HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hilo

$207+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ITO
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Hilo 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 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 25, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am
IAD
-
ITO
2 stops15h 27m
Multiple Airlines
Tue 12/88:45 pm
ITO
-
IAD
2 stops14h 41m
Multiple Airlines
Deal found 7/23$604
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:05 am
BWI
-
ITO
1 stop12h 15m
Southwest
Fri 11/69:25 pm
ITO
-
BWI
2 stops15h 05m
Southwest
Deal found 7/24$616
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/307:15 am
DCA
-
ITO
2 stops15h 43m
American Airlines
Wed 9/306:49 pm
ITO
-
DCA
2 stops15h 20m
American Airlines
Deal found 7/25$651
This Priceline deal was found by Cheapflights users on 7/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:57 pm
IAD
-
ITO
2 stops25h 17m
Multiple Airlines
Tue 9/227:44 pm
ITO
-
IAD
2 stops16h 30m
Multiple Airlines
Deal found 7/21$652
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 8/307:00 am
IAD
-
ITO
2 stops15h 12m
Multiple Airlines
Wed 9/307:44 pm
ITO
-
IAD
2 stops15h 10m
Multiple Airlines
Deal found 7/22$654
This Priceline deal was found by Cheapflights users on 7/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am
DCA
-
ITO
2 stops19h 54m
Multiple Airlines
Tue 9/227:44 pm
ITO
-
DCA
2 stops20h 15m
Multiple Airlines
Deal found 7/21$655
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 12/79:30 am
DCA
-
ITO
2 stops37h 47m
Multiple Airlines
Tue 12/88:45 pm
ITO
-
DCA
2 stops18h 15m
Multiple Airlines
Deal found 7/21$696
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:00 am
DCA
-
ITO
2 stops16h 59m
American Airlines
Fri 11/64:49 pm
ITO
-
DCA
2 stops13h 10m
American Airlines
Deal found 7/24$701
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:03 am
IAD
-
ITO
2 stops21h 56m
Multiple Airlines
Tue 8/257:44 pm
ITO
-
IAD
2 stops27h 56m
Multiple Airlines
Deal found 7/21$704
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/194:43 pm
BWI
-
ITO
2 stops27h 42m
Multiple Airlines
Tue 9/225:58 pm
ITO
-
BWI
2 stops15h 42m
Multiple Airlines
Deal found 7/21$709
This Expedia deal was found by Cheapflights users on 7/22. 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.
Wed 9/167:50 am
BWI
-
ITO
2 stops16h 27m
Multiple Airlines
Tue 9/228:28 am
ITO
-
BWI
2 stops16h 02m
Multiple Airlines
Deal found 7/22$721
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 8/308:00 am
DCA
-
ITO
2 stops19h 54m
Multiple Airlines
Wed 9/309:26 am
ITO
-
DCA
2 stops28h 34m
Multiple Airlines
Deal found 7/22$725

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Alaska Airlines)

One-way from

$207
(Trip.com)
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
One-way flight from Washington, D.C. (WAS) to Hilo Intl
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 July 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 9/16

5:57 pm-1:14 pm

2 stops25h 17m

Hilo Intl

Tue 9/22

7:44 pm-6:14 pm

2 stops16h 30m

$652

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 12/7

7:00 am-5:27 pm

2 stops15h 27m

Hilo Intl

Tue 12/8

8:45 pm-4:26 pm

2 stops14h 41m

$654

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 8/30

7:00 am-4:12 pm

2 stops15h 12m

Hilo Intl

Wed 9/30

7:44 pm-4:54 pm

2 stops15h 10m

$654

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sun 11/1

5:00 am-4:59 pm

2 stops16h 59m

Hilo Intl

Fri 11/6

4:49 pm-10:59 am

2 stops13h 10m

$701

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Mon 12/7

9:30 am-6:17 pm

2 stops37h 47m

Hilo Intl

Tue 12/8

8:45 pm-8:00 pm

2 stops18h 15m

$706

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sat 9/19

4:43 pm-2:25 pm

2 stops27h 42m

Hilo Intl

Tue 9/22

5:58 pm-3:40 pm

2 stops15h 42m

$709

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Thu 10/1

10:00 pm-12:35 pm

2 stops20h 35m

Hilo Intl

Thu 10/8

8:45 pm-7:50 pm

1 stop17h 05m

$727

Washington, D.C.Hilo

DCA - ITO

DCAITO

Washington, D.C. Reagan-National

Sun 8/30

8:00 am-9:54 pm

2 stops19h 54m

Hilo Intl

Wed 9/30

9:26 am-8:00 pm

2 stops28h 34m

$735

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Sat 8/22

7:15 pm-9:54 pm

2 stops32h 39m

Hilo Intl

Tue 8/25

7:44 pm-6:04 pm

2 stops16h 20m

$754

BaltimoreHilo

BWI - ITO

BWIITO

Baltimore/Washington

Wed 9/9

4:43 pm-4:12 pm

2 stops29h 29m

Hilo Intl

Tue 9/15

8:28 am-6:30 am

2 stops16h 02m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 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.-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

No data available for this route at this time. Please check back soon.

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 0 different airlines.

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

    For as low as $701, American Airlines can have you in Hilo from Washington, D.C. in 16h 59m. Washington, D.C. 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.

  • 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.

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.

Alternative routes for Washington, D.C. to Hilo

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Honolulu flights
Reagan-National to Honolulu flights
Dulles Intl to Kailua-Kona flights
Reagan-National to Lihue flights
Dulles Intl to Hilo flights

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.