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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $317

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 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Alaska Airlines Logo
5:26 pm - 9:24 pmIAD-ITO
32h 58m2 stops
Alaska Airlines Logo
8:30 pm - 5:27 pmITO-IAD
15h 57m2 stops
$501Alaska Airlines
Find Deal
Tue, Feb 3 - Wed, Feb 18
Alaska Airlines Logo
6:20 pm - 5:41 pmIAD-ITO
28h 21m2 stops
Alaska Airlines Logo
6:00 am - 5:40 amITO-IAD
18h 40m2 stops
$520Alaska Airlines
Find Deal
Tue, Feb 17 - Fri, Feb 27
Alaska Airlines Logo
6:20 pm - 4:00 pmIAD-ITO
26h 40m2 stops
Alaska Airlines Logo
5:59 pm - 5:27 pmITO-IAD
17h 28m2 stops
$521Alaska Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
Alaska Airlines Logo
5:26 pm - 5:29 pmIAD-ITO
29h 03m2 stops
Alaska Airlines Logo
8:59 am - 5:04 pmITO-IAD
27h 05m2 stops
$616Alaska Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
Alaska Airlines Logo
7:00 am - 7:23 pmIAD-ITO
18h 23m2 stops
Alaska Airlines Logo
5:30 pm - 4:37 pmITO-IAD
17h 07m2 stops
$734Alaska Airlines
Find Deal
Thu, Apr 16 - Mon, Apr 20
United Airlines Logo
8:15 am - 7:04 pmIAD-ITO
15h 49m1 stop
United Airlines Logo
8:24 am - 9:25 pmITO-IAD
32h 01m2 stops
$798United Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
United Airlines Logo
8:15 am - 7:59 pmIAD-ITO
16h 44m1 stop
United Airlines Logo
8:24 am - 6:47 amITO-IAD
17h 23m2 stops
$809United Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
United Airlines Logo
8:25 am - 6:41 pmIAD-ITO
15h 16m1 stop
United Airlines Logo
6:00 am - 7:21 amITO-IAD
19h 21m1 stop
$812United Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
United Airlines Logo
8:25 am - 6:41 pmIAD-ITO
15h 16m1 stop
United Airlines Logo
8:40 am - 5:51 amITO-IAD
39h 11m2 stops
$818United Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
United Airlines Logo
8:15 am - 5:29 pmIAD-ITO
14h 14m1 stop
United Airlines Logo
7:44 pm - 6:29 pmITO-IAD
17h 45m2 stops
$842United Airlines
Find Deal
Sat, Jan 24 - Wed, Jan 28

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 3
IAD5:26 pmWashington, D.C. Dulles Intl
32h 58m
2 stops
ITO9:24 pmHilo Intl
Feb 18
ITO8:30 pmHilo Intl
15h 57m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$501
Find similar
Alaska Airlines
Feb 17
IAD6:20 pmWashington, D.C. Dulles Intl
28h 21m
2 stops
ITO5:41 pmHilo Intl
Feb 27
ITO6:00 amHilo Intl
18h 40m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
$520
Find similar
Alaska Airlines
Mar 1
IAD6:20 pmWashington, D.C. Dulles Intl
26h 40m
2 stops
ITO4:00 pmHilo Intl
Mar 10
ITO5:59 pmHilo Intl
17h 28m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$521
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
Jan 12
IAD8:15 amWashington, D.C. Dulles Intl
15h 49m
1 stop
ITO7:04 pmHilo Intl
Jan 16
ITO8:24 amHilo Intl
32h 01m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
$798
Find similar
United Airlines
Jan 12
IAD8:15 amWashington, D.C. Dulles Intl
16h 44m
1 stop
ITO7:59 pmHilo Intl
Jan 16
ITO8:24 amHilo Intl
17h 23m
2 stops
IAD6:47 amWashington, D.C. Dulles Intl
$809
Find similar
United Airlines
Mar 1
IAD8:25 amWashington, D.C. Dulles Intl
15h 16m
1 stop
ITO6:41 pmHilo Intl
Mar 10
ITO6:00 amHilo Intl
19h 21m
1 stop
IAD7:21 amWashington, D.C. Dulles Intl
$812
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 25, 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

Tue 2/3

5:26 pm-9:24 pm

2 stops32h 58m

Hilo Intl

Wed 2/18

8:30 pm-5:27 pm

2 stops15h 57m

$501

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 2/17

6:20 pm-5:41 pm

2 stops28h 21m

Hilo Intl

Fri 2/27

6:00 am-5:40 am

2 stops18h 40m

$520

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 3/1

6:20 pm-4:00 pm

2 stops26h 40m

Hilo Intl

Tue 3/10

5:59 pm-5:27 pm

2 stops17h 28m

$521

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/12

5:26 pm-5:29 pm

2 stops29h 03m

Hilo Intl

Fri 1/16

8:59 am-5:04 pm

2 stops27h 05m

$616

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-7:23 pm

2 stops18h 23m

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

Mon 1/12

8:15 am-7:04 pm

1 stop15h 49m

Hilo Intl

Fri 1/16

8:24 am-9:25 pm

2 stops32h 01m

$798

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/12

8:15 am-7:59 pm

1 stop16h 44m

Hilo Intl

Fri 1/16

8:24 am-6:47 am

2 stops17h 23m

$809

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 3/1

8:25 am-6:41 pm

1 stop15h 16m

Hilo Intl

Tue 3/10

6:00 am-7:21 am

1 stop19h 21m

$812

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 3/1

8:25 am-6:41 pm

1 stop15h 16m

Hilo Intl

Tue 3/10

8:40 am-5:51 am

2 stops39h 11m

$818

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 1/24

8:15 am-5:29 pm

1 stop14h 14m

Hilo Intl

Wed 1/28

7:44 pm-6:29 pm

2 stops17h 45m

$842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 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

Fastest flight time

15h 18m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 15h 18m
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 $591Free CancellationRating
8.0
11,352 reviews
Search Alaska Airlines flights

Traveling to a place near Hilo?

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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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