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Washington, D.C.

$276+ Cheap flights from Hilo (ITO) to Washington, D.C. (WAS)

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — WAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Hilo to Washington, D.C.

Cheapest flights from Hilo to Washington, D.C.
Explore the most affordable flight options available from Hilo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/238:46 amITO - IAD
2 stops27h 35mMultiple Airlines
Fri 1/95:26 pmIAD - ITO
2 stops29h 03mMultiple Airlines
Deal found 12/17$932
This Delta deal was found by Cheapflights users on 12/16. 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 12/241:44 pmITO - IAD
2 stops17h 08mDelta
Tue 12/306:00 amIAD - ITO
2 stops20h 15mDelta
Deal found 12/16$1,107
This Delta deal was found by Cheapflights users on 12/16. 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 12/241:44 pmITO - BWI
2 stops17h 05mDelta
Tue 12/306:00 amBWI - ITO
2 stops20h 15mDelta
Deal found 12/16$1,157
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/314:40 pmITO - IAD
2 stops18h 59mUnited Airlines
Sun 1/48:15 amIAD - ITO
1 stop17h 14mUnited Airlines
Deal found 12/16$1,173
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/314:40 pmITO - DCA
2 stops17h 19mUnited Airlines
Sun 1/47:00 amDCA - ITO
2 stops18h 29mUnited Airlines
Deal found 12/16$1,183
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 12/238:29 pmITO - BWI
2 stops16h 31mMultiple Airlines
Fri 1/97:14 pmBWI - ITO
2 stops32h 20mMultiple Airlines
Deal found 12/18$1,193
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:44 pmITO - BWI
2 stops15h 15mUnited Airlines
Tue 12/3010:44 amBWI - ITO
3 stops37h 30mUnited Airlines
Deal found 12/16$1,277
This Delta deal was found by Cheapflights users on 12/17. 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 12/232:59 pmITO - IAD
2 stops19h 15mDelta
Fri 1/96:00 amIAD - ITO
2 stops18h 04mDelta
Deal found 12/17$1,482
This Expedia deal was found by Cheapflights users on 12/16. 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 12/314:40 pmITO - BWI
2 stops20h 20mMultiple Airlines
Sun 1/47:04 amBWI - ITO
2 stops20h 21mMultiple Airlines
Deal found 12/16$1,486
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/207:44 pmITO - DCA
2 stops19h 55mMultiple Airlines
Fri 12/268:00 amDCA - ITO
2 stops19h 25mMultiple Airlines
Deal found 12/17$1,639
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/234:40 pmITO - BWI
2 stops13h 36mAmerican Airlines
Fri 1/99:17 amBWI - ITO
3 stops18h 17mAmerican Airlines
Deal found 12/18$1,685
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/237:44 pmITO - IAD
2 stops20h 31mUnited Airlines
Fri 1/98:30 amIAD - ITO
1 stop16h 59mUnited Airlines
Deal found 12/17$1,797

Find flight deals from Hilo to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) to Washington, D.C. (WAS). 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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$465
(Alaska Airlines)

One-way from

$276
(Alaska Airlines)
Provider with most accurate pricing for Hilo Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Hilo Intl-Washington, D.C. (WAS) flights.
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From Hilo Intl to Washington, D.C. (WAS)
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One-way flight from Hilo Intl to Washington, D.C. (WAS)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hilo to Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from Hilo to Washington, D.C. that are best for you.

Fly from

Hilo

Fly to

Washington, D.C.

Route

Depart

Return

Price

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 2/26

6:44 pm-5:20 pm

2 stops17h 36m

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-4:00 pm

2 stops26h 33m

$465

HiloWashington, D.C.

ITO - DCA

ITODCA

Hilo Intl

Thu 2/26

6:44 pm-9:59 pm

2 stops22h 15m

Washington, D.C. Reagan-National

Mon 3/2

5:00 pm-4:00 pm

2 stops28h 00m

$465

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Thu 2/26

8:30 pm-5:46 pm

2 stops16h 16m

Baltimore/Washington

Mon 3/2

6:46 pm-7:59 pm

2 stops30h 13m

$582

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Thu 1/15

6:44 pm-6:14 pm

2 stops18h 30m

Baltimore/Washington

Mon 1/19

7:14 pm-7:04 pm

2 stops28h 50m

$716

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Thu 2/26

8:30 pm-8:47 pm

2 stops19h 17m

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-6:41 pm

1 stop15h 16m

$811

HiloWashington, D.C.

ITO - DCA

ITODCA

Hilo Intl

Thu 2/26

7:41 pm-3:55 pm

3 stops39h 14m

Washington, D.C. Reagan-National

Mon 3/2

7:00 am-5:41 pm

2 stops15h 41m

$815

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Wed 3/18

9:00 pm-6:02 pm

2 stops15h 02m

Baltimore/Washington

Sat 3/21

6:55 pm-5:01 pm

2 stops28h 06m

$909

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Wed 12/31

4:40 pm-4:39 pm

2 stops18h 59m

Washington, D.C. Dulles Intl

Sun 1/4

8:15 am-8:29 pm

1 stop17h 14m

$1,173

HiloWashington, D.C.

ITO - DCA

ITODCA

Hilo Intl

Wed 12/31

4:40 pm-2:59 pm

2 stops17h 19m

Washington, D.C. Reagan-National

Sun 1/4

7:00 am-8:29 pm

2 stops18h 29m

$1,183

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Thu 1/1

1:44 pm-3:42 pm

2 stops20h 58m

Baltimore/Washington

Mon 1/5

8:45 am-7:59 pm

2 stops16h 14m

$1,267

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 19 results
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  • Most accurate provider: When it comes to deals on Hilo-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hilo-Washington, D.C. 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 Hilo-Washington, D.C. 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 Hilo to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

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

What is the cheapest time of day to fly from ITO to WAS?

Find hourly flight availability from Hilo to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Hilo to Washington, D.C. in the evening. Doing so could potentially save you 25% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

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

    Hilo Intl (ITO), located 3.0 mi from the city center, is the airport you fly out of when you book flights from Hilo to Washington, D.C.. 0 airlines have flights from Hilo Intl to Washington, D.C. on a regular basis. Booking flights from Hilo Intl to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

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

    A quick flight from Hilo to Washington, D.C. can take about 19h 17m. United Airlines provides one of the quickest options available for as low as $811. The distance from Hilo to Washington, D.C. is about 4717 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Hilo to Washington, D.C.?

    The most popular route from Hilo to Washington, D.C. is Hilo Intl - Baltimore/Washington. You may also consider Hilo Intl - Washington, D.C. Dulles Intl or Hilo Intl - Washington, D.C. Reagan-National.

  • Can I find deals for flights from Hilo to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Hilo to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hilo to Washington, D.C.?

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

  • Can I find deals for business class flights from Hilo to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Hilo to Washington, D.C. 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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