hilo 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.   ## Frequently asked questions ### How much is a flight from IAD to ITO? > Start packing your bags, because round-trip journeys from Washington Dulles Intl. Airport (IAD) to ITO start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Hilo Intl. Airport (ITO)? > Most flights can be cancelled online, but whether or not you are charged a fee varies between airlines. If you do have to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from IAD to ITO 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 Washington Dulles Intl. Airport (IAD) to Hilo Intl. Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Dulles Intl. Airport to Hilo Intl. Airport? > The distance is around 7,600 kilometres, so pack your carry-on bag with everything you need to make your journey comfortable. Not sure what to take on board your Chantilly to Hilo flight? Earplugs, a sleep mask and a neck pillow are among the essentials. ### Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Hilo Intl. Airport? > Unfortunately, there aren't any airlines that fly directly between Washington Dulles Intl. Airport (IAD) and ITO. You'll have to book a flight with one or more stops. ### Are IAD to Hilo Intl. Airport (ITO) flight tickets cheaper when they're purchased at the last minute? > Flight prices change all the time, so there are no guarantees. While last-minute flight deals between Washington Dulles Intl. Airport (IAD) and ITO are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to a year before the departure date. 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