HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$416+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — WAS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hilo to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$976
(Alaska Airlines)

One-way from

$416
(United Airlines)
Provider with most accurate pricing for Hilo Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hilo Intl-Washington, D.C. (WAS) flights.
Search Deals
From Hilo Intl to Washington, D.C. (WAS)
Search Deals
One-way flight from Hilo Intl to Washington, D.C. (WAS)
Search Deals

Find 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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 6/28:40 amITO - IAD
2 stops28h 19mAlaska Airlines
Fri 6/66:30 amIAD - ITO
2 stops33h 23mAlaska Airlines
Deal found 4/28$976
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/306:00 amITO - BWI
2 stops20h 07mUnited Airlines
Wed 6/116:51 amBWI - ITO
2 stops31h 16mUnited Airlines
Deal found 4/29$991
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/38:40 amITO - DCA
3 stops49h 22mUnited Airlines
Fri 5/96:25 amDCA - ITO
2 stops33h 30mUnited Airlines
Deal found 4/28$1,113
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 7/137:49 amITO - IAD
2 stops24h 29mUnited Airlines
Sun 7/208:20 pmIAD - ITO
2 stops27h 18mUnited Airlines
Deal found 4/29$1,146
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/35:35 pmITO - DCA
2 stops21h 23mAlaska Airlines
Fri 5/98:59 amDCA - ITO
2 stops30h 01mAlaska Airlines
Deal found 4/28$1,149
This Delta deal was found by Cheapflights users on 4/28. 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 5/31:45 pmITO - IAD
2 stops15h 24mDelta
Fri 5/96:00 amIAD - ITO
2 stops19h 10mDelta
Deal found 4/28$1,264
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 5/33:05 pmITO - IAD
3 stops16h 37mMultiple Airlines
Fri 5/96:17 amIAD - ITO
2 stops17h 43mMultiple Airlines
Deal found 4/28$1,587
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/3010:25 amITO - BWI
3 stops17h 34mAmerican Airlines
Wed 6/116:44 amBWI - ITO
3 stops19h 24mAmerican Airlines
Deal found 4/29$1,788
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 7/131:25 pmITO - DCA
2 stops15h 40mMultiple Airlines
Sun 7/207:29 amDCA - ITO
2 stops16h 09mMultiple Airlines
Deal found 4/29$1,944
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/3011:35 amITO - BWI
2 stops21h 02mMultiple Airlines
Wed 6/116:44 amBWI - ITO
3 stops19h 24mMultiple Airlines
Deal found 4/29$2,149

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 April 29, 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

Mon 6/2

8:40 am-6:59 pm

2 stops28h 19m

Washington, D.C. Dulles Intl

Fri 6/6

6:30 am-9:53 am

2 stops33h 23m

$976

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Fri 5/30

6:00 am-8:07 am

2 stops20h 07m

Baltimore/Washington

Wed 6/11

6:51 am-8:07 am

2 stops31h 16m

$991

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Sun 7/13

7:49 am-2:18 pm

2 stops24h 29m

Washington, D.C. Dulles Intl

Sun 7/20

8:20 pm-5:38 pm

2 stops27h 18m

$1,146

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Fri 5/30

10:25 am-9:59 am

3 stops17h 34m

Baltimore/Washington

Wed 6/11

6:44 am-8:08 pm

3 stops19h 24m

$1,788

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 6/2

7:55 pm-7:32 pm

3 stops17h 37m

Washington, D.C. Dulles Intl

Fri 6/6

6:27 am-5:57 pm

2 stops17h 30m

$1,792

HiloWashington, D.C.

ITO - DCA

ITODCA

Hilo Intl

Sun 7/13

1:25 pm-11:05 am

2 stops15h 40m

Washington, D.C. Reagan-National

Sun 7/20

7:29 am-5:38 pm

2 stops16h 09m

$1,944

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Fri 5/30

11:35 am-2:37 pm

2 stops21h 02m

Baltimore/Washington

Wed 6/11

6:44 am-8:08 pm

3 stops19h 24m

$2,149

HiloWashington, D.C.

ITO - IAD

ITOIAD

Hilo Intl

Mon 5/19

7:55 pm-4:30 pm

2 stops14h 35m

$416

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Mon 5/19

7:55 pm-5:59 pm

2 stops40h 04m

$516

HiloBaltimore

ITO - BWI

ITOBWI

Hilo Intl

Mon 5/19

6:30 pm-6:28 pm

3 stops17h 58m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 11 results
1
2
  • 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 April 29, 2025.

It’s typically best to fly out from Hilo to Washington, D.C. in the morning. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Our cheapest airline available from Hilo to Washington, D.C. is Alaska Airlines. Our recent data shows that you can find tickets from as low as $976 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $991 and $1,788 round-trip.

  • 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 - Washington, D.C. Dulles Intl. You may also consider Hilo Intl - Washington, D.C. Reagan-National or Hilo Intl - Baltimore/Washington.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Hilo to Washington, D.C. (average of $309). Flying from Hilo to Washington, D.C. in June is currently the most expensive (average of $373). 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

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.