Title: CA $519 Cheap Flights from Washington (IAD) to Lihue (LIH) - Expedia.ca ![Kauai Island featuring mountains, island images and general coastal views](https://images.trvl-media.com/place/180075/5d38b67f-b03f-41c6-8044-f69ec2c5ffb0.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $519 Cheap Flights from Washington (IAD) to Lihue (LIH) [View CA $519 flight on Tue, Dec 2, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:IAD,to:LIH,departure:02/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:518.10&airProductToken=AQptCjUIxJgBEgQxMDE1GIgYIJIBKP_Q_gIw5NP-AjhFQABYAWoJTUFJTkJBU0lDcghMQVZUSE9CQwo0CMSYARIDMzQ1GJIBIIs6KLbW_gIwstn-AjhFQAFYAWoJTUFJTkJBU0lDcghMQVZUSE9CQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?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 Lihue Airport (LIH) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&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.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&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.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&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.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:iad,to:lih,departure:24/10/2025TANYT&leg2=from:lih,to:iad,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) ![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 30% 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.ca/login) ## Cheap flights from Washington (IAD) to Lihue (LIH) Prices were available within the past 7 days and start at CA $519 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Find the cheapest month to fly from Washington (IAD) to Lihue (LIH) ### January is typically the cheapest month to fly From CA $608 - CA $1,367 per traveller. Flight from Washington to Lihue (IAD - LIH) route information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Lihue | | Distance | 7772 km | ## Chantilly to Lihue Flights **The easy way to book your flights from Washington to Lihue**  With Expedia, it’s simple to find and book flights to Lihue from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lihue, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Lihue today, tomorrow, or this week.   **Save dollars with cheap flights from Washington Dulles Intl., IAD to Lihue, LIH**  Sort your search results by price to find great deals on your flight from Washington to Lihue—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lihue from Washington currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Lihue   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Lihue from Washington**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Lihue with Expedia today. ## Frequently asked questions ### How much is a flight from Washington Dulles Intl. Airport (IAD) to Lihue Airport? > Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Dulles Intl. Airport to Lihue Airport start from . Book ASAP to get the best price for your next big adventure. 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 Lihue Airport? > We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Dulles Intl. Airport to LIH that have flexible change policies? > Many carriers offer the option to move your flight at no extra charge. All you pay is the fare difference. When searching for Dulles Intl. Airport to Lihue Airport flights, you'll see a "No change fees" filter for you to select. ### How many hours is the flight from Washington Dulles Intl. Airport (IAD) to Lihue Airport? > To comfortably pass the 12 hours and 22 minutes flight time between Washington Dulles Intl. Airport (IAD) and LIH, it's smart to have a solid plan. A tablet filled with your favourite playlists is a terrific start. ### How far is the flight from Dulles Intl. Airport to Lihue Airport? > You'll have 7,800 kilometres to cover on the long-haul Chantilly to Lihue route. Dress in layers of comfy clothes and consider taking earplugs and a sleep mask. ### Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Lihue Airport? > Direct flights aren't available, so you'll need to make at least one stop between Dulles Intl. Airport and Lihue Airport (LIH). Take advantage of the layover time to stretch your legs and enjoy some personal space. ### Are IAD to Lihue Airport (LIH) flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Washington Dulles Intl. Airport (IAD) to LIH can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning your trip early, Expedia compares flight deals up to a year in advance. 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