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Hilo

$378+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITO
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
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 June 11, 2026.

This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/156:03 am
IAD
-
ITO
2 stops21h 56m
Multiple Airlines
Mon 9/147:44 pm
ITO
-
IAD
2 stops27h 56m
Multiple Airlines
Deal found 6/7$725
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 8/309:03 am
IAD
-
ITO
2 stops18h 51m
Multiple Airlines
Wed 9/307:35 am
ITO
-
IAD
2 stops16h 05m
Multiple Airlines
Deal found 6/9$728
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/277:00 am
IAD
-
ITO
2 stops20h 54m
Multiple Airlines
Mon 9/78:45 pm
ITO
-
IAD
2 stops26h 55m
Multiple Airlines
Deal found 6/6$734
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/229:03 am
IAD
-
ITO
2 stops16h 09m
Multiple Airlines
Wed 9/236:00 am
ITO
-
IAD
2 stops17h 40m
Multiple Airlines
Deal found 6/10$749
This Expedia deal was found by Cheapflights users on 6/7. 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.
Wed 8/56:03 am
IAD
-
ITO
2 stops21h 56m
Multiple Airlines
Fri 9/44:44 pm
ITO
-
IAD
2 stops18h 00m
Multiple Airlines
Deal found 6/7$756
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 8/297:00 am
IAD
-
ITO
2 stops20h 54m
Multiple Airlines
Mon 9/78:45 pm
ITO
-
IAD
2 stops26h 55m
Multiple Airlines
Deal found 6/7$765
This Expedia deal was found by Cheapflights users on 6/6. 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.
Sat 9/129:03 am
IAD
-
ITO
2 stops18h 51m
Multiple Airlines
Sun 9/205:58 pm
ITO
-
IAD
2 stops18h 16m
Multiple Airlines
Deal found 6/6$787
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/225:47 pm
IAD
-
ITO
2 stops30h 30m
Multiple Airlines
Sun 8/308:45 pm
ITO
-
IAD
2 stops26h 55m
Multiple Airlines
Deal found 6/6$801
This Expedia deal was found by Cheapflights users on 6/9. 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.
Tue 7/286:03 am
IAD
-
ITO
2 stops21h 56m
Multiple Airlines
Tue 8/254:44 pm
ITO
-
IAD
2 stops18h 00m
Multiple Airlines
Deal found 6/9$816

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 June 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$725
(Alaska Airlines)

One-way from

$378
(Priceline)
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

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 June 11, 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

Sun 8/30

9:03 am-9:54 pm

2 stops18h 51m

Hilo Intl

Wed 9/30

7:35 am-5:40 am

2 stops16h 05m

$728

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 8/27

7:00 am-9:54 pm

2 stops20h 54m

Hilo Intl

Mon 9/7

8:45 pm-5:40 am

2 stops26h 55m

$734

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 9/22

9:03 am-7:12 pm

2 stops16h 09m

Hilo Intl

Wed 9/23

6:00 am-5:40 am

2 stops17h 40m

$749

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 8/22

5:47 pm-6:17 pm

2 stops30h 30m

Hilo Intl

Sun 8/30

8:45 pm-5:40 am

2 stops26h 55m

$801

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 7/23

6:03 am-9:59 pm

2 stops21h 56m

Hilo Intl

Thu 7/30

7:44 pm-5:11 pm

2 stops15h 27m

$822

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 6/24

9:30 am-6:17 pm

2 stops14h 47m

Hilo Intl

Wed 7/8

7:02 pm-6:39 am

2 stops29h 37m

$963

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 7/8

6:14 pm-6:17 pm

2 stops30h 03m

Hilo Intl

Tue 7/14

7:02 pm-11:59 pm

2 stops22h 57m

$975
Quickest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 8/22

8:30 am-2:25 pm

1 stop11h 55m

Hilo Intl

Sun 8/30

7:44 pm-4:23 pm

2 stops14h 39m

$1,026
Cheapest one-way

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 10/7

9:35 am-9:55 pm

2 stops18h 20m

$378

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 8/5

6:03 am-9:59 pm

2 stops21h 56m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Hilo flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Hilo flight deals on Cheapflights vs. Expedia <90% 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.

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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