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$465+ Cheap flights from Washington, D.C. (WAS) 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ITO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Hilo

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

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:05 amBWI - ITO
2 stops17h 05mSouthwest
Thu 12/256:00 amITO - BWI
2 stops18h 35mSouthwest
Deal found 12/17$1,259
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:15 pmBWI - ITO
2 stops23h 10mSouthwest
Wed 12/316:55 pmITO - BWI
2 stops14h 25mSouthwest
Deal found 12/16$1,264
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.
Fri 12/268:00 amDCA - ITO
2 stops17h 29mMultiple Airlines
Wed 12/317:44 pmITO - DCA
2 stops15h 21mMultiple Airlines
Deal found 12/16$1,459
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:33 amIAD - ITO
2 stops16h 41mMultiple Airlines
Thu 12/256:44 pmITO - IAD
2 stops17h 37mMultiple Airlines
Deal found 12/17$1,459
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.
Sun 12/217:20 amDCA - ITO
2 stops18h 09mDelta
Thu 12/253:44 pmITO - DCA
2 stops13h 56mDelta
Deal found 12/17$1,471
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/316:15 amBWI - ITO
2 stops16h 36mUnited Airlines
Sun 1/44:40 pmITO - BWI
3 stops31h 34mUnited Airlines
Deal found 12/15$1,560
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:43 pmIAD - ITO
2 stops23h 31mMultiple Airlines
Wed 12/317:44 pmITO - IAD
2 stops16h 37mMultiple Airlines
Deal found 12/16$1,562
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.
Mon 12/228:00 amDCA - ITO
2 stops18h 15mMultiple Airlines
Sat 12/279:00 pmITO - DCA
2 stops15h 57mMultiple Airlines
Deal found 12/17$1,571
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:29 pmIAD - ITO
2 stops28h 22mMultiple Airlines
Sun 12/287:42 amITO - IAD
2 stops17h 31mMultiple Airlines
Deal found 12/16$1,700
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.
Fri 12/268:15 amIAD - ITO
1 stop15h 59mUnited Airlines
Wed 12/317:44 pmITO - IAD
1 stop30h 39mUnited Airlines
Deal found 12/16$3,591
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.
Sun 12/2110:10 pmIAD - ITO
2 stops26h 49mUnited Airlines
Thu 12/254:40 pmITO - IAD
1 stop33h 43mUnited Airlines
Deal found 12/17$5,258
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.
Sat 12/208:15 amIAD - ITO
1 stop15h 59mUnited Airlines
Sun 12/286:44 pmITO - IAD
1 stop31h 39mUnited Airlines
Deal found 12/16$5,423

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

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$499
(Alaska Airlines)

Popular in

March

Cheapest in

November

Average price

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

Cheapflights Fare Finder

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

Fly from

Washington, D.C.

Fly to

Hilo

Route

Depart

Return

Price

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sun 1/25

8:59 am-10:34 pm

2 stops18h 35m

Hilo Intl

Tue 2/3

7:44 pm-4:09 pm

2 stops15h 25m

$474

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-4:00 pm

2 stops26h 33m

Hilo Intl

Wed 3/4

6:44 pm-5:27 pm

2 stops17h 43m

$510

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Mon 2/2

7:14 pm-7:04 pm

2 stops28h 50m

Hilo Intl

Wed 2/4

7:44 pm-6:14 pm

2 stops17h 30m

$518

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 3/2

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Wed 3/4

8:30 pm-5:59 pm

2 stops16h 29m

$519

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Mon 3/2

6:46 pm-5:29 pm

2 stops27h 43m

Hilo Intl

Wed 3/4

7:41 pm-5:46 pm

2 stops17h 05m

$536

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 1/29

5:26 pm-8:29 pm

2 stops32h 03m

Hilo Intl

Mon 2/2

8:30 pm-5:04 pm

2 stops15h 34m

$543

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Thu 2/12

8:59 am-9:24 pm

2 stops17h 25m

Hilo Intl

Wed 2/18

6:44 pm-5:59 pm

2 stops18h 15m

$666

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sun 1/25

6:10 am-9:40 pm

2 stops20h 30m

Hilo Intl

Tue 2/3

11:15 am-5:30 am

2 stops13h 15m

$704

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 1/29

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Mon 2/2

7:44 pm-5:24 am

2 stops28h 40m

$810

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-5:29 pm

1 stop14h 04m

Hilo Intl

Wed 3/4

7:41 pm-8:47 pm

2 stops20h 06m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 31 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Hilo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Hilo (average of $211). Flying from Washington, D.C. to Hilo in March is currently the most expensive (average of $479). 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.

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hilo. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Hilo, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

    If you book a flight to Hilo from Washington, D.C., you will be flying to Hilo Intl, which is the city’s only airport. Hilo Intl (ITO) is located 3.0 mi from the center of Hilo. There are 0 flights from Washington, D.C. to Hilo Intl per day from 3 different airlines.

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

    For as low as $810, Southwest can have you in Hilo from Washington, D.C. in 14h 14m. Washington, D.C. and Hilo are separated by a distance of 4717 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Washington, D.C. to Hilo round-trip?

    Currently priced at $591, Alaska Airlines will fly you from Washington, D.C. to Hilo and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Alaska Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Hilo (average of $211). Flying from Washington, D.C. to Hilo in March is currently the most expensive (average of $479). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Washington, D.C. to Hilo

Discover the top 3 airlines that operate flights from Washington, D.C. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$587Average$838FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$741Average$1,146FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$848Average$1,143FlexibilityNo cancel feeOn-time63%

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