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Hilo

$207+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITO
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 12/77:00 am
IAD
-
ITO
2 stops15h 27m
Multiple Airlines
Tue 12/88:45 pm
ITO
-
IAD
2 stops14h 41m
Multiple Airlines
Deal found 7/23$604
This Priceline deal was found by Cheapflights users on 7/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:57 pm
IAD
-
ITO
2 stops25h 17m
Multiple Airlines
Tue 9/227:44 pm
ITO
-
IAD
2 stops16h 30m
Multiple Airlines
Deal found 7/21$652
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 8/307:00 am
IAD
-
ITO
2 stops15h 12m
Multiple Airlines
Wed 9/307:44 pm
ITO
-
IAD
2 stops15h 10m
Multiple Airlines
Deal found 7/22$654
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:03 am
IAD
-
ITO
2 stops21h 56m
Multiple Airlines
Tue 8/257:44 pm
ITO
-
IAD
2 stops27h 56m
Multiple Airlines
Deal found 7/21$704
This American Airlines deal was found by Cheapflights users on 7/24. 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 11/46:00 am
IAD
-
ITO
2 stops20h 54m
American Airlines
Sat 11/74:49 pm
ITO
-
IAD
2 stops16h 01m
American Airlines
Deal found 7/24$729
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/137:53 pm
IAD
-
ITO
2 stops28h 24m
Multiple Airlines
Fri 8/286:49 pm
ITO
-
IAD
2 stops17h 25m
Multiple Airlines
Deal found 7/20$799
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
IAD
-
ITO
2 stops15h 12m
Multiple Airlines
Fri 8/285:58 pm
ITO
-
IAD
2 stops18h 16m
Multiple Airlines
Deal found 7/24$801
This Travelocity deal was found by Cheapflights users on 7/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:46 am
IAD
-
ITO
2 stops19h 08m
Multiple Airlines
Fri 11/67:43 pm
ITO
-
IAD
2 stops15h 31m
Multiple Airlines
Deal found 7/24$815
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 10/176:00 am
IAD
-
ITO
2 stops14h 27m
American Airlines
Sat 10/315:59 pm
ITO
-
IAD
2 stops14h 51m
American Airlines
Deal found 7/24$823

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Alaska Airlines)

One-way from

$207
(Trip.com)
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
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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 July 25, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 9/16

5:57 pm-1:14 pm

2 stops25h 17m

Hilo Intl

Tue 9/22

7:44 pm-6:14 pm

2 stops16h 30m

$652

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 12/7

7:00 am-5:27 pm

2 stops15h 27m

Hilo Intl

Tue 12/8

8:45 pm-4:26 pm

2 stops14h 41m

$654

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 8/30

7:00 am-4:12 pm

2 stops15h 12m

Hilo Intl

Wed 9/30

7:44 pm-4:54 pm

2 stops15h 10m

$654

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 10/17

6:00 am-2:27 pm

2 stops14h 27m

Hilo Intl

Sat 10/31

5:59 pm-2:50 pm

2 stops14h 51m

$823

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 9/6

7:00 am-4:12 pm

2 stops15h 12m

Hilo Intl

Sun 9/13

6:49 pm-6:14 pm

2 stops17h 25m

$981

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 11/4

6:39 am-8:13 pm

2 stops18h 34m

Hilo Intl

Sat 11/7

12:42 pm-6:43 am

1 stop13h 01m

$996

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 9/4

1:00 pm-9:54 pm

2 stops14h 54m

Hilo Intl

Fri 9/11

9:26 am-6:53 am

2 stops15h 27m

$1,001

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 8/12

8:35 am-6:17 pm

2 stops15h 42m

Hilo Intl

Thu 8/20

7:44 pm-9:08 pm

2 stops19h 24m

$1,048

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 10/17

8:30 am-3:13 pm

1 stop12h 43m

Hilo Intl

Sat 10/31

9:26 am-7:28 am

2 stops16h 02m

$1,075
Quickest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 9/6

1:00 pm-9:54 pm

2 stops14h 54m

Hilo Intl

Sun 9/13

11:27 am-6:53 am

2 stops13h 26m

$1,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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.

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. 0 airlines have flights to Hilo Intl from Washington, D.C. Dulles Intl on a regular basis.

  • 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.

See more FAQs

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