$253 Cheap Flights from Honolulu (HNL) to Washington (IAD)

View $253 flight on Fri, May 23, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Honolulu to Washington (HNL-IAD)

Prices were available within the past 7 days and start at $253 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, May 24 - Wed, May 28
HNL
Oahu
IAD
Washington
$499 Roundtrip, found 6 days ago
$499
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, May 24 from Oahu to Washington, returning Wed, May 28, priced at $499 found 6 days ago
Alaska Airlines
Fri, May 23 - Wed, May 28
HNL
Oahu
IAD
Washington
$499 Roundtrip, found 5 hours ago
$499
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, May 23 from Oahu to Washington, returning Wed, May 28, priced at $499 found 5 hours ago
Alaska Airlines
Wed, Sep 3 - Fri, Sep 19
HNL
Oahu
IAD
Washington
$516 Roundtrip, found 6 days ago
$516
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 3 from Oahu to Washington, returning Fri, Sep 19, priced at $516 found 6 days ago
Southwest Airlines
Sat, May 24 - Wed, May 28
HNL
Oahu
IAD
Washington
$519 Roundtrip, found 6 days ago
$519
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, May 24 from Oahu to Washington, returning Wed, May 28, priced at $519 found 6 days ago
Southwest Airlines
Sat, May 24 - Thu, May 29
HNL
Oahu
IAD
Washington
$522 Roundtrip, found 4 days ago
$522
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Sat, May 24 from Oahu to Washington, returning Thu, May 29, priced at $522 found 4 days ago
Alaska Airlines
Wed, Sep 10 - Wed, Sep 17
HNL
Oahu
IAD
Washington
$531 Roundtrip, found 6 days ago
$531
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 10 from Oahu to Washington, returning Wed, Sep 17, priced at $531 found 6 days ago
Alaska Airlines
Mon, Sep 8 - Tue, Sep 23
HNL
Oahu
IAD
Washington
$535 Roundtrip, found 6 days ago
$535
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Sep 8 from Oahu to Washington, returning Tue, Sep 23, priced at $535 found 6 days ago
Hawaiian Airlines
Tue, Jul 22 - Tue, Aug 12
HNL
Oahu
IAD
Washington
$566 Roundtrip, found 6 days ago
$566
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Jul 22 from Oahu to Washington, returning Tue, Aug 12, priced at $566 found 6 days ago
American Airlines
Wed, Oct 29 - Thu, Oct 30
HNL
Oahu
IAD
Washington
$633 Roundtrip, found 1 day ago
$633
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Oahu to Washington, returning Thu, Oct 30, priced at $633 found 1 day ago
Delta
Thu, Sep 4 - Mon, Sep 8
HNL
Oahu
IAD
Washington
$633 Roundtrip, found 2 hours ago
$633
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Sep 4 from Oahu to Washington, returning Mon, Sep 8, priced at $633 found 2 hours ago
Flights from Honolulu (HNL) to Washington (IAD)
Origin airport
Daniel K. Inouye Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$498
Distance
4808 mi

Honolulu to Washington Flights

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

The best time to book a flight from Honolulu to Washington

Sunday is one of the best days to book for cheap flights from Honolulu 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 Honolulu 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 Honolulu to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $253 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 Honolulu 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 Honolulu 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.

Frequently asked questions

How much does a flight from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD) cost?
You can pick up cheap return fares starting at $1719 from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD). 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 HNL on May 3 2025 and touching down at IAD. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from HNL to IAD?
The cheapest flights from HNL to IAD 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 Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
When departing from Daniel K. Inouye Intl. Airport (HNL), you can jump on a direct flight to Washington Dulles Intl. Airport (IAD) with United Airlines.
What is the cheapest airline that flies from HNL to IAD?
With prices as low as $637 for a one-way flight from HNL to IAD, United is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HNL on May 17 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
On average, you can pick from 6 direct flights every week from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD). For more options, consider a flight with a layover. Just enter your dates on Expedia and then filter your search results to show one or more stops.
What are the most popular departure times for flights from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
Flights between HNL and IAD tend to be busiest at 5 PM. If you’re after a quieter experience and potentially cheaper tickets, look for a departure that’s outside typical rush times.
What day of the week has the most flights from HNL to IAD?
Fly on a Friday if you’re looking for the largest selection of flights from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
The first flight of the day leaving Daniel K. Inouye Intl. Airport (HNL) is at around 5:00PM UTC-10. Catch this flight and you’ll touch down at Washington Dulles Intl. Airport (IAD) at approximately 7:20AM UTC-5. The total travel time is 9h 20m.
How long does it take to fly from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
The average flight duration from HNL to IAD is 9 hours and 20 minutes, covering a total distance of 4,800 mi.
What is the best time to fly from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
Book a flight from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be 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.
What airports do you fly into for Washington from Daniel K. Inouye Intl. Airport (HNL)?
If you’re on a direct flight from Daniel K. Inouye Intl. Airport (HNL) to Washington, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until right before your break to book your flight from HNL to IAD generally means paying more. Although you may find some last-minute discounts, they’re not always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a HNL to IAD flight and hotel package?
Securing a HNL to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Daniel K. Inouye Intl. Airport (HNL) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can cancel or reschedule your HNL to IAD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.