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Hilo

$238+ Cheap flights from Dulles Intl (IAD) to Hilo (ITO)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to Hilo

Cheapest flights from Dulles Intl to Hilo
Explore the most affordable flight options available from Dulles Intl to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 4/167:00 am
IAD
-
ITO
2 stops20h 33m
Multiple Airlines
Mon 4/209:00 pm
ITO
-
IAD
2 stops26h 40m
Multiple Airlines
Deal found 1/20$564
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/95:26 pm
IAD
-
ITO
2 stops29h 03m
Multiple Airlines
Wed 2/117:44 pm
ITO
-
IAD
2 stops16h 36m
Multiple Airlines
Deal found 1/19$636
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 5/19:00 am
IAD
-
ITO
2 stops34h 01m
Multiple Airlines
Sun 5/109:00 pm
ITO
-
IAD
2 stops26h 50m
Multiple Airlines
Deal found 1/19$718
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 2/276:27 pm
IAD
-
ITO
2 stops29h 07m
Multiple Airlines
Sun 3/16:00 am
ITO
-
IAD
2 stops18h 40m
Multiple Airlines
Deal found 1/19$727
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 5/266:00 am
IAD
-
ITO
2 stops15h 23m
Multiple Airlines
Thu 8/278:38 am
ITO
-
IAD
2 stops16h 50m
Multiple Airlines
Deal found 1/20$735
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 5/249:00 am
IAD
-
ITO
2 stops18h 56m
Multiple Airlines
Wed 8/265:30 pm
ITO
-
IAD
2 stops19h 31m
Multiple Airlines
Deal found 1/20$765
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 5/249:00 am
IAD
-
ITO
2 stops17h 20m
Multiple Airlines
Fri 8/289:46 am
ITO
-
IAD
2 stops15h 42m
Multiple Airlines
Deal found 1/20$795
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:15 am
IAD
-
ITO
1 stop15h 49m
United Airlines
Wed 2/116:44 pm
ITO
-
IAD
1 stop31h 32m
United Airlines
Deal found 1/20$801
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 5/236:42 pm
IAD
-
ITO
2 stops25h 29m
Multiple Airlines
Wed 8/267:52 pm
ITO
-
IAD
2 stops15h 24m
Multiple Airlines
Deal found 1/20$802
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 3/77:05 am
IAD
-
ITO
2 stops20h 30m
Multiple Airlines
Thu 3/126:44 pm
ITO
-
IAD
2 stops16h 43m
Multiple Airlines
Deal found 1/19$807

Find flight deals from Dulles Intl to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hilo (ITO). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$564
(Alaska Airlines)

One-way from

$238
(Alaska Airlines)

Popular in

June

Cheapest in

November
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Hilo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Hilo Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Hilo Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Hilo Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Hilo 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 January 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hilo that are best for you.

Fly from

Dulles Intl

Fly to

Hilo

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-9:33 pm

2 stops20h 33m

Hilo Intl

Mon 4/20

9:00 pm-5:40 am

2 stops26h 40m

$564

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-5:29 pm

2 stops29h 03m

Hilo Intl

Wed 2/11

7:44 pm-5:20 pm

2 stops16h 36m

$636

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 2/9

8:15 am-7:04 pm

1 stop15h 49m

Hilo Intl

Wed 2/11

6:44 pm-7:16 am

1 stop31h 32m

$801

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 3/7

7:05 am-10:35 pm

2 stops20h 30m

Hilo Intl

Thu 3/12

6:44 pm-5:27 pm

2 stops16h 43m

$807

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 4/19

6:22 pm-4:15 pm

2 stops27h 53m

Hilo Intl

Sat 4/25

5:59 pm-5:41 pm

2 stops17h 42m

$818

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 3/6

7:05 am-8:23 pm

2 stops18h 18m

Hilo Intl

Thu 3/12

7:36 pm-5:27 pm

2 stops15h 51m

$831

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 5/6

7:10 am-5:39 pm

2 stops16h 29m

$238

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 5/28

9:00 am-8:20 pm

2 stops17h 20m

$368

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 5/27

9:00 am-9:56 pm

2 stops18h 56m

$368

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 5/26

6:00 am-3:23 pm

2 stops15h 23m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 16 results
1
2

Compare providers for flights from Dulles Intl to Hilo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Hilo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Hilo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Hilo

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hilo (average of $211). Flying from Washington, D.C. Dulles Intl Airport to Hilo in December is currently the most expensive (average of $489). 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.

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated January 21, 2026.
Read reviews from past customers who have flown Alaska Airlines from Washington, D.C. Dulles Intl Airport to Hilo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hilo. 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 into for flights to Hilo from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Hilo, you will be flying into 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 inbound flights from Washington, D.C. Dulles Intl per day. 1 airline has flights to Hilo Intl from Washington, D.C. Dulles Intl on a regular basis.

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

    United Airlines can get you from Washington, D.C. Dulles Intl Airport to Hilo in just under 15h 49m. Your travel time can differ by up to . The distance between Washington, D.C. Dulles Intl Airport and Hilo is about 4717 mi.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Hilo round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Hilo, with prices starting at $591.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Hilo 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 Washington, D.C. Dulles Intl Airport to Hilo?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hilo (average of $211). Flying from Washington, D.C. Dulles Intl Airport to Hilo in December is currently the most expensive (average of $489). 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

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Top airline flying from Dulles Intl to Hilo

Discover the top airline that operate flights from Dulles Intl to Hilo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$591Average$750FlexibilityNo cancel feeOn-time75%

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