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Dulles Intl

$428+ Cheap flights from Hilo (ITO) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Hilo to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$725
(Alaska Airlines)

One-way from

$428
(Kiwi.com)
From Hilo Intl to Washington, D.C. Dulles Intl
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One-way flight from Hilo Intl to Washington, D.C. Dulles Intl
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Find flight deals from Hilo to Dulles Intl

Cheapest flights from Hilo to Dulles Intl
Explore the most affordable flight options available from Hilo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:00 amITO - IAD
2 stops18h 23mAlaska Airlines
Sun 11/27:43 amIAD - ITO
2 stops17h 47mAlaska Airlines
Deal found 9/10$725
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:36 amITO - IAD
2 stops26h 16mAlaska Airlines
Sun 9/217:00 amIAD - ITO
2 stops16h 39mAlaska Airlines
Deal found 9/11$875
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:02 pmITO - IAD
2 stops15h 16mDelta
Wed 1/76:45 amIAD - ITO
2 stops18h 33mDelta
Deal found 9/10$1,197
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:32 pmITO - IAD
2 stops14h 44mDelta
Tue 10/217:35 amIAD - ITO
2 stops20h 44mDelta
Deal found 9/11$1,278
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:44 pmITO - IAD
3 stops18h 47mAmerican Airlines
Wed 1/76:30 amIAD - ITO
2 stops16h 48mAmerican Airlines
Deal found 9/10$1,529
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:55 pmITO - IAD
3 stops17h 59mAmerican Airlines
Tue 10/216:11 amIAD - ITO
2 stops16h 05mAmerican Airlines
Deal found 9/11$1,657
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:20 pmITO - IAD
2 stops16h 37mAmerican Airlines
Sun 9/219:16 amIAD - ITO
3 stops17h 14mAmerican Airlines
Deal found 9/11$2,023
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:55 pmITO - IAD
3 stops17h 59mMultiple Airlines
Tue 10/216:11 amIAD - ITO
3 stops17h 38mMultiple Airlines
Deal found 9/11$4,023

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hilo to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Hilo to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Hilo

Fly to

Dulles Intl

Route

Depart

Return

Price

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 10/29

6:00 am-6:23 am

2 stops18h 23m

Washington, D.C. Dulles Intl

Sun 11/2

7:43 am-8:30 pm

2 stops17h 47m

$725

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/10

3:02 pm-11:18 am

2 stops15h 16m

Washington, D.C. Dulles Intl

Wed 1/7

6:45 am-8:18 pm

2 stops18h 33m

$1,197

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 10/7

12:32 pm-9:16 am

2 stops14h 44m

Washington, D.C. Dulles Intl

Tue 10/21

7:35 am-10:19 pm

2 stops20h 44m

$1,278

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/10

7:44 pm-7:31 pm

3 stops18h 47m

Washington, D.C. Dulles Intl

Wed 1/7

6:30 am-6:18 pm

2 stops16h 48m

$1,529

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 10/7

6:55 pm-6:54 pm

3 stops17h 59m

Washington, D.C. Dulles Intl

Tue 10/21

6:11 am-4:16 pm

2 stops16h 05m

$1,657

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Tue 10/7

6:55 pm-6:54 pm

3 stops17h 59m

Washington, D.C. Dulles Intl

Tue 10/21

6:11 am-5:49 pm

3 stops17h 38m

$4,023

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 9/17

1:32 pm-6:19 pm

3 stops46h 47m

$428

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 9/17

12:20 pm-11:56 am

2 stops17h 36m

$451

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 9/17

8:36 am-4:52 pm

2 stops26h 16m

$461

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 9/17

7:00 pm-4:50 pm

3 stops15h 50m

$1,420

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Hilo to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hilo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Hilo to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Hilo to Washington, D.C. Dulles Intl?

    For a flight from Hilo to Washington, D.C. Dulles Intl, you will be flying from Hilo Intl. Hilo Intl (ITO) is just 3.0 mi from the center of the city. Hilo Intl is the only Hilo airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Hilo Intl on a regular basis.

  • How long is the flight from Hilo to Washington, D.C. Dulles Intl Airport?

    Airlines like Alaska Airlines, Delta, and American Airlines fly from Hilo to Washington, D.C. Dulles Intl Airport in about 15h 16m. The time it takes to get you to your destination can typically vary by up to 3h 31m. The distance from Hilo to Washington, D.C. Dulles Intl Airport is about 4717 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Hilo to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Hilo to Washington, D.C. Dulles Intl Airport are Delta ($451), Alaska Airlines ($461), and American Airlines ($1,420).

  • Can I find deals for flights from Hilo to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Hilo to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hilo to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hilo to Dulles Intl.

  • Can I find deals for business class flights from Hilo to Dulles Intl?

    Yes. Cheapflights offers flight deals from Hilo to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hilo to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Hilo to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Hilo to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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