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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $339

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 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
6:04 pm - 5:29 pm
IAD
-
ITO
28h 25m2 stops
Multiple Airlines Logo
8:30 pm - 5:04 pm
ITO
-
IAD
15h 34m2 stops
$505Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
5:26 pm - 9:24 pm
IAD
-
ITO
32h 58m2 stops
Multiple Airlines Logo
6:44 pm - 5:04 pm
ITO
-
IAD
17h 20m2 stops
$535Multiple Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
7:05 am - 10:35 pm
IAD
-
ITO
20h 30m2 stops
Multiple Airlines Logo
5:59 pm - 4:27 pm
ITO
-
IAD
17h 28m2 stops
$717Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
7:00 am - 5:41 pm
IAD
-
ITO
16h 41m2 stops
Multiple Airlines Logo
5:57 pm - 5:22 pm
ITO
-
IAD
17h 25m2 stops
$734Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
8:15 am - 5:29 pm
IAD
-
ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 7:23 am
ITO
-
IAD
30h 39m1 stop
$802United Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
8:15 am - 7:59 pm
IAD
-
ITO
16h 44m1 stop
United Airlines Logo
3:02 pm - 1:17 pm
ITO
-
IAD
17h 15m2 stops
$811United Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
8:15 am - 5:29 pm
IAD
-
ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 7:23 am
ITO
-
IAD
30h 39m1 stop
$822United Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
8:15 am - 7:04 pm
IAD
-
ITO
15h 49m1 stop
United Airlines Logo
3:02 pm - 1:17 pm
ITO
-
IAD
17h 15m2 stops
$831United Airlines
Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
6:20 pm - 5:41 pm
IAD
-
ITO
28h 21m2 stops
Multiple Airlines Logo
6:00 am - 5:40 am
ITO
-
IAD
18h 40m2 stops
$842Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
8:25 am - 6:34 pm
IAD
-
ITO
15h 09m1 stop
United Airlines Logo
6:00 am - 7:16 am
ITO
-
IAD
20h 16m1 stop
$851United Airlines
Wed, Feb 25 - Sun, Mar 1

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
Apr 11
IAD6:00 amWashington, D.C. Dulles Intl
19h 13m
2 stops
ITO7:13 pmHilo Intl
Apr 18
ITO1:46 pmHilo Intl
15h 46m
2 stops
IAD11:32 amWashington, D.C. Dulles Intl
$1,094
Find similar
Delta
Dec 25
IAD7:05 amWashington, D.C. Dulles Intl
15h 46m
2 stops
ITO5:51 pmHilo Intl
Dec 28
ITO2:59 pmHilo Intl
16h 14m
2 stops
IAD12:13 pmWashington, D.C. Dulles Intl
$1,444
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
Feb 9
IAD6:00 amWashington, D.C. Dulles Intl
18h 04m
2 stops
ITO7:04 pmHilo Intl
Feb 16
ITO4:39 pmHilo Intl
17h 04m
3 stops
IAD2:43 pmWashington, D.C. Dulles Intl
$1,572
Find similar
American Airlines
Apr 20
IAD6:45 amWashington, D.C. Dulles Intl
16h 42m
2 stops
ITO5:27 pmHilo Intl
Apr 27
ITO4:45 pmHilo Intl
17h 23m
3 stops
IAD4:08 pmWashington, D.C. Dulles Intl
$1,582
Find similar
American Airlines
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
18h 14m
2 stops
ITO7:14 pmHilo Intl
Jan 13
ITO6:44 pmHilo Intl
17h 32m
3 stops
IAD5:16 pmWashington, D.C. Dulles Intl
$1,634
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 December 23, 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

Mon 1/26

6:04 pm-5:29 pm

2 stops28h 25m

Hilo Intl

Wed 1/28

8:30 pm-5:04 pm

2 stops15h 34m

$505

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 1/28

6:44 pm-5:04 pm

2 stops17h 20m

$535

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 2/28

7:05 am-10:35 pm

2 stops20h 30m

Hilo Intl

Sat 3/7

5:59 pm-4:27 pm

2 stops17h 28m

$717

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-5:41 pm

2 stops16h 41m

Hilo Intl

Mon 4/20

5:57 pm-5:22 pm

2 stops17h 25m

$734

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 1/28

7:44 pm-7:23 am

1 stop30h 39m

$802

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-7:59 pm

1 stop16h 44m

Hilo Intl

Wed 1/28

3:02 pm-1:17 pm

2 stops17h 15m

$811

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 1/28

7:44 pm-7:23 am

1 stop30h 39m

$822

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/26

8:15 am-7:04 pm

1 stop15h 49m

Hilo Intl

Wed 1/28

3:02 pm-1:17 pm

2 stops17h 15m

$831

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/25

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Sun 3/1

6:00 am-5:40 am

2 stops18h 40m

$842

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Wed 2/25

8:25 am-6:34 pm

1 stop15h 09m

Hilo Intl

Sun 3/1

6:00 am-7:16 am

1 stop20h 16m

$851

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 36% 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

Fastest flight time

15h 23m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 15h 23m
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 23m.

  • 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 $591Free CancellationRating
8.0
11,512 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

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

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