Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Hilo departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Hilo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:26 pm - 4:13 pmIAD-ITO
27h 47m2 stops
Alaska Airlines Logo
7:44 pm - 5:27 pmITO-IAD
16h 43m2 stops
$510Alaska Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 11
Alaska Airlines Logo
6:27 pm - 4:00 pmIAD-ITO
27h 33m2 stops
Alaska Airlines Logo
7:41 pm - 5:27 pmITO-IAD
15h 46m2 stops
$521Alaska Airlines
Find Deal
Mon, Mar 9 - Tue, Mar 10
Alaska Airlines Logo
6:20 pm - 4:00 pmIAD-ITO
27h 40m2 stops
Alaska Airlines Logo
7:41 pm - 5:27 pmITO-IAD
15h 46m2 stops
$524Alaska Airlines
Find Deal
Mon, Mar 9 - Tue, Mar 10
Alaska Airlines Logo
7:34 am - 5:39 pmIAD-ITO
39h 05m2 stops
Alaska Airlines Logo
9:00 pm - 5:30 pmITO-IAD
15h 30m2 stops
$731Alaska Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Alaska Airlines Logo
7:00 am - 5:01 pmIAD-ITO
16h 01m2 stops
Alaska Airlines Logo
5:30 pm - 4:37 pmITO-IAD
17h 07m2 stops
$734Alaska Airlines
Find Deal
Thu, Apr 16 - Mon, Apr 20
Alaska Airlines Logo
7:00 am - 6:18 pmIAD-ITO
17h 18m2 stops
Alaska Airlines Logo
6:49 pm - 4:37 pmITO-IAD
15h 48m2 stops
$752Alaska Airlines
Find Deal
Wed, Mar 18 - Sun, Mar 29
United Airlines Logo
8:15 am - 5:29 pmIAD-ITO
14h 14m1 stop
United Airlines Logo
5:59 pm - 7:16 amITO-IAD
32h 17m1 stop
$795United Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
8:15 am - 5:29 pmIAD-ITO
14h 14m1 stop
United Airlines Logo
6:44 pm - 5:26 amITO-IAD
29h 42m2 stops
$799United Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
6:15 am - 5:41 pmIAD-ITO
17h 26m2 stops
United Airlines Logo
7:42 am - 7:21 amITO-IAD
17h 39m1 stop
$805United Airlines
Find Deal
Mon, Mar 9 - Tue, Mar 10
United Airlines Logo
8:15 am - 5:29 pmIAD-ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 4:22 pmITO-IAD
15h 38m2 stops
$864United Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 7

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Hilo

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
Alaska Airlines
Feb 4
IAD5:26 pmWashington, D.C. Dulles Intl
27h 47m
2 stops
ITO4:13 pmHilo Intl
Feb 11
ITO7:44 pmHilo Intl
16h 43m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$510
Find similar
Alaska Airlines
Mar 9
IAD6:27 pmWashington, D.C. Dulles Intl
27h 33m
2 stops
ITO4:00 pmHilo Intl
Mar 10
ITO7:41 pmHilo Intl
15h 46m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$521
Find similar
Alaska Airlines
Mar 9
IAD6:20 pmWashington, D.C. Dulles Intl
27h 40m
2 stops
ITO4:00 pmHilo Intl
Mar 10
ITO7:41 pmHilo Intl
15h 46m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$524
Find similar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Hilo

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
United Airlines
Feb 4
IAD8:15 amWashington, D.C. Dulles Intl
14h 14m
1 stop
ITO5:29 pmHilo Intl
Feb 11
ITO5:59 pmHilo Intl
32h 17m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
$795
Find similar
United Airlines
Feb 4
IAD8:15 amWashington, D.C. Dulles Intl
14h 14m
1 stop
ITO5:29 pmHilo Intl
Feb 11
ITO6:44 pmHilo Intl
29h 42m
2 stops
IAD5:26 amWashington, D.C. Dulles Intl
$799
Find similar
United Airlines
Mar 9
IAD6:15 amWashington, D.C. Dulles Intl
17h 26m
2 stops
ITO5:41 pmHilo Intl
Mar 10
ITO7:42 amHilo Intl
17h 39m
1 stop
IAD7:21 amWashington, D.C. Dulles Intl
$805
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated November 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hilo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

5:26 pm-4:13 pm

2 stops27h 47m

Hilo Intl

Wed 2/11

7:44 pm-5:27 pm

2 stops16h 43m

$510

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/9

6:27 pm-4:00 pm

2 stops27h 33m

Hilo Intl

Tue 3/10

7:41 pm-5:27 pm

2 stops15h 46m

$521

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/9

6:20 pm-4:00 pm

2 stops27h 40m

Hilo Intl

Tue 3/10

7:41 pm-5:27 pm

2 stops15h 46m

$524

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 12/8

7:34 am-5:39 pm

2 stops39h 05m

Hilo Intl

Sat 12/13

9:00 pm-5:30 pm

2 stops15h 30m

$731

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-5:01 pm

2 stops16h 01m

Hilo Intl

Mon 4/20

5:30 pm-4:37 pm

2 stops17h 07m

$734

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-6:18 pm

2 stops17h 18m

Hilo Intl

Sun 3/29

6:49 pm-4:37 pm

2 stops15h 48m

$752

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 2/11

5:59 pm-7:16 am

1 stop32h 17m

$795

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/4

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 2/11

6:44 pm-5:26 am

2 stops29h 42m

$799

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/9

6:15 am-5:41 pm

2 stops17h 26m

Hilo Intl

Tue 3/10

7:42 am-7:21 am

1 stop17h 39m

$805

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 1/31

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Sat 2/7

7:44 pm-4:22 pm

2 stops15h 38m

$864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Hilo from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Hilo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Hilo?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Hilo is on a Friday. Travelers who choose to depart for Hilo on a Friday will often find tickets for as low as $848. Flights from Washington, D.C. Dulles Intl Airport to Hilo on a Tuesday will generally be more expensive and average around $1,274. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Hilo?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Hilo flights are usually those with departure times in the evening. Our users have found flights to Hilo in the evening for as low as $914. In contrast, the most expensive time of day to depart to Hilo is in the morning when prices are around $977.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Hilo flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Hilo flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Hilo

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Hilo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Hilo (IAD to ITO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Hilo

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Hilo. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Hilo.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Hilo Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Hilo Intl is about 4719.4 mi. A reasonable flight in good conditions will take 14h 14m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Hilo Intl Airport.

  • What documentation or ID do you need to fly to Hilo Intl Airport?

    The travel and health documents you'll need for your trip to Hilo Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hilo Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Hilo?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Hilo

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Hilo with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $641Free CancellationRating
8.0
11,301 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

Book flights to Hilo if you plan to visit one of these locations
Mountain View

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Hilo?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Hilo for you.

Can I find flights from Washington, D.C. to Hilo with flexible booking policies on momondo?

Yes. All flights to Hilo from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Hilo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Hilo.

I’m not ready to book a flight from Washington, D.C. to Hilo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Hilo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Hilo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/16
Tue 12/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States