$220 Cheap Flights from Lihue (LIH) to Washington (IAD)

View $220 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Lihue to Washington (LIH-IAD)

Prices were available within the past 7 days and start at $220 for one-way flights and $461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Dec 4 - Tue, Dec 9
LIH
Kauai
IAD
Washington
$461 Roundtrip, found 3 days ago
$461
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Tue, Dec 9, priced at $461 found 3 days ago
Delta
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$477 Roundtrip, found 2 days ago
$477
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $477 found 2 days ago
Alaska Airlines
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$504 Roundtrip, found 2 days ago
$504
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $504 found 2 days ago
Hawaiian Airlines
Wed, Nov 26 - Wed, Dec 3
LIH
Kauai
IAD
Washington
$504 Roundtrip, found 4 days ago
$504
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 26 from Kauai to Washington, returning Wed, Dec 3, priced at $504 found 4 days ago
Alaska Airlines
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$504 Roundtrip, found 2 days ago
$504
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $504 found 2 days ago
Alaska Airlines
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $508 found 2 days ago
Alaska Airlines
Thu, Dec 4 - Tue, Dec 9
LIH
Kauai
IAD
Washington
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Tue, Dec 9, priced at $509 found 3 days ago
Delta
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $518 found 2 days ago
American Airlines
Thu, Dec 4 - Thu, Dec 11
LIH
Kauai
IAD
Washington
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Dec 4 from Kauai to Washington, returning Thu, Dec 11, priced at $577 found 2 days ago
United
Fri, Dec 12 - Sat, Dec 20
LIH
Kauai
IAD
Washington
$1,041 Roundtrip, found 14 hours ago
$1,041
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Dec 12 from Kauai to Washington, returning Sat, Dec 20, priced at $1,041 found 14 hours ago

Find the cheapest month to fly from Lihue (LIH) to Washington (IAD)

November is typically the cheapest month to fly

From $421 - $1,525 per traveler.

Frequently asked questions

How much does a flight from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $220 or cheap return flight from $461 from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)?
Planning your trip for December may help you find better deals, as it's the cheapest month for flights between LIH and IAD. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from LIH to IAD. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)?
You'll have to catch a flight with a layover when traveling from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from LIH to IAD?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from LIH to IAD are generally more expensive. To lock in the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a LIH to IAD flight and hotel package?
Securing a LIH to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lihue Airport (LIH) to Washington Dulles Intl. Airport (IAD)?
You can usually cancel or reschedule your LIH to IAD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lihue
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$461
Distance
4857 mi

Book with confidence

Lihue to Washington Flights

The cheapest times to fly from Lihue to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lihue to Washington are during the month of December. You can find some of the cheapest flights from Lihue to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lihue to Washington

Sunday is one of the best days to book for cheap flights from Lihue to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lihue to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lihue to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $220 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lihue to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lihue to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lihue to Washington Flights

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*Available to One Key members.