Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $308

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 12/4. 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
7:34 am - 9:16 pmIAD-ITO
18h 42m2 stops
Alaska Airlines Logo
7:44 pm - 4:26 pmITO-IAD
15h 42m2 stops
$602Alaska Airlines
Find Deal
Thu, Dec 4 - Tue, Jan 13
Alaska Airlines Logo
6:30 pm - 10:36 pmIAD-ITO
33h 06m2 stops
Alaska Airlines Logo
6:44 pm - 4:26 pmITO-IAD
16h 42m2 stops
$606Alaska Airlines
Find Deal
Fri, Dec 5 - Tue, Jan 13
Alaska Airlines Logo
5:37 pm - 2:32 pmIAD-ITO
25h 55m2 stops
Alaska Airlines Logo
7:44 pm - 5:04 pmITO-IAD
16h 20m2 stops
$609Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Jan 14
Alaska Airlines Logo
5:37 pm - 3:17 pmIAD-ITO
26h 40m2 stops
Alaska Airlines Logo
6:44 pm - 5:04 pmITO-IAD
17h 20m2 stops
$621Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Jan 12
Alaska Airlines Logo
6:30 pm - 10:36 pmIAD-ITO
33h 06m2 stops
Alaska Airlines Logo
7:44 pm - 4:26 pmITO-IAD
15h 42m2 stops
$631Alaska Airlines
Find Deal
Fri, Dec 5 - Thu, Jan 15
United Airlines Logo
6:00 am - 7:13 pmIAD-ITO
18h 13m2 stops
United Airlines Logo
6:44 pm - 8:54 pmITO-IAD
21h 10m2 stops
$847United Airlines
Find Deal
Mon, Dec 1 - Mon, Jan 12
United Airlines Logo
9:05 am - 7:13 pmIAD-ITO
15h 08m1 stop
United Airlines Logo
6:44 pm - 9:19 pmITO-IAD
21h 35m2 stops
$848United Airlines
Find Deal
Sat, Nov 29 - Tue, Jan 13
Delta Logo
6:10 am - 7:14 pmIAD-ITO
18h 04m2 stops
Delta Logo
1:25 pm - 11:53 amITO-IAD
17h 28m2 stops
$921Delta
Find Deal
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
7:00 am - 9:58 pmIAD-ITO
19h 58m2 stops
Multiple Airlines Logo
7:45 pm - 5:25 pmITO-IAD
15h 40m2 stops
$1,157Multiple Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15
Hawaiian Airlines Logo
8:15 am - 7:14 pmIAD-ITO
15h 59m1 stop
Hawaiian Airlines Logo
1:25 pm - 7:21 amITO-IAD
11h 56m1 stop
$1,540Hawaiian Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
Delta
Mar 2
IAD6:10 amWashington, D.C. Dulles Intl
18h 04m
2 stops
ITO7:14 pmHilo Intl
Mar 5
ITO1:25 pmHilo Intl
17h 28m
2 stops
IAD11:53 amWashington, D.C. Dulles Intl
$921
Find similar
Delta
Nov 1
IAD6:00 amWashington, D.C. Dulles Intl
15h 51m
2 stops
ITO3:51 pmHilo Intl
Nov 10
ITO1:52 pmHilo Intl
15h 32m
2 stops
IAD10:24 amWashington, D.C. Dulles Intl
$948
Find similar
Delta
Nov 9
IAD7:01 amWashington, D.C. Dulles Intl
15h 59m
2 stops
ITO6:00 pmHilo Intl
Nov 11
ITO1:52 pmHilo Intl
16h 50m
2 stops
IAD11:42 amWashington, D.C. Dulles Intl
$1,008
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Hilo flight tickets
American Airlines
Apr 16
IAD6:45 amWashington, D.C. Dulles Intl
16h 16m
2 stops
ITO5:01 pmHilo Intl
Apr 20
ITO7:52 pmHilo Intl
17h 44m
3 stops
IAD7:36 pmWashington, D.C. Dulles Intl
$1,572
Find similar
American Airlines
Apr 16
IAD6:45 amWashington, D.C. Dulles Intl
16h 16m
2 stops
ITO5:01 pmHilo Intl
Apr 20
ITO7:52 pmHilo Intl
17h 44m
3 stops
IAD7:36 pmWashington, D.C. Dulles Intl
$1,573
Find similar
American Airlines
Dec 2
IAD6:04 amWashington, D.C. Dulles Intl
18h 01m
2 stops
ITO7:05 pmHilo Intl
Jan 14
ITO6:44 pmHilo Intl
16h 47m
3 stops
IAD4:31 pmWashington, D.C. Dulles Intl
$1,580
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 October 31, 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

Thu 12/4

7:34 am-9:16 pm

2 stops18h 42m

Hilo Intl

Tue 1/13

7:44 pm-4:26 pm

2 stops15h 42m

$602

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 12/5

6:30 pm-10:36 pm

2 stops33h 06m

Hilo Intl

Tue 1/13

6:44 pm-4:26 pm

2 stops16h 42m

$606

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 12/4

5:37 pm-2:32 pm

2 stops25h 55m

Hilo Intl

Wed 1/14

7:44 pm-5:04 pm

2 stops16h 20m

$609

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 12/4

5:37 pm-3:17 pm

2 stops26h 40m

Hilo Intl

Mon 1/12

6:44 pm-5:04 pm

2 stops17h 20m

$621

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 12/5

6:30 pm-10:36 pm

2 stops33h 06m

Hilo Intl

Thu 1/15

7:44 pm-4:26 pm

2 stops15h 42m

$631

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 12/1

6:00 am-7:13 pm

2 stops18h 13m

Hilo Intl

Mon 1/12

6:44 pm-8:54 pm

2 stops21h 10m

$847

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 11/29

9:05 am-7:13 pm

1 stop15h 08m

Hilo Intl

Tue 1/13

6:44 pm-9:19 pm

2 stops21h 35m

$848

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

6:10 am-7:14 pm

2 stops18h 04m

Hilo Intl

Thu 3/5

1:25 pm-11:53 am

2 stops17h 28m

$921

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 3/6

7:00 am-9:58 pm

2 stops19h 58m

Hilo Intl

Sun 3/15

7:45 pm-5:25 pm

2 stops15h 40m

$1,157

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Fri 3/6

8:15 am-7:14 pm

1 stop15h 59m

Hilo Intl

Sun 3/15

1:25 pm-7:21 am

1 stop11h 56m

$1,540

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.

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 15h 08m.

  • 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
11,217 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
Sun 11/30
Sun 12/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States