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Hilo

$282+ Cheap flights from Washington, D.C. (WAS) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ITO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap 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 July 31, 2025.

Round-trip from

$554
(Alaska Airlines)

One-way from

$282
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$972
From Washington, D.C. (WAS) to Hilo Intl
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One-way flight from Washington, D.C. (WAS) to Hilo Intl
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Highest demand for flights based on searches. 10% potential increase in price ($102 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 July 2025
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Find 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 July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/98:00 amDCA - ITO
2 stops15h 39mAlaska Airlines
Fri 9/1912:20 pmITO - DCA
2 stops26h 39mAlaska Airlines
Deal found 7/31$554
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 10/307:43 amIAD - ITO
2 stops20h 41mAlaska Airlines
Mon 11/37:43 pmITO - IAD
2 stops29h 40mAlaska Airlines
Deal found 7/29$557
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/97:00 amBWI - ITO
2 stops16h 39mAlaska Airlines
Fri 9/197:47 amITO - BWI
2 stops15h 52mAlaska Airlines
Deal found 7/31$588
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/117:00 amBWI - ITO
2 stops31h 07mUnited Airlines
Thu 9/188:36 amITO - BWI
3 stops19h 19mUnited Airlines
Deal found 7/29$891
This Delta deal was found by Cheapflights users on 7/30. 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.
Thu 9/117:35 amIAD - ITO
2 stops20h 42mDelta
Thu 9/1812:20 pmITO - IAD
2 stops14h 49mDelta
Deal found 7/30$911
This Delta deal was found by Cheapflights users on 7/31. 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 8/66:05 amDCA - ITO
2 stops16h 49mDelta
Wed 8/201:32 pmITO - DCA
2 stops20h 38mDelta
Deal found 7/31$1,032
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/1710:16 pmIAD - ITO
2 stops26h 13mUnited Airlines
Sun 8/247:47 amITO - IAD
2 stops23h 39mUnited Airlines
Deal found 7/30$1,048
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/97:00 amDCA - ITO
2 stops16h 39mUnited Airlines
Fri 9/198:36 amITO - DCA
3 stops20h 22mUnited Airlines
Deal found 7/31$1,115
This Southwest deal was found by Cheapflights users on 7/31. 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.
Wed 8/66:05 amBWI - ITO
2 stops18h 05mSouthwest
Wed 8/206:00 amITO - BWI
2 stops17h 00mSouthwest
Deal found 7/31$1,159
This Delta deal was found by Cheapflights users on 7/29. 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.
Sat 8/237:00 amBWI - ITO
2 stops15h 56mDelta
Sat 8/309:43 amITO - BWI
2 stops19h 55mDelta
Deal found 7/29$1,177
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/186:27 amIAD - ITO
2 stops20h 02mMultiple Airlines
Thu 8/281:32 pmITO - IAD
3 stops15h 29mMultiple Airlines
Deal found 7/29$1,356
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 9/116:41 amBWI - ITO
3 stops19h 49mAmerican Airlines
Thu 9/1810:59 amITO - BWI
3 stops17h 14mAmerican Airlines
Deal found 7/29$1,368

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 July 31, 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

Tue 9/9

8:00 am-5:39 pm

2 stops15h 39m

Hilo Intl

Fri 9/19

12:20 pm-8:59 pm

2 stops26h 39m

$554

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 9/9

9:00 am-5:39 pm

2 stops38h 39m

Hilo Intl

Fri 9/19

9:00 pm-12:23 am

2 stops21h 23m

$569

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Tue 9/9

7:00 am-5:39 pm

2 stops16h 39m

Hilo Intl

Fri 9/19

7:47 am-5:39 am

2 stops15h 52m

$588

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Thu 9/11

7:00 am-8:07 am

2 stops31h 07m

Hilo Intl

Thu 9/18

8:36 am-9:55 am

3 stops19h 19m

$891

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sat 1/17

6:00 pm-3:18 pm

2 stops26h 18m

Hilo Intl

Sun 1/25

7:50 pm-3:55 pm

3 stops39h 05m

$904

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 9/11

7:35 am-10:17 pm

2 stops20h 42m

Hilo Intl

Thu 9/18

12:20 pm-9:09 am

2 stops14h 49m

$911

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sun 1/18

6:00 am-6:18 pm

2 stops17h 18m

Hilo Intl

Sat 1/24

6:49 pm-3:32 pm

2 stops15h 43m

$968

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 8/17

10:16 pm-6:29 pm

2 stops26h 13m

Hilo Intl

Sun 8/24

7:47 am-1:26 pm

2 stops23h 39m

$1,048

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Wed 8/6

6:05 am-6:10 pm

2 stops18h 05m

Hilo Intl

Wed 8/20

6:00 am-5:00 am

2 stops17h 00m

$1,159

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sat 8/23

7:00 am-4:56 pm

2 stops15h 56m

Hilo Intl

Sat 8/30

9:43 am-11:38 am

2 stops19h 55m

$1,177

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 20 results
1
2

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, March is the cheapest month in which you can book a flight from Washington, D.C. to Hilo (average of $330). Flying from Washington, D.C. to Hilo in December is currently the most expensive (average of $717). 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 July 31, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Hilo, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 2 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to Hilo round-trip?

    Currently priced at $554, 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. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $891 and $911, respectively. Alaska Airlines is priced at 39% 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 Baltimore/Washington - Hilo Intl. You may also consider Washington, D.C. Dulles Intl - 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Hilo (average of $330). Flying from Washington, D.C. to Hilo in December is currently the most expensive (average of $717). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Washington, D.C. to Hilo

Discover the top 2 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$591Average$1,030FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$785Average$1,146FlexibilityNo cancel feeOn-time69%

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