$263 Cheap Flights from Washington (IAD) to Honolulu (HNL)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)

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Cheap Flights from Washington to Honolulu (IAD-HNL)

Prices were available within the past 7 days and start at $263 for one-way flights and $474 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Alaska Airlines
United
American Airlines
Delta

Find the cheapest month to fly from Washington (IAD) to Honolulu (HNL)

November is typically the cheapest month to fly

From $399 - $1,102 per traveler.

Graph displaying average flight prices per month

Alternative airports near Honolulu

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Washington (IAD) to Honolulu (HNL)
Origin airport
Washington Dulles Intl.
Destination airport
Daniel K. Inouye Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$473
Distance
4808 mi

Washington to Honolulu Flights

The cheapest times to fly from Washington to Honolulu

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 Washington to Honolulu are during the month of September. You can find some of the cheapest flights from Washington to Honolulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Honolulu

Sunday is one of the best days to book for cheap flights from Washington to Honolulu: 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 Washington to Honolulu

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 Washington to Honolulu in 2025. You can also book with separate airlines for your outbound and return journeys, from $263 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 Washington to Honolulu 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 Washington to Honolulu 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL) cost?
You'll find cheap return tickets from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL) starting at $994. Snag a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving IAD on July 26 2025 and touching down at HNL. The price was last updated on July 11 2025 and has not changed since.
What is the cheapest month to fly from IAD to HNL?
The cheapest flights from IAD to HNL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
When flying out of Washington Dulles Intl. Airport (IAD), you can get on a direct flight to Daniel K. Inouye Intl. Airport (HNL) with United Airlines.
What is the cheapest airline that flies from IAD to HNL?
At the moment, the cheapest carrier offering one-way flights from IAD to HNL is United. You can book a seat on this route from $547. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on October 4 2025. Prices were last updated on July 11 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
On average, you can choose from 6 direct flights per week from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL). For more flexibility, consider taking a flight with a layover. Just enter your dates on Expedia and then set the filter tool to include one stop or more.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
The 8 AM departures from IAD to HNL are the most sought after. Greater demand means you'll likely pay more for these departures. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from IAD to HNL?
Fly on a Friday if you're looking for the best choice of flights from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
Take the earliest flight at around 8:15AM UTC-5, heading out of Washington Dulles Intl. Airport (IAD). You'll be traveling for about 11h 1m, coming in to land at Daniel K. Inouye Intl. Airport (HNL) at approximately 2:16PM UTC-10.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
It takes around 11 hours and 1 minute to travel the 4,800 mi from IAD to HNL.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
To arrive at Daniel K. Inouye Intl. Airport (HNL) on time, pick a flight that leaves from Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Honolulu from Washington Dulles Intl. Airport (IAD)?
If you've booked a direct flight from Washington Dulles Intl. Airport (IAD) to Honolulu, Daniel K. Inouye Intl. Airport (HNL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL) last-minute?
Holding off until just before your trip to book a flight from IAD to HNL generally means paying more. While you may come across some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book an IAD to HNL flight and hotel package?
You'll generally save money by securing an IAD to HNL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Daniel K. Inouye Intl. Airport (HNL)?
In most instances, you're able to cancel or reschedule your IAD to HNL flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

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