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Cheap flights from Washington, D.C. Dulles Intl Airport to Hilo from $307

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 1/23. 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
6:20 pm - 4:00 pmIAD-ITO
26h 40m2 stops
Alaska Airlines Logo
7:41 pm - 5:27 pmITO-IAD
16h 46m2 stops
$511Alaska Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4
Alaska Airlines Logo
6:04 pm - 2:32 pmIAD-ITO
25h 28m2 stops
Alaska Airlines Logo
9:55 am - 4:26 pmITO-IAD
25h 31m2 stops
$529Alaska Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
Alaska Airlines Logo
6:04 pm - 12:56 pmIAD-ITO
23h 52m2 stops
Alaska Airlines Logo
5:59 pm - 4:26 pmITO-IAD
17h 27m2 stops
$540Alaska Airlines
Find Deal
Tue, Jan 20 - Wed, Jan 21
Alaska Airlines Logo
6:04 pm - 12:56 pmIAD-ITO
23h 52m2 stops
Alaska Airlines Logo
9:55 am - 4:26 pmITO-IAD
25h 31m2 stops
$566Alaska Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
Alaska Airlines Logo
6:04 pm - 12:56 pmIAD-ITO
23h 52m2 stops
Alaska Airlines Logo
8:30 pm - 4:26 pmITO-IAD
14h 56m2 stops
$577Alaska Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 21
Alaska Airlines Logo
6:04 pm - 5:45 pmIAD-ITO
28h 41m2 stops
Alaska Airlines Logo
7:44 pm - 4:26 pmITO-IAD
15h 42m2 stops
$616Alaska Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
Alaska Airlines Logo
7:00 am - 6:20 pmIAD-ITO
17h 20m2 stops
Alaska Airlines Logo
6:49 pm - 5:23 pmITO-IAD
16h 34m2 stops
$734Alaska Airlines
Find Deal
Thu, Apr 16 - Mon, Apr 20
Alaska Airlines Logo
5:26 pm - 5:45 pmIAD-ITO
29h 19m2 stops
Alaska Airlines Logo
7:41 pm - 5:20 pmITO-IAD
16h 39m2 stops
$769Alaska Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 14
United Airlines Logo
8:25 am - 5:29 pmIAD-ITO
14h 04m1 stop
United Airlines Logo
7:42 am - 7:16 amITO-IAD
18h 34m1 stop
$805United Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4
United Airlines Logo
8:25 am - 7:59 pmIAD-ITO
16h 34m1 stop
United Airlines Logo
8:30 pm - 4:40 pmITO-IAD
15h 10m2 stops
$815United Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4

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
Mar 2
IAD6:20 pmWashington, D.C. Dulles Intl
26h 40m
2 stops
ITO4:00 pmHilo Intl
Mar 4
ITO7:41 pmHilo Intl
16h 46m
2 stops
IAD5:27 pmWashington, D.C. Dulles Intl
$511
Find similar
Alaska Airlines
Jan 12
IAD6:04 pmWashington, D.C. Dulles Intl
25h 28m
2 stops
ITO2:32 pmHilo Intl
Jan 16
ITO9:55 amHilo Intl
25h 31m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
$529
Find similar
Alaska Airlines
Jan 20
IAD6:04 pmWashington, D.C. Dulles Intl
23h 52m
2 stops
ITO12:56 pmHilo Intl
Jan 21
ITO5:59 pmHilo Intl
17h 27m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
$540
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
Mar 2
IAD8:25 amWashington, D.C. Dulles Intl
14h 04m
1 stop
ITO5:29 pmHilo Intl
Mar 4
ITO7:42 amHilo Intl
18h 34m
1 stop
IAD7:16 amWashington, D.C. Dulles Intl
$805
Find similar
United Airlines
Mar 2
IAD8:25 amWashington, D.C. Dulles Intl
16h 34m
1 stop
ITO7:59 pmHilo Intl
Mar 4
ITO8:30 pmHilo Intl
15h 10m
2 stops
IAD4:40 pmWashington, D.C. Dulles Intl
$815
Find similar
United Airlines
Jan 14
IAD8:15 amWashington, D.C. Dulles Intl
14h 14m
1 stop
ITO5:29 pmHilo Intl
Jan 21
ITO5:59 pmHilo Intl
32h 24m
1 stop
IAD7:23 amWashington, D.C. Dulles Intl
$826
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 2, 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 3/2

6:20 pm-4:00 pm

2 stops26h 40m

Hilo Intl

Wed 3/4

7:41 pm-5:27 pm

2 stops16h 46m

$511

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-2:32 pm

2 stops25h 28m

Hilo Intl

Fri 1/16

9:55 am-4:26 pm

2 stops25h 31m

$529

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-12:56 pm

2 stops23h 52m

Hilo Intl

Wed 1/21

5:59 pm-4:26 pm

2 stops17h 27m

$540

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-12:56 pm

2 stops23h 52m

Hilo Intl

Fri 1/16

9:55 am-4:26 pm

2 stops25h 31m

$566

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sun 1/18

6:04 pm-12:56 pm

2 stops23h 52m

Hilo Intl

Wed 1/21

8:30 pm-4:26 pm

2 stops14h 56m

$577

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-5:45 pm

2 stops28h 41m

Hilo Intl

Wed 1/21

7:44 pm-4:26 pm

2 stops15h 42m

$616

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-6:20 pm

2 stops17h 20m

Hilo Intl

Mon 4/20

6:49 pm-5:23 pm

2 stops16h 34m

$734

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Sat 1/31

5:26 pm-5:45 pm

2 stops29h 19m

Hilo Intl

Sat 2/14

7:41 pm-5:20 pm

2 stops16h 39m

$769

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-5:29 pm

1 stop14h 04m

Hilo Intl

Wed 3/4

7:42 am-7:16 am

1 stop18h 34m

$805

Washington, D.C.Hilo

IAD - ITO

IADITO

Washington, D.C. Dulles Intl

Mon 3/2

8:25 am-7:59 pm

1 stop16h 34m

Hilo Intl

Wed 3/4

8:30 pm-4:40 pm

2 stops15h 10m

$815

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 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

14h 04m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Hilo takes 14h 04m
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 04m.

  • 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
11,388 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.

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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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