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Hilo

$398+ Cheap flights from District of Columbia 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ITO
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from District of Columbia to Hilo

Keep the following information in mind while searching for District of Columbia to Hilo flight deals. Data was last updated November 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$503
(Alaska Airlines)

One-way from

$398
(Alaska Airlines)

Popular in

March

Cheapest in

November

Average price

$627
Provider with most accurate pricing for Washington, D.C. (WAS)-Hilo Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Hilo Intl flights.
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From District of Columbia to Hilo Intl
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One-way flight from District of Columbia to Hilo Intl
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Highest demand for flights based on searches. 9% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from District of Columbia to Hilo

Cheapest flights from District of Columbia to Hilo
Explore the most affordable flight options available from District of Columbia to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:00 amIAD - ITO
2 stops16h 00mUnited Airlines
Mon 12/87:44 pmITO - IAD
2 stops14h 06mUnited Airlines
Deal found 11/19$823
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/48:59 amDCA - ITO
2 stops16h 01mAlaska Airlines
Mon 12/86:44 pmITO - DCA
2 stops20h 16mAlaska Airlines
Deal found 11/19$1,135
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/38:00 amDCA - ITO
2 stops16h 05mAlaska Airlines
Sun 12/79:00 pmITO - DCA
2 stops15h 59mAlaska Airlines
Deal found 11/18$1,330
This Expedia deal was found by Cheapflights users on 11/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:59 amDCA - ITO
2 stops16h 00mAlaska Airlines
Mon 12/226:44 pmITO - DCA
2 stops21h 35mAlaska Airlines
Deal found 11/18$1,589
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/197:33 amIAD - ITO
2 stops16h 41mAlaska Airlines
Fri 1/26:44 pmITO - IAD
2 stops17h 37mAlaska Airlines
Deal found 11/20$2,590
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:05 amDCA - ITO
2 stops17h 20mAmerican Airlines
Fri 1/29:00 pmITO - DCA
2 stops13h 44mAmerican Airlines
Deal found 11/20$2,836
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amDCA - ITO
2 stops18h 05mUnited Airlines
Sat 12/207:44 pmITO - DCA
2 stops16h 13mUnited Airlines
Deal found 11/18$3,400
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/198:15 amIAD - ITO
1 stop17h 14mUnited Airlines
Fri 1/26:44 pmITO - IAD
1 stop31h 39mUnited Airlines
Deal found 11/20$3,807
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:05 amIAD - ITO
2 stops19h 11mDelta
Sat 12/2010:56 amITO - IAD
2 stops20h 17mDelta
Deal found 11/20$8,106
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:00 pmDCA - ITO
3 stops32h 29mUnited Airlines
Fri 1/27:44 pmITO - DCA
2 stops16h 13mUnited Airlines
Deal found 11/19$8,623

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 November 20, 2025.
Use the filters below to find and compare flights from District of Columbia to Hilo that are best for you.

Fly from

District of Columbia

Fly to

Hilo

Route

Depart

Return

Price

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sat 1/24

8:00 am-10:34 pm

2 stops19h 34m

Hilo Intl

Wed 1/28

6:44 pm-4:09 pm

2 stops16h 25m

$503

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 1/12

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Thu 1/15

5:59 pm-4:01 pm

2 stops17h 02m

$508

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Wed 2/18

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Wed 2/25

7:41 pm-5:59 pm

2 stops17h 18m

$508

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Wed 2/18

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Thu 2/26

8:30 pm-5:59 pm

2 stops16h 29m

$508

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Wed 2/18

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Tue 2/24

8:30 pm-5:59 pm

2 stops16h 29m

$527

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 2/17

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Thu 2/26

8:30 pm-5:59 pm

2 stops16h 29m

$527

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 2/17

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Wed 2/25

8:30 pm-5:59 pm

2 stops16h 29m

$527

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 2/17

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Tue 2/24

7:41 pm-5:59 pm

2 stops17h 18m

$546

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 1/15

5:26 pm-10:34 pm

2 stops34h 08m

Hilo Intl

Sun 1/25

8:59 am-5:04 pm

2 stops27h 05m

$739

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/12

3:19 pm-7:59 pm

2 stops33h 40m

Hilo Intl

Fri 1/16

8:24 am-12:59 am

2 stops35h 35m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 21 results
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Best time to book a flight from District of Columbia to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from District of Columbia 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 District of Columbia to Hilo

What is the cheapest month to book a flight from District of Columbia to Hilo?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Hilo (average of $211). Flying from District of Columbia to Hilo in December is currently the most expensive (average of $482). 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Hilo Intl (ITO), located 3.0 mi from the city center, is the airport you fly into when you book flights from District of Columbia to Hilo.

  • How long is the flight from District of Columbia to Hilo?

    Departing from District of Columbia to Hilo will take you 19h 34m. District of Columbia and Hilo are separated by a distance of 4740 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from District of Columbia to Hilo that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Hilo?

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

  • Can I find deals for business class flights from District of Columbia to Hilo?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Hilo?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Hilo (average of $211). Flying from District of Columbia to Hilo in December is currently the most expensive (average of $482). 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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Alternative routes for District of Columbia to Hilo

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Top 2 airlines flying from District of Columbia to Hilo

Discover the top 2 airlines that operate flights from District of Columbia 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$587Average$874FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$741Average$1,256FlexibilityNo cancel feeOn-time69%

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