£278 Cheap Flights from Washington (IAD) to Honolulu (HNL)

View £278 flight on Wed, 27 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £278 for one-way flights and £521 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£521 Return, found 2 days ago
£521
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £521 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£532 Return, found 2 days ago
£532
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £532 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£542 Return, found 2 days ago
£542
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £542 found 2 days ago
Alaska Airlines
Tue, 19 May - Tue, 26 May
IAD
Washington
HNL
Oahu
£550 Return, found 2 days ago
£550
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 19 May from Washington to Oahu, returning Tue, 26 May, priced at £550 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£552 Return, found 2 days ago
£552
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £552 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£554 Return, found 2 days ago
£554
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £554 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£566 Return, found 2 days ago
£566
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £566 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£568 Return, found 2 days ago
£568
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £568 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£570 Return, found 2 days ago
£570
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £570 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAD
Washington
HNL
Oahu
£576 Return, found 2 days ago
£576
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Washington to Oahu, returning Wed, 3 Jun, priced at £576 found 2 days ago

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

April is typically the cheapest month to fly

From £349 - £780 per traveller.

Frequently asked questions

Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
Enter IAD to HNL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
While there aren't many direct flights, you'll find around 73 connecting flights per day from Washington Dulles Intl. (IAD) to Daniel K. Inouye Intl. (HNL). Some common connection points include Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX), and Denver Intl. (DEN).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Daniel K. Inouye Intl. (HNL) typically departs at approximately 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service active in August. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
If you're flying from Washington Dulles Intl. (IAD) to Daniel K. Inouye Intl. (HNL), you'll typically find the most flights on a Saturday, with around 32 flights available. This gives you a good selection of options for your journey. Major airlines on this route include United Airlines, Delta Air Lines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, with Saturday offering only slightly more flights than other days.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) are in the early morning, from 6am to 9am. Approximately 65% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your journey bright and early, often arriving at your destination with plenty of time to settle in.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
Direct flights from IAD to HNL usually take about 11 hours, traveling roughly 4,809 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to HNL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Honolulu from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly directly into Daniel K. Inouye Intl. (HNL) to reach Honolulu. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), Dallas-Fort Worth Intl. (DFW) before reaching Honolulu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Honolulu, HI (HNL-Daniel K. Inouye Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Daniel K. Inouye Intl.
Return price
£520
Distance
7693 km
Average flight time
9 hours 40 mins

Book with confidence

Compare flights from Washington to Honolulu easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Honolulu. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Daniel K. Inouye 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 Daniel K. Inouye 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 Daniel K. Inouye Intl. (HNL)

The easiest way to view the best deals on flights from Washington to Honolulu 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 Daniel K. Inouye Intl. start at just £521 and range up to £576.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Honolulu
  • booking your flight during May, 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 Honolulu flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Daniel K. Inouye 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.  

Compare flights from Washington to Honolulu easily and book with confidence

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*Available to Expedia members.