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$556+ Cheap flights from Reagan-National (DCA) to Hilo (ITO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ITO
Jan 24 — Jan 311
Sat 1/24
Sat 1/31
1 adult, Economy
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Cheap flight deals from Reagan-National to Hilo

Cheapest flights from Reagan-National to Hilo
Explore the most affordable flight options available from Reagan-National to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amDCA - ITO
2 stops18h 59mDelta
Mon 1/56:44 pmITO - DCA
2 stops15h 36mDelta
Deal found 12/23$1,274
This United Airlines deal was found by Cheapflights users on 12/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:59 pmDCA - ITO
2 stops31h 00mUnited Airlines
Sun 1/44:40 pmITO - DCA
2 stops17h 19mUnited Airlines
Deal found 12/24$1,645

Find flight deals from Reagan-National to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 December 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$556
(Alaska Airlines)

Popular in

March

Cheapest in

November

Average price

$645
Provider with most accurate pricing for Washington, D.C. Reagan-National-Hilo Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Hilo Intl flights.
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From Washington, D.C. Reagan-National to Hilo Intl
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Highest demand for flights based on searches. 10% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 December 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Hilo that are best for you.

Fly from

Reagan-National

Fly to

Hilo

Route

Depart

Return

Price

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 1/26

5:01 pm-5:29 pm

2 stops29h 28m

Hilo Intl

Wed 1/28

6:44 pm-9:59 pm

2 stops22h 15m

$556

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 6/22

6:59 pm-3:41 pm

2 stops26h 42m

Hilo Intl

Mon 6/29

6:49 pm-8:02 pm

2 stops19h 13m

$877

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 6/23

11:30 am-7:00 am

3 stops25h 30m

Hilo Intl

Thu 7/2

7:52 pm-1:39 pm

2 stops35h 47m

$879

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 6/23

11:30 am-12:56 pm

3 stops31h 26m

Hilo Intl

Tue 6/30

12:14 pm-4:56 pm

2 stops22h 42m

$879

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 6/23

11:30 am-7:00 am

3 stops25h 30m

Hilo Intl

Mon 6/29

12:14 pm-5:48 pm

3 stops23h 34m

$884

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 6/22

11:30 am-7:00 am

3 stops25h 30m

Hilo Intl

Thu 7/2

9:00 pm-3:55 pm

2 stops36h 55m

$909

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sat 6/20

11:30 am-7:00 am

3 stops25h 30m

Hilo Intl

Tue 6/30

12:14 pm-4:56 pm

2 stops22h 42m

$909

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Tue 6/23

11:30 am-12:56 pm

3 stops31h 26m

Hilo Intl

Wed 7/1

7:52 pm-10:17 am

2 stops32h 25m

$910

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 6/22

11:30 am-7:00 am

3 stops25h 30m

Hilo Intl

Tue 6/30

12:14 pm-5:48 pm

3 stops23h 34m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National Airport-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Hilo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National 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. Reagan-National 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 Reagan-National to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Reagan-National 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. Reagan-National Airport to Hilo

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Hilo?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Hilo (average of $211). Flying from Washington, D.C. Reagan-National Airport to Hilo in July is currently the most expensive (average of $917). 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 Reagan-National 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. Reagan-National?

    For a flight from Washington, D.C. Reagan-National 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. Reagan-National per day. 0 airlines have flights to Hilo Intl from Washington, D.C. Reagan-National on a regular basis.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Hilo?

    Departing from Washington, D.C. Reagan-National Airport to Hilo will take you 25h 30m. There are 4740 mi between Washington, D.C. Reagan-National Airport and Hilo.

  • Can I find deals for flights from Reagan-National to Hilo that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Hilo?

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

  • Can I find deals for business class flights from Reagan-National to Hilo?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Hilo?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Hilo (average of $211). Flying from Washington, D.C. Reagan-National Airport to Hilo in July is currently the most expensive (average of $917). 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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